VIDEO: Network World Canada at Interop New York, part 5 of 5
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Multicasting will be the next major trend
Manfred Arndt, distinguished technologist and convergence solutions architect for HP ProCurve, sat down with Network World Canada at the Interop business technology event in New York City to share his 20-year insight on SMB and enterprise networking.
“Multicasting is really more like a television broadcast and what is the same signal or the same packet…goes to everybody,” said Arndt. “This allows you to have very scalable solution. If you tried to send the same video session to 1000 employees, you’d have to replicate that 1000 times, which would overload the networks, which would also overload the servers.”
“In the next five years, multicasting will grow dramatically, on the Internet especially. Some people predict 50 per cent of traffic will be video-type content and much of that will be multicasting-driven. In the enterprises, it may be a little bit slower to adopt, but that clearly is one of the trends that you’re going to see.”
The challenge, according to Arndt, is unfamiliarity with the technology. “There are a lot of network administrators who might be very network savvy, but they really don’t know that much about multicasting. It’s really one of the newer areas in the field and is intimidating to a lot of them.”
“A much heavier emphasis on multicasting-type of applications will also bring a lot of big challenges on how to troubleshoot the network, because it’s a one-way communication without an acknowledgment. When things go wrong, it can be a little more tricky to diagnose. That’s why we have some of these technologies embedded in our switches, like S-flow,” he said.
In part four of our five-part video series, Arndt explains how S-flow sampling technology works with references to election polling.
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