On 28 Mar 2007, at 08:09, Gorry Fairhurst wrote: ...
Applications that want keepalives should define some corresponding data format: a one-byte datagram would suffice.Not sure I agree, I'd rather the apps called-down to the transport using a control function and asked them to do this.
I'm inclined to agree with Gorry. Keeping NAT bindings alive would seem to be part of connection establishment and maintenance, which is squarely in the domain of the transport layer.
Colin
