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Local Zone and subzones
Overview
The collection of all endpoints, gateways, MCUs and Content
Servers registered with the VCS make up its
The Local Zone is divided into subzones. These include an
automatically created
Default Subzone
and up to 100 manually
configurable subzones. Each manually configured subzone
specifies a range of IP addresses. When an endpoint registers
with the VCS it is allocated to the appropriate subzone based
on its IP address. If the endpoint's IP address does not match
any of the subzones, it is assigned to the Default Subzone. The
Local Zone may be independent of network topology, and may be
comprised of multiple network segments.
The VCS also has two special types of subzones. The first is the
Traversal
Subzone, which is always present (see the
Subzone
section for more information). The second is the
Cluster
Subzone, which is only present when your VCS is part of
a cluster (see the
Cluster Subzone
section for more information).
Overview and
Introduction
Getting started
status
D14049.05
February 2009
Bandwidth management
Local
Zone.
The Local Zone's subzones exist for the purposes of bandwidth
management. Once you have set up your subzones you can apply
bandwidth limits to:
•
individual calls between two endpoints within the subzone
•
individual calls between an endpoint within the subzone and
another endpoint outside of the subzone
•
the total of calls to or from endpoints within the subzone.
For full details of how to create and configure subzones, and
apply bandwidth limitations to subzones including the Default
Subzone and Traversal Subzone, see the chapter on
Traversal
control.
System
VCS
configuration
configuration
Configuring the Local Zone and its subzones
Bandwidth
Zones and
Call
Bandwidth
neighbors
processing
control
74
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VIDEO COMMUNICATIONS SERVER
Local Zone matches
One of the functions of the VCS is to route a call received from
a locally registered endpoint or external zone to its appropriate
destination. Calls are routed based on the address or alias of
the destination endpoint.
When searching for a destination endpoint, the VCS will search
its Local Zone and external zones. You can prioritize the order in
which these zones are searched, and filter the search requests
sent to each zone, based on the address or alias being searched
for. This allows you to reduce the potential number of search
requests sent to the Local Zone and out to external zones, and
speed up the search process.
For further information on how to configure the Local Zone
Matches and the overall process for searching zones, see the
Zone searching and transforming
section.
Firewall
Applications
Maintenance
traversal
ADMINISTRATOR GUIDE
Appendices
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