SRC Peer Support on MX Series Routers Overview

When the Juniper Networks routing platform supports the use of the Diameter protocol to provide extended authentication, authorization, and accounting (AAA) functionality, the SRC software can dynamically manage services on these devices. The SRC software uses the Diameter protocol for communications between the local SRC peer on a Juniper Networks routing platform, such as the Juniper Networks MX Series Ethernet Services Router, and the service activation engine (SAE). The local SRC peer is known as Junos OS (JSRC) and is part of the AAA application.

JSRC has the following responsibilities:

The SRC software enables the SAE to activate and deactivate subscriber services and log out subscribers. The SAE can control only those resources that have been provisioned through the SAE. Therefore, the SAE receives information about only those subscribers for whom JSRC has requested provisioning from the SAE. Similarly, the SAE can control only the subscriber services that it has activated.

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