Hi Cathy, Thank you for considering my thoughts. Please do reach out to S-BFD authors or the BFD WG list if you have any questions around its functionality.
-Nobo > -----Original Message----- > From: Zhouqian (Cathy) [mailto:[email protected]] > Sent: Tuesday, April 29, 2014 8:56 PM > To: Nobo Akiya (nobo); [email protected] > Cc: [email protected] > Subject: RE: Mail regarding draft-tsou-softwire-bfd-ds-lite > > Hi Nobo, > Thanks for the pointer. We will consider referring to this document in the > next version. > > Best Regards, > Cathy > > > > -----Original Message----- > > From: Nobo Akiya (nobo) [mailto:[email protected]] > > Sent: Tuesday, April 29, 2014 6:01 AM > > To: Zhouqian (Cathy); [email protected] > > Cc: [email protected] > > Subject: RE: Mail regarding draft-tsou-softwire-bfd-ds-lite > > > > Hi Cathy, > > > > Thanks for replies on both of my questions. Your answers align exactly > > with my understanding of the proposed. > > > > There's a new work brewing in the BFD WG: S-BFD. That might fit nicely > > to your > > needs: single-sided continuity check (from B4) where AFTR can remain > > stateless (no need to configure BFD sessions on AFTR for each B4). > > > > https://datatracker.ietf.org/doc/draft-akiya-bfd-seamless-base/ > > > > -Nobo > > > > > -----Original Message----- > > > From: Zhouqian (Cathy) [mailto:[email protected]] > > > Sent: Monday, April 28, 2014 5:30 AM > > > To: Nobo Akiya (nobo); > > > [email protected] > > > Cc: [email protected] > > > Subject: RE: Mail regarding draft-tsou-softwire-bfd-ds-lite > > > > > > Hi Nobo, > > > Sorry for late reply. Please see inline. > > > > > > Best Regards, > > > Cathy > > > > > > > > > > -----Original Message----- > > > > From: Softwires [mailto:[email protected]] On Behalf Of > > > > Nobo Akiya > > > > (nobo) > > > > Sent: Thursday, April 17, 2014 9:56 PM > > > > To: [email protected] > > > > Cc: [email protected] > > > > Subject: [Softwires] Mail regarding > > > > draft-tsou-softwire-bfd-ds-lite > > > > > > > > Hi Authors, > > > > > > > > Couple of questions around proposed the BFD solution. > > > > > > > > 1. Is the goal for B4 to detect [lack of] reachability to AFTR? Or > > > > does the goal include AFTR to keep state of which B4s are *speaking to > it*? > > > > > > > > > It depends on specific technology, e.g., if PCP is used, AFTR does > > > not keep the state of which B4s it is speaking to . > > > But if some bidirectional technology is used, e.g., BFD, AFTR will > > > keep the state. > > > > > > > > 2. It's fairly clear how BFD session can be > > > > instantiated/maintained on > > > > B4 (to AFTR). However, I'm not clear on how BFD sessions are > > > > instantiated/maintained on AFTR (to B4s). Is there some sort of > > > > automatic mechanism, or is this configured? > > > BFD sessions could be sent from AFTR only after B4 firstly initiated > > > the session. So the answer is that this is configured. > > > > > > > > -Nobo > > > > > > > > _______________________________________________ > > > > Softwires mailing list > > > > [email protected] > > > > https://www.ietf.org/mailman/listinfo/softwires _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
