Re: T2 Retry with Delivery Receipt

From
System
Date
2001-09-20T10:57:00+00:00
ID
Thread
Re: T2 Retry with Delivery Receipt
+1

TCP barring a MITM attack ensures that there is lossless
transmission of the message between the TCP endpoints
of the message is not "received".

Cheers,

Chris

Martin W Sachs wrote:
>
> You are still postulating that there are transmission errors that won't be
> caught by either TCP or the underlying physical transport.  You need to
> make a convincing case that the can happen.
>
> Regards,
> Marty
>
> *************************************************************************************
>
> Martin W. Sachs
> IBM T. J. Watson Research Center
> P. O. B. 704
> Yorktown
Hts, NY 10598
> 914-784-7287;  IBM tie line 863-7287
> Notes address:  Martin W Sachs/Watson/IBM
> Internet address:  mwsachs @ us.ibm.com
> *************************************************************************************
>
> "David Fischer" <> on 09/19/2001 10:43:42 PM
>
>
To:
Martin W Sachs/Watson/IBM@IBMUS
> cc:
"Dan Weinreb" <>, <>
>
Subject:  RE: T2 Retry with Delivery Receipt
>
> Actually NRR is exactly for making sure that the message arrived intact,
> either
> as a protection from transmission failures or from security breaches (e.g.
> man-in-the-middle attack).  It might be pretty bad if I ordered 2 items and
> there was a transmission failure and it got changed to 1,000,002 (actually
> it
> would be more binary than that).  The signature assures the To Party that
> it did
> not change and NRR assures back to the From Party that it did not change
> (round
> trip).
>
> David Fischer
> Drummond Group.
>
>