Communication between the NSP and external systems

Overview

The following diagrams illustrate the various components of the NSP and its internal communications, as well as communications with external systems.

The following figure shows a standalone NSP deployment and its communications with external systems.

Figure 6-1: Standalone NSP deployment
Standalone NSP deployment

Connection

Usage

1

Web Client/REST API client connections. REST over HTTPS secured with TLS

2

SSO authentication (secure), zookeeper registration (secure), neo4j database (non-secure), kafka (secure), NFM-P API (secure), Data connection – CPROTO protocol secured with TLS, PKI server communications

3

NE mediation using SNMP and FTP/SCP

4

NE mediation using gRPC/gNMI, SNMP, NETCONF, SSH, ICMP

5

Data connection – CPROTO (non-secure)

6

BGP-LS (supports GTSM), PCEP (secured by TLS), OpenFlow communications (secured by TLS) * Note

7

SSO authentication (secure), zookeeper registration (secure), REST over HTTPS secured with TLS, proprietary HTTP with WS-NOC, PKI server communications

8

NE mediation with SNMP and TL-1

9

syslog notifications secured with TLS

10

Mediator communications with external controller, REST/RESTCONF secured with TLS

11

LDAP, RADIUS, TACACS communications with remote authentication servers

12

SMTP, SMTPS, STARTTLS communication with email server

Note: VSR-NRC supports secure PCEP and OpenFlow communications in specific releases. See the SR OS documentation for details.