--- 1/draft-ietf-pce-pcep-domain-sequence-11.txt 2015-12-07 04:15:37.958637432 -0800 +++ 2/draft-ietf-pce-pcep-domain-sequence-12.txt 2015-12-07 04:15:38.026639060 -0800 @@ -1,21 +1,21 @@ PCE Working Group D. Dhody Internet-Draft U. Palle Intended status: Experimental Huawei Technologies -Expires: May 22, 2016 R. Casellas +Expires: June 9, 2016 R. Casellas CTTC - November 19, 2015 + December 7, 2015 Domain Subobjects for Path Computation Element (PCE) Communication Protocol (PCEP). - draft-ietf-pce-pcep-domain-sequence-11 + draft-ietf-pce-pcep-domain-sequence-12 Abstract The ability to compute shortest constrained Traffic Engineering Label Switched Paths (TE LSPs) in Multiprotocol Label Switching (MPLS) and Generalized MPLS (GMPLS) networks across multiple domains has been identified as a key requirement. In this context, a domain is a collection of network elements within a common sphere of address management or path computational responsibility such as an Interior Gateway Protocol (IGP) area or an Autonomous System (AS). This @@ -35,21 +35,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at http://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on May 22, 2016. + This Internet-Draft will expire on June 9, 2016. Copyright Notice Copyright (c) 2015 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents @@ -1094,25 +1094,25 @@ +-L-------------W+ +------P---------+ +-----------T----+ | | | | | | | | | Q | | U | | M O | | S | | | | | | | | V | | N | | R | | | +----------------+ +----------------+ +----------------+ The domain tree can be represented as a series of domain-sequence - - o Domian D1, Domian D3, Domian D6 + o Domain D1, Domain D3, Domain D6 - o Domian D1, Domian D3, Domian D5 + o Domain D1, Domain D3, Domain D5 - o Domian D1, Domian D2, Domian D4 + o Domain D1, Domain D2, Domain D4 The domain sequence handling described in this document could be applied to P2MP path domain tree. 4.6. Hierarchical PCE In case of H-PCE [RFC6805], the parent PCE can be requested to determine the Domain-Sequence and return it in the path computation reply, using the ERO. . For the example in section 4.6 of [RFC6805], the Domain-Sequence can possibly appear as: @@ -1367,21 +1367,21 @@ [IRO-UPDATE] Dhody, D., "Update to Include Route Object (IRO) specification in Path Computation Element communication Protocol (PCEP. (draft-ietf-pce-iro-update-02)", May 2015. [DOMAIN-SUBOBJ] Dhody, D., Palle, U., Kondreddy, V., and R. Casellas, "Domain Subobjects for Resource ReserVation Protocol - Traffic Engineering (RSVP-TE). (draft-ietf-teas-rsvp-te- - domain-subobjects-04)", November 2015. + domain-subobjects-05)", November 2015. 10.2. Informative References [RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation Element (PCE)-Based Architecture", RFC 4655, DOI 10.17487/RFC4655, August 2006, . [RFC4726] Farrel, A., Vasseur, J., and A. Ayyangar, "A Framework for Inter-Domain Multiprotocol Label Switching Traffic @@ -1436,21 +1436,21 @@ DOI 10.17487/RFC7334, August 2014, . [RFC7420] Koushik, A., Stephan, E., Zhao, Q., King, D., and J. Hardwick, "Path Computation Element Communication Protocol (PCEP) Management Information Base (MIB) Module", RFC 7420, DOI 10.17487/RFC7420, December 2014, . [PCEPS] Lopez, D., Dios, O., Wu, W., and D. Dhody, "Secure - Transport for PCEP", draft-ietf-pce-pceps-05 (work in + Transport for PCEP", draft-ietf-pce-pceps-06 (work in progress), November 2015. Authors' Addresses Dhruv Dhody Huawei Technologies Divyashree Techno Park, Whitefield Bangalore, Karnataka 560037 India