[ippm] PDM / PDMv2 Extension Header Testing at Hackathon

"nalini.elkins@insidethestack.com" <nalini.elkins@insidethestack.com> Wed, 15 June 2022 13:57 UTC

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Date: Wed, 15 Jun 2022 13:57:01 +0000
From: "nalini.elkins@insidethestack.com" <nalini.elkins@insidethestack.com>
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Subject: [ippm] PDM / PDMv2 Extension Header Testing at Hackathon
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All,
You may be interested in our project to do PDM / PDMv2 Extension Header Testing at the IETF114 Hackathon.
https://trac.ietf.org/trac/ietf/meeting/wiki/114hackathon#ProjectsIncludedinHackathon

One concern that some have had for quite a few years is if IPv6 Extension Headers can actually be used on the Internet.  PDMv2 cannot succeed if there is a base problem with IPv6 extension headers themselves!  You may be aware of the somewhat (ahem) heated discussions on this topic in v6ops.
To this end, we have been looking at this topic.   We have set up servers with PDM IPv6 Destination Option headers in Mumbai, Atlanta and other locations.  We are using multiple hosting companies.   We also have an analysis program.   By the hackathon, we should have multiple web servers (Apache / LiteSpeed) and an FTP server set up which can do PDM (since it is in the kernel).
Come talk to us at the Hackathon!  Join the team!   
We have also sent IPv6 extension headers to major sites (Google, FB, et al).  If they fail, we have done a traceroute with and without PDM to see exactly how far they get.  We will be writing up our results for IETF115.  We will submit the draft to v6ops and IPPM.   
The main differences between our work (IMO) and that of others doing IPv6 extension headers testing:
1.  We are sending real IPv6 extension headers with real data from a real application.  That is, not just test packets (PADn, et al).2.  We are using multiple hosting companies3.  We are hosting our own servers (that is, not just testing to the major sites)4.  We are doing a deep dive into the potential reasons for any packet drops to the major sites.   We are geolocating the addresses in the traceroute if there is a packet drop to see exactly which device may be dropping the packet.
We would like as many people as possible to review our work!  Who better to look at our methodology than IPPMers?   Please tell us what we may be doing wrong / can do better!
We can also discuss any questions you may have about PDM / PDMv2.
We will (briefly!) present our testing results at IPPM when we talk about the progress of the PDMv2 draft.  Ideally, we will also have had an early SECDIR review.   We are pedaling hard!

Thanks,

Nalini Elkins
CEO and Founder
Inside Products, Inc.
www.insidethestack.com
(831) 659-8360