On Wed, Apr 4, 2018 at 9:14 AM, Julien Meuric <julien.meu...@orange.com> wrote:
> Hi Eric, > > As a shepherd, I can address your 2nd concern without waiting for the > authors. > > For both defined TLVs, the backward compatibility is addressed by the > last sentence of sections 3 and 4: > " If a PCEP speaker does not recognize the PATH-SETUP-xxx > TLV, it MUST ignore the TLV in accordance with ([RFC5440])." > Sorry for not being clear. I meant a different case. What happens when an existing PCEP speaker (which is not familiar with this TLV) tries to talk to someone who (a) doesn't use RSVP-TE (b) advertises that fact via this mechanism. I believe you get some kind of handshake failure. Is that correct? -Ekr > The exact wording will be updated to address other comments, e.g.: > - MUST -> will, > - Make it explicit that an ignored TLV is similar to an absent TLV, and > implies the only existing method before this I-D, i.e. X == RSVP-TE > signaling (cf. Martin's comment). > > Thanks, > > Julien > > > Apr. 04, 2018 - e...@rtfm.com: > > Eric Rescorla has entered the following ballot position for > > draft-ietf-pce-lsp-setup-type-09: No Objection > > > > When responding, please keep the subject line intact and reply to all > > email addresses included in the To and CC lines. (Feel free to cut this > > introductory paragraph, however.) > > > > > > Please refer to https://www.ietf.org/iesg/statement/discuss-criteria. > html > > for more information about IESG DISCUSS and COMMENT positions. > > > > > > The document, along with other ballot positions, can be found here: > > https://datatracker.ietf.org/doc/draft-ietf-pce-lsp-setup-type/ > > > > > > > > ---------------------------------------------------------------------- > > COMMENT: > > ---------------------------------------------------------------------- > > > > Please expand RP and SRP on first use. > > > > What is the backward compatibility story here? I.e., say I only support > method > > X and the peer doesn't know about this TLV at all? How will it behave? > > > > >
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