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SDN as an Abstraction Layer

During the Introduction to SDN webinar I covered numerous potential definitions:

I find all of these definitions too narrow or even misleading. However, the “SDN is a layer of abstraction” one is not too bad (see also RFC 1925 section 2.6a).

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  1. It is a marketing term for the fashion people. So defining it as a technology term is more or less hopeless... :-)