Re: Assumptions about network designs...

2022-07-12 Thread Andrey Kostin
This is actually not the case. Cable service in some regional areas was restored as late as on Monday and even in the same geographical area there was a partial connectivity, so it looks less probable that network could be overloaded only in some isolated segments longer than the rest of the

Re: Assumptions about network designs...

2022-07-11 Thread sronan
I’m “guessing” based on all the services that were impacted the outage was likely cause by a change that caused a routing change in their multi-service network which overloaded many network devices, and by isolating the source the routes or traffic the rest of the network was able to recover.

Assumptions about network designs...

2022-07-11 Thread Matthew Petach
On Mon, Jul 11, 2022 at 9:01 AM Andrey Kostin wrote: > It's hard to believe that a same time maintenance affecting so many > devices in the core network could be approved. Core networks are build > with redundancy, so that failures can't completely destroy the whole > network. I think you