7750 SR, 7450 ESS, 7950 XRS, and VSR acronyms
Numbers
Acronym | Definition |
---|---|
1DM |
One-way Delay Measurement |
6PE |
IPv6 Provider Edge router. An MPLS IPv4 core network that supports IPv6 domains which communicate over an IES service. |
6VPE |
IPv6 Provider Edge router with IP-VPN Services. An MPLS IPv4 core network that supports the communication using IPv6 VPRN services. |
2G |
Second-generation wireless telephone technology |
3DES |
Triple DES (data encryption standard) |
3G |
Third-generation mobile telephone technology |
4G |
Fourth-generation mobile telephone technology |
5G |
Fifth-generation mobile telephone technology |
NSP NFM-P |
Network Services Platform Network Functions Manager - Packet |
1830 PSS |
1830 Photonic Service Switch |
1850 TSS-5 |
1850 Transport Service Switch |
7705 SAR |
7705 Service Aggregation Router |
7210 SAS |
7210 Service Access Switch |
7450 ESS |
7450 Ethernet Service Switch |
7705 SAR |
7705 Service Aggregation Router |
7750 SR |
7750 Service Router |
7950 XRS |
7950 eXtensible Routing System |
A
Acronym | Definition |
---|---|
AA |
Application Assurance |
AA-ISA |
Application Aware Integrated Service Adapter |
AAA |
AA-Answer |
AAR |
AA-Request |
AARP |
AA Redundancy Protocol |
ABM |
Asynchronous Balanced Mode |
ABR |
Area Border Router Available Bit Rate |
AC |
Alternating Current Attachment Circuit |
ACA |
Accounting-Answer |
ACCM |
Async-Control-Character-Map |
ACFC |
Address and Control Field Compression |
ACH |
Associated Channel |
ACK |
Acknowledgment |
ACL |
Access Control List, also called filter policy |
ACPI |
Advanced Configuration and Power Interface |
ACR |
Accounting-Request Adaptive Clock Recovery |
AD |
Autodiscovery |
ADC |
Application Detection and Control |
ADI |
Ad Insertion |
ADI-LZ |
Ad Insertion Local and Zoned |
ADM |
Add/Drop Multiplexer |
ADP |
Active Diameter Proxy Automatic Discovery Protocol |
AF |
Assured Forwarding |
AFI |
Address Family Identifier Authority and Format Identifier |
AFTR |
Address Family Transition Router |
AGI |
Address Group Identifier |
AG |
Application Group |
AH |
Authentication Header |
AIGP |
Accumulated IGP |
AII |
Attachment Individual Identifier |
AIS |
Alarm Indication Signal |
ALE |
Access-Loop-Encapsulation |
ALG |
Application Layer Gateway |
ALMP |
Auto-Learn-Mac-Protect |
ALTO |
Application Layer Traffic Optimization |
AMBR |
Aggregate Maximum Bit Rate |
AMI |
Alternate Mark Inversion |
AMO |
Any Mode of Operation |
AN |
Association Number |
ANSI |
American National Standards Institute |
ANCP |
Access Node Control Protocol |
ANL |
Access Network Location |
AP |
Access Point |
API |
Application Programming Interface |
APIC |
Advanced Programmable Interrupt Controller |
APN |
Access Point Name |
APS |
Automatic Protection Switching |
AQP |
Application QoS Policies |
AR |
Assisted Replication |
ARP |
Address Resolution Protocol Allocation and Retention Priority |
A/S |
Active/Standby |
AS |
Autonomous System |
ASAP |
Any Service Any Port |
ASAM |
Advanced Services Access Manager |
ASBR |
AS Boundary Routers |
ASID |
Acct-Session-Id |
ASL |
Application Specific License |
ASLA |
Application Specific Link Attributes |
ASLM |
Application Specific License Manager |
ASM |
Any-Source Multicast |
ASN |
Autonomous System Number |
ASO |
Application Service Option |
ASPM |
Active State Power Management |
AU |
Administrative Unit |
AVC |
Aggregated Virtual Circuit |
AVP |
Attribute Value Pair |
B
Acronym | Definition |
---|---|
B-bit |
Beginning bit (first packet of a fragment) |
BBF |
Broadband Forum |
BC |
Bandwidth Constraint |
BCB |
Backbone Core Bridge |
BCG |
Burst Control Group |
BCP |
Bridging Control Protocol |
B-DA |
Backbone Destination MAC Address |
BE |
Best Effort |
BEB |
Backbone Edge Bridge |
BECN |
Backward Explicit Congestion Notification |
Bellcore |
Bell Communications Research |
BER |
Basic Encoding Rules |
BER |
Bit Error Rate |
BERT |
Bit Error Rate Test |
BFD |
Bidirectional Forwarding Detection |
BFER |
Bit Forwarding Egress Router |
BFIR |
Bit Forwarding Ingress Router |
BFR |
Bit Forwarding Router |
BGP |
Border Gateway Protocol |
BGP LU |
BGP Labeled Unicast |
BGP-LS |
BGP Link State |
BIER |
Bit Indexed Explicit Replication |
BIFT |
Bit Index Forwarding Table |
BITS |
Building Integrated Timing Source Building Integrated Timing Supply |
BM |
Broadcast/Multicast |
B-MAC |
Backbone source and destination MAC address fields defined in the 802.1ah provider MAC encapsulation header |
BTCA |
Best TimeTransmitter Clock Algorithm |
BMP |
BGP Monitoring Protocol |
BMR |
Basic Mapping Rule |
BMU |
Broadcast, Multicast, and Unknown traffic |
BNG |
Broadband Network Gateway |
BOF |
Boot Options File |
BOOTP |
Bootstrap Protocol |
BPDU |
Bridge Protocol Data Unit |
BR |
Border Router |
BRAS |
Broadband Remote Access Server |
BRE |
Basic Regular Expression |
BRG |
Bridged Residential Gateway |
BSA |
Broadband Service Aggregator |
BSAN |
Broadband Service Access Node |
BSC |
Base Station Controller |
BSD |
Berkeley Software Distribution |
BSL |
Bit String Length |
BSM |
Basic Subscriber Management |
BSR |
Bootstrap Router Broadband Service Router |
BT |
Burst Tolerance |
BTAG |
Backbone Tag |
BTS |
Base Transceiver Station |
BTSH |
BGP TTL Security Hack |
BTV |
Broadcast Television |
BUM |
Broadcast, Unicast unknown and Multicast |
B-VPLS |
Backbone VPLS |
BVID |
Backbone VLAN ID |
BVPLS |
See B-VPLS |
BVS |
Business VPN Service |
BW |
Bandwidth |
BW-NR |
Bandwidth 5G New Radio |
C
Acronym | Definition |
---|---|
CA |
Certificate Authority Connectivity Association |
CAC |
Call Admission Control |
CAK |
Connectivity Association Key |
CAM |
Content Addressable Memory |
CAS |
Channel Associated Signaling |
CBAM |
Cloudband Application Manager |
CBC |
Cipher Block Chaining |
CBF |
Class-Based Forwarding |
CBR |
Constant Bit rate |
CBS |
Committed Buffer Size Committed Buffer Space Committed Burst Size |
CC |
Content of Communication Continuity Check Control Channel |
CCA |
Credit Control Answer Cross Connect Adapter |
CCA-I |
Credit Control Answer-Initial |
CCA-T |
Credit Control Answer-Terminate |
CCA-U |
Credit Control Answer-Update |
CCAG |
Cross Connect Aggregation Group |
CCFH |
Credit Control Failure Handling |
CCI |
Credit Control Instance |
CCID |
Cross Connect Identifier |
