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Accounting and Routing in the Internet

Accounting Traffic in the Internet Today

[the full article can be seen at http://www.internetsociety.org/sites/default/files/BGP-for-regulators.pdf]

Business Model Changes

In the past, voice traffic was transported over a dedicated voice infrastructure, and the data network infrastructure was established in parallel so that voice and data traffic did not interfere with each other. Traditional voice accounting and performance functions are standardized within SS7 (Common Channel Signaling System No. 7), the global standard for telecommunications, defined by the ITU-T. The success of data networks led to the development of techniques to encapsulate voice traffic in IP packets, and thus Voice over IP (VoIP) was born. Read More »

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History as a guide to SDN’s coming evolution

August 8, 2012 at 1:34 pm PST

I developed Intelligent Network (IN) services and platforms during the early 1990s.  With IN, Unix based controllers were connected to traditional telephone switches to perform both obscure as well as massively deployed phone services.  Some of these services had very large centralized routing databases controlling the ultimate trunk/path selection of calls. Read More »

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