Re: [DNA] Model: how to treat "link down" events

[JinHyeock Choi <jinchoe@gmail.com>]

Dear Bernard

> I'd argue that tearing down TCP connections based on LINK DOWN is a bad idea
> on any media.  I have pulled my Ethernet cable out of the switch port, only
> to connect it on another port a few seconds later.  Why can't the TCP/IP
> implementation be resilient to that?  It's really just another type of route
> flap.

Allow me an hair splitting argument. :-) In the above example, I
assume that, after a few secs later, the etheret cable is connected to
the same link. In case it is connected to a different link, I think
TCP/IP connections should be torn down and re-established.

Best Regards

JinHyeock