From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 19EE33B29E for ; Mon, 17 May 2021 15:45:27 -0400 (EDT) Received: by mail-ej1-x633.google.com with SMTP id k10so10921406ejj.8 for ; Mon, 17 May 2021 12:45:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=b57xYEDJO2+VEspWpvcWav3hwuRVVFPD1d2UuRi0+Q8=; b=Fdg/yTNZoP+1klosaB9i7WVvmf8FzXrWxZ7YWPHiuT0y6XlQdOYU9+YYEa38qN/UPo KTMglSY1w/F8Dm1S2bNW4nLk7PAV/RJRQFwryw5K5x40csluABmlgquSTIYmvrTx8/Mu iPAjZHqPC9x5bRQ3cXUI8G0oc/lUR7r+gmJtI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=b57xYEDJO2+VEspWpvcWav3hwuRVVFPD1d2UuRi0+Q8=; b=kZtLNJReFRtOq9yARLM/I7f9XYK0X4nkZub2iMDN+ObNYv9f/nyAd5i2HsDtwvNoeM 51T6o/TVmOIN8NfesJB/jn4YK6kf69UxDnLbovpz1a0U+XPsJTdj4WATXaA14c3mky+1 4isJidoM1UiLcLG1PNuThf3VSnMDk2OBIvyUNeOzCwpoGTpxCmotIasLY5rpSx/yHD+G 0IVUKM+OJXJkX2KaBHD6NVLbGHV6jGiATMO7jBWXdP4EDT3FWLcViB7qhx4wmrSj/DPe ggrNnVLFt4LV1p9L7+UWClRyOLaVVmvqrBrTI2e91nW6F5SUKqePut6N2dAwV7kvdGwh zSFw== X-Gm-Message-State: AOAM532loYiTGItq7nxx+jSNDcDmTt5MiIdVucY79WzZRW57V9LnGL7C h9PkGJquyR+ZeG1un3zkDG66KNqy8A2KrEYONiQaxtKN5Elvs8F2zr9nApM1Ji+lpDkd+y5KMBW E4CgzAnnEcaKqe6n/KPqzlzVv76VrUv/OB5gcFNhCcC1e2sk= X-Google-Smtp-Source: ABdhPJz6yYDdpLjnsEyGLRe9wQ6Y+kR2LyygacFqkd7bBnAUwkUK+mCvOl2Rd2M9Ggx/MRF6mZkqvuVbgvCGNIiTA9w= X-Received: by 2002:a17:907:7747:: with SMTP id kx7mr1627756ejc.400.1621280725915; Mon, 17 May 2021 12:45:25 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bob McMahon Date: Mon, 17 May 2021 12:45:15 -0700 Message-ID: To: Dave Taht Cc: Make-Wifi-fast Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000c6d0d405c28bd5e8" Subject: Re: [Make-wifi-fast] wifi implementation advice X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 May 2021 19:45:27 -0000 --000000000000c6d0d405c28bd5e8 Content-Type: multipart/alternative; boundary="000000000000c0338105c28bd5db" --000000000000c0338105c28bd5db Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks for sharing this. The idea of getting rid of QOS seems interesting to me. Ironically, most all the engineering is done around best effort logic paths so, in many instances, one will find the BE outperforms VI per the tails of the latency distributions. I think the idea is "adaptive EDCAs." Some of the current values do change per losing a TXOP but I think better generalizing the adaptations and including things like AIFS could be more optimal. Bob On Mon, May 17, 2021 at 11:33 AM Dave Taht wrote: > I am reposting this link to the list because it has a ton of good > implementation advice that a ton of people have been missing. > > https://blog.tohojo.dk/media/make-wifi-fast-qca.pdf > -- > Latest Podcast: > https://www.linkedin.com/feed/update/urn:li:activity:6791014284936785920/ > > Dave T=C3=A4ht CTO, TekLibre, LLC > _______________________________________________ > Make-wifi-fast mailing list > Make-wifi-fast@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/make-wifi-fast --=20 This electronic communication and the information and any files transmitted= =20 with it, or attached to it, are confidential and are intended solely for=20 the use of the individual or entity to whom it is addressed and may contain= =20 information that is confidential, legally privileged, protected by privacy= =20 laws, or otherwise restricted from disclosure to anyone else. If you are=20 not the intended recipient or the person responsible for delivering the=20 e-mail to the intended recipient, you are hereby notified that any use,=20 copying, distributing, dissemination, forwarding, printing, or copying of= =20 this e-mail is strictly prohibited. If you received this e-mail in error,= =20 please return the e-mail to the sender, delete it from your computer, and= =20 destroy any printed copy of it. --000000000000c0338105c28bd5db Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks=C2=A0for sharing=C2=A0this.

The idea of gett= ing rid of QOS seems interesting to me. Ironically, most all the engineerin= g=C2=A0is done around best effort logic paths so,=C2=A0in many instances, o= ne will find the BE outperforms VI per the tails of the latency distributio= ns.=C2=A0

I think the idea is "adaptive EDCAs." Some of th= e current values do change per losing a TXOP but I think better=C2=A0genera= lizing=C2=A0the adaptations and including things like AIFS could be more op= timal.