CCM |
Chassis Control Module Continuity Check Message |
CCR |
Credit Control Request |
CCR-I |
Credit Control Request-Initiate |
CCR-T |
Credit Control Request-Terminate |
CCR-U |
Credit Control Request-Update |
CCS |
Common Channel Signaling |
CDN |
Call Disconnect Notify Content Delivery Network |
CDP |
Cisco Discovery Protocol |
CDVT |
Cell Delay Variation Tolerance |
CE |
Circuit Emulation Customer Edge Customer Equipment |
CEA |
Capability Exchange Answer |
CEC |
Circuit Emulation Concentrator |
CEM |
Circuit-Emulation |
CER |
Capability Exchange Request |
CES |
Circuit Emulation Services |
CESoPSN |
Circuit Emulation Services over Packet Switched Network |
CF |
Compact Flash |
CFHP |
Class Fair Hierarchical Policing |
CFM |
Connectivity Fault Management Control Forwarding Module |
CFP |
C form-Factor Pluggable |
CG |
Charging Groups |
CGA |
Cryptographically Generated Address |
CGI |
Cell Global Identification |
CGN |
Carrier Grade NAT |
CHAP |
Challenge Handshake Authentication Protocol |
CHLI |
Consecutive High Loss Intervals |
CIDR |
Classless Inter-Domain Routing |
CIR |
Committed Information Rate |
CIST |
Common and Internal Spanning Tree |
CKN |
Connectivity association Key Name |
CLEI |
Common Language Equipment Identification |
CLI |
Command Line Interface |
CLLI |
Common Language Location Identifier |
CLM |
Centralized License Manager |
CLP |
Cell Loss Priority |
CMA |
Compact Media Adapter |
C-MAC |
Customer MAC |
CMP |
Certificate Management Protocol |
CMTS |
Cable Modem Termination System |
CN |
Common Name |
CNF |
Container Network Function |
CO |
Central Office |
CoA |
Change of Authorization |
confed-EBGP |
Confederation External BGP |
CoS |
Class of Service |
CP |
Connection-Profile |
CPE |
Customer Premises Equipment |
CPF |
Control Plane Function |
Cpipe |
Circuit Emulation Pipe |
CPM |
Control Processing Module |
CP/SFM |
Control Processor/Switch Fabric Module |
CPU |
Control Processing Unit |
CRC |
Cyclic Redundancy Check |
CRC-32 |
32-bit Cyclic Redundancy Check |
CRL |
Certificate Revocation List |
CRMF |
Certificate Request Message Format |
CRON |
a time-based scheduling service (from chronos = time) |
CRP |
Candidate RP |
CSC |
Carrier Supporting Carrier |
CSC-CE |
Carrier Supporting Carrier – Customer Edge Router |
CSC-PE |
Carrier Supporting Carrier – Provider Edge Router |
CSF |
Client Signal Fail |
CSM |
Control and Switching Module |
CSN |
Complete Sequence Number |
CSNP |
Complete Sequence Number PDU |
CSP |
Cloud Service Provider |
CSPF |
Constraint-based Shortest Path First |
CSR |
Cellsite Service Router |
CSU |
Channel Service Unit |
CSV |
Certificate Status Verification |
CT |
Class Type |
C-TAG |
Customer VLAN tag |
CUPS |
Control and User Plane Separation |
CV |
Connection Verification Customer VLAN (tag) |
CVID |
Customer VLAN ID |
CW |
Control Word |
CWR |
Congestion Window Reduced |
D
Acronym | Definition |
---|---|
DA |
Destination Address |
DACS |
Digital Access Cross-connect System |
DAD |
Duplicate Address Detection |
DC |
Direct Current Data Center |
DCCA |
Diameter Credit Control Application |
DCD |
Data Carrier Detect |
DCE |
Data Circuit-terminating Equipment Data Communications Equipment |
DCGW |
Data Center Gateway |
DCI |
Data Center Interconnect |
DCN |
Data Communication Network |
DCP |
Distributed CPU Protection |
DCSC |
Digital Channel Switch Capable |
DDM |
Digital Diagnostics Monitoring |
DDMAP |
Downstream Detailed Mapping |
DDoS |
Distributed DoS |
DDP |
Dynamic Data Persistency |
DDS |
Dynamic Data Services |
DE |
Discard-Eligible |
DEM |
Dynamic Experience Management |
DES |
Data Encryption Standard |
DEI |
Drop Eligibility Indicator |
DER |
Distinguished Encoding Rules |
DF |
Designated Forwarder Delivery Function Do not Fragment |
DGW |
Data Center Gateway |
DH |
Diffie-Hellman |
DHB |
Decimal, Hexadecimal, or Binary |
DHCP |
Dynamic Host Configuration Protocol |
DHCPv4 |
Dynamic Host Configuration Protocol for IPv4 |
DHCPv6 |
Dynamic Host Configuration Protocol for IPv6 |
DHT |
Distributed Hash Protocol |
DL |
Data Link |
DLC |
Data Link Control |
DLCI |
Data Link Connection Identifier |
DLCMI |
Data Link Connection Management Interface |
DM |
Delay Measurement |
DMA |
Direct Memory Access |
DMM |
Delay Measurement Message |
DMR |
Delay Measurement Reply Default Mapping Rule |
DMZ |
Demilitarized Zone |
DN |
Domain Name |
DNAT |
Destination-based Network Address Translation |
DNS |
Domain Name System |
DNSSEC |
DNS Security |
DNU |
Do Not Use |
DOD |
Downstream On Demand |
DORA |
Discovery/Offer/Request/Ack |
DoS |
Denial of Service |
dot1p |
IEEE 802.1p bits, in Ethernet or VLAN ingress packet headers, used to map traffic to up to eight forwarding classes |
dot1q |
IEEE 802.1q encapsulation for Ethernet interfaces |
DP |
Don’t Preempt Me Bit Data Plane |
DPA |
Disconnect Peer Answer |
DPD |
Dead Peer Detection |
DPDK |
Data Path Development Kit |
DPI |
Digital Program Insertion |
DPL |
Delegated Prefix Length |
DPLL |
Digital Phase Locked Loop |
DPR |
Disconnect Peer Request |
DPV |
Designated Priority Vector |
DR |
Designated Router |
DRA |
Diameter Routing Agent |
DRM |
Digital Rights Management |
DS |
Dual-Stack |
DSA |
Digital Signal Algorithm Direct System Agent |
DSAP |
Destination Service Access Point |
DSCP |
Differentiated Services Code Point |
DSFS |
Data SAP Forwarding State |
DSL |
Digital Subscriber Line |
DSLAM |
Digital Subscriber Line Access Multiplexer |
DS-LITE |
Dual Stack Lite |
DSM |
Distributed Subscriber Management |
DSMAP |
Downstream Mapping |
DSS |
Data Sequence Signal Digital Signature Standard |
DT |
Data Trigger |
DTA |
Data Triggered Authentication |
DTC |
DHCP Transaction Cache |
DTD |
Dynamic Topology Discovery |
DTE |
Data Terminal Equipment |
DTLS |
Datagram Transport Layer Security |
DTP |
Digital Trunking Protocol |
DU |
Downstream Unsolicited |
DUID |
DHCP Unique Identifier |
DUS |
Do not Use for Synchronization |
DVB |
Digital Video Broadcasting |
DVMRP |
Distance Vector Multicast Routing Protocol |
DWA |
Device Watchdog Answer |
DWDM |
Dense Wavelength Division Multiplexing |
DWR |
Device Watchdog Request |
E
Acronym | Definition |
---|---|
e2e |
End-to-End |
EA |
Embedded Address |
EAP |
Extensible Authentication Protocol |
EAPOL |
EAP over LAN |
E-bit |
