[ippm] Demo: IOAM Ping using ICMPv6 Loopback
Tal Mizrahi <tal.mizrahi.phd@gmail.com> Thu, 18 April 2024 09:09 UTC
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From: Tal Mizrahi <tal.mizrahi.phd@gmail.com>
Date: Thu, 18 Apr 2024 12:08:54 +0300
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Subject: [ippm] Demo: IOAM Ping using ICMPv6 Loopback
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Hi, We have recently proposed ICMPv6 Loopback, a new ICMPv6 type which is similar to ICMPv6 Echo, except that the Loopback reply includes the IPv6 header, extension headers and IPv6 payload of the corresponding Loopback request. https://datatracker.ietf.org/doc/draft-mcb-intarea-icmpv6-loopback/ In the context of IOAM this means that an IOAM encapsulating node can send an ICMPv6 Loopback request that includes an IOAM option, and the Loopback reply includes the IOAM data of the request. This can be used, for example, in a Ping-like application. We have prepared a demo which leverages the existing IOAM implementation in the Linux kernel, and uses ICMPv6 Loopback in order to implement a Ping-like utility that presents the IOAM data of the nodes along the path. An example of the output of IOAM Ping with two IOAM nodes is shown below, with three data fields per hop (Hop limit/node id, timestamp seconds, timestamp fraction). PING db01::1 (db01::1) 56 data bytes 152 bytes from db01::1: icmp_seq=1 ttl=64 time=0.192 ms IOAM: NodeID=1,HopLim=64,RcvTime=NA NodeID=2,HopLim=63,RcvTime=1712811441.126 152 bytes from db01::1: icmp_seq=2 ttl=64 time=0.078 ms IOAM: NodeID=1,HopLim=64,RcvTime=NA NodeID=2,HopLim=63,RcvTime=1712811442.129 The demo is available at: https://github.com/talmi/IOAM-Ping-Demo Feedback about ICMPv6 Loopback and about the Ping demo will be welcome. Thanks, The authors.
- [ippm] Demo: IOAM Ping using ICMPv6 Loopback Tal Mizrahi
- Re: [ippm] [EXTERNAL] Demo: IOAM Ping using ICMPv… Overcash, Michael (CCI-Atlanta)
- Re: [ippm] [EXTERNAL] Demo: IOAM Ping using ICMPv… Tal Mizrahi
- [ippm] Re: Demo: IOAM Ping using ICMPv6 Loopback Tal Mizrahi