draft-ietf-manet-dlep-latency-extension-02.txt   draft-ietf-manet-dlep-latency-extension-03.txt 
Network Working Group B. Cheng Network Working Group B. Cheng
Internet-Draft Lincoln Laboratory Internet-Draft Lincoln Laboratory
Intended status: Standards Track L. Berger, Ed. Intended status: Standards Track L. Berger, Ed.
Expires: August 18, 2018 LabN Consulting, L.L.C. Expires: August 25, 2018 LabN Consulting, L.L.C.
February 14, 2018 February 21, 2018
DLEP Latency Range Extension DLEP Latency Range Extension
draft-ietf-manet-dlep-latency-extension-02 draft-ietf-manet-dlep-latency-extension-03
Abstract Abstract
This document defines an extension to the DLEP protocol to provide This document defines an extension to the DLEP protocol to provide
the range of latency that may be experienced on a link. the range of latency that may be experienced on a link.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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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 August 18, 2018. This Internet-Draft will expire on August 25, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 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
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Key Words . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1. Key Words . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Extension Usage and Identification . . . . . . . . . . . . . 2 2. Extension Usage and Identification . . . . . . . . . . . . . 2
3. Latency Range Data Item . . . . . . . . . . . . . . . . . . . 3 3. Latency Range Data Item . . . . . . . . . . . . . . . . . . . 3
4. Security Considerations . . . . . . . . . . . . . . . . . . . 3 4. Security Considerations . . . . . . . . . . . . . . . . . . . 4
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4
5.1. Extension Type Value . . . . . . . . . . . . . . . . . . 4 5.1. Extension Type Value . . . . . . . . . . . . . . . . . . 4
5.2. Data Item Value . . . . . . . . . . . . . . . . . . . . . 4 5.2. Data Item Value . . . . . . . . . . . . . . . . . . . . . 4
6. Normative References . . . . . . . . . . . . . . . . . . . . 4 6. Normative References . . . . . . . . . . . . . . . . . . . . 4
Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . 5 Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . 5
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 5 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction 1. Introduction
The Dynamic Link Exchange Protocol (DLEP) is defined in [RFC8175]. The Dynamic Link Exchange Protocol (DLEP) is defined in [RFC8175].
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capitals, as shown here. capitals, as shown here.
2. Extension Usage and Identification 2. Extension Usage and Identification
The use of the Latency Range Extension SHOULD be configurable. To The use of the Latency Range Extension SHOULD be configurable. To
indicate that the Latency Range Extension is to be used, an indicate that the Latency Range Extension is to be used, an
implementation MUST include the Latency Range Extension Type Value in implementation MUST include the Latency Range Extension Type Value in
the Extensions Supported Data Item. The Extensions Supported Data the Extensions Supported Data Item. The Extensions Supported Data
Item is sent and processed according to [RFC8175]. Item is sent and processed according to [RFC8175].
Note: the usage of the extension defined in this document does not
impact processing associated with the Latency Data Item defined in
[RFC8175].
The Latency Range Extension Type Value is TBA1, see Section 5. The Latency Range Extension Type Value is TBA1, see Section 5.
3. Latency Range Data Item 3. Latency Range Data Item
The Latency Range Data Item serves much the same purpose as the The Latency Range Data Item serves much the same purpose as the
Latency Data Item defined in [RFC8175] with the addition of being Latency Data Item defined in [RFC8175] with the addition of being
able to communicate the latency range that may be experienced by able to communicate the latency range that may be experienced by
traffic on a link. The Latency Range Data Item MAY be carried in the traffic on a link. The Latency Range Data Item MAY be carried in any
same messages and MUST be processed according to the same rules as message where the Latency Data Item [RFC8175] is allowed and is
the Latency Data Item defined in [RFC8175]. carried as an additional data item. When present, the Latency Range
Data Item MUST be processed according to the same rules as the
Latency Data Item defined in [RFC8175].
The format of the Latency Range Data Item is: The format of the Latency Range Data Item is:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Data Item Type | Length | | Data Item Type | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Maximum Latency : | Maximum Latency :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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