Re: [Explicit-meas] Explicit Flow Measurements implementations
Ian Swett <ianswett@google.com> Mon, 22 March 2021 22:24 UTC
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From: Ian Swett <ianswett@google.com>
Date: Mon, 22 Mar 2021 18:24:14 -0400
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To: Nilo Massimo <massimo.nilo=40telecomitalia.it@dmarc.ietf.org>
Cc: "IETF IPPM WG (ippm@ietf.org)" <ippm@ietf.org>, "quic@ietf.org" <quic@ietf.org>, Dmitri Tikhonov <dtikhonov@litespeedtech.com>, "Lubashev, Igor" <ilubashe@akamai.com>, "alexandre.ferrieux@orange.com" <alexandre.ferrieux@orange.com>, Isabelle Hamchaoui <isabelle.hamchaoui@orange.com>, "explicit-meas@ietf.org" <explicit-meas@ietf.org>, Mirja Kuehlewind <mirja.kuehlewind@ericsson.com>, "emile.stephan@orange.com" <emile.stephan@orange.com>, Marcus Ihlar <marcus.ihlar@ericsson.com>
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Subject: Re: [Explicit-meas] Explicit Flow Measurements implementations
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Thanks for the summary. Is there a plan to share(via email or presentation) what's been learned from those experiments with the IETF? If they've been shared in the past and I forgot, please just add relevant links to this thread so they're easy for people to find. Thanks, Ian On Thu, Mar 18, 2021 at 7:57 AM Nilo Massimo <massimo.nilo= 40telecomitalia.it@dmarc.ietf.org> wrote: > Hi All. > > > > After the "Explicit Flow Measurements" draft presentation ( > https://datatracker.ietf.org/doc/html/draft-mdt-ippm-explicit-flow-measurements-01) > in the IPPM WG on March 12th, it was asked by Ian Sweet and Martin Duke if > there are any implementations of the EFM methodology on servers and clients. > > > > Here is a list of some implementations made by the authors of the draft. > > > > TIM/Telecom Italia has realized an implementation for delay measurement > with: > > - a client and a passive observer on mobile user devices, built in Android > using Quic-Go (with gomobile binding) and spindump library. > > The observer executes delay measurements, both with Spin bit and Delay > bit marking methods. > > The client app exchange QUIC traffic marked for Spin bit/Delay bit > versus a server. > > > > - a server built by mean of Quic-Go, generates marked traffic and supports > delay measurements with Spin bit and Delay bit methods. > > > > (Draft > https://datatracker.ietf.org/doc/html/draft-cnbf-ippm-user-devices-explicit-monitoring-01 > ) > > This implementation have been tested on TIM production network, both > with mobile and fixed access. > > > > - Other implementations for loss algorithms (QR and T) have been tested in > our lab with good results and we are planning to move them in production > network for some services under our control. > > > > Akamai and Orange have built a monitoring system with QL marking, > specifically for loss measurements. > > Their implementation has already been used in CDN servers to make EFM. > > Litespeed Tech also implemented QL marking in their lsquic library. > > > > Moreover, Ericsson is carrying out several monitoring initiatives using > the SpinBit for delay EFM. > > > > Best Regards, > > Massimo and Fabio > > > > ____________________ > > TIM - Telecom Italia > > Via G. Reiss Romoli, 274 > > 10148 - Torino (Italy) > > ____________________ > > > > TIM - Uso Interno - Tutti i diritti riservati. > > ------------------------------ > <https://on.tim.it/banner-mail-dip> > Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle > persone indicate. La diffusione, copia o qualsiasi altra azione derivante > dalla conoscenza di queste informazioni sono rigorosamente vietate. Qualora > abbiate ricevuto questo documento per errore siete cortesemente pregati di > darne immediata comunicazione al mittente e di provvedere alla sua > distruzione, Grazie. > > * This e-mail and any attachments is confidential and may contain > privileged information intended for the addressee(s) only. Dissemination, > copying, printing or use by anybody else is unauthorised. If you are not > the intended recipient, please delete this message and any attachments and > advise the sender by return e-mail, Thanks. * > > *Rispetta l'ambiente. Non stampare questa mail se non è necessario.* >
- [Explicit-meas] Explicit Flow Measurements implem… Nilo Massimo
- Re: [Explicit-meas] Explicit Flow Measurements im… Ian Swett
- Re: [Explicit-meas] [EXT] Re: Explicit Flow Measu… Nilo Massimo
- Re: [Explicit-meas] [EXT] Re: Explicit Flow Measu… Ian Swett
- Re: [Explicit-meas] [EXT] Re: Explicit Flow Measu… Bulgarella Fabio (Guest)
- Re: [Explicit-meas] [EXT] Re: Explicit Flow Measu… Marcus Ihlar