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Posts in category 'Networking'

2017-08-19
PS4 downloads have a reputation of being very slow. I did some digging to find out the root cause, and was surprised.

2017-07-20
Large downloads work from all other servers, but fail from S3. Must be a problem on their end, right?

2016-12-01
Some new proposed protocols will encrypt the transport layer headers. Encryption is good, so more encryption must be better, right? Unfortunately there's going to be a huge hidden cost that'll be paid by anyone troubleshooting networking problems.

2016-02-01
Digging into the history and current state of RST handling, which shows surprising amounts of variability.

2015-10-01
Some background information on flow disruptor, a network simulation tool I wrote. Why write yet another one of those, and did I learn anything while doing it?

2015-08-25
Annotated slides of my presentation at the SIGCOMM 2015 HotMiddleBox workshop, talking about the work we've been doing on TCP optimization in mobile networks over the last few years.

2015-07-09
Thoughts on how to write automated tests for a TCP implementation.

2015-05-18
The filtering language of libpcap is one part wonderful, one part infuriating. This post looks at the infuriating part.

2015-03-14
I was a guest on the Software Gone Wild podcast talking about things we've done at Teclo, and about radio networks.

2014-12-05
I had a partial email outage lasting a few weeks. The ultimate root cause was pretty surprising to me.

2014-11-20
HTTPS/SSL traffic share in mobile networks has doubled in 2014, and is now over 35% of traffic in some networks.

2014-11-11
It's easy to write a TCP stack that works with most traffic. It's harder to write one that interoperates properly with every strange or buggy device that's out there.