Consumer Video Chat and Dilithium Networks

It seems like consumer video chat is set to grow – at least if you believe GigaOm’s research paper and Apple’s latest move with iPhone4 FaceTime service. There is though a huge install base that is being neglected here, which is the one that does mobile video telephony over 3G networks using 3G-324M. It has been around for years now, running across continents, operators and handset vendors. You can read more about its past and future at Vision Mobile. A (read more...)

By Tsahi Levent-Levi  |  August 19th, 2010  |  Filed under Protocol stacks
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You voted: Communication protocols should be penknives

Last month I asked the question do communication protocols need to be Swiss Army Knives or penknives. I also asked the same question in LinkedIn Answers. The (almost) unanimous answer I got was penknives. The best part of it was actually getting two great acronyms to use for that do-it-all protocol: Steve Michelson suggested GPPTDE: General Purpose Protocol That Does Everything Cedric Mauvielle suggested SAKF: Swiss Army Knife Protocol Cedric believes a SAKF (or a GPPTDE) (read more...)

By Tsahi Levent-Levi  |  August 4th, 2008  |  Filed under Protocol stacks
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Do we need a Swiss army knife as a communication protocol?

You can do everything with SIP: Voice over IP, video telephony, presence, instant messaging, SMS, MMS and much more. Sometimes it feels like SIP is a protocol invented by a salesman: “Oh, you are looking for a solution that starts the microwave when you get to your driveway after a long day? Sure we have it – SIP!”Last week I wrote about XMPP versus SIMPLE, where both are used for presence and SIMPLE and utilize SIP for its transport. A (read more...)

By Tsahi Levent-Levi  |  July 21st, 2008  |  Filed under Protocol stacks, Standardization
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4 most important characteristics of a good protocol stack

The way in which communication standards are implemented is usually done through protocol stacks. Companies will usually acquire such stacks from third parties and not implement and maintain on their own. How does one select a protocol stack? What makes a protocol stack of one vendor better than that of another? 1. Support Support is definitely the most important aspect of a protocol stack. VoIP products are complex – developers building such products will need all the help they can (read more...)

By Tsahi Levent-Levi  |  January 17th, 2008  |  Filed under Protocol stacks
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