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© 2010 Taylor & Francis Group, LLC
So, we think that decoupling network control program and network
applications physically would be a good choice.
As CPF requires routing table and interface table proactively at
any time, we designed the OFPT_NSM_REQUEST packet to sup-
port CPF sending such requirement to Nox+. Besides, OpenRouter
generates the routing change information and the sampling informa-
tion in real time and pushed it to CPF proactively. ese two kinds of
methods of acquiring data from Nox+ are not the same. e former
is proactively requiring, and the latter is passively receiving. So, the
communication method must support both of the needs.
For the need of requiring a full table, we designed a type of mes-
sage named Require. ...