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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 command
xCommand
CheckBandwidth.
For specific information about how
bandwidth is managed across peers in
a cluster, see the
Sharing bandwidth
across peers
section.
Overview and
System
Introduction
status
configuration
D14049.07
March 2010
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 subzones 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
VCS
Zones and
configuration
neighbors
Example network deployment
VCS CONTROL
Pipe A
Default
Subzone
Clustering and
Call
Bandwidth
peers
processing
control
118
TANDBERG
VIDEO COMMUNICATION 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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