Google+ Technological Details
Google Plus or Google+, the long awaited social network from Google, has recently made its debut, being available to a limited number of users based on invitation. The project started in early 2010 and it was done behind the scenes with little or no information available on its underlying technology. Joseph Smarr, a technical lead on Google+ and former CTO at Plaxo, unveiled some of the network’s technical details in an AnyAsk interview without being very specific. We contacted Smarr for further detail on Google+’s architecture, but he declined to offer more information, promising more will be released in the not-so-distant future.
The back-end is built on BigTable and Colossus, Google’s file system used for real-time search.
Smarr acknowledges that the Google+ team learned from others, both from Google and other companies, and they are “’standing on the shoulders of giants’ in many ways, learning both from our previous social products and the industry at large”, perhaps referring to Facebook and Twitter, and the product looks in many ways like Facebook.
Google+ Hangouts is an online cloud video conferencing platform based on XMPP, Jingle, RTP, ICE, STUN, SRTP, and which has taken a completely different approach than Skype which uses a P2P network. Hangouts is a client-server/cloud technology that heavily relies on Google’s infrastructure. There is no data available on how much resources Hangouts consume, but it is expected to be a lot. All of that in order to provide low-latency (<100ms) for smooth group communication.
Christian Oestlien, PM on Google+, has revealed that Google prepares special features for businesses, such as analytics and integration with the other business accounts, but he declined being specific. He asked businesses to refrain from creating Google+ accounts now because they will be deleted, and rather wait until the features are ready.
Goggle+ send feedback feature implementation
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