jlivingood

6 ms·

1.
by jlivingood 10mo ago
For folks following this here - node and neighborhood look clean. The issue appears to be a failing cable modem (MB8611 - they seem to suffer frequent disconnects when they fail). We have suggested the customer replace the modem ASAP and we
2.
by jlivingood 3y ago
Several D3.1 modems support it now but most will need to be updated. Many of the vendors have been testing at quarterly L4S interop events, so I would expect them all to have production grade s/w next year.
3.
by jlivingood 3y ago
UTP is intended to be less than best effort priority. This is about all the apps trying to share queues at best effort (1 level up).
4.
by jlivingood 3y ago
I wrote a simplified summary of the IETF specs FWIW: https://github.com/jlivingood/IETF-L4S-Deployment/blob/main/...
5.
by jlivingood 3y ago
It makes new cloud-based apps realistically & reliably workable - think cloud gaming and cloud AR. It also makes interactive stuff like gaming and video conferencing perform a lot better w/o lag. But really anything interactive (us
6.
by jlivingood 3y ago
See my comment above - doubt this will happen - rather it will become a differentiator like thoughput.
7.
by jlivingood 3y ago
100% agree - read my IETF Internet Draft for more on that. :-) https://www.ietf.org/archive/id/draft-livingood-low-latency-...
8.
by jlivingood 3y ago
> "Not sure where this leads but I guess ISPs will start charging toll for express lanes" Doubtful IMO. I think latency becomes another competitive differentiator, much like throughput/speed is today. (this is a personal c
9.
by jlivingood 3y ago
It has definitely changed. Looking at measurements on this it seems there is only 1 major transit network doing that, and they are working to fix it.
10.
by jlivingood 6y ago
> How would this work? A 1st draft of the steering mechanism just posted today for comment at https://tools.ietf.org/id/draft-rescorla-doh-cdisco-00.txt
11.
by jlivingood 6y ago
> Comcast sniffs / records / tracks their user's DNS traffic Actually not only does Comcast say they don't do that ( https://www.xfinity.com/privacy/policy/dns ) but now has signed a contract
12.
by jlivingood 6y ago
> Why would DNS have "optimized, localized results"? Any content that is CDN-based (which is most content) dynamically responds to DNS queries based on network and geographic location - to support CDN localization. In this way,
13.
by jlivingood 9y ago
> Why traffic injection instead of mail pieces? I mean, I open all of mine, even the 75%+ that are upsells I don't want, on the off chance one of them will tell me something I need to know. Lots of reasons, including years of experi
14.
by jlivingood 9y ago
It usually means you are about to get a speed upgrade that will go beyond what your modem is capable of delivering. In that case it is possible you could have a 1st generation 4x4 modem (so it can bond 4 downstream and 4 upstream channels).
15.
by jlivingood 9y ago
> They emailed my Comcast.net address, which I didn't even know I had. I recommend you add your primary email address. You can do this via the self-service portal. Go to https://customer.xfinity.com/#/settings&#
16.
by jlivingood 9y ago
> edit: Proof https://imgur.com/lzKBkMs If you look at the far right device you see a non-EOL SB6121. The one on the left that is EOL is the leased one, and the retail one is still allowed. I'm not sure if you have
17.
by jlivingood 9y ago
An RFC is not always a standard - often they are simply 'informational'. For us, when we wrote the document, it was a way to document as transparently as possible how the system worked so that folks would not need to speculate abo
18.
by jlivingood 9y ago
> I sincerely disagree, especially as per the report Comcast's own second level confirmed there was no need to replace the modem. I am skeptical of this - maybe we made a mistake in telling the customer that. The people that are sen
19.
by jlivingood 9y ago
What I meant in the context of that exchange was that the notifications come only after for example multiple emails have not resulted in the device being replaced.
20.
by jlivingood 9y ago
> HTTPS everywhere is excellent advice I couldn't agree more! That's one of the reasons for example we have supported groups like Let's Encrypt ( http://labs.comcast.com/innovation-fund-spotlight-lets-encry.
21.
by jlivingood 9y ago
> Exactly. And the response, "we're not trying to sell you a modem, we're just encouraging you to strongly consider buying a new one" is such a hair-splittingly asinine response considering the rather serious breach o
22.
by jlivingood 9y ago
> Although I disagree with Comcast's method and categorization, it would be interesting to learn what modem the OP was using. We start telling customers that a modem needs to be upgraded when one of two things happen: either they ar
23.
by jlivingood 12y ago
Great quote!