Dear PCErs,
We have recently posted a new version of the Traffic Engineering Database
dissemination for Hierarchical PCE scenarios draft. Please find an update
about thework done in the draft:
* Presentation of the work in IDR working group as requested by the
chairs. The presentation received a positive feedback, with some questions
about the OSPF-TE to BGP-LS mapping and the extension for optical
networks. Moreover, we received more feedback supporting having this I-D
as an informational draft for PCE WG, explaining where BGP-LS can be used.
* Jeff has joined as author.
* We have updated the text section related with the OSPF mapping in BGP-LS.
Recent discussions on the list have raised the question on which are the
mechanisms to disseminate TE information to the PCE. This particular draft
focuses on one scenario, the Hierarchical PCE with several domains. We
want to keep on discussing this topics in the working group.
Best Regards,
Óscar & authors
El 03/07/14 10:05, "[email protected]" <[email protected]>
escribió:
>
>A new version of I-D, draft-lopez-pce-hpce-ted-02.txt
>has been successfully submitted by Daniel King and posted to the
>IETF repository.
>
>Name: draft-lopez-pce-hpce-ted
>Revision: 02
>Title: Traffic Engineering Database dissemination for Hierarchical PCE
>scenarios
>Document date: 2014-07-01
>Group: Individual Submission
>Pages: 12
>URL:
>http://www.ietf.org/internet-drafts/draft-lopez-pce-hpce-ted-02.txt
>Status: https://datatracker.ietf.org/doc/draft-lopez-pce-hpce-ted/
>Htmlized: http://tools.ietf.org/html/draft-lopez-pce-hpce-ted-02
>Diff:
>http://www.ietf.org/rfcdiff?url2=draft-lopez-pce-hpce-ted-02
>
>Abstract:
> The PCE architecture is well-defined and may be used to compute the
> optimal path for LSPS across domains in MPLS-TE and GMPLS networks.
> The Hierarchical Path Computation Element (H-PCE) [RFC6805] was
> developed to provide an optimal path when the sequence of domains is
> not known in advance. The procedure and mechanism for populating the
> Traffic Engineering Database (TED) with domain topology and link
> information used in H-PCE-based path computations is open to
> interpretation. This informational document describes how topology
> dissemination mechanisms may be used to provide TE information
> between Parent and Child PCEs (within the H-PCE context). In
> particular, it describes how BGP-LS might be used to provide inter-
> domain connectivity. This document is not intended to define new
> extensions, it demonstrates how existing procedures and mechanisms
> may be used.
>
>
>
>
>
>Please note that it may take a couple of minutes from the time of
>submission
>until the htmlized version and diff are available at tools.ietf.org.
>
>The IETF Secretariat
>
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