Note: This is a guest blog from Sorell Slaymaker
Ensuring voice/video quality across the WAN has never been easy, and now it is getting substantially harder with the introduction of WebRTC. We’ve published on the subject here:
Prepare for WebRTC’s Impact on Enterprise UCC
Summary: As an emerging standard, WebRTC has the potential to impact the enterprise UCC landscape as much as the move from digital to IP communications. Enterprise network managers, application developers and architects should start incorporating WebRTC into their UCC strategies.
In particular, ensuring voice quality under WAN congestion, so the audio portion of a video conference session is not interrupted when using a next generation conferencing solution based on WebRTC is a substantial challenge. Technical Details – WebRTC encrypts all traffic, and the voice/video UDP ports vary with each session, making traditional QoS schemas (based on ACLs) for prioritizing voice above video & data within the same WebRTC session extremely difficult.
Thus, we’re currently looking for vendor solutions that address this challenge – Vendors must classify traffic by not only IP address and UDP port, but also flow characteristics to ensure voice is prioritized higher than video and data, within the WebRTC stream. Vendors can use a WebRTC based UCC solution, such as Unify’s Circuit, Cisco’s Spark, Bistri or other WebRTC conferencing platform. If you have a solution to this challenge, please contact Sorell, we’ll post results in an upcoming blog.
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