The Most Viewed and Most Shared video today in Spain is this clip of an amusing fast-food order from Spanish singer/cover artist Xuso Jones. Jones has posted a number of covers on his channel, many of which have found a mid-level audience — his Jay Sean cover has been seen over 100,000 times. But this latest performance/practical joke has been viewed over half of a million times since Monday and has been particularly popular on Facebook
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Fast Streaming AJAX Proxy, continuously download from cross domain
You can see such a proxy in action when you go to Pageflakes.com. You will see flakes (widgets) loading many different content like weather feed, flickr photo, youtube videos, RSS from many different external domains. All these are done via a Content Proxy. Content Proxy served about 42.3 million URLs last month which is quite an engineering challenge for us to make it both fast and scalable. Sometimes Content Proxy serves megabytes of data, which poses even greater engineering challenge. As such proxy gets large number of hits, if we can save on an average 100ms from each call, we can save 4.23 million seconds of download/upload/processing time every month. That’s about 1175 man hours wasted throughout the world by millions of people staring at browser waiting for content to download.
Such a content proxy takes an external server’s URL as a query parameter. It downloads the content from the URL and then writes the content as response back to browser.
The above timeline shows how request goes to the server and then server makes a request to external server, downloads the response and then transmits back to the browser. The response arrow from proxy to browser is larger than the response arrow from external server to proxy because generally proxy server’s hosting environment has better download speed than the user’s Internet connectivity.Such a content proxy is also available in my open source Ajax Web Portal Dropthings.com. You can see from its code how such a proxy is implemented.
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