Ending bit (last packet of a fragment) |
EBGP |
External Border Gateway Protocol |
EBS |
Error Burst Size |
E-BSR |
Elected BSR |
EC |
Extended Community |
ECE |
ECN-Echo |
ECID |
Emulated Circuit Identifiers |
ECGI |
E-UTRAN Cell Global Identifier |
ECMP |
Equal Cost Multipath |
ECN |
Explicit Congestion Notification |
ECT |
Equal Cost Tree |
ED |
Endpoint Discriminator |
EEPROM |
Electronically Erasable Programmable Read-Only Memory |
EF |
Expedited Forwarding |
EFCI |
Explicit Forward Congestion Indication |
EFEC |
Enhanced Forward Error Correction |
EFH |
Extended Failure Handling |
EFM |
Ethernet in the First Mile |
EG |
Enterprise Gateway |
EGP |
Exterior Gateway Protocol |
EHS |
Event Handling System |
EIC |
Ethernet Interface Counters |
EIGRP |
Enhanced Interior Gateway Routing Protocol |
EIR |
Excess Information Rate |
EL |
Entropy Label |
E-LAN |
Ethernet Local Area Network |
eLER |
Egress Label Edge Router |
ELI |
Entropy Label Indicator |
E-Line |
Ethernet Virtual Private Line |
E-LMI |
Ethernet Local Management Interface |
EMR |
Efficient Multicast Replication |
EMS |
Enhanced Subscriber Management |
eNB |
Evolved Node B |
EOOL |
End of Options List |
EOM |
End-of-Message |
EOR |
End-of-RIB |
EPC |
Evolved Packet Core |
EPD |
Exponential Port Dampening |
Epipe |
Ethernet Pipe Ethernet VLL |
EPL |
Ethernet Private Line |
EPS |
Equipment Protection Switching |
ERE |
Extended Regular Expression |
ERO |
Explicit Route Object |
ERP |
Ethernet Ring Protection |
ES |
Elementary Stream |
ESA |
Extended Services Appliance |
ESF |
Extended Super Frame |
ESI |
Ethernet Segment Identifier |
ESM |
Enhanced Subscriber Management |
ESMC |
Ethernet Synchronization Messaging Channel |
eSNI |
Encrypted Server Name Indication |
ESP |
Encapsulating Security Payload |
ESR |
Extended Services Router |
ETE |
End-to-End |
ETH |
Ethernet |
ETH-BN |
Ethernet Bandwidth Notification |
ETH-CFM |
Ethernet Configuration and Fault Management Ethernet Connectivity Fault Management (IEEE 802.1ag) |
ETH-TST |
Ethernet Test |
ETR |
Extended Temperature Range |
ETSI |
European Telecommunications Standards Institute |
ETYPE |
EtherType |
EUI-64 |
64-bit Extended Unique Identifier |
EVC |
Ethernet Virtual Connections |
EVI |
EVPN Instance |
EVPL |
Ethernet Virtual Private Link |
EVPN |
Ethernet VPN |
EXEC |
Execute |
EXP bits |
Experimental bits (currently known as TC) |
F
Acronym | Definition |
---|---|
FAP |
Femto Access Point |
FAD |
Flexible Algorithm Definition |
FAQ |
Frequently Asked Questions |
FASTE |
FastE SFP type |
FC |
Forwarding Class |
FCC |
Fast Channel Change |
FCS |
Frame Check Sequence |
FD |
Frame Delay Frequency Diversity |
FDB |
Forwarding Database |
FDDI |
Fiber Distributed Data Interface |
FDI |
Forward Defect Indication |
FDL |
Facilities Data Link |
FDR |
Frame Delay Range |
FE |
Fast Ethernet |
FEAC |
Far-End Alarm and Control |
FEBE |
Far-End Block Error |
FEC |
Forwarding Equivalence Class Forward Error Correction |
FECN |
Forward Explicit Congestion Notification |
FENT |
Fast Ethernet Network Termination |
FEPL |
Far-End Protection-Line |
FF |
Fixed Filter |
FIB |
Forwarding Information Base |
FID |
Forwarding ID |
FIFO |
First In, First Out |
FIN |
Finish Bit Set |
FIPS |
Federal Information Processing Standards |
FIR |
Fair Information Rate |
FIX |
Financial Information eXchange |
FLR |
Frame Loss Ratio |
FMR |
Forwarding Mapping Rule |
FOM |
Figure of Merit |
FP |
Forwarding Path Forwarding Plane |
FPE |
Forwarding Path Extension |
FPGA |
Field Programmable Gate Array |
FPP |
Floor Packet Percentage |
FPRI |
Fine-grained Priority |
FQDN |
Fully Qualified Domain Name |
FQF |
Fully Qualified Flows |
FRG |
Fragmentation bit |
FRR |
Fast Reroute |
FSG |
Fate Sharing Group |
FSM |
Finite State Machine |
FT |
Fault Tolerant |
FTN |
FEC-to-NHLFE |
FTP |
File Transfer protocol |
FTTH |
Fiber to the Home |
FW |
Firewall |
FWA |
Fixed Wireless Access |
G
Acronym | Definition |
---|---|
G-ACh |
Generic Associated Channel |
GAL |
Generic ACH Label |
GARP |
Gratuitous ARP |
GB-MAC |
Group BMAC |
GBR |
Guaranteed Bit Rate |
GE |
Gigabit Ethernet |
GENT |
Gigabit Ethernet Network Termination |
GFEC |
G.709 FEC |
GFP |
Generic Framing Procedure |
GGSN |
Gateway GPRS Support Node |
GI |
Gateway Interface |
GID |
Global-ID |
GigE |
Gigabit Ethernet |
GIGE |
GigE SFP type |
GIGX |
GigX SFP |
gLSP |
GMPLS LSP |
GMPLS |
Generalized Multiprotocol Label Switching |
GMR |
IGMP Group-specific Membership Report |
GMRE |
GMPLS Routing Engine |
gNMI |
gRPC Network Management Interface |
gNOI |
gRPC Network Operations Interface |
GNSS |
Global Navigation Satellite System |
GOP |
Group of Pictures |
GPON |
Gigabit Passive Optical Network |
GPRS |
General Packet Radio Service |
GPS |
Global Positioning System |
GR |
Graceful Restart Guaranteed Restoration |
GRACE |
Graceful restart |
GRE |
Generic Routing Encapsulation |
gRPC |
gRPC Remote Procedure Call |
GRT |
Global Routing Table |
GSMP |
General Switch Management Protocol |
GSU |
Granted Service Unit |
GTP |
GPRS Tunneling Protocol |
GTP-U |
GPRS Tunneling Protocol - User Plane |
GUA |
Global Unicast Address |
GVRP |
GARP VLAN Registration Protocol |
H
Acronym | Definition |
---|---|
HA |
High Availability |
HAG |
Hybrid Access Gateway |
HD |
High Definition |
HDLC |
High-level Data Link Control protocol |
HEC |
Header Error Control |
HGW |
Home Gateway |
HI |
Handover Indication |
HLI |
High Loss Interval |
HLR |
Home Location Register |
HMAC |
Hash-based Message Authentication Code Hash Message Authentication Code |
HLE |
Home LAN Extension |
H-OFS |
Hybrid OpenFlow Switch |
Hot |
HEAT Orchestration Templates |
HP |
High Priority |
H-POL |
Hierarchical Policing |
H-QoS |
Hierarchical Quality of Service |
HSDPA |
High-Speed Downlink Packet Access |
HSDSL |
High Speed Digital Subscriber Line |
HSI |
High Speed Internet |
HSMDA |
High Scale MDA |
HSPA |
High-Speed Packet Access |
HSQ |
High Scale QoS |
HSS |
Home Subscriber Service |
HT |
Host Tracking |
HTTP |
Hyper-Text Transfer Protocol |
HTTPS |
HTTP Secure |
HVDC |
High Voltage Direct Current |
HVPLS |
Hierarchical Virtual Private Line Service |
I
Acronym | Definition |
---|---|
IAD |
Integrated Access Device |
IAID |
Identity Association Identification |
IANA |
Internet Assigned Numbers Authority |
IA-NA |
