Re: Soooo..... Netflix

> Something that would be interesting to see (particularly if someone has eyes > in Comcast’s network) is to see how customers in areas where L4S trials are > happening faired in comparison to others. The sample area of the deployment is still to small from which to draw conclusions (~20K homes

Re: Soooo..... Netflix

> My experience over a home internet fiber connection wasn’t great (like > everyone else’s) but my son was watching it over his mobile device without > any issues. That may be an interesting data point – because mobile networks typically rate-shape video streams. JL

Re: Soooo..... Netflix

> Yeah, normally I hold them up as the poster child for a scalable CDN but I’m > hoping they release an RCA explaining what happened. I guess for then it was the difference between pre-recorded content they are used to, vs a live event. I wonder what the latency between live and the stream look

Lumen Contact

Trying to find a Lumen network ops contact – trying to run an operational incident to ground. If you are from Lumen and reading this • please ping Kari Collins (kari_coll...@cable.comcast.com). Thx!

FCC Broadband Labels - Machine-Readable Format in Oct 2024

If you are a US residential broadband provider, you may be aware of the need to publish machine-readable broadband labels in October. A new BITAG report provides a standard format for these files with CSV schema and sample CSV file & a standard way to find/discover the files. See https://www.bi

Re: comcast v4 in pnw

John is no longer at the company - but Tony (cc'd) may be able to assist off-list. On 5/31/24, 14:58, "NANOG on behalf of Randy Bush" mailto:cable.comcast@nanog.org> on behalf of ra...@psg.com > wrote: a bunch of us comcast soho folk, and monitoring gear, are seeing

Re: Help with removing DNS shinkhole FP from Charter/Spectrum

> However, there's no correction process for Spectrum's DNS sinkhole > But back to the topic: someone mentioned to me that Spectrum may not be the > direct providers for the DNS services they provide to their customers. If > anyone knows anything about how I might discover and reach out to the pe

Re: Attn Access ISPs - FCC BB Labels (machine-readable standards)

prefer Zoom. From: NANOG On Behalf Of Livingood, Jason via NANOG Sent: Thursday, April 11, 2024 9:08 AM To: Ben Cartwright-Cox via NANOG Subject: Attn Access ISPs - FCC BB Labels (machine-readable standards) Yesterday the FCC broadband label order is in effect – so all ISPs need to publish the

Attn Access ISPs - FCC BB Labels (machine-readable standards)

Yesterday the FCC broadband label order is in effect – so all ISPs need to publish them. Oct 10, 2024 is the deadline to produce machine-readable BB labels. I have kicked off an effort via the BITAG to standardize the format of these labels. See https://github.com/jlivingood/Broadband-Labels

Re: [EXTERNAL] Charter DNS servers returning malware filtered IP addresses

On 10/30/23, 16:02, "John R. Levine" mailto:jo...@iecc.com>> wrote: > I have no idea whether Charter uses one of these, some other third party, or their own. They don't use those providers as far as I am aware. I've alerted someone from CHTR of this thread. JL

Re: [EXTERNAL] Charter DNS servers returning malware filtered IP addresses

On 10/27/23, 19:01, "NANOG on behalf of Owen DeLong wrote: > If it’s such a reasonable default, why don’t any of the public resolvers > (e.g. 1.1.1.1, 8.8.8.8, 9.9.9.9, etc.) do so? > DNS isn’t the right place to attack this, IMHO. Are we sure that the filtering is done in the default view - I w

Re: Comcast contact sought

> I have been trying to assist someone with a business connection that runs a > server farm. Recently the business cable modem started to short-stop port 53 > for UDP and TCP. Apparently, a transparent DNS proxy somehow got activated > and all outbound traffic to any IPv4 or IPv6 address is in

L4S Trials (Comcast) & Inter-Domain Marking

FYI on two related items of interest to this list. 1 – If you are a Comcast customer, consider volunteering for our upcoming low latency networking trials (using IETF L4S). See my blog post at https://corporate.comcast.com/stories/comcast-kicks-off-industrys-first-low-latency-docsis-field-trials

RE: Test Dual Queue L4S (if you are on Comcast)

he telco industry. Eric From: NANOG On Behalf Of Livingood, Jason via NANOG Sent: Friday, June 16, 2023 2:30 PM To: nanog Subject: Test Dual Queue L4S (if you are on Comcast) FYI that today we (Comcast) have announced the start of low latency networking (L4S) field trials. If you are a custom

