Yes, you're right. My mistake. Anoop
On Fri, Apr 10, 2015 at 12:49 PM, Larry Kreeger (kreeger) <[email protected] > wrote: > I thought Path MTU discovery was used to set the MSS in the TCP stack. > I just wasn't sure if it worked the same way for UDP. > > - Larry > > From: Anoop Ghanwani <[email protected]> > Date: Friday, April 10, 2015 12:10 PM > To: Larry Kreeger <[email protected]> > Cc: Lizhong Jin <[email protected]>, Lucy yong <[email protected]>, > Erik Nordmark <[email protected]>, "[email protected]" <[email protected]> > Subject: Re: [nvo3] Encapsulation considerations > > Even for TCP it depends on what the MSS is. > > Anoop > > On Fri, Apr 10, 2015 at 11:55 AM, Larry Kreeger (kreeger) < > [email protected]> wrote: > >> On 4/9/15 7:22 PM, "Lizhong Jin" <[email protected]> wrote: >> >> >>-----Original Message----- >> >>From: Lucy yong [mailto:[email protected]] >> >>Sent: 2015年4月9日 22:28 >> >>To: Lizhong Jin; 'Erik Nordmark'; [email protected] >> >>Subject: RE: [nvo3] Encapsulation considerations >> >>Lizhong, >> >>[snip] >> >> [Lizhong] If the NVE and tenant is integrated into one device, then >> >>the issue >> >>could be solved by implementation. Because tenant know the entropy value >> >>of >> >>the first segment, and use the same value to the subsequent segment. So >> >>different implementation model could provide different entropy value. Or >> >>do we >> >>need other mechanism to mitigate this issue, e.g., fragment on NVE in >> >>draft-herbert-gue-fragmentation. >> >>[Lucy] IMO: NVO3 solution SHOULD avoid packet fragmentation. >> >>Draft-herbert-gue-fragmentation provides an option for a GUE application >> >>to do >> >>fragmentation but does not require doing it. GUE application decides if >> >>the >> >>fragmentation is needed or not. We should not separate two. >> >[Lizhong] fragmentation could not be avoided, because we are unable to >> >prevent >> >the tenant from fragmentation. This is the factor which makes the hashing >> >based >> >load balancing unoptimized. >> >> I'm not very familiar with host stacks. Do they actually fragment at >> the >> IP layer, or is it done at the transport layer before adding the IP >> header? I'm sure TCP must break the segments up before IP would fragment, >> but I'm not sure about UDP. >> >> - Larry >> >> _______________________________________________ >> nvo3 mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/nvo3 >> > > > _______________________________________________ > nvo3 mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/nvo3 > >
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