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About LifeSize Multipoint Topologies
A
L
S
BOUT
IFE
IZE
M
ULTIPOINT
T
OPOLOGIES
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ENTRALIZED
T
OPOLOGY
C
ASCADED
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ONFERENCES
8
LifeSize Multipoint Installation Guide
The LifeSize Multipoint can work in a centralized or cascaded topology. This
section describes these two options.
In a centralized topology, the LifeSize Multipoint performs media processing for
all connected terminals. The LifeSize Multipoint can handle multiple
conferences simultaneously.
The LifeSize Multipoint allows you to combine two or more conferences
resulting in a larger conference with many more participants. This is called
cascading. Cascading creates a distributed environment that helps reduce the
drain on network resources. In addition, the processing resources required by the
LifeSize Multipoint are distributed between participating LifeSize Multipoints.
Costly telephone or ISDN line usage can be further reduced with the mediation
of a gateway.
Cascading occurs when one conference with "x" number of participants invites
another conference with "y" number of participants. The two conferences
effectively become one large conference. The bandwidth required across a
cascaded conference link is only that of one audio/video stream between the two
conferences. This is significantly less than the accumulated bandwidth of all the
participants. Each separate LifeSize Multipoint unit participating in a
conference retains control of its individual conference resources and
participants.
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