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Google is speeding up SSL

Everyone loves SSL, also known as Transport Layer Security (TLS), right? Well, the good people at Google have decided to make it even better by speeding it up with a feature called TLS False Start.

Setting up an SSL session requires an initial handshake, which is a series of back-and-forth messages between the Web server and browser. The idea behind False Start is to save time by allowing the browser to start sending data before the handshake is complete. This can save 70 to 150ms, depending on the relative global position between browser and server.

False Start is easy to implement as it only requires changes to the browser. According to Google software engineer Mike Belshe, Chrome is the only browser implementing False Start at this time.

Google has yet another trick up their sleeve called TLS Snap Start. Snap Start could eliminate the handshake latency altogether. This feature is more difficult to deploy as it requires changes by to both Web browser and Web servers.

I applaud Google’s efforts to increase SSL performance and improve our secure browsing experience.

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This entry was posted on Thursday, December 9th, 2010 at 6:33 pm and is filed under Secure Browsing, Technical. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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