draft-ietf-pce-stateful-pce-11.txt   draft-ietf-pce-stateful-pce-12.txt 
PCE Working Group E. Crabbe PCE Working Group E. Crabbe
Internet-Draft Internet-Draft
Intended status: Standards Track I. Minei Intended status: Standards Track I. Minei
Expires: October 22, 2015 Google, Inc. Expires: April 21, 2016 Google, Inc.
J. Medved J. Medved
Cisco Systems, Inc. Cisco Systems, Inc.
R. Varga R. Varga
Pantheon Technologies SRO Pantheon Technologies SRO
April 20, 2015 October 19, 2015
PCEP Extensions for Stateful PCE PCEP Extensions for Stateful PCE
draft-ietf-pce-stateful-pce-11 draft-ietf-pce-stateful-pce-12
Abstract Abstract
The Path Computation Element Communication Protocol (PCEP) provides The Path Computation Element Communication Protocol (PCEP) provides
mechanisms for Path Computation Elements (PCEs) to perform path mechanisms for Path Computation Elements (PCEs) to perform path
computations in response to Path Computation Clients (PCCs) requests. computations in response to Path Computation Clients (PCCs) requests.
Although PCEP explicitly makes no assumptions regarding the Although PCEP explicitly makes no assumptions regarding the
information available to the PCE, it also makes no provisions for PCE information available to the PCE, it also makes no provisions for PCE
control of timing and sequence of path computations within and across control of timing and sequence of path computations within and across
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time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 22, 2015. This Internet-Draft will expire on April 21, 2016.
Copyright Notice Copyright Notice
Copyright (c) 2015 IETF Trust and the persons identified as the Copyright (c) 2015 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
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publication of this document. Please review these documents publication of this document. Please review these documents
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Casellas, Oscar Gonzales de Dios, Tomas Janciga, Stefan Kobza, Kexin Casellas, Oscar Gonzales de Dios, Tomas Janciga, Stefan Kobza, Kexin
Tang, Matej Spanik, Jon Parker, Marek Zavodsky, Ambrose Kwong, Ashwin Tang, Matej Spanik, Jon Parker, Marek Zavodsky, Ambrose Kwong, Ashwin
Sampath, Calvin Ying and Xian Zhang for helpful comments and Sampath, Calvin Ying and Xian Zhang for helpful comments and
discussions. discussions.
12. References 12. References
12.1. Normative References 12.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<http://www.rfc-editor.org/info/rfc2119>.
[RFC2205] Braden, B., Zhang, L., Berson, S., Herzog, S., and S. [RFC2205] Braden, R., Ed., Zhang, L., Berson, S., Herzog, S., and S.
Jamin, "Resource ReSerVation Protocol (RSVP) -- Version 1 Jamin, "Resource ReSerVation Protocol (RSVP) -- Version 1
Functional Specification", RFC 2205, September 1997. Functional Specification", RFC 2205, DOI 10.17487/RFC2205,
September 1997, <http://www.rfc-editor.org/info/rfc2205>.
[RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V., [RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V.,
and G. Swallow, "RSVP-TE: Extensions to RSVP for LSP and G. Swallow, "RSVP-TE: Extensions to RSVP for LSP
Tunnels", RFC 3209, December 2001. Tunnels", RFC 3209, DOI 10.17487/RFC3209, December 2001,
<http://www.rfc-editor.org/info/rfc3209>.
[RFC5088] Le Roux, JL., Vasseur, JP., Ikejiri, Y., and R. Zhang, [RFC5088] Le Roux, JL., Ed., Vasseur, JP., Ed., Ikejiri, Y., and R.
"OSPF Protocol Extensions for Path Computation Element Zhang, "OSPF Protocol Extensions for Path Computation
(PCE) Discovery", RFC 5088, January 2008. Element (PCE) Discovery", RFC 5088, DOI 10.17487/RFC5088,
January 2008, <http://www.rfc-editor.org/info/rfc5088>.
[RFC5089] Le Roux, JL., Vasseur, JP., Ikejiri, Y., and R. Zhang, [RFC5089] Le Roux, JL., Ed., Vasseur, JP., Ed., Ikejiri, Y., and R.
