Glossary

The following terms and acronyms describe the operation and maintenance of RET/FCC and ad insertion configurations are presented for reference purposes.

 

AA-ISA

Application Aware Integrated Service Adapter

AA-Sub

The AA-ISA view of the AA context. Supported AA-subs types include ESM and SAPs, which mapped directly to divert contexts, spoke-SDP as AA-sub divert context, transit AA-sub type within a parent AA-sub divert context.

Parent AA-Sub

A SAP/SDP diverted to AA containing transit AA subs.

Transit AA Sub

An ISA local AA sub contained within a parent AA sub. There will be two types of transit AA subs:

•	Transit IP AA-subs— Defined by transit IP policy as one or more /32 IP addresses per sub.

ADI

Ad Insertion

ADI-LZ

Ad Insertion Local and Zoned

Avail

An “available” part of the program stream where an authorized operator is allowed to replace the stream.

A time space offered to cable operators by cable programming services during a program for use by the CATV operator; the time can be sold to local advertisers or used for channel self promotion.

BTV

Broadcast Television

DPI

Digital Program Insertion

Duplicate stream

Two or more streams where the SSRC and group are identical.

DRM

Digital Rights Management

DSLAM

Digital Subscriber Line Access Multiplexer

ES

Elementary Stream

ESM

Enhanced Subscriber Management

FCC

Fast Channel Change

GOP

Group of Pictures

HD

High Definition

HGW

Home Gateway

IPTV

Internet Protocol Television

ISA

Integrated Services Adapter

LoT

Loss of Transmission

MSTV

Microsoft Television

NTP

Network Time Protocol

PID

Packet Identifier

PMT

Program Map Table

PON

Passive Optical Network

RAM

Reporting and analysis manager

RG

Routed Gateway

RET

Retransmission

RTCP

RTP Control Protocol

RTP

Real-Time Transport Protocol

SAP

Subscriber or service access point

Service Selection

One service may have many component streams (which undergo selection).

SSRC

Synchronization source

Stream Source

A sequence of packets which comprise a service. A stream can have different sources.

STB

Set Top Box

TS

Transport Stream

VoD

Video-on-Demand

VQM

Video Quality Monitoring