Subject: [ntpwg] Uploaded draft-ietf-ntp-checksum-trailer-01.txt

From: Tal Mizrahi <[email-masked]>
Date: Thu, 15 Jan 2015 09:35:36 +0000

Hi,

I uploaded an updated draft to avoid expiration.
No notable changes.

Tal.

-----Original Message-----
From: [email-masked] [mailto:[email-masked]] 
Sent: Thursday, January 15, 2015 11:34 AM
To: Tal Mizrahi; Tal Mizrahi
Subject: New Version Notification for draft-ietf-ntp-checksum-trailer-01.txt

A new version of I-D, draft-ietf-ntp-checksum-trailer-01.txt
has been successfully submitted by Tal Mizrahi and posted to the IETF repository.

Name:		draft-ietf-ntp-checksum-trailer
Revision:	01
Title:		Using UDP Checksum Trailers in the Network Time Protocol (NTP)
Document date:	2015-01-15
Group:		ntp
Pages:		10
URL:            http://www.ietf.org/internet-drafts/draft-ietf-ntp-checksum-trailer-01.txt
Status:         https://datatracker.ietf.org/doc/draft-ietf-ntp-checksum-trailer/
Htmlized:       http://tools.ietf.org/html/draft-ietf-ntp-checksum-trailer-01
Diff:           http://www.ietf.org/rfcdiff?url2=draft-ietf-ntp-checksum-trailer-01

Abstract:
   The Network Time Protocol (NTP) allows clients to synchronize to a
   time server using timestamped protocol messages. To faciliate
   accurate timestamping, some implementations use hardware-based
   timestamping engines that integrate the accurate transmission time
   into every outgoing NTP packet during transmission. Since these
   packets are transported over UDP, the UDP checksum field is then
   updated to reflect this modification. This document proposes an
   extension field that includes a 2-octet Checksum Trailer, allowing
   timestamping engines to reflect the checksum modification in the last
   2 octets of the packet rather than in the UDP checksum field. The
   behavior defined in this document is interoperable with existing NTP
   implementations.

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