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Reception of NTP with Checksum Complement. Transmission of NTP with Checksum Complement. Using the UDP Checksum Complement in NTP. The Trust Legal Provisions and are provided without warranty asġ. Include Simplified BSD License text as described in Section 4.e of Code Components extracted from this document must Please review these documentsĬarefully, as they describe your rights and restrictions with respect This document is subject to BCP 78 and the IETF Trust's Legal

RFC 7821 NTP Checksum Complement March 2016Ĭopyright (c) 2016 IETF Trust and the persons identified as the Information about the current status of this document, any errata,Īnd how to provide feedback on it may be obtained at Internet Standard see Section 2 of RFC 5741. NotĪll documents approved by the IESG are a candidate for any level of Publication by the Internet Engineering Steering Group (IESG). It has received public review and has been approved for

It represents the consensus of the IETFĬommunity. This document is a product of the Internet Engineering This document defines an Experimental Protocol for the InternetĬommunity. Published for examination, experimental implementation, and This document is not an Internet Standards Track specification it is Theīehavior defined in this document is interoperable with existing NTP Timestamping engines to reflect the checksum modification in the lastĢ octets of the packet rather than in the UDP Checksum field. This document proposes anĮxtension field that includes a 2-octet Checksum Complement, allowing Packets are transported over UDP, the UDP Checksum field is then Into every outgoing NTP packet during transmission. Timestamping engines that integrate the accurate transmission time To facilitateĪccurate timestamping, some implementations use hardware-based Time server using timestamped protocol messages. The Network Time Protocol (NTP) allows clients to synchronize to a UDP Checksum Complement in the Network Time Protocol (NTP) Internet Engineering Task Force (IETF) T.