Identity Association for Non-Temporary Addresses |
IA-PD |
Identity Association for Prefix Delegation |
IAPP |
Inter Access Point Protocol |
IBCP |
In-Band Control Plane |
IBGP |
Interior Border Gateway Protocol |
IBN |
Isolated Bonding Network |
IB-RCC |
In-Band Ring Control Connection |
ICAP |
Internet Content Adaptation Protocol |
ICB |
Inter-Chassis Backup |
ICC |
Inter-Card Communication ITU Carrier Code (ITU-T Y.1730) |
ICCN |
Incoming Call Connected |
ICK |
Integrity Connection Value Key |
ICL |
Inter-Chassis Link |
ICMP |
Internet Control Message Protocol |
ICMPv6 |
Internet Control Message Protocol for IPv6 |
ICP |
IMA Control Protocol |
ICRQ |
Incoming Call Request |
ICV |
Integrity Connection Value |
IDi |
Identification Indicator (an IKEv2 protocol payload) |
IDr |
Identification Responder |
IDR |
Instantaneous Decoding Refresh |
IDS |
Intrusion Detection System |
IDU |
InDoor Unit |
IE |
Information Element |
IEEE |
Institute of Electrical and Electronics Engineers |
I-ES |
Interconnect Ethernet-Segment |
I-ESI |
Interconnect Ethernet Segment Identifier |
IES |
Internet Enhanced Service |
IETF |
Internet Engineering Task Force |
IFDV |
InterFrame Delay Variation |
IFF |
Inbound FEC Filtering |
IFG |
Inter-Frame Gap |
IGD |
Internet Gateway Device |
IGH |
Interface Group Handler |
IGMP |
Internet Group Management Protocol |
IGP |
Interior Gateway Protocol |
IGRP |
Interior Gateway Routing Protocol |
IID |
Instance ID |
IIH |
IS-IS Hello |
IKE |
Internet Key Exchange |
iLDP |
Interface Label Distribution Protocol |
ILER |
Ingress Label Edge Router |
ILM |
Incoming Label Map |
IME |
Interface Management Entity |
IMEI |
International Mobile Equipment Identity |
IMEISV |
International Mobile Equipment Identity and its Software Version |
IMET |
Inclusive Multicast Ethernet Tag |
IMM |
Integrated Media Module |
IMPM |
Ingress Multicast Path Management |
IMSI |
International Mobile Subscriber Identification |
I/O |
Input/Output |
IOM |
Input/Output Module |
IOMMU |
I/O Memory Management Unit |
IP |
Internet Protocol |
IP-CAN |
IP Connectivity Access Network |
IPCC |
IP Communication Channel IP Control Channel |
IPFIX |
IP Flow Information Export |
IPG |
Inter-Packet Gap |
Ipipe |
IP Pipe IP Interworking VLL |
IPL |
IP Length |
I-PMSI |
Inclusive Provider Multicast Service Interface |
IPoE |
IP over Ethernet |
IPS |
Intrusion Prevention System |
IPsec |
IP Security |
IPTV |
Internet Protocol Television |
IPv6 |
Internet Protocol version 6 |
IPv6CP |
IPv6 Control Protocol |
IP-VPN |
Internet Protocol Virtual Private Network |
IQ |
Information/Query |
IR |
Ingress Replication |
IRB |
Integrated Routing and Bridging |
IRI |
Intercept Related Information |
ISA |
Integrated Service Adapter |
ISA-AA |
Integrated Service Adapter – Application Assurance |
ISAKMP |
Internet Security Association and Key Management Protocol |
ISAM |
Intelligent Services Access Manager |
ISID |
I-component Service ID I-Service Instance Identifier |
IS-IS |
Intermediate System to Intermediate System |
ISO |
International Organization for Standardization |
ISP |
Internet Service Provider |
ISSU |
In-Service Software Upgrade |
IST |
Internal Spanning Tree |
I-TAG |
Service Instance TAG |
ITU-T |
International Telecommunications Union - Telecommunications |
IWF |
Interworking Function |
J
Acronym | Definition |
---|---|
JID |
JabberID |
JOLT |
Java OnLine Transactions |
JP |
Join Prune |
K
Acronym | Definition |
---|---|
KAT |
Keepalive Timer |
KEX |
Key Exchange |
KPI |
Key Performance Indicators |
KVM |
Kernel-based Virtual Machine |
L
Acronym | Definition |
---|---|
L2TP |
Layer 2 Tunneling Protocol |
L2W |
Layer 2 Wholesale |
LA |
Level Authority |
LAA |
Local Address Assignment |
LAC |
L2TP Access Concentrator |
LACP |
Link Aggregation Control Protocol |
LAG |
Link Aggregation Group |
L-AIS |
Line Alarm Indication Signal |
LAN |
Local Area Network |
LAND |
Local Area Network Denial |
LB |
Label Base Loopback |
LBM |
Loopback Message |
LBR |
Loopback Reply Loopback Response |
LCD |
Loss of Cell Delineation |
LCM |
Life Cycle Management |
LCP |
Link Control Protocol |
LDAP |
Lightweight Directory Access Protocol |
LDAPS |
LDAP over SSL/STL |
LDP |
Label Distribution Protocol |
LDPoRSVP |
LDP over RSVP |
LDRA |
Lightweight DHCPv6 Relay Agent |
LER |
Label Edge Router |
LFA |
Loop-Free Alternate |
LI |
Lawful Intercept |
LFI |
Link Fragmentation and Interleaving |
LIB |
Label Information Base |
LIF |
Loss of IMA Frame |
LIG |
Lawful Intercept Gateway |
LLA |
Link Local Address |
LLC |
Link Layer Control Logical Link Control |
LLDP |
Link Layer Discovery Protocol |
LLDPDU |
Link Layer Discovery Protocol Data Unit |
LLF |
Link Loss Forwarding |
LLGR |
Long Lived Graceful Restart |
LLID |
Loopback Location ID |
LM |
Loss Measurement |
LMM |
Loss Measurement Message |
LMI |
Local Management Interface |
LMR |
Loss Measurement Response |
LMQ |
Last Member Query |
LNS |
L2TP Network Server |
LOC |
Loss of Continuity |
LODS |
Link Out of Delay Synchronization |
LOF |
Loss of Frame |
LOP |
Loss of Packets |
LoR |
LDP over RSVP |
LOS |
Loss of Signal |
LoT |
Loss of Transmission Loss of Transport |
LP |
Low Priority Local Preference |
LPM |
Longest Prefix Match |
LPN |
Label per Next hop |
LPP |
Label per Prefix |
LPT |
Logical Port Type |
LPT-S |
Logical Port Type Subtype |
LPT-V |
Logical Port Type Value |
LQR |
Link Quality Report |
LR |
Labeled Route |
LSA |
Link-State Advertisement |
LSB |
Least Significant Bit |
LSDB |
Link-State Database |
LSN |
Large-Scale NAT |
LSP |
Link-State PDU (for IS-IS) Label Switched Path |
LSR |
Link-state Request Label Switching Router |
LSU |
Link-State Update |
LT |
Linktrace |
LTE |
Line Termination Equipment Long Term Evolution |
LTM |
Linktrace Message |
LTN |
LSP ID to NHLFE |
LTR |
Linktrace Reply Linktrace Response |
LTS |
L2TP Tunnel Switching |
LUB |
Limit Unused Bandwidth |
LUDB |
Local User Data Base |
M
Acronym | Definition |
---|---|
MA |
Maintenance Association |
MA-ID |
Maintenance Association Identifier |
MAC |
Media Access Control |
MACsec |
Media Access Control Security |
MAF |
Management Access Filter |
MAM |
Maximum Allocation Model |
MAN |
Metropolitan Area Network |
MANO |
Management and Orchestration |
MAP-T |
Mapping of Address and Port using Translation |
MAR |
