External NSP communication

Introduction

The NSP provides a number of external interfaces to the client and mediation networks, as shown in the following figure. Each external interface is secured using TLS.

Figure 7-2: External NSP interfaces

Client network

The following table lists the consumers associated with each NSP client interface shown in Figure 7-2, External NSP interfaces.

Table 7-1: NSP client interfaces and consumers

Interface	Consumers
C1, C2, C4	Web clients NSP OSS clients NFM-P OSS clients
C3	NFM-P GUI clients
C5	External Syslog server External authentication source External e-mail server

Mediation network

The following table lists the function of each NSP mediation interface shown in Figure 7-2, External NSP interfaces.

Table 7-2: NSP mediation interfaces and functions

Interface	Function
M1	Optical network mediation using SNMP, TL1
M2	VSR-NRC network mediation using BGP, PCEP, PCEPS
M3	Legacy network mediation using SNMP, TL1
M4	IP NE mediation using gRPC/gNMI, SNMP, NETCONF, SSH NE communication using CLI via SSH
M5	Mediator communication with external controller REST/RESTCONF API
M6	AA Cflowd or System Cflowd statistics using secure file transfer