Avaya Configuring IP Multicasting and Multimedia Services Uživatelský manuál stáhnout pdf (Strana 122)

Configuring IP Multicasting and Multimedia Services

7-2

303527-A Rev. 00

How RSVP Works

A network host that wants to establish a dataflow with a specified QoS sends an

RSVP path message addressed to a potential receiving host or group of hosts. In

Figure 7-1, for example, a host sends a multicast RSVP path message to a group

of four hosts. Routers in the network receive the multicast RSVP messages and

forward them to the next-hop router until the messages reach their host

destinations. The sequence of networks and routers that a path message traverses

from source to destination establishes the path for the proposed dataflow.

Figure 7-1. RSVP Path Message

IP00057A

Sender

Receiver

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Avaya Configuring IP Multicasting and Multimedia Services Uživatelský manuál Strana 122