Re: [Status] ??: Comments on draft-filsfils-rtgwg-segment-routing (Entropy labels for segment routing)

Loa,

I think it is too early for a statement as yours below. Just because one can execute source routing one doesn't have to. Source routes may be used, if they are desireable from a provider point of view. The name of the technology to me is Segment Routing, not source routing.

Regards,

Ruediger

-----Original Message-----
From: status-bounces@ietf.org [mailto:status-bounces@ietf.org] On Behalf Of Loa Andersson
Sent: Tuesday, July 30, 2013 11:23 AM
To: status@ietf.org
Subject: Re: [Status] ??: Comments on draft-filsfils-rtgwg-segment-routing (Entropy labels for segment routing)

Xiaohu and Sri,

I'm struggling to understand why entropy labels would ever occur in
a source routed label stack, load sharing would be be done as part of
creating the source routed routes.

/Loa

On 2013-07-30 10:40, Xuxiaohu wrote:
> Totally  agree.  In addition, some extension to ISIS and OSPF may also
> be needed for advertising the ELC.
>
> Best regards,
>
> Xiaohu
>
> ------------------------------------------------------------------------
> *发件人:* status-bounces@ietf.org [status-bounces@ietf.org] 代表
> Sriganesh Kini [sriganesh.kini@ericsson.com]
> *发送时间:* 2013年7月30日 16:12
> *到:* status@ietf.org
> *主题:* [Status] Comments on draft-filsfils-rtgwg-segment-routing
> (Entropy labels for segment routing)
>
> Hello Clarence and other authors,
>
> Current architecture does not address the issue of entropy labels. It
> should be listed as an open issue.
>
> At the mic yesterday, Kireeti and others brought up this issue and the
> related issue of label stack getting deeper. I think this is a valid
> concern.
>
> An EL for the entire stack is one approach. Another could be an EL per
> segment. Both have their advantages and disadvantages. This issue needs
> to be addressed.
>
> - Sri
>
>
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>

--

Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64
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