Avaya Configuring APPN Services Instrukcja Użytkownika Pobierz pdf (Strona 37)

Advanced Peer-to-Peer Networking Overview

308963-14.00 Rev 00

1-19

Figure 1-10. HPR ANR Routing and Packet Handling Operations

APPN Services

The APPN services on the NN include:

• Session services

• Directory services

• Topology and routing services

• Configuration services

• Management services

Session Services

Session services (SS) generates unique session identifiers, activates and

deactivates CP-CP sessions to exchange network information, and assists LUs in

initiating and activating LU-LU sessions. Session services:

• Invokes directory services to locate a partner LU

• Invokes topology and routing services (TRS) to calculate the optimal route

between the origin and destination node

• Informs management services (MS) about newly activated or deactivated

CP-CP sessions

RTP Connection

NN1

Sending Endpoint Node

NN3

Receiving Endpoint Node

NN2

Intermediate Node

Sessions Sessions

A1 C5

A1 C5 FF Data C5 FF Data

A1 Stripped off at NN2 Before Delivery to NN3

APN0010A

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 149 150

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Avaya Configuring APPN Services Instrukcja Użytkownika Strona 37