Re: [re-ECN] Charter Question

Correction to my last message:

"What will those routers do with that information?"

                           Ron

On 5/7/2010 10:58 AM, Ron Bonica wrote:
> Folks,
> 
> Please excuse a simple question from an AD who has not followed your
> work very closely:
> 
> About ten years ago, the IETF sponsored work regarding the Explicit
> Congestion Notification (ECN). In this strategy, a router determines
> that it is about to forward a packet over a link that is running hot,
> but not so hot that it is obliged to discard the packet. So, the router
> marks the packet's ECN bits and forwards the packet over the hot link.
> The endpoints respond appropriately.
> 
> As far as I understand, the difference between the proposed work CONEX
> and ECN is that "The mechanism to be developed by the CONEX WG
> will enable the sender to also relay the congestion information
> back into the IP layer, such that the total level of congestion is
> visible to all IP devices along the path."
> 
> When you say "the IP layer", I assume that you mean "other routers on
> the path between the two endpoints". Do I have this right?
> 
> If I do have this right, who will those routers use this information?
> 
>                                       Ron
> 
> 
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