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AT&T Wireless traffic shaping apparently making some websites unusable

adriano.fyi

201–210 of 305 posts

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#201

Earlier quoted context omitted.

I'm interested in more info about your client. Is it open source, is there a website or blog post about it?

http://animats.com/sharpview/

I look forward to trying your viewer when it's ready.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#202

Earlier quoted context omitted.

Thats not true, Google Fi has the same priority as postpaid T-Mobile. This is something MVNOs negotiate in their contracts with carriers, not something thats true across the board. Discount MVNOs increase their margins by buying wholesale deprioritized data while Google Fi has negotiated the no deprioritization.

Is this talked about somewhere? All I see is this reddit post[0] by u/Peterfield53, which looks like a very active user on r/GoogleFi but doesn't seem to be a Googler or otherwise a Google Fi support agent. 0: https://old.reddit.com/r/GoogleFi/comments/ulc1t5/perks_of_f...

https://old.reddit.com/r/NoContract/comments/oaophe/data_pri...

>QCI 6 is applied to all of T-Mobile's postpaid and prepaid plans (except for Essentials) and Google Fi which also has QCI 6 as well. This means if you want the absolute best from T-Mobile, you want to get a plan directly from them. Even their cheap $10 prepaid 1GB Connect plan has priority data.

You can apparently confirm this with a rooted phone: https://coveragecritic.com/2019/09/17/how-to-find-qci-values...

>My Google Fi service had a QCI of 6 during regular data use.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#203
post #96

Remember how 5G was supposed to support "the metaverse"?[1] I've been working on a high performance metaverse client. All Rust, all multi-threaded. Designed to max out a gamer PC. Supports Second Life and Open Simulator. Second Life had a reputation for being sluggish. Fixing that. I'm pulling content from the servers at 200Mb/s, sustained. 400Mb/s in tests, but don't need to go that fast. The servers (AWS front-ende…

As I learned the hard way once, when AT&T say “unlimited” they mean up to a certain amount for data. Y’know. Like how Olive Garden offers unlimited breadsticks but then when you get your bill they charge you $40 for each breadstick over the unlimited amount of 2.

This is actually good analogy. OG will definitely throttle your breadsticks if you eat too many by taking their sweet time bringing another basket.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#204
post #94

Earlier quoted context omitted.

Now that my ISP bundles Netflix subscription into their internet plans, access to netflix and fast.com now practically saturate the fiber link, while before it was outright blocked. Hooray for no net neutrality I guess. Another fun part: when netflix IPs was blocked by this ISP, it's pretty much impossible to use netflix because the only way to get around the block was to use VPN, but netflix itself blocks VPN access…

Your ISP entirely blocked netflix? That's incredible shitty.

Spectrum used to dump all Netflix traffic to a device on their regional network. If you blocked that IP range, the service would perform dramatically better.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#205
post #102
post #94

Earlier quoted context omitted.

Your ISP entirely blocked netflix? That's incredible shitty.

Early in the pandemic, I spent a while without wired internet using a wireless hotspot from the library which would not connect to Netflix but any other streaming video service was fine. I forget who the wireless vendor behind the hotspot was—I think it might have been Verizon.

So there's a bit of a weird fact about public libraries, which is that it probably wasn't on the normal internet (Internet1) but was in fact on Internet2 (see [1]).

Internet2 is used by hospitals, among other things, and as such has higher robustness requirements than Internet1. The pandemic created much higher demand for bandwidth from hospitals, forcing Internet2 providers to scramble to keep up in areas. As such, blocking high-bandwidth sites which are clearly lower priority than medical traffic might have actually been a reasonable move.

[1] https://en.wikipedia.org/wiki/Internet2

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#206

Earlier quoted context omitted.

I personally like https://speed.cloudflare.com since it just looks like you're doing typical CloudFlare traffic. The results viewer is also quite nice.

My ISP (Telecom) gives me a speed of 250Mbps using fast.com and 40Mbps using Cloudflare's tool.

Your isp likely has a Netflix oca or is directly peered with Netflix directly. It’s standard for any decent sized ISP since it’s either the largest or 2nd largest by volume peer (youtube being in the other).

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#207

Earlier quoted context omitted.

You're welcome. I took a very quick look at the iPhone capture. I don't see any notable issue (which is expected since this is "working" behavour), and the main noticeable item in the comparison is an apparent lower latency to the server. This appears to match the speculation I saw in the updates as well. One thing you might be able to try, if you're able to change the APN on the hotspot, is to see if you're able to…

I considered switching APNs, but didn't want to run afoul of any AT&T rules. I went ahead and gave it a try anyway, switching from `broadband` to `NXTGENPHONE`. I wasn't able to authenticate with `NXTGENPHONE`, so I switched it back to `broadband`. After re-authenticating, I'm no longer being throttled. I'm both happy and deeply dissatisfied with this outcome because I think now I'm less likely to get to the bottom o…

You're welcome. This just reminded me of the IT Crowd... Have you tried turning it off and on again.

By disconnecting / reconnecting by trying the APN switch, it might've just put you on a different P-GW that has a different traffic shaping configuration or current state.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#208

While everyone knows that all wireless carriers are universally terrible, I've actually had a fairly noneventful (read: good) experience with T-Mobile over the last decade. I've never observed evidence of traffic shaping or any other shady business (like capturing NXDOMAIN DNS responses and directing you to a sponsored search page). I've also never observed significant performance degradation from congestion-based pr…

It’s more due to incompetence than any magnanimity. T-Mobile has a pretty shitty network, with way more local outages and general fuckupitude than the other carriers.

Their focus is speed and density. The other two have much more advanced network management, which as a customer is both good and bad.

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#209

Back in the early 2000's, I worked for a small company that was hired by the law firm representing one of the big cable companies (let's call them Company A). Company A was suing another big cable company (Company X) b/c A claimed that X was throttling customers without telling them and advertising what were in effect unthrottled bandwidth numbers. In order to prove this, the company I worked for went out and hired p…

Did they wait to sue until after you had your data ready? Or were they gonna sue regardless?

Re: AT&T Wireless traffic shaping apparently making some websites unusable

#210
post #102

Earlier quoted context omitted.

Early in the pandemic, I spent a while without wired internet using a wireless hotspot from the library which would not connect to Netflix but any other streaming video service was fine. I forget who the wireless vendor behind the hotspot was—I think it might have been Verizon.

So there's a bit of a weird fact about public libraries, which is that it probably wasn't on the normal internet (Internet1) but was in fact on Internet2 (see [1]). Internet2 is used by hospitals, among other things, and as such has higher robustness requirements than Internet1. The pandemic created much higher demand for bandwidth from hospitals, forcing Internet2 providers to scramble to keep up in areas. As such,…

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