Rt range is large enough field to not overlap between l2 and l3 rt's and rt rewrite is also possible
Adding newer safi does add lots of complexity as well - increase bgp db - increase bgp stack to process newer safi - for evpn mix routed and bridged environment (some pe bridging, some other routing) we will have to send 2 bgp fs with 2 differents safi's Sent from iPAD > On Nov 14, 2014, at 01:42, Haoweiguo <[email protected]> wrote: > > Hi Wim, > It seems to be a solution. Another problem: > Current BGP flow spec for L2 VPN /L3 VPN relies on Rout Target for policy > import/export. If using unified solution, RT can't overlap between different > applications(L2VPN,L3VPN...). If using separating AFI/SAFI solution, no RT > constraint issue. > Maybe there are other questions for unified solution, i would like to hear > other expert's comments on your proposal. > Thanks > weiguo > > ________________________________________ > 发件人: BESS [[email protected]] 代表 Henderickx, Wim (Wim) > [[email protected]] > 发送时间: 2014年11月14日 8:27 > 收件人: Haoweiguo; Thomas Morin; BESS > 抄送: IDR Chairs > 主题: Re: [bess] 答复: 答复: Flowspec for L2VPN and E-VPN > > We define a new AFI/SAFI that accommodates all we have + include L2 > extensions. > Operators that don’t need L2 extensions keep what they have. > Operators that need L2 extensions go to the new method or mix the new > method with the old methods per service type. > > Make sense? > >> On 13/11/14 14:16, "Haoweiguo" <[email protected]> wrote: >> >> How to achieve compatability with current existed flowspec[RFC5575] >> applications? >> Thanks >> weiguo >> >> ________________________________________ >> 发件人: Henderickx, Wim (Wim) [[email protected]] >> 发送时间: 2014年11月14日 8:14 >> 收件人: Haoweiguo; Thomas Morin; BESS >> 抄送: IDR Chairs >> 主题: Re: 答复: [bess] Flowspec for L2VPN and E-VPN >> >> If we define a new things I prefer to address the wider issue and include >> L2 in that. >> >>> On 13/11/14 14:13, "Haoweiguo" <[email protected]> wrote: >>> >>> Hi Wim, >>> Allocating different AFI/SAFI(s) for each flow spec application is a >>> applicable solution. Theoretically, unified mechanism for all flowspec >>> can be designed, but it maybe a more harder work in IDR. >>> Thanks >>> weiguo >>> >>> ________________________________________ >>> 发件人: BESS [[email protected]] 代表 Henderickx, Wim (Wim) >>> [[email protected]] >>> 发送时间: 2014年11月14日 7:55 >>> 收件人: Thomas Morin; BESS >>> 抄送: IDR Chairs >>> 主题: Re: [bess] Flowspec for L2VPN and E-VPN >>> >>> As I stated in the IDR meeting my observation is that we require to many >>> AFI/SAFI(s) for all flow spec functions. Flow spec in general is >>> providing >>> match criteria¹s with related actions. Given the proposal on Flowspec for >>> L2 is new we should look at the bigger picture. >>> In My view we need a mechanism in BGP to advertise Flowspec match >>> criteria¹s with related actions and they should cover L2/L3-IPv4/IPv6. >>> >>>> On 13/11/14 13:44, "Thomas Morin" <[email protected]> wrote: >>>> >>>> Hi WG, >>>> >>>> A heads up... >>>> >>>> These two drafts relate to BESS and thus may be of interest to us: >>>> - draft-hao-idr-flowspec-l2vpn >>>> <http://tools.ietf.org/html?draft=draft-hao-idr-flowspec-l2vpn-01> (on >>>> idr agenda, being presented right now) >>>> - draft-hao-idr-flowspec-evpn >>>> <https://tools.ietf.org/html/draft-hao-idr-flowspec-evpn-00> >>>> >>>> Best, >>>> >>>> -Thomas >>>> >>>> >>>> _______________________________________________ >>>> BESS mailing list >>>> [email protected] >>>> https://www.ietf.org/mailman/listinfo/bess >>> >>> _______________________________________________ >>> BESS mailing list >>> [email protected] >>> https://www.ietf.org/mailman/listinfo/bess > > _______________________________________________ > BESS mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/bess > _______________________________________________ > BESS mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/bess _______________________________________________ BESS mailing list [email protected] https://www.ietf.org/mailman/listinfo/bess
