03-04-2011 11:41 AM
Hi all,
I have a WAAS network running WAAS 4.3.1. Today I am only using WAAS for data traffic acceleration and I am looking into leveraging WAAS for video and voice traffic optimization if that can be done and I have a few questions. I am running a Cisco VoIP and Tandberg video conferencing environment and I would like to find out if WAAS can be used to optimize and save bandwidth on voice / video calls going across the WAN.
- Has anyone using WAAS for voice / video traffic ? Please share your experiene !!!
- Is there any additional license on the WAAS box that I need to get to enable WAAS for voice and video traffic ? currently I have the Enterprice license enabled.
Thanks in advance !!!
D.
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03-04-2011 01:02 PM
Hi D,
About the Voice acceleration, VoIP control is and should be in pass thru as per the default policies in the device.
About Video, you certanly can accelerate video traffic. You will need additional license for Video.
WAE7341-1#sh lic
License Name Status Activation Date Activated By
-------------- ----------- --------------- --------------
Transport not active
Enterprise active 03/01/2011 admin
Video not active
WAE7341-1#
There is RTSP classifier that will optimzie the streaming video traffic.
More details here:
Configuring Video Acceleration
Hope this helps.
Regards.
03-09-2011 04:47 PM
Hi D,
I personally never verified this but wanted to share my experience that WAAS Video AO provides stream-splitting for Windows RTSP live streaming. Thus a single live stream can be requested across the WAN for many viewers at the remote site, thus saving BW. The WAE will also perform what is known a roll-over when the remote client makes a request for RTSP/UDP to change to RTSP/TCP. This allows WAAS to perform the Stream Splitting since WAAS only operates on TCP flows. In some cases, it simply denies the player's request to start an RTSP UDP stream. That causes the player to "roll over" to the next available protocol which is usually TCP, and to request a stream using that protocol.
Hope this helps.
Regards.
03-04-2011 01:02 PM
Hi D,
About the Voice acceleration, VoIP control is and should be in pass thru as per the default policies in the device.
About Video, you certanly can accelerate video traffic. You will need additional license for Video.
WAE7341-1#sh lic
License Name Status Activation Date Activated By
-------------- ----------- --------------- --------------
Transport not active
Enterprise active 03/01/2011 admin
Video not active
WAE7341-1#
There is RTSP classifier that will optimzie the streaming video traffic.
More details here:
Configuring Video Acceleration
Hope this helps.
Regards.
03-04-2011 01:39 PM
Hi Bhavin and thanks for helping me out.
Will WAAS accelerate live video traffic ? for instant like video conferencing call traffic (not video streaming traffic)
Thanks again
D.
03-09-2011 04:47 PM
Hi D,
I personally never verified this but wanted to share my experience that WAAS Video AO provides stream-splitting for Windows RTSP live streaming. Thus a single live stream can be requested across the WAN for many viewers at the remote site, thus saving BW. The WAE will also perform what is known a roll-over when the remote client makes a request for RTSP/UDP to change to RTSP/TCP. This allows WAAS to perform the Stream Splitting since WAAS only operates on TCP flows. In some cases, it simply denies the player's request to start an RTSP UDP stream. That causes the player to "roll over" to the next available protocol which is usually TCP, and to request a stream using that protocol.
Hope this helps.
Regards.
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