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Bandwidth control overview
Bandwidth control on the VCS
The TANDBERG VCS allows you to control
the amount of bandwidth used by endpoints
on your network. This is done by grouping
endpoints into subzones, and then applying
limits to the bandwidth that can be used:
•
within each subzone
•
between a subzone and another subzone
•
between a subzone and a zone.
Bandwidth limits may be set on a call-by-call
basis and/or on a total concurrent usage basis.
This flexibility allows you to set appropriate
bandwidth controls on individual components
of your network.
This section describes the different types of
subzones and how to add and configure them,
and explains how to use
Links
and
Pipes
apply bandwidth controls between subzones
and zones.
Calls will fail if links are not
!
configured correctly. You can check
whether a call will succeed, and what
bandwidth will be allocated to it, using the
xCommand
CheckBandwidth.
command
For specific information about how
bandwidth is managed across peers in
a cluster, refer to the section
Sharing
bandwidth across
peers.
Overview and
Introduction
Getting started
status
D14049.05
February 2009
The diagram below shows a typical network deployment:
•
a broadband LAN between the Enterprise and the internet, where high bandwidth calls are acceptable
•
a pipe to the internet (Pipe A) with restricted bandwidth
•
two satellite offices, Branch and Home, each with their own internet connections and restricted pipes.
In this example we have created new subzone for each pool of endpoints, so that we can apply suitable limitations to the bandwidth used within and
between each subzone based on the amount of bandwidth they have available via their internet connections.
HEAD OFFICE
to
System
VCS
configuration
configuration
Example network deployment
VCS CONTROL
Pipe A
Default
Subzone
Zones and
Call
Bandwidth
neighbors
processing
control
121
TANDBERG
VIDEO COMMUNICATIONS SERVER
HOME OFFICE
INTERNET
Pipe B
Home Office
Subzone
Pipe C
BRANCH OFFICE
Branch Office
Subzone
Firewall
Applications
Maintenance
traversal
ADMINISTRATOR GUIDE
Appendices
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