Re: [EXTERNAL] RE: Test Dual Queue L4S (if you are on Comcast)

the telco industry. Eric From: NANOG On Behalf Of Livingood, Jason via NANOG Sent: Friday, June 16, 2023 2:30 PM To: nanog Subject: Test Dual Queue L4S (if you are on Comcast) FYI that today we (Comcast) have announced the start of low latency networking (L4S) field trials. If you are a customer

Test Dual Queue L4S (if you are on Comcast)

FYI that today we (Comcast) have announced the start of low latency networking (L4S) field trials. If you are a customer and would like to volunteer, please visit this page. For more info, there is a b

Re: Do ISP's collect and analyze traffic of users?

>> As a decent sized north American ISP I think I need totally agree with this >> post. There simply is not any economically justifiable reason to collect >> customer data, doing so is expensive, and unless you are trying to traffic >> shape like a cell carrier > They shape? News to me... You

Re: Do ISP's collect and analyze traffic of users?

> Why would there be a difference between wireless and wired? Service provisioning in a mobile network is at the device level and tied to an individual vs. at a home shared across many devices & people. So just starting off there is more visibility to say X traffic is related to Y person. Then

Re: Do ISP's collect and analyze traffic of users?

+1 to what Josh writes below. I would also differentiate between mobile networks (service provisioned to individual devices & often carrier s/w on the device) and wireline networks (home devices behind a router/gateway/NAT). I just don't think sale of data is a business for wireline ISPs. If it

Re: Google Speed Test

No only that - NDT is not even an actual speed test*. That it continues to show as the top sponsored result for "speed test" searches is a real shame. Jason * It does not test the aggregate throughput of a connection, merely what one TCP connection can achieve. It is actually a diagnostic tool

Comcast Network Peer Survey on DSCP/ECN for L4S

Hi – Comcast is working on the implementation of ultra-low latency networking, leveraging the IETF’s upcoming L4S standard. This standard will require passing ECN and DSCP markings across network boundaries. As a result, we are interested in your perspective on this and in how you handle marking

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

> is gatekeeping what users MIGHT do, and/or deciding based on corner cases > helpful to this discussion? (this isn't meant as a note directly to dorn, just a convenient place to interject) > Aside from planning based on a formula like Jason Livingood's plan... OR > based on build/deploy/upgrade

Re: [EXTERNAL] Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

> I think peak demand should be flattening in the past year? There's only so much 4k video to consume, so many big games to download? I doubt it - demand continues to grow at a pretty normal year-over-year rate and has been doing so for 25+ years. I don't see that sort of trajectory changing

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

A related observation – years ago we gave cable modem bootfiles to a group of customers that had no rate shaping according to their subscription and compared that to existing customers (with an academic researcher). The experiment group did not know of the change, so it could not influence their

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

>> The challenge is any definition of capacity (speed) requirements is only a >> point-in-time gauge of sufficiency given the mix of apps popular at the time >> & any such point-in-time gauge will look silly in retrospect. ;-) If I were >> a policy-maker in this space I would "inflation-adjust"

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

>> Saying most people don't need more than 25 Mbps is like saying 640k is >> enough for anybody. The challenge is any definition of capacity (speed) requirements is only a point-in-time gauge of sufficiency given the mix of apps popular at the time & any such point-in-time gauge will look silly

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

> This is going to be very painful and difficult for a number of DOCSIS3 > operators, including some of the largest ISPs in the USA with multi-millions > of subscribers with tons of legacy coax plant that have no intention of ever > changing the RF channel setup and downstream/upstream asymmetri

Re: FCC proposes higher speed goals (100/20 Mbps) for USF providers

> Latency is a limitation for things that are generally relatively low > bandwidth (interactive audio, zoom, etc.). > Higher bandwidth won’t solve the latency problem +1 IMO as we enter the 'post-gigabit era', an extra 1 Gbps to the home will matter less than 100 ms or 500 ms lower working laten

Re: RPKI adoption (was: Re: 2749 routes AT RISK )

From: NANOG on behalf of John Curran > Along these lines, I’d like to remind everyone of a fairly important > consultation that Andrew Hadenfeldt posted here last month > (FCC) seeks comment on vulnerabilities threatening the security and integrity > of the Border Gateway Protocol (BGP)... >

