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Chapter 2-Conference Profiles
Polycom, Inc. 2-17
The first four resource types in the resource capacity allocations table are endpoints in a CP
only conference or a mixed CP and SVC conference before the actual resource allocations
occur.
In a mixed CP and SVC conference, video resources are used according to the amount of
both AVC and SVC participants in the conference and according to the actual type of the
conference - mixed CP and SVC conferences or CP only conferences. The ratio of resources
in a mixed conference is one AVC HD (720p30) video resource to three SVC video resources,
meaning for each AVC HD video resource, three SVC video resources can be allocated.
In this resource capacity allocations example, the mixed CP and SVC conference can allocate
a combination of AVC and SVC ports depending on the endpoints that are defined in the
actual conference. For example, a conference can be defined as a mixed CP and SVC
conference but will only allocate resources as a mixed conference when both AVC and SVC
endpoints join the conference. When there are only one resource type of endpoints
participating in the conference, such as AVC or SVC, the resource allocations are assigned
according to the type of endpoint. For instance, a mixed CP and SVC conference with HD
endpoints assigned, can have 60 or 120 ports allocated depending on the server
configuration. When an SVC endpoint joins the conference, the conference becomes an
actual mixed conference and the resource allocations are divided between the AVC and SVC
endpoints. The Resource Report will reflect this by showing an increase in the resource
usage.
The following diagram illustrates the amount of AVC to SVC port resources that are used in
an actual mixed CP and SVC conference: