Monday, August 10, 2009

Making the switch

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Well that's funny. Just a few hours after my last post, which suggested that virtio based networking might be getting bested by the not-...

(not) switching contexts.

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a lot of bits have been spilled over virtual network performance in v-bus vs virtio-net/virtio-pci.. (aka alacrity vm vs traditional kvm/qem...
Tuesday, July 21, 2009

Caution - (S)Low Bridge Ahead

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This post will not be satisfying. Someone has posted some great datapoints about virtualized packet forwarding, which is great. But they don...
Monday, July 20, 2009

What is eating those Google SYN-ACKs?

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In this post , I mentioned google was seeing huge packet loss on syn-acks from their servers. At the time it looked like 2%. That sounded nu...
Tuesday, July 14, 2009

Google Thinks TCP should be more Aggressive by Default

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Really interesting post from Jerry Chu of Google . He says Google has data which shows that we ought to lower the initial RTO, increase the ...
Sunday, June 28, 2009

'Violation' is so prejorative

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Ben Hutchings says: >[...] we also have architectural issues in violating layered > software design Meanwhile, in the real world, we w...
Monday, June 1, 2009

Software - Creative Economy, Blue Collar, or Just Rearranging Bits?

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Via Ezra Klein, here is a really interesting bit from this Sunday's New York Times magazine: The Case for Working with Your Hands . I ha...
Tuesday, May 26, 2009

VOIP Recorder: Phonebook.. aka the "Mom is calling" feature

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I am continuing to add little features to VOIP Recorder that help round out the overall functionality. The newest feature to join the party ...
Monday, May 11, 2009

VOIP Recorder: Filter Anonymous Calls

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I released a fun new feature for VOIP Recorder today: filters based on anonymous calls. Just set the calling number to be "anonymous...
Friday, May 1, 2009

VOIP Recorder: Listen Live

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I've had the opportunity to add a few new features to my Vonage call recording application, VOIP Recorder . The most entertaining featur...
Sunday, April 19, 2009

device_create() and the linux shifting API

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The kernel API for device_create() in 2.6.26 and previous versions was: extern struct device *device_create(struct class *cls, struct device...
Thursday, April 16, 2009

Recording calls made with Vonage

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I am looking for early adopters (isn't that a nice euphemism for tester?) for a new project I have been working on: VOIP Recorder. VOIP ...