"IS-IS Protocol Extensions for Path Computation Element Zhang, "IS-IS Protocol Extensions for Path Computation
(PCE) Discovery", RFC 5089, January 2008. Element (PCE) Discovery", RFC 5089, DOI 10.17487/RFC5089,
January 2008, <http://www.rfc-editor.org/info/rfc5089>.
[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an [RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an
IANA Considerations Section in RFCs", BCP 26, RFC 5226, IANA Considerations Section in RFCs", BCP 26, RFC 5226,
May 2008. DOI 10.17487/RFC5226, May 2008,
<http://www.rfc-editor.org/info/rfc5226>.
[RFC5284] Swallow, G. and A. Farrel, "User-Defined Errors for RSVP", [RFC5284] Swallow, G. and A. Farrel, "User-Defined Errors for RSVP",
RFC 5284, August 2008. RFC 5284, DOI 10.17487/RFC5284, August 2008,
<http://www.rfc-editor.org/info/rfc5284>.
[RFC5440] Vasseur, JP. and JL. Le Roux, "Path Computation Element [RFC5440] Vasseur, JP., Ed. and JL. Le Roux, Ed., "Path Computation
(PCE) Communication Protocol (PCEP)", RFC 5440, March Element (PCE) Communication Protocol (PCEP)", RFC 5440,
2009. DOI 10.17487/RFC5440, March 2009,
<http://www.rfc-editor.org/info/rfc5440>.
[RFC5511] Farrel, A., "Routing Backus-Naur Form (RBNF): A Syntax [RFC5511] Farrel, A., "Routing Backus-Naur Form (RBNF): A Syntax
Used to Form Encoding Rules in Various Routing Protocol Used to Form Encoding Rules in Various Routing Protocol
Specifications", RFC 5511, April 2009. Specifications", RFC 5511, DOI 10.17487/RFC5511, April
2009, <http://www.rfc-editor.org/info/rfc5511>.
12.2. Informative References 12.2. Informative References
[I-D.ietf-pce-gmpls-pcep-extensions] [I-D.ietf-pce-gmpls-pcep-extensions]
Margaria, C., Dios, O., and F. Zhang, "PCEP extensions for Margaria, C., Dios, O., and F. Zhang, "PCEP extensions for
GMPLS", draft-ietf-pce-gmpls-pcep-extensions-10 (work in GMPLS", draft-ietf-pce-gmpls-pcep-extensions-11 (work in
progress), October 2014. progress), October 2015.
[I-D.ietf-pce-stateful-pce-app] [I-D.ietf-pce-stateful-pce-app]
Zhang, X. and I. Minei, "Applicability of a Stateful Path Zhang, X. and I. Minei, "Applicability of a Stateful Path
Computation Element (PCE)", draft-ietf-pce-stateful-pce- Computation Element (PCE)", draft-ietf-pce-stateful-pce-
app-03 (work in progress), October 2014. app-04 (work in progress), April 2015.
[I-D.ietf-pce-stateful-sync-optimizations] [I-D.ietf-pce-stateful-sync-optimizations]
Crabbe, E., Minei, I., Medved, J., Varga, R., Zhang, X., Crabbe, E., Minei, I., Medved, J., Varga, R., Zhang, X.,
and D. Dhody, "Optimizations of Label Switched Path State and D. Dhody, "Optimizations of Label Switched Path State
Synchronization Procedures for a Stateful PCE", draft- Synchronization Procedures for a Stateful PCE", draft-
ietf-pce-stateful-sync-optimizations-02 (work in ietf-pce-stateful-sync-optimizations-03 (work in
progress), January 2015. progress), October 2015.
[I-D.sivabalan-pce-disco-stateful] [I-D.sivabalan-pce-disco-stateful]
Sivabalan, S., Medved, J., and X. Zhang, "IGP Extensions Sivabalan, S., Medved, J., and X. Zhang, "IGP Extensions
for Stateful PCE Discovery", draft-sivabalan-pce-disco- for Stateful PCE Discovery", draft-sivabalan-pce-disco-
stateful-03 (work in progress), January 2014. stateful-03 (work in progress), January 2014.
[MPLS-PC] Chaieb, I., Le Roux, JL., and B. Cousin, "Improved MPLS-TE [MPLS-PC] Chaieb, I., Le Roux, JL., and B. Cousin, "Improved MPLS-TE
LSP Path Computation using Preemption", Global Information LSP Path Computation using Preemption", Global
Infrastructure Symposium, July 2007. Information Infrastructure Symposium, July 2007.