Mobile Aggregation Router |
MAT |
MAC Address translation |
MBB |
Make-Before-Break |
MBGP |
Border Gateway Protocol with Multi-protocol extensions |
MBH |
Mobile BackHaul |
MBR |
Maximum Bit Rate |
MBS |
Maximum Buffer Size Maximum Burst Size Media Buffer Space |
MBZ |
Must Be Zero |
MCAST |
Multicast |
MC-APS |
Multi-Chassis Automatic Protection Switching |
MC-CTL |
Multi-Chassis Control Link |
MC-EP |
Multi-Chassis Endpoint |
MCID |
Multicast Connection ID |
MC-IPsec |
Multi-Chassis IPsec redundancy |
MC-LAG |
Multi-Chassis Link Aggregation |
MCAC |
Multicast Connection Admission Control |
MCC |
Mobile Country Code |
MCLT |
Maximum Client Lead Time |
MCM |
MDA Carrier Module |
MCR |
Mobile Core Router |
MC-RING |
Multi-Chassis Ring |
MCS |
Multi-Chassis Synchronization |
MD |
Maintenance Domain |
MD5 |
Message Digest version 5 (algorithm) |
MDA |
Media Dependent Adapter |
MD-CLI |
Model-Driven CLI |
MDI |
Media Dependent Interface |
MDL |
Maintenance Data Link |
MDT |
Multicast Distribution Tree |
MDU |
Multiple Dwelling Unit |
MDX |
Media Dependent Interface with crossovers |
ME |
Maintenance Entity |
MED |
Multi-Exit Discriminator |
MEF |
Metro Ethernet Forum |
MEG |
Maintenance Entity Group MVPN-to-EVPN Gateway |
MEP |
Maintenance Association Endpoint Maintenance Endpoint |
MEP-ID |
Maintenance Association Endpoint Identifier |
MF |
More Fragment |
MFD |
Mean Frame Delay |
MFIB |
Multicast Forwarding Information Base |
MG |
Mobile Gateway |
MH |
Multihoming |
MHD |
Multihomed Device |
MHF |
MIP Half Function |
MHN |
Multihomed Network |
MHP |
Multihomed Prefix |
MHV |
Mirror Header Version |
MI |
Member Identifier |
MIB |
Management Information Base |
MIMP |
MC-IPsec Mastership Protocol |
MIP |
Maintenance Domain Intermediate Point Maintenance Intermediate Points |
MIR |
Minimum Information Rate |
MKA |
MACsec Key Agreement |
MLD |
Multicast Listener Discovery |
MLDP |
Multicast Label Distribution Protocol |
MME |
Mobility Management Entity |
MLT |
Multi-Link Trunk |
MMRP |
Multiple MAC Registration Protocol |
MN |
Member Number |
MNC |
Mobile Network Code |
MNO |
Mobile Network Operator |
MO |
Managed Object |
MoFRR |
Multicast-only Fast Reroute |
MOP |
Maintenance Operational Procedure |
MOS |
Mean Opinion Score |
MP |
Merge Point Multilink Protocol |
MPBGP |
Multiprotocol Border Gateway Protocol |
MPEG |
Moving Picture Experts Group |
MPLS |
Multiprotocol Label Switching |
MPLS-TP |
Multiprotocol Label Switching - Transport Profile |
MPLSCP |
Multiprotocol Label Switching Control Protocol |
MPTS |
Multi-Program Transport Stream |
MR |
Master Router Member Report |
MRAI |
Minimum Route Advertisement Interval |
MRB |
Maximum Reservable Bandwidth |
MRIB |
Multicast Routing Information Base |
MRLB |
Maximum Reservable Link Bandwidth |
MRP |
Multi-service Route Processor |
MRRU |
Maximum Received Reconstructed Unit |
MRU |
Maximum Receive Unit |
MSA |
Multi Source Agreement |
MSAN |
Multi-Service Access Node |
MSAP |
Managed Service Access Point |
MSB |
Most Significant Bit |
MSC |
Mobile Switching Center |
MSCC |
Multiple Services Credit Control |
MSD |
Maximum Stack Depth |
MSDP |
Multicast Source Discovery Protocol |
MSDU |
MAC Service Data Unit |
MSFP |
Multicast Switch Fabric Plane |
MSISDN |
Mobile Station International Subscriber Directory Number |
MS-ISM |
Multi-Service Integrated Services Module |
MSK |
Master Session Key |
MS-PW |
Multi-Segment Pseudowire |
MSR |
Mobile Service Router |
MSS |
Multi-Service Site Maximum Segment Size |
MST |
Multiple Spanning Tree |
MSTI |
Multiple Spanning Tree Instances |
MSTP |
Multiple Spanning Tree Protocol |
MSTV |
Microsoft Television |
MTBF |
Mean Time Between Failures |
MT-ID |
Multi-Topology ID |
MTSO |
Mobile Telephony Switching Office |
MTTR |
Mean Time To Repair |
MTU |
Multi-Tenant Unit Maximum Transmission Unit |
MTU-r |
Bridging-capable access device |
MUX |
Multiplex |
M-VPLS |
Management Virtual Private Line Service |
MVPN |
Multicast VPN |
MVR |
Multicast VPLS Registration |
MVRP |
Multiple VLAN Registration Protocol |
N
Acronym | Definition |
---|---|
NA |
Neighbor Advertisements |
NAI |
National Access Identifier |
NAK |
Non-Acknowledgment |
NAPT |
Network Address and Port Translation |
NAPTR |
Name Authority Pointer |
NAS |
Network Access Server |
NASREQ |
Diameter Network Access Server Requirements |
NAT |
Network Address Translation |
NBMA |
Non-Broadcast Multiple Access network |
NBNS |
NetBios Name Server |
NC |
Network Class |
NCP |
Network Control Protocol |
NDF |
Non-Designated Forwarder |
NDP |
Neighbor Discovery Protocol |
NE |
Network Element |
NET |
Network Entity Title |
NetBIOS |
Network Basic Input/Output System |
NETCONF |
Network Configuration Protocol |
NFM-P |
Nokia Network Functions Manager for Packet |
NG-MVPN |
Next-Generation Multicast VPN |
NGE |
Network Group Encryption |
NH |
Next-Hop |
NHG |
Next-Hop Group |
NHLFE |
Next-Hop Label Forwarding Entry |
NHOP |
Next-Hop |
NID |
Network Interface Demarcation |
NISH |
Network Interface Shell |
NIST |
National Institute of Standards and Technology |
NLB-DEM |
Non-Location Based DEM |
NLPID |
Network Level Protocol Identifier |
NLRI |
Network Layer Reachability Information |
NMDA |
Network Management Datastores Architecture |
NMS |
Network Management System |
NNI |
Network-to-Network Interface |
NPA |
Network Processor Array |
NRT-VBR |
Non-Real-Time Variable Bit Rate |
NS |
Neighbor Solicitation Nonce Sum |
NSAP |
Network Service Access Point |
NSAPI |
Network Service Access Point Identifier |
NSH |
Next Signaling Hop |
NSP |
Network Services Platform |
NSR |
Nonstop Routing |
NSSA |
Not-So-Stubby Area |
NTP |
Network Time Protocol |
NUMA |
Non-uniform Memory Access |
NVE |
Network Virtualization Edge |
NVO |
Network Virtualization Overlay |
O
Acronym | Definition |
---|---|
OAM |
Operation, Administration and Management |
OAMPDU |
OAM Protocol Data Units |
OC3 |
Optical Carrier level 3 |
OCD |
Out-of-Cell Delineation |
OCS |
Online Charging Server |
OCSP |
Online Certificate Status Protocol |
ODSA |
On-Demand Subnet Allocation |
ODU |
Optical channel Data Unit |
OF |
OpenFlow |
OFPAT |
OpenFlow Protocol Action Type |
OFS |
OpenFlow Switch |
OID |
Object Identifier |
OIF |
Outgoing Interfaces |
OIL |
Outgoing Interface List |
OISM |
Optimized Inter-Subnet Multicast |
