On Wed, 8 Feb 2023 16:43:59 -0800 Dave Taht via Bloat <bloat@lists.bufferbloat.net> wrote:
> On Wed, Feb 8, 2023 at 2:41 PM Luis A. Cornejo <luis.a.corn...@gmail.com> > wrote: > > > > As a former T-mobile HSI customer, I can attest the horrible queue > > management. The deprioritization was so bad that it became basically > > unusable, even a ping or DNS lookup just lagged. I latched to a tower near > > the interstate about 2 miles away. I knew when there was an accident at the > > interstate, my online experience correlated very well. > > I ranted over here about how bad just the depriotization could become, > and also pointed to a flaw, I believe, in how long devices hold onto > packets in that case. I fear that when the network is getting toasty, > and comes back online that there is a thundering herd of devices, > enormous backlogs of stale syns, and so on that hit it, and what is in > place is some sort of timed rate limiter to deal with it, not very > well. It is the only explanation I have for seeing pings come back on > 1s intervals... > > https://blog.cerowrt.org/post/flaws_in_flent/ > I think this is leftover circuit switch telco mindset. Everyone needs/wants/will buy their own slice. It looks like they keep trying and trying to see value added networking. But well-designed best effort is always cheaper, more efficient and overall faster. We heard this story before with MPLS, ATM, etc. _______________________________________________ Bloat mailing list Bloat@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/bloat
