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Re: [Status] 答复: 答复: 答复: fwd: New Version Notification for draft-xu-rtgwg-global-label-adv-00.txt

Robert Raszuk <robert@raszuk.net> Thu, 25 July 2013 09:22 UTC

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Date: Thu, 25 Jul 2013 11:21:51 +0200
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From: Robert Raszuk <robert@raszuk.net>
To: Xuxiaohu <xuxiaohu@huawei.com>
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Cc: Hannes Gredler <hannes@juniper.net>, "status@ietf.org" <status@ietf.org>, Peter Psenak <ppsenak@cisco.com>
Subject: Re: [Status] 答复: 答复: 答复: fwd: New Version Notification for draft-xu-rtgwg-global-label-adv-00.txt
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Xu,

> In this way, the labels would be locally significant. Then how to achieve source
> routing by using stacked MPLS tunnels ?

With SPT label space is local, but label value and meaning is domain
wide. That's the beauty of it. Remember you are flooding ranges/block
as well as SID in IGP so your peers know it.

But It does add complexity in troubleshooting and operation :(.

Cheers,
R.

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