On Thu, 17 Oct 2002, Hesham Soliman (EAB) wrote: > > Optimistic DAD is a useful optimization because DAD is far more > > likely to succeed than fail, by a factor of at least > > 10,000,000,000 > > to one[SOTO]. This makes it worth a little disruption > > in the failure > > case to provide faster handovers in the successful case, > > as long as > > the disruption is recoverable. > > > > ==> this is totally, and completely wrong. [SOTO] only > > provide analysis > > in *some* cases, in particular autoconfigured vs privacy > > addresses. For > > manually assigned addresses, I believe the ratio is closer > > to 1:10 or > > 1:100 (unmeasurable, of course). > > => I think that manually configuring a CoA is not > something we should do or talk about in standards. > So it is probably not important to include it in > any useful (useable) statistics on the probability > of address duplication.
I agree, but the analysis was done on the specific case, not the generic case. The wording is wrong. The optimistic DAD extensions could be used outside of the MIPv6 context too! -- Pekka Savola "Tell me of difficulties surmounted, Netcore Oy not those you stumble over and fall" Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------