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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:obc.inkyphishfence.com; PTR:obx-outbound.inkyphishfence.com; CAT:NONE; SFS:(4636009)(376002)(136003)(396003)(39860400002)(346002)(46966006)(36840700001)(5660300002)(336012)(478600001)(82740400003)(36906005)(6506007)(966005)(47076005)(186003)(82310400003)(8936002)(45080400002)(53546011)(316002)(110136005)(52536014)(70206006)(7636003)(26005)(356005)(8676002)(7696005)(36860700001)(2906002)(4326008)(166002)(86362001)(9686003)(55016002)(33656002); DIR:OUT; SFP:1101; X-OriginatorOrg: commscope.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jul 2021 22:28:33.2680 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 47d9f8cf-9c3f-4273-bde3-08d940cd63a4 X-MS-Exchange-CrossTenant-Id: 31472f81-8fe4-49ec-8bc3-fa1c295640d7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=31472f81-8fe4-49ec-8bc3-fa1c295640d7; Ip=[3.132.208.199]; Helo=[obc.inkyphishfence.com] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-DM6NAM10FT011.eop-nam10.prod.protection.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR14MB1458 Subject: Re: [Bloat] Really getting 1G out of ISP? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Jul 2021 22:28:37 -0000 --_000_MW4PR14MB479502847D70325BEA1E7A2C8F1B9MW4PR14MB4795namp_ Content-Type: text/plain; charset="windows-1256" Content-Transfer-Encoding: quoted-printable The support for AQM (PIE) is mandatory in D3.1 modems regardless of the US = mode in use (ie sc-qam (3.0) or ofdma (3.1) upstream), so it should be enab= led. Get Outlook for Android ________________________________ From: Bloat on behalf of Aaron Wood <= woody77@gmail.com> Sent: Tuesday, July 6, 2021 11:13:59 PM To: Livingood, Jason Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] Really getting 1G out of ISP? Are these in-flux changes to where the upstream split is why some modems re= port DOCSIS 3.1 downstream, but only 3.0 upstream? (and therefore aren't en= abling AQM on the upstream?) -Aaron =9D =9D =9D =9D =9D =9D =9D External (woody77@gmail.com) Report This Email FAQ= Protection by INKY Are these in-flux changes to where the upstream split is why some modems re= port DOCSIS 3.1 downstream, but only 3.0 upstream? (and therefore aren't e= nabling AQM on the upstream?) -Aaron On Tue, Jun 22, 2021 at 4:04 PM Livingood, Jason via Bloat > wrote: > For DOCSIS the issue seems to be an unfortunate frequency split between u= p and downstream and use of lower efficiency coding schemes. Performance really takes a big step forward once a person has a D3.1 modem = in their home, bringing OFDM and OFDMA as key advancements. Also in flux at= the moment is where the upstream split is in cable networks, which are mov= ing to mid-split or high-split designs that bring more upstream bandwidth. = As well, over the past 18+ months, most cable networks have added substanti= ally more upstream channels as well as performed quite a number of fiber no= de splits. And that is just below the physical layer stuff - there's also a= lot of work at the software layer for modems and CMTSes that is quite inte= resting. JL _______________________________________________ Bloat mailing list Bloat@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/bloat --_000_MW4PR14MB479502847D70325BEA1E7A2C8F1B9MW4PR14MB4795namp_ Content-Type: text/html; charset="windows-1256" Content-Transfer-Encoding: quoted-printable The=20support=20for=20AQM=20(PIE)=20is=20mandatory=20in=20D3.1=20modems=20r= egardless=20of=20the=20US=20mode=20in=20use=20(ie=20sc-qam=20(3.0)=20or=20o= fdma=20(3.1)=20upstream),= =20so=20it=20should=20be=20enabled.

Get=20Outlook=20for=20Android
From:=20Bloat= =20<bloat-bounces@lists.bufferbloat.net>=20on=20behalf=20of=20Aaron= =20Wood=20<woody77@gmail.com>
Sent:=20Tuesday,=20July=206,=202021=2011:13:59=20PM
To:=20Livingood,=20Jason=20<Jason_Livingood@comcast.com>
Cc:=20bloat@lists.bufferbloat.net=20<bloat@lists.bufferbloat.net&= gt;
Subject:=20Re:=20[Bloat]=20Really=20getting=201G=20out=20of=20ISP?
 
Are=20these=20in-flux=20changes to=20where=20the=20= upstream=20split=20is=20why=20some=20modems=20report=20DOCSIS=203.1=20downs= tream,=20but=20only=203.0=20upstream?=20 (and=20therefore=20aren't=20e= nabling=20AQM=20on=20the=20upstream?)

-Aaron

On=20Tue,=20Jun=2022,=202021=20= at=204:04=20PM=20Livingood,=20Jason=20via=20Bloat=20<bloat@lists.bufferbloat.net>=20wrote:<= br> >=20For=20DOCSIS=20the=20issue=20seems=20to=20be=20an=20unfortunate=20fr= equency=20split=20between=20up=20and=20downstream=20and=20use=20of=20lower= =20efficiency=20coding=20schemes.

Performance=20really=20takes=20a=20big=20step=20forward=20once=20a=20person= =20has=20a=20D3.1=20modem=20in=20their=20home,=20bringing=20OFDM=20and=20OF= DMA=20as=20key=20advancements.=20Also=20in=20flux=20at=20the=20moment=20is= =20where=20the=20upstream=20split=20is=20in=20cable=20networks,=20which=20a= re=20moving=20to=20mid-split=20or=20high-split=20designs =20that=20bring=20more=20upstream=20bandwidth.=20As=20well,=20over=20the=20= past=2018+=20months,=20most=20cable=20networks=20have=20added=20substantial= ly=20more=20upstream=20channels=20as=20well=20as=20performed=20quite=20a=20= number=20of=20fiber=20node=20splits.=20And=20that=20is=20just=20below=20the= =20physical=20layer=20stuff=20-=20there's=20also =20a=20lot=20of=20work=20at=20the=20software=20layer=20for=20modems=20and= =20CMTSes=20that=20is=20quite=20interesting.

JL

_______________________________________________
Bloat=20mailing=20list
Bloat@lists.bufferbloat.ne= t
https://lists.bufferbloat.net/listinfo/bloat
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