| < draft-ietf-pce-stateful-pce-optional-02.txt | draft-ietf-pce-stateful-pce-optional-03.txt > | |||
|---|---|---|---|---|
| PCE Working Group C. Li | PCE Working Group C. Li | |||
| Internet-Draft H. Zheng | Internet-Draft H. Zheng | |||
| Updates: 8231 (if approved) Huawei Technologies | Updates: 8231 (if approved) Huawei Technologies | |||
| Intended status: Standards Track S. Litkowski | Intended status: Standards Track S. Litkowski | |||
| Expires: 26 April 2022 Cisco | Expires: 23 October 2022 Cisco | |||
| 23 October 2021 | 21 April 2022 | |||
| Extension for Stateful PCE to allow Optional Processing of PCEP Objects | Extension for Stateful PCE to allow Optional Processing of PCEP Objects | |||
| draft-ietf-pce-stateful-pce-optional-02 | draft-ietf-pce-stateful-pce-optional-03 | |||
| Abstract | Abstract | |||
| This document introduces a mechanism to mark some of the Path | This document introduces a mechanism to mark some of the Path | |||
| Computation Element (PCE) Communication Protocol (PCEP) objects as | Computation Element (PCE) Communication Protocol (PCEP) objects as | |||
| optional during PCEP messages exchange for the Stateful PCE model to | optional during PCEP messages exchange for the Stateful PCE model to | |||
| allow relaxing some constraints. This document introduces this | allow relaxing some constraints. This document introduces this | |||
| relaxation and updates RFC 8231. | relaxation and updates RFC 8231. | |||
| Status of This Memo | Status of This Memo | |||
| skipping to change at page 1, line 36 ¶ | skipping to change at page 1, line 36 ¶ | |||
| Internet-Drafts are working documents of the Internet Engineering | Internet-Drafts are working documents of the Internet Engineering | |||
| Task Force (IETF). Note that other groups may also distribute | Task Force (IETF). Note that other groups may also distribute | |||
| working documents as Internet-Drafts. The list of current Internet- | working documents as Internet-Drafts. The list of current Internet- | |||
| Drafts is at https://datatracker.ietf.org/drafts/current/. | Drafts is at https://datatracker.ietf.org/drafts/current/. | |||
| Internet-Drafts are draft documents valid for a maximum of six months | Internet-Drafts are draft documents valid for a maximum of six months | |||
| and may be updated, replaced, or obsoleted by other documents at any | and may be updated, replaced, or obsoleted by other documents at any | |||
| 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 26 April 2022. | This Internet-Draft will expire on 23 October 2022. | |||
| Copyright Notice | Copyright Notice | |||
| Copyright (c) 2021 IETF Trust and the persons identified as the | Copyright (c) 2022 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 (https://trustee.ietf.org/ | Provisions Relating to IETF Documents (https://trustee.ietf.org/ | |||
| license-info) in effect on the date of publication of this document. | license-info) in effect on the date of publication of this document. | |||
| Please review these documents carefully, as they describe your rights | Please review these documents carefully, as they describe your rights | |||
| and restrictions with respect to this document. Code Components | and restrictions with respect to this document. Code Components | |||
| extracted from this document must include Simplified BSD License text | extracted from this document must include Revised BSD License text as | |||
| as described in Section 4.e of the Trust Legal Provisions and are | described in Section 4.e of the Trust Legal Provisions and are | |||
| provided without warranty as described in the Simplified BSD License. | provided without warranty as described in the Revised BSD License. | |||
| Table of Contents | Table of Contents | |||
| 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 | 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 | |||
| 1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3 | 1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3 | |||
| 2. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 4 | 2. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 4 | |||
| 2.1. Usage Example . . . . . . . . . . . . . . . . . . . . . . 4 | 2.1. Usage Example . . . . . . . . . . . . . . . . . . . . . . 4 | |||
| 3. PCEP Extension . . . . . . . . . . . . . . . . . . . . . . . 4 | 3. PCEP Extension . . . . . . . . . . . . . . . . . . . . . . . 4 | |||
| 3.1. STATEFUL-PCE-CAPABILITY TLV . . . . . . . . . . . . . . . 5 | 3.1. STATEFUL-PCE-CAPABILITY TLV . . . . . . . . . . . . . . . 5 | |||
| 3.2. Handling of P flag . . . . . . . . . . . . . . . . . . . 5 | 3.2. Handling of P flag . . . . . . . . . . . . . . . . . . . 5 | |||
| skipping to change at page 10, line 17 ¶ | skipping to change at page 10, line 17 ¶ | |||
| Extensions for Stateful PCE", RFC 8231, | Extensions for Stateful PCE", RFC 8231, | |||
| DOI 10.17487/RFC8231, September 2017, | DOI 10.17487/RFC8231, September 2017, | |||
| <https://www.rfc-editor.org/info/rfc8231>. | <https://www.rfc-editor.org/info/rfc8231>. | |||
| 8.2. Informative References | 8.2. Informative References | |||
| [I-D.ietf-pce-pcep-yang] | [I-D.ietf-pce-pcep-yang] | |||
| Dhody, D., Hardwick, J., Beeram, V. P., and J. Tantsura, | Dhody, D., Hardwick, J., Beeram, V. P., and J. Tantsura, | |||
| "A YANG Data Model for Path Computation Element | "A YANG Data Model for Path Computation Element | |||
| Communications Protocol (PCEP)", Work in Progress, | Communications Protocol (PCEP)", Work in Progress, | |||
| Internet-Draft, draft-ietf-pce-pcep-yang-16, 22 February | Internet-Draft, draft-ietf-pce-pcep-yang-18, 25 January | |||
| 2021, <https://www.ietf.org/archive/id/draft-ietf-pce- | 2022, <https://www.ietf.org/archive/id/draft-ietf-pce- | |||
| pcep-yang-16.txt>. | pcep-yang-18.txt>. | |||
| [RFC4655] Farrel, A., Vasseur, J.-P., and J. Ash, "A Path | [RFC4655] Farrel, A., Vasseur, J.-P., and J. Ash, "A Path | |||
| Computation Element (PCE)-Based Architecture", RFC 4655, | Computation Element (PCE)-Based Architecture", RFC 4655, | |||
| DOI 10.17487/RFC4655, August 2006, | DOI 10.17487/RFC4655, August 2006, | |||
| <https://www.rfc-editor.org/info/rfc4655>. | <https://www.rfc-editor.org/info/rfc4655>. | |||
| [RFC7525] Sheffer, Y., Holz, R., and P. Saint-Andre, | [RFC7525] Sheffer, Y., Holz, R., and P. Saint-Andre, | |||
| "Recommendations for Secure Use of Transport Layer | "Recommendations for Secure Use of Transport Layer | |||
| Security (TLS) and Datagram Transport Layer Security | Security (TLS) and Datagram Transport Layer Security | |||
| (DTLS)", BCP 195, RFC 7525, DOI 10.17487/RFC7525, May | (DTLS)", BCP 195, RFC 7525, DOI 10.17487/RFC7525, May | |||
| End of changes. 6 change blocks. | ||||
| 11 lines changed or deleted | 11 lines changed or added | |||
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