Avaya Configuring IP Multicasting and Multimedia Services Instrukcja Użytkownika Strona 29

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Multicasting and Multimedia Overview
117355-D Rev 00
1-5
Bay Networks Resource Manager
The Bay Networks Resource Manager lets you define a certain percentage of a
lines bandwidth as reservable. Applications that require a guaranteed quality of
service can negotiate for the reservable bandwidth. When the router honors a
reservation request, the Resource Manager allocates bandwidth from the
reservable bandwidth, reducing the bandwidth available for other requests.
For more information about reserving bandwidth using the Bay Networks
Resource Manager, see Chapter 8, “Reserving Line Resources.”
IGMP Relay
A router configured as an IGMP Relay (IGMP-R) device provides the following
services for an IP multicast router:
Solicits multicast group membership information by sending IGMP host
membership queries to hosts on its attached local networks
Receives host membership reports and unsolicited join messages from hosts
on its attached networks and forwards them to the attached multicast router
Forwards multicast data to group members on locally attached networks
For instructions on configuring IGMP Relay, see Chapter 9, “Configuring IGMP
Relay.”
Multicast Table Manager
The Bay Networks Multicast Table Manager (MTM) makes it possible for
different multicast protocols to work together on the same router. MTM does the
following:
Manages DVMRP and MOSPF
Provides multicast routing support for RSVP
Supports MOSPF special features
Supports multicast tools for tracing routes
Maintains a multicast forwarding cache
Forwards multicast traffic
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