[En-Nut-Discussion] Network Link state on at91_emac and others

[Alain M.]

Harald Kipp escreveu:
> 
> I will not getting tired to argue, that TCP is designed to keep 
> connections on broken links.

I agree

> I will not getting tired to argue, that dropping connections on Ethernet 
> link loss will not solve any problem.

I agree

> I will not getting tired to argue, that implementing keepalive is the 
> only correct way to detect broken links.

I agree, and even more, that in 99% of the situations it should be 
implemented at the application level.

> I will not getting tired to argue, that keepalive, if implemented, must 
> be disabled by default.

I agree, it could even be conditional compile. The problem with 
keep-alive inside TCP is that it does not in the least help to solve 
application problems, specially reconnect.

Alain