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wg-multicast - Re: [Mtp] the more things change, the more they stay the same

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Re: [Mtp] the more things change, the more they stay the same


Chronological Thread 
  • From: Bill Fenner <>
  • To:
  • Cc: , , , ,
  • Subject: Re: [Mtp] the more things change, the more they stay the same
  • Date: Thu, 10 Jul 2003 10:03:49 -0700
  • Versions: dmail (solaris) 2.5a/makemail 2.9d

>Can an application send a UDP or TCP based packet with router alert
>in the IP header without special privileges?

In the sockets interface, yes - the IP_OPTIONS socket option is not
privileged.

>Perhaps, though you can't simply remove "G" from the header. It has to
>be preserved somewhere.

Actually the model that Tom is talking about sounds kind of like
REUNITE (Infocom 2000), which just uses unicast address+port pairs
to identify multicast groups.

Bill


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