OKC |
Opportunistic Key Caching |
OLT |
Optical Line Termination |
OMA |
Optical Modulation Amplitude |
OMCR |
Oversubscribed Multi-Chassis Redundancy |
ONT |
Optical Network Terminal |
OOB |
Out-of-Band |
OOF |
Out-of-Frame |
OOP |
Out-of-Profile |
OPDL |
Option Data structure List |
OPEX |
Operating Expenditure Operational Expense |
OPS |
On-Path Support |
OPU |
Optical Payload Unit |
ORF |
Outbound Route Filtering |
ORR |
Optimal Route Reflection |
OS |
Operating System |
OSF |
Oversubscription Factor |
OSI |
Open Systems Interconnection (reference model) |
OSICP |
OSI Control Protocol |
OSINLCP |
OSI Network Layer Control Protocol |
OSPF |
Open Shortest Path First |
OSPFIGP |
Open Shortest Path First Interior Gateway Protocol |
OSPF-TE |
OSPF-Traffic Engineering (extensions) |
OSS |
Operations Support System |
OT |
Over-Temperature |
OTN |
Optical Transport Network |
OTU |
Optical Transport Unit |
OUI |
Organizationally Unique Identifier |
OVA |
Open Virtual Application |
OVF |
Open Virtualization Format |
OVS |
Open Virtual Switch |
OWAMP |
One-Way Active Measurement Protocol |
OXC |
Optical Cross-connect |
P
Acronym | Definition |
---|---|
P2MP |
Point-to-Multipoint |
P2P |
Point-to-Point |
PAA |
PDN Address Allocation |
PADI |
PPPoE Active Discovery Initiation |
PADO |
PPPoE Active Discovery Offer |
PADR |
PPPoE Active Discovery Request |
PADS |
PPPoE Active Discovery Session-confirmation |
PADT |
PPPoE Active Discovery Terminate |
PAE |
Port Authentication Entities |
PAGP |
Port Aggregation Protocol |
PAP |
Password Authentication Protocol |
PASTE |
Provider Architecture for Differentiated Services and Traffic Engineering |
PAT |
Program Association Table |
PAYG |
Pay-As-You-Grow |
PBB |
Provider Backbone Bridging |
PBBN |
Provider Backbone Bridge Network |
PBF |
Policy-Based Forwarding |
PBKDF2 |
Password-Based Key Derivation Function 2 |
PBO |
Packet-Byte-Offset |
PBR |
Policy-Based Routing |
PBT |
Port-Based Timestamping |
PCAP |
Packet Capture |
PCC |
Path Computation Element Client |
PCC |
Policy and Charging Control |
PCE |
Path Computation Element |
PCEF |
Policy and Charging Enforcement Function |
PCEP |
Path Computation Element Protocol |
PCM |
Pulse Code Modulation |
PCO |
Protocol Configuration Option |
PCP |
Priority Code Point Port Control Protocol Port Control Policy |
PCR |
Peak Cell Rate Proprietary Clock Recovery |
PCRF |
Policy and Rule Charging Function |
PCS |
Physical Coding Sublayer |
PD |
Prefix Delegation |
PDCP |
Packet Data Convergence Protocol |
PDN |
Packet Data Network |
PDP |
Packet Data Protocol Policy Decision Point |
PDSN |
Packet Data Serving Node |
PDU |
Protocol Data Units |
PDV |
Packet Delay Variation |
PE |
Provider Edge Router |
PEA |
Provider Edge A |
PEB |
Provider Edge B |
PE-rs |
Provider Edge Router (routing and bridging capable) |
PEAP |
Protected EAP |
PEG |
PIM-to-EVPN Gateway |
PEP |
Policy Enforcement Point |
PEM |
Privacy Enhanced Mail |
PES |
Packetized Elementary Stream |
PESQ |
Perceptual Evaluation of Speech Quality |
PFC |
Protocol Field Compression |
PFCP |
Packet Forwarding Control Protocol |
PFS |
Perfect Forward Secrecy |
PFSG |
Pool Fate Sharing Group |
PG-ID |
Protect Group ID |
PGW |
PDN Gateway |
PHB |
Per-Hop Behavior |
PHP |
Penultimate Hop Popping |
PHY |
Physical layer |
PIC |
Prefix Independent Convergence |
PID |
Packet Identifier Protocol Identifier |
PIM |
Protocol Independent Multicast |
PIM-DM |
Protocol Independent Multicast-Dense Mode |
PIM-SM |
Protocol Independent Multicast – Sparse Mode |
PIO |
Prefix Information Option |
PIP |
Picture-in-Picture |
PIR |
Peak Information Rate |
PKCS |
Public Key Cryptography Standards |
PKI |
Public Key Infrastructure |
PLCP |
Physical Layer Convergence Protocol |
PLM |
Payload Mismatch |
PLMN |
Public Land Mobile Network |
PLR |
Point of Local Repair |
PM |
Path Monitoring |
PMSI |
P-Multicast Service Interface |
PMSTP |
Provider Multi-Instance Spanning Tree Protocol |
PMT |
Program Map Table |
PN |
Packet Number Pseudo-Node |
PNNI |
Private Network-to-Network Interface |
POA |
Program Off Air |
POI |
Purge Originator Identification |
PON |
Passive Optical Network |
POP |
Points of Presence |
POS |
Packet over SONET |
PPID |
Payload Protocol Identifier |
PPP |
Point-to-Point Protocol |
PPPoE |
Point-to-Point Protocol over Ethernet |
PPS |
Packets per Second |
PPTP |
Point-to-Point Tunneling Protocol |
PQR |
Picture Quality Rating |
PRC |
Path Restoration Combined Primary Reference Clock |
PRF |
Pseudorandom Function |
PRI |
Packet Priority |
PSB |
Path State Block |
PSC |
Protection Switching Coordination |
PSCP |
Programmable Subscriber Configuration Policy |
PSD |
Protection Switching Duration |
PSH |
Push |
PSI |
Payload Structure Identifier |
PSK |
Pre-Shared Key |
PSM |
Peer State Machine |
PSN |
Packet-Switched Network |
PSNP |
Partial Sequence Number PDU |
PSNR |
Peak Signal-to-Noise Ratio |
PST |
Path Setup Type |
PT |
Payload Type |
PTA |
PMSI Tunnel Attribute PPP Termination Aggregation |
PTB |
Packet Too Big |
PTI |
Payload Type Indicator |
PTP |
Performance Transparency Protocol Precision Time Protocol |
PVC |
Permanent Virtual Circuit |
PVCC |
Permanent Virtual Channel Connection |
PVP |
Permanent Virtual Path |
PVPC |
Permanent Virtual Path Connection |
PVST |
Per VLAN STP |
PW |
Pseudowire |
PWE |
Pseudowire Emulation |
PWE3 |
Pseudowire Emulation Edge-to-Edge |
PW FWD |
Pseudowire Forwarding |
PXC |
Port Cross-Connect |
Q
Acronym | Definition |
---|---|
Q.922 |
ITU-T Q-series Specification 922 |
QCI |
QoS Class Identifier |
QCOW2 |
Virtual disk image format supported by QEMU |
QEMU |
Quick Emulator |
QER |
QoS Enforcement Rule |
QL |
Quality Level |
QL-DNU |
Quality Level-Do Not Use |
QL-DUS |
Quality Level-Don’t Use for Synchronization |
QoE |
Quality of Experience |
QoS |
Quality of Service |
QPPB |
QoS Policy Propagation via BGP |
QSFP |
Quad Small Form-factor Pluggable |
R
Acronym | Definition |
---|---|
RA |
Router Advertisement Route Advertise |
RAA |
Re-Authentication Answer |
RADIUS |
Remote Authentication Dial In User Service |
RAI |
Routing Area Identity |
RAM |
Reporting and Analysis Manager |
RAN |
Radio Access Network |
R-APS |
Ring Automatic Protection Switching |
RAR |
Re-Authentication Request |
RAS |
Remote Access Server |
