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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 12,870 of 14,669   
   Pascal Hambourg to All   
   Re: Netmask and broadcast addresses...   
   22 May 09 00:00:44   
   
   From: boite-a-spam@plouf.fr.eu.org   
      
   Hello,   
      
   Rick Jones a écrit :   
   >   
   > If, in the unlikely but plausible event of multiple IP subnets sharing   
   > the same broadcast domain, one sends to 255.255.255.255 it will be   
   > accepted by hosts in all the disparate IP subnets sharing that   
   > broadcast domain yes?  That being the case, if one wanted to make sure   
   > that only hosts in the same IP subnet receive the broadcast, one   
   > should use the subnet-local/directed broadcast address.   
      
   Good point, but this feature of the "subnet broadcast" does not seem to   
   have been considered useful enough, because it does not exist any more   
   in IPv6 : there is no "prefix multicast" address (IPv6 replaced all   
   broadcast with multicast), only an "all nodes" link local multicast   
   address, ff02::1 received by all nodes on a link. There is only a prefix   
   anycast address, which is the first address of a prefix, and is directed   
   to the "nearest" router attached to that prefix.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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