[MXMN-TE] Danna, E., Mandal, S., and A. Singh, "Practical linear [MXMN-TE] Danna, E., Mandal, S., and A. Singh, "Practical linear
programming algorithm for balancing the max-min fairness programming algorithm for balancing the max-min fairness
and throughput objectives in traffic engineering", and throughput objectives in traffic engineering",
INFOCOM, 2012 Proceedings IEEE Page(s): 846-854, 2012. INFOCOM, 2012 Proceedings IEEE Page(s): 846-854, 2012.
[RFC2702] Awduche, D., Malcolm, J., Agogbua, J., O'Dell, M., and J. [RFC2702] Awduche, D., Malcolm, J., Agogbua, J., O'Dell, M., and J.
McManus, "Requirements for Traffic Engineering Over MPLS", McManus, "Requirements for Traffic Engineering Over MPLS",
RFC 2702, September 1999. RFC 2702, DOI 10.17487/RFC2702, September 1999,
<http://www.rfc-editor.org/info/rfc2702>.
[RFC3031] Rosen, E., Viswanathan, A., and R. Callon, "Multiprotocol [RFC3031] Rosen, E., Viswanathan, A., and R. Callon, "Multiprotocol
Label Switching Architecture", RFC 3031, January 2001. Label Switching Architecture", RFC 3031,
DOI 10.17487/RFC3031, January 2001,
<http://www.rfc-editor.org/info/rfc3031>.
[RFC3346] Boyle, J., Gill, V., Hannan, A., Cooper, D., Awduche, D., [RFC3346] Boyle, J., Gill, V., Hannan, A., Cooper, D., Awduche, D.,
Christian, B., and W. Lai, "Applicability Statement for Christian, B., and W. Lai, "Applicability Statement for
Traffic Engineering with MPLS", RFC 3346, August 2002. Traffic Engineering with MPLS", RFC 3346,
DOI 10.17487/RFC3346, August 2002,
<http://www.rfc-editor.org/info/rfc3346>.
[RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering [RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering
(TE) Extensions to OSPF Version 2", RFC 3630, September (TE) Extensions to OSPF Version 2", RFC 3630,
2003. DOI 10.17487/RFC3630, September 2003,
<http://www.rfc-editor.org/info/rfc3630>.
[RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation [RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation
Element (PCE)-Based Architecture", RFC 4655, August 2006. Element (PCE)-Based Architecture", RFC 4655,
DOI 10.17487/RFC4655, August 2006,
<http://www.rfc-editor.org/info/rfc4655>.
[RFC4657] Ash, J. and J. Le Roux, "Path Computation Element (PCE) [RFC4657] Ash, J., Ed. and J. Le Roux, Ed., "Path Computation
Communication Protocol Generic Requirements", RFC 4657, Element (PCE) Communication Protocol Generic
September 2006. Requirements", RFC 4657, DOI 10.17487/RFC4657, September
2006, <http://www.rfc-editor.org/info/rfc4657>.
[RFC5305] Li, T. and H. Smit, "IS-IS Extensions for Traffic [RFC5305] Li, T. and H. Smit, "IS-IS Extensions for Traffic
Engineering", RFC 5305, October 2008. Engineering", RFC 5305, DOI 10.17487/RFC5305, October
2008, <http://www.rfc-editor.org/info/rfc5305>.
[RFC5394] Bryskin, I., Papadimitriou, D., Berger, L., and J. Ash, [RFC5394] Bryskin, I., Papadimitriou, D., Berger, L., and J. Ash,
"Policy-Enabled Path Computation Framework", RFC 5394, "Policy-Enabled Path Computation Framework", RFC 5394,
December 2008. DOI 10.17487/RFC5394, December 2008,
<http://www.rfc-editor.org/info/rfc5394>.
Authors' Addresses Authors' Addresses
Edward Crabbe Edward Crabbe
Email: edward.crabbe@gmail.com Email: edward.crabbe@gmail.com
Ina Minei Ina Minei
Google, Inc. Google, Inc.
1600 Amphitheatre Parkway 1600 Amphitheatre Parkway
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