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protocol information but it doesn't define any interfaces for the protocol
implementation as such. Our framework bridges this gap by defining a uniform
API&nbsp; for the different flow protocols like RTP and SFP while taking
care of the variations using a Policy interface. We solve this with our
Pluggable Protocol Framework using design patterns like Layer,
<br>Acceptor, Connector, Facade and Abstract Factory. Please look at this
<a href="http://www.cs.wustl.edu/~naga/pluggable_av.ps.gz">paper</a>
for mor