RAT |
Radio Access Type |
RBOC |
Regional Bell Operating Company |
RC |
Result Code |
RCO |
Routed Central Office |
RD |
Route Distinguisher |
RDI |
Remote Defect Indication |
RDM |
Russian Doll Model |
RDNSS |
Recursive DNS Server |
RE |
Regular Expression |
RED |
Random Early Discard |
RESV |
Reservation |
RET |
Retransmission |
RFC |
Request for Comments |
RFD |
Route Flap Damping |
RFI-IMA |
IMA Remote Failure Indication |
RG |
Routed Gateway |
RGW |
Residential Gateway |
RHEL |
Real Hat Enterprise Linux |
RI |
Router Information |
RIB |
Routing Information Base |
RIP |
Routing Information Protocol |
RNC |
Radio Network Controller |
RLFA |
Remote Loop-Free Alternate |
RNCV |
Ring Node Connectivity Verification |
RMON |
Remote Network Monitoring |
ROA |
Route Origin Authorization |
RP |
Rendezvous Point |
RPC |
Remote Procedure Call |
RPA |
RP Address |
RPF |
Reverse Path Forwarding |
RPKI |
Resource Public Key Infrastructure |
RPL |
Ring Protection Link |
RPS |
Radio Protection Switching |
RPT |
Rendezvous-Point Tree |
RR |
Reporting Reason Route Reflector |
RRO |
Record Route Object |
RS |
Router Solicitation |
RS-FEC |
Reed-Solomon Forward Error Correction |
RSA |
Rivest, Shamir, and Adleman (authors of the RSA encryption algorithm) |
RSB |
Reservation State Block |
RSC |
Return Sub-Code |
RSHG |
Residential Split Horizon Group |
RSS |
Receive Side Scaling |
RSSI |
Received Signal Strength Indication |
RST |
Reset |
RSTP |
Rapid Spanning Tree Protocol |
RSU |
Requested Service Unit |
RSVP |
Resource Reservation Protocol |
RSVP-TE |
Resource Reservation Protocol – Traffic Engineering |
RT |
Receive/Transmit |
RT-VBR |
Real-Time Variable Bit Rate |
RTC |
Route Target Constraint |
RTCP |
RTP Control Protocol |
RTM |
Routing Table Manager |
RTMP |
Real-Time Messaging Protocol |
RTMPE |
Encrypted Real Time Messaging Protocol |
RTMPT |
Tunneled Real Time Messaging Protocol |
RTP |
Real-Time Transport Protocol |
RTSP |
Real-Time Streaming Protocol |
RTT |
Round Trip Time |
RTU |
Right To Use |
R-VPLS |
Routed Virtual Private LAN Service |
RxDTV |
Receive Decision Threshold Voltage |
S
Acronym | Definition |
---|---|
S2L |
Source-to-leaf |
S-A |
Source-Active |
SA |
Security Association |
SAA |
Service Assurance Agent |
SAC |
State Advertisement Control |
SAFI |
Subsequent Address Family Identifier |
SAI |
Service Area Identity Secure Association Identifier |
SAII |
Source Access Individual Identifier Source Attachment Individual Identifier |
SAK |
Security Association Key |
SaMOG |
S2a Mobility based on GPRS Tunneling Protocol |
SAP |
Service Access Point Subscriber Access Point |
SASE |
Stand Alone Synchronization Equipment |
SAToP |
Structure-Agnostic TDM over Packet |
SBAU |
Shared Buffer Average Utilization |
SBD |
Supplementary Broadcast Domain |
SBR |
Source-Based Reroute |
SBU |
Shared Buffer Utilization |
SC |
Security Channel |
SCCCN |
Start-Control-Connection-Connected |
SCCRP |
Start-Control-Connection-Reply |
SCCRQ |
Start-Control-Connection-Request |
SCI |
Secure Channel Identifier |
SCP |
Secure Copy |
SCR |
Sustained Cell Rate |
SCTE |
Society of Cable Telecommunications Engineers |
SCTP |
Stream Control Transmission Protocol |
SCUR |
Session Charging with Unit Reservation |
SD |
Signal Degrade Space Diversity |
SDH |
Synchronous Digital Hierarchy |
SDK |
Software Development Kit |
SDN |
Software Defined Network |
SDP |
Service Destination Point Service Distribution Point |
SDSL |
Symmetric Digital Subscriber Line |
SDU |
Service Data Unit |
SE |
Shared Explicit |
SecTAG |
Security TAG |
SecY |
MAC Security Entity |
SeGW |
Secure Gateway |
SeND |
Secure Neighbor Discovery |
SERO |
Secondary ERO |
SES |
Severely Errored Second |
SETS |
Synchronous Timing Equipment Subsystem |
SF |
Signal Fail |
SFF |
Small Form Factor |
SFM |
Switch Fabric Module |
SFP |
Small Form-factor Pluggable (transceiver) |
SGSN |
Serving GPRS Support Node |
SGT |
Self-Generated Traffic |
SGW |
Serving Gateway |
SHA |
Secure Hash Algorithm |
SHCV |
Subscriber Host Connectivity Verification |
SHG |
Split Horizon Group |
SI |
Service Information Set ID |
SID |
Segment ID |
SIDR |
Secure Inter-Domain Routing |
SIM |
Subscriber Identity Module |
SIP |
Session Initiation Protocol |
SIR |
Sustained Information Rate |
SL |
Synthetic Loss Short Length |
SLA |
Service Level Agreement |
SLAAC |
Stateless Address Auto-Configuration |
SLARP |
Serial Line Address Resolution Protocol |
SLM |
Synthetic Loss Message |
SLR |
Static Label Route Synthetic Loss Reply |
SM |
Section Monitoring |
SMBIOS |
System Management BIOS |
SMAC |
Source MAC Address |
SMGR |
Service Manager |
SMTP |
Simple Mail Transfer Protocol |
SNA |
System Network Architecture |
SNAP |
Subnetwork Access Protocol |
SNAPT |
Source Network Address and Port Translation |
SNCP |
Sub-Network Connection Protection |
SNI |
Server Name Indicator |
SNMP |
Simple Network Management Protocol |
SNPA |
Subnetwork Point of Attachment |
SNR |
Signal to Noise Ratio |
SNTP |
Simple Network Time Protocol |
SOAM |
Service OAM |
SONET |
Synchronous Optical Network |
SOO |
Site of Origin |
SP |
Service Provider |
SPB |
Shortest Path Bridging |
SPBM |
Shortest Path Bridging MAC Mode |
S-PE |
Switching Provider Edge router |
SPF |
Shortest Path First |
SPI |
Security Parameter Index |
SPI |
SLA Profile Instance |
S-PMSI |
Selective Provider Multicast Service Interface |
SPT |
Shortest Path Tree |
SPTS |
Single-Program Transport Stream |
SQE |
Signal Quality Error |
SQN |
Sequence Number |
SR |
Segment Routing Service Router (7750 SR) |
SRGB |
Segment Routing Global Block |
SRLB |
Segment Routing Local Block |
SRLG |
Shared Risk Link Group |
SRRP |
Subscriber Routed Redundancy Protocol |
SRPY |
Service Router Python |
SR-IOV |
Single Root I/O Virtualization |
SR-MS |
Segment Routing Mapping Server |
SR-TE |
Segment Routing Traffic Engineering |
SSD |
Solid State Drive |
SSDP |
Simple Service Discovery Protocol |
SSH |
Secure Shell |
SSL |
Secure Socket Layer |
SSM |
Source-Specific Multicast Synchronization Status Messages Synchronization Status Messaging |
SSRC |
Synchronization Source |
SSU |
System Synchronization Unit Synchronization Supply Unit |
STA |
Session-Termination-Answer |
S-TAG |
Service VLAN tag |
STB |
Set Top Box |
STM1 |
Synchronous Transport Module, level 1 |
