draft-ietf-ntp-packet-timestamps-06.txt   draft-ietf-ntp-packet-timestamps-07.txt 
NTP Working Group T. Mizrahi NTP Working Group T. Mizrahi
Internet-Draft Huawei Network.IO Innovation Lab Internet-Draft Huawei Network.IO Innovation Lab
Intended status: Informational J. Fabini Intended status: Informational J. Fabini
Expires: August 15, 2019 TU Wien Expires: February 21, 2020 TU Wien
A. Morton A. Morton
AT&T Labs AT&T Labs
February 11, 2019 August 20, 2019
Guidelines for Defining Packet Timestamps Guidelines for Defining Packet Timestamps
draft-ietf-ntp-packet-timestamps-06 draft-ietf-ntp-packet-timestamps-07
Abstract Abstract
Various network protocols make use of binary-encoded timestamps that Various network protocols make use of binary-encoded timestamps that
are incorporated in the protocol packet format, referred to as packet are incorporated in the protocol packet format, referred to as packet
timestamps for short. This document specifies guidelines for timestamps for short. This document specifies guidelines for
defining packet timestamp formats in networking protocols at various defining packet timestamp formats in networking protocols at various
layers. It also presents three recommended timestamp formats. The layers. It also presents three recommended timestamp formats. The
target audience of this memo includes network protocol designers. It target audience of this memo includes network protocol designers. It
is expected that a new network protocol that requires a packet is expected that a new network protocol that requires a packet
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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 15, 2019. This Internet-Draft will expire on February 21, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 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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[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, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
11.2. Informative References 11.2. Informative References
[I-D.ietf-ippm-initial-registry] [I-D.ietf-ippm-initial-registry]
Morton, A., Bagnulo, M., Eardley, P., and K. D'Souza, Morton, A., Bagnulo, M., Eardley, P., and K. D'Souza,
"Initial Performance Metric Registry Entries", draft-ietf- "Initial Performance Metrics Registry Entries", draft-
ippm-initial-registry-09 (work in progress), December ietf-ippm-initial-registry-11 (work in progress), March
2018. 2019.
[I-D.ietf-ntp-packet-timestamps] [I-D.ietf-ntp-packet-timestamps]
Mizrahi, T., Fabini, J., and A. Morton, "Guidelines for Mizrahi, T., Fabini, J., and A. Morton, "Guidelines for
Defining Packet Timestamps", draft-ietf-ntp-packet- Defining Packet Timestamps", draft-ietf-ntp-packet-
timestamps-05 (work in progress), December 2018. timestamps-06 (work in progress), February 2019.
[I-D.ietf-sfc-nsh-dc-allocation] [I-D.ietf-sfc-nsh-dc-allocation]
Guichard, J., Smith, M., Kumar, S., Majee, S., and T. Guichard, J., Smith, M., Kumar, S., Majee, S., and T.
Mizrahi, "Network Service Header (NSH) MD Type 1: Context Mizrahi, "Network Service Header (NSH) MD Type 1: Context
Header Allocation (Data Center)", draft-ietf-sfc-nsh-dc- Header Allocation (Data Center)", draft-ietf-sfc-nsh-dc-
allocation-02 (work in progress), September 2018. allocation-02 (work in progress), September 2018.
[IEEE1588] [IEEE1588]
IEEE, "IEEE 1588 Standard for a Precision Clock IEEE, "IEEE 1588 Standard for a Precision Clock
Synchronization Protocol for Networked Measurement and Synchronization Protocol for Networked Measurement and
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