Re: [mpls] [MPLS] Next hop address in mLDP

Dear Ice,
Thank you for your reply. Just because I think this issue is important. 
That's great we will address this issue in the new version.

BR
Lizhong

IJsbrand Wijnands <ice@cisco.com> 
2010-07-27 00:11

To
lizhong.jin@zte.com.cn
cc
kireeti@juniper.net, bobthomas@alum.mit.edu, ina@juniper.net, 
mpls@ietf.org
Subject
Re: [mpls] [MPLS] Next hop address in mLDP

Hi Lizhong,

About your comment at the mic.

I guess this is the question that did not get addressed in the latest 
revision, sorry about that.

I'll discuss with the c-authors and get back to you.

Thx,

Ice.

On 18 Jun 2010, at 17:06, lizhong.jin@zte.com.cn wrote:

> Hi Ice,
> For draft-ietf-mpls-ldp-p2mp-09, on a LAN, the procedures discussed 
> supports that the upstream LSR can send a copy of the packet to each 
> receiver individually. The question is how to get the next hop address 
for 
> each receiver? There maybe the following method:
> 1. upstream LSP gets an IP address A from the downstream receiver, 
either 
> the hello packet source address or transport address;
> 2. looking up the local IP forwarding table for the address A, and check 

> if the corresponding next hop address is in the LDP session address 
list. 
> If it is, then the next hop address is found, if not, then next hop 
> address found failure.
> 
> I think some description is necessary in the draft about this.
> 
> BR
> Lizhong
> 
> 
> 
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