Re: PoE, Comcast Modems, and Service Outages

> I asked him to remotely reboot the modem because there was high packet loss. FWIW, as a customer (assuming residential), you can login to the website and check for area outages/impairments at https://www.xfinity.com/support/status-map. You can also use the Xfinity app to remotely reboot you

Re: PoE, Comcast Modems, and Service Outages

> Their crappy equipment needing rebooting every few weeks, not ridiculous. > Their purchasing gear from incompetent vendors who cannot be standards compliant for PoE PD negotiation, tragically plausible. Many customers buy their own cable modem. You can lease an Xfinity device as well and t

Re: Bufferbloat and the pandemic was: V6 still not supported

> Given the tremendous growth of video conferencing which strains the upstream, I wonder how many calls ISP's are getting because the "internet is slow" which is attributable to bufferbloat. Is there really anything that ISP can do if they don't supply the ÇPE? What percentage of

Re: Comcast? Layer2 / ELAN

I’ll reply off-list in a sec From: NANOG on behalf of Joe Carroll Date: Friday, October 29, 2021 at 14:16 To: nanog list Subject: Comcast? Layer2 / ELAN Greetings Fellow Nanog'ers Are there any Comcast engineers in the group that could help to sort out a 10GB layer2 ELAN issue in Florida?

Re: Comcast Customer Owned Modem Firmware : WAS : Xfi Advances Security (comcast)

> Does Comcast actually allow customers who own their own modems full > management of the modem firmware? As far as I have been aware since my time > at Adelphia 20-odd years ago, that has never been allowed by provider; all > users of a given model had the same firmware enforced, customer owned

Re: [EXTERNAL] Re: Xfi Advances Security (comcast)

On 9/13/21, 12:02, "Owen DeLong" wrote: > Yes, but it’s tragically opt-out instead of opt-in as it should be. It is not a default for an Internet access service. It comes bundled as one of several features in an optional add on service. See https://www.xfinity.com/learn/internet-service/modems-

Re: Xfi Advances Security (comcast)

As Alex said, you can submit a request to review a block at https://spa.xfinity.com. Note that this service relies substantially on 3rd party list sources –

Re: Xfi Advances Security (comcast)

On 9/10/21, 10:58, "NANOG on behalf of Chris Boyd" wrote: > Why is Comcast blocking things? That seems like it’s out of scope for an ISP. For Internet access, sure. But ISPs also have value added protection services and this part of an optional content filtering service that is integrated into

Re: New minimum speed for US broadband connections

5373 On Tue, Jun 1, 2021 at 9:20 AM Livingood, Jason via NANOG mailto:nanog@nanog.org>> wrote: > I think the 10:1 ratio might have been great 5 years ago, when usage was more > asymmetric. The last 5 yrs. have definitely changed the profile of a typical > home user. A 4M upload pipe

Re: New minimum speed for US broadband connections

I have seen a lot of questions about what is needed for video/eLearning/telehealth. IMO the beauty of those apps is that they use adaptive bitrate protocols and can work in a wide range of last mile environments – even quite acceptably via mobile network while you are in transit. In my experien

Re: New minimum speed for US broadband connections

> I think the 10:1 ratio might have been great 5 years ago, when usage was more > asymmetric. The last 5 yrs. have definitely changed the profile of a typical > home user. A 4M upload pipe, will hit bottlenecks with all the collaboration > that is happening remotely. I'm not sure ratio is the r

Re: Comcast routine maintenance.

Please accept our apologies for the wording of that notice. I looked at the ticket and it is emergency unplanned physical network repair. I appreciate your patience as a customer and am happy to provide further info or assistance if you’d like (just ping me off-list). Jason From: NANOG on be

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

> If YouTube can mash back-to-back unskippable ads on demand into content, > they can put an emergency alert in there, and I bet people would like them > more than the ads. +1 to that. If a real-time ad exchange can run a market auction to serve you highly targeted ads in fractions of a second

Re: Cable Company Hotspots

> Unclear wether it’s over a separately provisioned bandwidth channel, or > wether it shares the aggregate capacity of the HFC. In the Comcast network it uses separately-provisioned bandwidth in the access network. - Jason