Re: M2PA: Link alignment when proving omitted
"Brian F. G. Bidulock" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Organization | http://www.openss7.org/ |
| Message-ID | <[email protected]> |
Soni, Please see answers below... Soni Goel wrote: (Fri, 29 Jun 2007 13:25:08) > Hi Brian, > > I understand your point. LSA should not be resent and timer T2 not > restarted when M2PA is in Initial Alignment. > > When timer T2 expires, an out-of-service indication sent to MTP3. Now > the alignment procedure will be restarted at M2PA only when MTP3 retries > start to M2PA. > > Some more queries as follows - > 1) Above understanding should be valid for both proving or no proving > right? Yes. > If not, why? > > 2) On similar grounds, M2PA in Out-of-service state, should also not > send LSOOS in "response to" LSOOS received from peer because this will > again cause continuous transmission of LSOOS messages. This should again > be valid for both proving or no proving right? If not why? Yes. > > 3) M2PA may resend LSA (Not Aligned state, timer T2 running) or LSOOS > (Out-of-service state) at some implementation dependent periodic > interval. Right? Yes. But it is not expected to do so. > > 4) M2PA in Aligned Ready state should ignore any LSA messages, in case > of only "no proving". > If proving is enabled, it will be done successfully before Ready is sent > to peer, and if LSA is received now, the link needs to be > out-of-service. Right? Yes. --brian -- Brian F. G. Bidulock [email protected] http://www.openss7.org/