From: m@rtij.nl.invlalid   
      
   On Wed, 01 May 2013 11:15:19 -0400, Barry Margolin wrote:   
      
   > In article ,   
   >  Martijn Lievaart  wrote:   
   >   
   >> On Tue, 30 Apr 2013 11:25:51 -0400, Mark wrote:   
   >>   
   >> > Hi All,   
   >> >   
   >> > Reading RFC791:   
   >> > "Every internet module must be able to forward a datagram of 68   
   >> > octets without further fragmentation. This is because an internet   
   >> > header may be up to 60 octets, and the minimum fragment is 8 octets."   
   >> >   
   >> > Does it mean that it's possible to have IP packet carrying UDP   
   >> > payload of size 0 ?   
   >>   
   >> Yes.   
   >   
   > But that's not implied by the above requirement. RFC 791 is about IP,   
   > which may be used by many different transport protocols.  Even if UDP   
   > didn't allow zero-length payloads, some other protocol might.   
      
   You're correct, you cannot conclude UDP allows a 0 byte payload from the   
   text above. However, UDP does allow for a 0 byte payload.   
      
   M4   
      
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