Re: Buffer size on Gateway (spoofer)

From: Jacob Heitz ([email protected])
Date: Wed Apr 22 1998 - 11:51:41 EDT


kim yong sin wrote:
>
> (It is posted TCPPEP before)
>
> If gateway (spoofer) sends spoofing ack to TCP sender, It should be
> responsible
> acked data packets.
> So, gateway must queue packets until receive original ACK.
> I'm worrying So much buffer size is needed in gateway especially in
> Satellite Environment.
>
> Is it my imagined fear ?
>
> Thanks.
>
> --------------------------------------
> Yong-sin Kim. DCN-SSU-KOREA.
> Lab:02-820-0823 Pager:015-101-3904
> --------------------------------------

Fear is real.
Lots of buffer is good.
If you have no buffer to queue the packet, don't ack the TCP sender.

-- 
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* Jacob Heitz         Tel:510-747-2917/Fax:2859   home:510-888-9429 *
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