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Polycom® RealPresence Collaboration ServerVirtual Edition Administrator’s Guide
2-16 Polycom, Inc.
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Resource Capacities for Mixed CP and SVC Conferences
In a mixed CP and SVC conference, video resources are allocated according to the MCU
type and the translation pools (AVC to SVC and SVC to AVC) used to convert video
streams. Translation pools are dynamically allocated, when the conference becomes a mixed
CP and SVC conference; resources are not released when the conference stops being a mixed
CP and SVC conference. The translation pools send one SVC to AVC stream with a
resolution of 360p, two AVC to SVC streams with a resolution of 360p and 180p for AVC
HD endpoints, and one video stream with a resolution of 180p for AVC SD endpoints.
When a video stream with a resolution of 360p is not available, a video stream with a
resolution of 180p is sent instead.
Translations between different endpoints can be done without using the highest resolution,
thus saving translation resources. CP video layouts in mixed CP and SVC conferences
support the standard resolutions as in normal CP conferences.
Taking these factors into consideration and the type of MCU deployed in the environment,
the resource capacities for a mixed CP and SVC conference can vary.
The following table describes an example of the resource capacity allocations for the
RealPresence Collaboration Server:
Name ID
Meeting Rooms
Maple_Room 1001
Oak_Room 1002
Juniper_Room 1003
Fig_Room 1004
Entry Queue
Default EQ 1000
Table 2-7 Estimated Resource Capacity Allocations
Resource Type Number of Available Ports
Mixed CP and SVC (HD) (Example) 20 AVC
90 SVC
HD720p30 40
SD (@ 30 fps) 40
SVC Only 60
CIF (@ 30 fps) 60