> If I remembered correctly, "end-system L3VPN" proposed that end-system
> (i.e., physical server) act as PE routers (i.e., NVE) and use XMPP
> instead of BGP as a L3VPN signaling with XMPP signaling gateways. Of
> course, I haven't check whether the recent "end-system L3VPN"
> reversions have made changes as I mentioned before.

It has. Check -05 version.
 
> In fact, there has been a L3VPN+host route based DCVPN proposal
> referred to as Virtual Subnet (http://tools.ietf.org/html/draft-xu-
> virtual-subnet-08) (proposed two year earlier) which covers the
> scenario where the L3NVE and TES are located at different physical
> devices.

OK. I'll take a look. 

Maria

> > -----邮件原件-----
> > 发件人: NAPIERALA, MARIA H [mailto:[email protected]]
> > 发送时间: 2012年7月12日 11:39
> > 收件人: Xuxiaohu; Larry Kreeger (kreeger); Luyuan Fang (lufang); Paul
> > Unbehagen
> > 抄送: Thomas Narten; [email protected]; Lucy yong
> > 主题: RE: [nvo3] TES-NVE attach/detach protocol security (mobility-
> issues
> > draft)
> >
> > Xiaohu,
> >
> > > I guess the current "end-system L3VPN" proposal should belong to
> case
> > > 1, rather than case 3 where NVE and TES are not in the same
> physical
> > > device, unless the "end-system L3VPN" makes some changes as
> follows:
> > > XMPP is only used as a signaling of VM attachment/detachment events
> > > between hypervisors and ToRs, rather than as a replacement of BGP-
> based
> > > L3VPN signaling. In this way, the NVE functionality (i.e., L3VPN
> PE) is
> > > performed on the ToRs, rather than on the end-systems.
> >
> > Actually, "end-system L3VPN" proposal covers both cases. In the case
> NVE
> > functionality is on external switch, it operates as an XMPP server
> processing
> > requests from end-systems and as a client of one or more
> controllers/signaling
> > gateways.  It relays to the signaling gateways(s) messages it
> receives from
> > the end-system.  In this scenario, the VPN routing information the
> NVE
> > receives from a signaling gateway is not propagated to the end-
> system.
> >
> >
> > Maria
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