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hello,guys


"port" is a very important model concept for network program. I have some doubt about that concept now.

Maybe it is still necessary to discuss the definition details of port and give some suggestions.

For instance, when we connect a network to a router, neutron will create a interface for router, actually

it is implemented as a port. From the topology perspective, use "link" concept is more close to real

description. There is a question here: Does the network need a port to deploy control policy？I think so.

We can treat  "port "as a property of a kind of network node. Without the node, port willlose its

significance.So, shell we emphase the port  as a property in the network model? Looking forward to

everyone's opinions.


Thanks
Shixing  Liu
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