trace

All posts tagged trace

Two weeks ago Philipp Hancke,  lead WebRTC developer of Talky and part of the &yet‘s WebRTC consulting team, started a series of posts about detailed examinations he is doing on several major VoIP deployments to see if and how they may be using WebRTC. Please see that post on WhatsApp for some background on the series and below for another great analysis – this time on Facebook Messenger. {“editor”: “chad hart“}

Last week, Facebook announced support for video chats in their Messenger app. Given that Messenger claims to account for 10% of global mobile VoIP traffic, this made in a very interesting target for further investigation. As part of the series of deconstructions, the full analysis (another fifteen pages, using the full range of analysis techniques demonstrated earlier) is available for download here, including the wireshark dumps.

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One of our first posts was a Wireshark analysis of Amazon’s Mayday service to see if it was actually using WebRTC. In the very early days of WebRTC, verifying a major deployment like this was an important milestone for the WebRTC community. More recently, Philipp Hancke – aka Fippo – did several great posts analyzing Google Hangouts and Mozilla’s Hello service in Firefox. These analyses validate that WebRTC can be successfully deployed by major companies at scale. They also provide valuable insight for developers and architects on how to build a WebRTC service.

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Amazon aggressively market's its Mayday button for the Kindle? Does this use WebRTC?

Amazon aggressively market’s its Mayday button for the Kindle. Does this use WebRTC?

Many in the industry, including myself, reference Amazon’s Kindle Fire HDX Mayday button as using WebRTC or at least as something that is WebRTC like. The Kindle Fire HDX is not available everywhere, so if you have not seen this the Android Authority has a good video of this feature here.

First lets think about how we tell if an app is using WebRTC. If the app is a webpage it is fairly simple – just look for the use of the getUserMedia and CreatePeerConnection APIs in the site’s Javascript using your browser’s developer console. It is a little more complex if WebRTC is embedded inside a native application. We could start with a debate about “What makes an app a WebRTC app”? If it uses part of WebRTC source code and not the W3C API’s does it count? Since this blog is for developers, not philosophers, let’s start by figuring out what Mayday actually does by looking at a Wireshark trace.

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