Bob




On Mon, May 17, 2021 at 11:33 AM Dave Taht= <dave.taht@gmail.com> wro= te:
I am reposti= ng this link to the list because it has a ton of good
implementation advice that a ton of people have been missing.

https://blog.tohojo.dk/media/make-wifi-fast-qca.p= df
--
Latest Podcast:
https://www.linkedin.com/fe= ed/update/urn:li:activity:6791014284936785920/

Dave T=C3=A4ht CTO, TekLibre, LLC
_______________________________________________
Make-wifi-fast mailing list
M= ake-wifi-fast@lists.bufferbloat.net
https://lists.bufferbloat.net/listinfo/make-wif= i-fast

This ele= ctronic communication and the information and any files transmitted with it= , or attached to it, are confidential and are intended solely for the use o= f the individual or entity to whom it is addressed and may contain informat= ion that is confidential, legally privileged, protected by privacy laws, or= otherwise restricted from disclosure to anyone else. If you are not the in= tended recipient or the person responsible for delivering the e-mail to the= intended recipient, you are hereby notified that any use, copying, distrib= uting, dissemination, forwarding, printing, or copying of this e-mail is st= rictly prohibited. If you received this e-mail in error, please return the = e-mail to the sender, delete it from your computer, and destroy any printed= copy of it. --000000000000c0338105c28bd5db-- --000000000000c6d0d405c28bd5e8 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQagYJKoZIhvcNAQcCoIIQWzCCEFcCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3BMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBUkwggQxoAMCAQICDBhL7k9eiTHfluW70TANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMTAyMjIwNDQyMDRaFw0yMjA5MDEwODA5NDlaMIGM MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFDASBgNVBAMTC0JvYiBNY01haG9uMScwJQYJKoZIhvcNAQkB Fhhib2IubWNtYWhvbkBicm9hZGNvbS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQDyY95HWFm48WhKUyFbAS9JxiDqBHBdAbgjx4iF46lkqZdVkIJ8pGfcXoGd10Vp9yL5VQevDAt/ A/Jh22uhSgKR9Almeux9xWGhG8cyZwcCwYrsMt84FqCgEQidT+7YGNdd9oKrjU7mFC7pAnnw+cGI d3NFryurgnNPwfEK0X7HwRsga5pM+Zelr/ZM8MkphE1hCvTuPGakNylOFhP+wKL8Bmhsq5tNIInw DrPV5EPUikwiGMDmkX8o6roGiUwyqAp8dMZKJZ/vS/aWEELV+gm21Btr7eqdAWyqm09McVpkM4th v/FOYcj8DeJr8MXmHW53gN2fv0BzQjqAdrdCBPNRAgMBAAGjggHZMIIB1TAOBgNVHQ8BAf8EBAMC BaAwgaMGCCsGAQUFBwEBBIGWMIGTME4GCCsGAQUFBzAChkJodHRwOi8vc2VjdXJlLmdsb2JhbHNp Z24uY29tL2NhY2VydC9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAyMC5jcnQwQQYIKwYBBQUHMAGG NWh0dHA6Ly9vY3NwLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwME0G A1UdIARGMEQwQgYKKwYBBAGgMgEoCjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxz aWduLmNvbS9yZXBvc2l0b3J5LzAJBgNVHRMEAjAAMEkGA1UdHwRCMEAwPqA8oDqGOGh0dHA6Ly9j cmwuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAuY3JsMCMGA1UdEQQc MBqBGGJvYi5tY21haG9uQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAfBgNVHSME GDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQUpyXYr5rh8cZzkns+zXmMG1YkBk4w DQYJKoZIhvcNAQELBQADggEBACfauRPak93nzbpn8UXqRZqg6iUZch/UfGj9flerMl4TlK5jWulz Y+rRg+iWkjiLk3O+kKu6GI8TLXB2rsoTnrHYij96Uad5/Ut3Q5F4S0ILgOWVU38l0VZIGGG0CzG1 eLUgN2zjLg++xJuzqijuKQCJb/3+il2MTJ8dcDaXuYcjg7Vt6+EtCBS1SGMVhOTH4Fp50yGWj8ZA bPF1uuJM+dGLJLheUizCr5J/OBEdENg+DSmrqoZ+kZd76iRaF2CkhboR2394Ft8lFlKQiU0q8lnR 9/kdZ0F0iCcUfhaLaGYWujW7N0LZ+rQuTfuPGLx9zZNeNMWSZi/Pc8vdCO7EnlIxggJtMIICaQIB ATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhH bG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgwYS+5PXokx35blu9EwDQYJ YIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEIFWKcmvC3Mfck445XZGxI2qJ00yzDIzCX+cz v7MolXLVMBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIxMDUxNzE5 NDUyNlowaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsGCWCGSAFl AwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFlAwQCATAN BgkqhkiG9w0BAQEFAASCAQBr5j0XQQPSveL1u5A4GtdAYxB2KoNJK+LtFP5VeyweslNesIWIY811 GE1795zrMi8DLiJ54KFsG8q+gNzAPibqPrP/5FiiUBQLpbJCXFFtMeJiJs7JgWY2OpFVqVfRJpbQ k65n7moDBWvzDMfQi6mBEYXrOD1Qutc1QdGXfbbb3scltRtfZXBD8B4mc6BqgD5a6KPqCFiuW/Oj JvoeIGFKgPDI0phN6Jeh5IdJvqOl/LfdU8T+j5/bMXAIHrCSaVMzUul5+TMx3ve5N8rg05J6Tcow MYnkqP7leWLioK3H+lZre17r1VVFmyy6EaWv/h5VjqBZ/a4L1727MrfGBIol --000000000000c6d0d405c28bd5e8--