(cc'd this email to L3VPN and NVo3 since this discussion may be interesting to them)
> -----邮件原件----- > 发件人: [email protected] [mailto:[email protected]] 代表 > Mikael Abrahamsson > 发送时间: 2013年9月26日 13:50 > 收件人: Suresh Krishnan > 抄送: Internet Area > 主题: Re: [Int-area] Call for adoption of draft-nachum-sarp-06.txt > > On Tue, 20 Aug 2013, Suresh Krishnan wrote: > > > Hi all, > > This draft has been presented at several intarea face to face meetings > > and has received quite a bit of discussion. It has been difficult to > > gauge whether the wg is interested in this work or not. This call is > > being initiated to determine whether there is WG consensus towards > > adoption of draft-nachum-sarp-06 as an intarea WG draft. Please state > > whether or not you're in favor of the adoption by replying to this > > email. If you are not in favor, please also state your objections in > > your response. This adoption call will complete on 2013-09-04. > > I would be much more interested in this work if it also solved other > problems, such as packets sourced or destined from/to outside the network, > to make sure it gets to a router for closest exit into a default gw > router. > > So for instance, if a VM is moved from east to west, packets destined for > default gw should now be sent to default gw located in west. The L3 > network should also know that this IP address has moved and inject a /32 > route from the west router to make sure packets traverse the L3 network as > far as possible before it goes into the DC network. > > But I still wonder if this shouldn't be solved on L3 totally. Why can't > datacenter standards properly use L3 for routing instead of using L2 to > create huge L2 domains? It's inefficient if geographical distance is > substantial due to packets taking inefficient paths due to the L3 network > not knowing where the end IP address actually is. Hi Mikael, The approach described in this draft (http://tools.ietf.org/html/draft-xu-l3vpn-virtual-subnet-01) may meet your above desire. BTW, such approach has already been implemented by some data center network vendors. Best regards, Xiaohu > Mikael Abrahamsson email: [email protected] > _______________________________________________ > Int-area mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/int-area
