Subject: Re: ICMP handling for a fragmented packet.
To: Rohit Dhawan <>
From: Manuel Bouyer <>
List: tech-net
Date: 03/20/2001 20:31:32
On Mon, Mar 19, 2001 at 08:13:56PM +0530, Rohit Dhawan wrote:
> Dear Charles & everyone,
>     I am developing a light weight protocol stack for a real time application. As one of the features of the stack, I need to develop a mechanism, wherein I can report to the application, which had sent a message to another task (on another card), if any errors occured in transmission.
>     Can somebody suggest an existing protocol which does a similar function or anything which might be helpful in this case.

TCP can do this, actually, although it may be overkill for what you want to
Anyway if you want a reliable way to know if an error occured you need an
ACK mechanism. A router which is down doesn't send ICMP messages :)

Manuel Bouyer <>