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Speaking Radio, Data and Telephone
by Andrew McCaskey
Speaking Radio and Telephone
The recent problems and the virtual collapse of the AT&T network from overload congestion with iPhone data traffic has received a lot of press. Now, some hope that the problem may not be as serious as thought: although someone will end up with some serious explaining to do. It appears that at last some of the problems may be due to misconfiguration of routers in the AT&T network.
The problem is in the cross disciplinary nature of the beast. A telephone company has to employ radio in a data networking problem. In addition to the organizational challenges, there’s a cultural one as well. I’ve observed each of the three worlds up close (adding maybe a fourth one with broadcast engineers) and there is absolutely a total difference in vocabulary, approach, standards and expectations.
The wireline engineers in control of some of the settings that put “maximum buffering” into the system – resulting in ping times up to eight seconds. What should have happened is much smaller buffers that would allow short term blockage to occur and then prompt temporary but automatic fallback in speed that would have removed the congestion. Add in radio effects of jitter with mobiles in motion, and it’s a wonder the system ever settles in as well as it does.
Sean Parker’s Web 2.0 Summit Presentation
New Era of Network Service
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