PCEP Extension for Flexible Grid Networks
draft-ietf-pce-flexible-grid-02
PCE Working Group Y. Lee
Internet Draft SKKU
Intended status: Standard Track
Expires: March 10, 2020 H. Zheng (Editor)
Huawei
R. Casellas
R. Vilalta
CTTC
D. Ceccarelli
F. Lazzeri
Ericsson
September 10, 2019
PCEP Extension for Flexible Grid Networks
draft-ietf-pce-flexible-grid-02
Abstract
This document provides the Path Computation Element Communication
Protocol (PCEP) extensions for the support of Routing and Spectrum
Assignment (RSA) in Flexible Grid networks.
Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with
the provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet-
Drafts.
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."
The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html.
Lee, et al Expires March 2020 [Page 1]
Internet-Draft PCEP Extension for Flexible Grid September 2019
This Internet-Draft will expire on June 19, 2019.
Copyright Notice
Copyright (c) 2019 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
carefully, as they describe your rights and restrictions with
respect to this document. Code Components extracted from this
document must include Simplified BSD License text as described in
Section 4.e of the Trust Legal Provisions and are provided without
warranty as described in the Simplified BSD License.
Table of Contents
1. Terminology ................................................. 3
2. Requirements Language ....................................... 3
3. Introduction ................................................ 3
4. Spectrum Assignment (SA) Object ............................. 4
4.1. Frequency-Slot Selection TLV ........................... 6
4.2. Frequency-slot Restriction Constraint TLV .............. 8
4.2.1. Frequency-Slot Restriction Field ................. 10
5. Encoding of a RSA Path Reply ............................... 10
5.1. Error Indicator........................................ 11
5.2. NO-PATH Indicator ..................................... 12
6. Manageability Considerations ............................... 12
6.1. Control of Function and Policy ........................ 12
6.2. Information and Data Models ........................... 13
6.3. Verifying Correct Operation ........................... 13
6.4. Requirements on Other Protocols and Functional Components13
6.5. Impact on Network Operation ........................... 13
7. Security Considerations .................................... 13
8. IANA Considerations ........................................ 14
8.1. New PCEP Object........................................ 14
8.2. New PCEP TLV: Frequency Slot Selection TLV ............. 14
8.3. New PCEP TLV: Frequency Slot Restriction Constraint TLV. 14
8.4. New PCEP TLV: Spectrum Allocation TLV .................. 15
8.5. New No-Path Reasons ................................... 15
Show full document text