STP |
Spanning Tree Protocol |
STR |
Session-Termination-Requests |
STS |
Synchronous Transport Signal |
STUN |
Session Traversal Utilities for NAT |
SVC |
Switched Virtual Circuit |
SVID |
Stacked VLAN ID |
S-VLAN |
Service Provider VLAN |
SYN |
Synchronize |
T
Acronym | Definition |
---|---|
TAC |
Technical Assistance Center |
TACACS+ |
Terminal Access Controller Access-Control System Plus |
TAF |
Time Average Factor |
TAI |
Tracking Area Identifier |
TAU |
Tracking Area Update |
TAII |
Target Attachment Individual Identifier |
TC |
Traffic Class (formerly known as EXP bits) |
TCA |
Threshold Crossing Alert Traffic Crossing Alert |
TCAM |
Ternary Content Addressable Memory |
TCI |
TAG Control Information |
TCN |
Topology Change Notification |
TCP |
Transmission Control Protocol |
TCP-AO |
TCP Authentication Option |
TCSB |
Traffic Control State Block |
TDF |
Traffic Detection Function |
TDM |
Time Division Multiplexing |
TDP-ID |
Time Descriptor Policy Identifier |
TE |
Traffic Engineering |
TED |
Traffic Engineering Database |
TEI |
Transport Error Identifier |
TEID |
Tunnel Endpoint Identifier |
TEP |
Tunnel Endpoint |
TFN |
Tribe Flood Network |
TFTP |
Trivial File Transfer Protocol |
TI-LFA |
Topology-Independent Loop-Free Alternate |
TIM |
Trace Identifier Mismatch |
T-LDP |
Targeted LDP |
TLS |
Transport Layer Security |
TLV |
Type Length Value |
TM |
Traffic Management |
TNC |
Technically Non-Conformant |
TNS |
Transparent Network Substrate |
ToD |
Time of Day |
TOR |
Top-of-Rack |
ToS |
Type-of-Service |
T-PE |
Terminating Provider Edge router |
TPID |
Tag Protocol Identifier |
TPMR |
Two-Port MAC Relay |
TPSDA |
Triple Play Service Delivery Architecture |
TS |
Transport Stream |
TSH |
TTL Security Hack |
TTI |
Trail Trace Identifier |
TTL |
Time to Live |
TTLS |
Tunneled Transport Layer Security |
TTM |
Tunnel Table Manager |
TVL |
Type Value Length |
TWAMP |
Two-Way Active Measurement Protocol |
TWAN |
Trusted WLAN Access Network |
U
Acronym | Definition |
---|---|
U-APS |
Unidirectional Automatic Protection Switching |
uBFD |
Micro Bidirectional Forwarding Detection |
UBR |
Unspecified Bit Rate |
UDLD |
Uni-directional Link Detection |
UDP |
User Datagram Protocol |
UE |
User Equipment |
UEFI |
Unified Extensible Firmware Interface |
UFD |
Unidirectional Forwarding Detection |
ULI |
User Location Information |
ULIC |
UMTS Lawful Intercept Correlation Header |
UM |
Usage Monitoring |
UMH |
Upstream Multicast Hop |
UMTS |
Universal Mobile Telecommunications System (3G) |
UNI |
User-to-Network Interface |
UNC |
Usage Parameter Control |
UPF |
User Plane Function |
UPnP |
Universal Plug and Play |
URG |
Urgent |
URI |
Uniform Resource Identifier |
URL |
Uniform Resource Locator |
uRPF |
Unicast Reverse Path Forwarding |
URR |
Usage Reporting Rule |
USM |
User-based Security Model |
USU |
Used Service Unit |
UTC |
Coordinated Universal Time |
UTF |
Unicode Transformation Format |
UTM |
Unified Threat Management |
UUI |
User-to-User Indication |
V
Acronym | Definition |
---|---|
VACM |
View-based Access Control Model |
VAS |
Value Added Service |
VBO |
VE Block Offset |
VBR |
Variable Bit Rate |
VBS |
VE Block Size |
VC |
Virtual Circuit Virtual Channel |
VCC |
Virtual Channel Connection |
VCCV |
Virtual Circuit Connectivity Verification |
vCD |
vCloud Director |
VCI |
Virtual Channel Identifier |
VC-ID |
Virtual Circuit Identifier |
VCL |
Virtual Channel Link |
VCP |
Virtual Core Port |
VDSL |
Very-High-Bit-Rate DSL |
VE |
VPLS Edge |
VE-ID |
VPWS Edge Identifier |
VF |
Virtual Function |
vFP |
Virtual Forwarding Plane |
V-GW |
Visited WLAN-GW |
VID |
VLAN ID |
VIM |
Virtualized Infrastructure Manager |
VLAN |
Virtual LAN |
VLL |
Virtual Leased Line |
VM |
Virtual Machine |
VMAC |
Virtual MAC Address |
VMDK |
Virtual Machine Disk |
vMEPs |
Virtual MEPS |
VNF |
Virtual Network Function |
VNFD |
Virtual Network Function Descriptor |
VNFM |
Virtualized Network Function Manager |
VNFO |
Virtualized Network Function Orchestrator |
VNI |
VXLAN Network Identifier |
VoD |
Video on Demand |
VoIP |
Voice over IP |
VP |
Virtual Path |
VPC |
Virtual Path Connection |
VPI |
Virtual Path Identifier |
VPL |
Virtual Path Link |
VPLS |
Virtual Private LAN Service |
VPN |
Virtual Private Network |
Vport |
Virtual Port |
VPRN |
Virtual Private Routed Network |
VPWS |
Virtual Private Wire Service |
VQM |
Video Quality Monitoring |
VRF |
Virtual Routing and Forwarding table |
vRGW |
Virtual Residential Gateway |
VRID |
Virtual Router ID |
VRP |
Validated ROA Payload |
VRRP |
Virtual Router Redundancy Protocol |
VRS |
Virtual Routing and Switching |
VSA |
Vendor-Specific Attribute |
VSC |
Virtual Services Controller |
VSD |
Virtual Services Directory |
VSG |
Virtual Services Gateway |
VSI-ID |
Virtual Switch Instance identifier |
VSM |
Vendor-Specific Message Versatile Service Module |
VSO |
Vendor-Specific Option |
VSP |
Virtual Services Platform |
VSR |
Virtualized Service Router |
VSR-a |
Virtualized Service Router Appliance |
VSR-I |
Integrated Model for the Virtualized Service Router |
VSTQ |
Video Service Transmission Quality |
VT |
Validity Time Virtual Trunk |
VT-d |
Virtualization Technology for Directed I/O |
VT-x |
Virtualization Technology for x86 processors |
VTEP |
VXLAN Tunnel Endpoint |
VTP |
Virtual Trunk Protocol |
VXLAN |
Virtual eXtensible Local Area Network |
W
Acronym | Definition |
---|---|
WAC |
WiMAX Access Controller |
WAN |
Wide Area Network |
WAP |
Wireless Application Protocol |
WDRR |
Weighted Deficit Round Robin |
WFQ |
Weighted Fair Queuing |
WINS |
Windows Internet Name Service |
WLAN |
Wireless Local Area Network |
WLAN-GW |
WLAN Gateway |
WPP |
Web Authentication Protocol Wireless Portal Protocol |
WRED |
Weighted Random Early Detection Weighted Random Early Discard |
WRR |
Weighted-Round-Robin |
WTB |
Wait to Block |
WTR |
Wait to Restore |
X
Acronym | Definition |
---|---|
x2APIC |
x2 Advanced Programmable Interrupt Controller |
X.21 |
ITU-T X-series Recommendation 21 |
XFP |
10 Gigabit Small Form Factor Pluggable |
XMA |
XRS Media Adapter |
XML |
eXtensible Markup Language |
XMPP |
eXtensible Messaging and Presence Protocol |
XPN |
eXtended Packet Number |
XRO |
Exclude Route Objects |
Z
Acronym | Definition |
---|---|
ZTP |
Zero Touch Provisioning |