> -----邮件原件----- > 发件人: [email protected] [mailto:[email protected]] 代表 > LASSERRE, MARC (MARC) > 发送时间: 2013年11月18日 19:58 > 收件人: Thomas Narten; Yves Hertoghs (yhertogh) > 抄送: [email protected]; Lucy yong > 主题: Re: [nvo3] No need for NVE-NVE control plane [was Re: Poll for WG > adoption and IPR check for draft-narten-nvo3-arch-01.txt > > Thomas, > > The way that you have phrased this sentence is confusing and needs > clarification. > > Various control protocols can be used between NVEs, as you indicated. > > If you meant to say that there is no need for NVEs to exchange address mapping > information between themselves, this is also debatable. > An external NVA for such a function is not always required in nvo3. When the > NVA address mapping function is colocated with an NVE, NVEs appear as > exchanging address mapping information (just looking at the wire). IGPs within > NVEs also exchange topological/address mapping information.
Fully agree. Xiaohu > Marc > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] On Behalf > > Of Thomas Narten > > Sent: Friday, November 15, 2013 11:19 PM > > To: Yves Hertoghs (yhertogh) > > Cc: [email protected]; Lucy yong > > Subject: [nvo3] No need for NVE-NVE control plane [was Re: > > Poll for WG adoption and IPR check for draft-narten-nvo3-arch-01.txt > > > > NVO3 does not need an NVE to NVE control protocol. > > > > Calling this out explicitly, as it is consistent with the current > > architecture document. There is no need for an NVE to NVE control > > protocol, for the purpose of maintaining/populating the mapping > > tables. There may well be interactions between NVEs, such as setting > > up tunnels, creating security associations for protecting data plane > > traffic, or providing error indications (e.g., equivalent of ICMP "TS > > unreachable" responses). > > > > If folk disagree, now would be a good time to have that conversation. > > > > "Yves Hertoghs (yhertogh)" <[email protected]> writes: > > > > > >> I disagree with the need for an NVE to NVE control plane. > > > > > > > [Lucy] do you think we need NVE-NVE control plane? I > > don’t think > > > > this is what you mean from the following statement. > > > > > > No we dont need an NVE to NVE control plane. > > > > > > >> That doesn't mean that you can't colocate a portion of the > > > >> distributed NVA with every NVE, which is the model that e.g. > > > >> BGP/L3VPN or ISIS/TRILL uses. > > > > > > > [Lucy] Agreed. NVA can collocate w/ NVE. (partially or entire). > > > > > > And as a result there is only a need for a control plane > > between the > > > NVE function and the NVA function. > > > > Thomas > > > > > _______________________________________________ > nvo3 mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/nvo3 _______________________________________________ nvo3 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nvo3
