Is There a DNS Doctor in the House?

An apple a day may keep the doctor away, but what if the apple itself is sick? Starting a little before 6 am EST on Wednesday, users across Apple’s various internal applications services such as iTunes, iBooks, the App store, and several others experienced growing frustration as repeated attempts to…

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Packet Congestion Ahead

Why the 200ms delay? Over the course of our work, we have the fortune of diving into numerous network issues. One particularly interesting one involves a curious ~200ms delay in the acknowledgement of the response packet for small HTTP responses. This doesn’t sound all that terrible unless you have a…

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