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  5. Bandwidth Dominates Videoconferencing Concerns: Page 2 of 2
Networking

Bandwidth Dominates Videoconferencing Concerns: Page 2 of 2

A new study shows that companies are expanding their use of videoconferencing, but many worry that they may not be able to keep up with the network bandwidth demands of the technology. The concerns are documented in a survey that looks at three networking-related issues: video, cloud computing and application management. In the first of a three-part series, Network Computing looks at videoconferencing and the network.
March 14, 2012

Concern about video quality is to be expected, says Thompson, because companies want to make sure they get it right.

“Everybody wants to make sure that when they deploy these types of technologies that they have a high level of expectation from new users, of course, and they want to be able to meet that high level of expectation,” he says.

Thompson adds that videoconferencing quality standards are still in the development phase. Metrics like packet loss, latency and jitter, which are used to measure the quality of Voice over IP (VoIP) audio calls, are also applied to video. But video needs an additional metric, codec, which is short for “code-decode,” the process of coding a video transmission on the sending end and decoding it on the receiving end.

“Today there’s not a lot of great standards out there to define what is a good score for a video,” he says.

Adoption and concerns about cloud computing will be in the second installment of this series.

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