[ippm] Re: I-D Action: draft-ietf-ippm-asymmetrical-pkts-14.txt

[Sebastian Moeller <[e-mail]>]

Dear all,

decent ID. I do miss a paragraph though in the security consideration sections that explicitly discusses the fact that asymmetric traffic generation lends itself well as an attack amplifier.
Any protocol that elicits response packets can, with source address spoofing, be abused for denial of service attacks, but those protocols that can amplify such traffic are IMHO especially tempting targets for abuse. And they do not come any mord tempting thsn allowing both per packet size and packet rate amplification.

Even if the referenced RFCs in the security considerations might already implicitly or explicitly discuss this, having an elicit paragraph in this ID seems like a good idea.

Best
         Sebastian


On March 17, 2026 6:41:17 AM GMT+01:00, [e-mail] wrote:
>Internet-Draft draft-ietf-ippm-asymmetrical-pkts-14.txt is now available. It
>is a work item of the IP Performance Measurement (IPPM) WG of the IETF.
>
>   Title:   Performance Measurement with Asymmetrical Traffic Using Simple Two-Way Active Measurement Protocol (STAMP)
>   Authors: Greg Mirsky
>            Ernesto Ruffini
>            Henrik Nydell
>            Richard Foote
>            Will Hawkins
>   Name:    draft-ietf-ippm-asymmetrical-pkts-14.txt
>   Pages:   20
>   Dates:   2026-03-16
>
>Abstract:
>
>   This document defines an optional extension to the Simple Two-Way
>   Active Measurement Protocol (STAMP) that enables a Session-Reflector
>   to send asymmetrical packets, that is, response packets whose size or
>   quantity differs from those sent by the Session-Sender.  While
>   standard STAMP exchanges are symmetrical, certain measurement
>   scenarios benefit from reflected packets of different lengths or
>   additional responses to better approximate application traffic
>   conditions.  The extension specifies the Reflected Test Packet
>   Control TLV and associated procedures, analyzes challenges in active
>   performance measurement (including in multicast environments), and
>   describes STAMP behaviors to improve measurement efficiency and
>   reduce network impact.
>
>The IETF datatracker status page for this Internet-Draft is:
>https://datatracker.ietf.org/doc/draft-ietf-ippm-asymmetrical-pkts/
>
>There is also an HTML version available at:
>https://www.ietf.org/archive/id/draft-ietf-ippm-asymmetrical-pkts-14.html
>
>A diff from the previous version is available at:
>https://author-tools.ietf.org/iddiff?url2=draft-ietf-ippm-asymmetrical-pkts-14
>
>Internet-Drafts are also available by rsync at:
>rsync.ietf.org::internet-drafts
>
>
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