Sdp Binding; Figure 4: Sdp Tunnel Pointing From Alu-A To Alu-B - Alcatel-Lucent 7705 Service Manual

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Service Entities

SDP Binding

To configure a distributed service pointing from ALU-A to ALU-B, the SDP ID on the

ALU-A side (see

service to the tunnel (the SDP). Otherwise, service traffic is not directed to a far-end point

and the far-end 7705 SAR device(s) cannot participate in the service (there is no service). To

configure a distributed service pointing from ALU-B to ALU-A, the SDP ID on the ALU-B

side must be specified.

An SDP tunnel from the local device (typically, a 7705 SAR) to the far-end device

(router) requires a return SDP tunnel from the far end back to the local device. Each

device must have an SDP defined for every remote router to which it wants to

provide service. The SDP must be created before a distributed service can be

An SDP can be used to provide PW redundancy, where up to four spoke SDPs can

be assigned to a service endpoint that acts as the managing entity to ensure service

connection. See

Pseudowire Redundancy on page

4) must be specified during service creation in order to bind the

7705 SAR OS Services Guide