I agree with Juliusz here. I support (3), can live with (1), and am opposed to (2) and (4). Allocating sub-TLVs for something that can be solved without is overkill, and I think wildcard requests are really critical to quickly bootstrap a new node.
David > On May 31, 2017, at 07:55, Juliusz Chroboczek <[email protected]> wrote: > > Matthieu, could you please write up a new version of the I-D with your > encoding? You might want to speak to Gwendoline, since she needs to write > up her TOS-specific encoding. > >> If we keep this behaviour and mix tos-specific routes, we will have >> to send 4 wildcard requests to have all routes. I see two reasonable >> options: > >> - only keep (legacy) wildcard requests, and reply with a full dump. > > That's reasonable, although slightly confusing. (Call that (1).) > >> - send one request with all sub-TLVs you know but without mandatory >> bit, and reply to all options you know about. > > That's not -- it would require allocating a full new set of sub-TLVs. > Plus I find this confusing. (Call that (2).) > > There are two other possibilities: > > 3. Send a non-specific wildcard request for non-specific routes, > a source-specific wildcard request for source-specific routes, etc. > > 4. Deprecate wildcard requests -- say that they MAY be replied to, but > SHOULD NOT be sent by new implementations. > > Now wildcard requests are fairly rare -- they are only used to speed up > convergence at boot time, as well as by debugging tools (although we have > no such debugging tools yet -- all debugging tools known to me connect to > the local socket of a node). So sending four TLVs in a single unicast > packet instead of a single TLV is not prohibitive, and is much simpler > than the alternatives. > > I support (3). Last time I spoke to him, Toke supported (4). I am > opposed to (2). I can live with (1). > > -- Juliusz > > _______________________________________________ > Babel-users mailing list > [email protected] > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/babel-users _______________________________________________ Babel-users mailing list [email protected] http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/babel-users
