Skype As A Platform

Can Skype turn Skype Lite into Skype as a Platform? One path to a developer-friendly Skype Phil Wolff, editor, Skype Journal November 2009 Phil Wolff, Skype Journal 2009

Skype Lite lets you chat and call from non-smart mobile phones Phil Wolff, Skype Journal 2009

How Does it Work? Phil Wolff, Skype Journal 2009

Skype Lite software runs on mobiles Mobile Network Skype Lite Client Phil Wolff, Skype Journal 2009

Skype voice goes over Mobile Network the mobile carrier’s voice channel. Data over Data Data goes over the Channel mobile carrier’s data channel. Skype Voice over Lite Voice Client Channel Phil Wolff, Skype Journal 2009

Skype servers join voice+data Mobile Network Skype Servers Data over Stream Data Split/Merge Channel Skype Voice over Lite Voice Client Channel Phil Wolff, Skype Journal 2009

The joined Mobile Network Skype Servers voice/data goes to a Data over “naked” Stream Naked Data Channel Split/Merge Skype Skype client S running on Skype Voice over Lite Voice a Skype Client Channel server Phil Wolff, Skype Journal 2009

Naked Mobile Network Skype Servers Skype connects to Data over the Skype Stream Naked Data Channel Split/Merge Skype cloud Skype S P2P Cloud Skype Voice over Lite Voice Client Channel Phil Wolff, Skype Journal 2009

The cloud connects you to Skypers Mobile Network Skype Servers Data over Stream Naked Data Split/Merge Skype Channel Skype S P2P Cloud Skype Voice over Skype-to- Lite Voice Skype Client Channel Phil Wolff, Skype Journal 2009

…and to phone numbers Mobile Network Skype Servers SkypeOut Data over Stream Naked Data Split/Merge Skype Channel SkypeIn Skype S P2P Cloud Skype Voice over Skype-to- Lite Voice Skype Client Channel Phil Wolff, Skype Journal 2009

There are many “naked” instances Mobile Network Skype Servers SkypeOut Data over Stream Naked Data Split/Merge Skype Channel S S SkypeIn S S Skype S S S S S S P2P SS S S Cloud SS S S S S S S Skype Voice over S S S Skype-to- S Lite Voice S Skype S S S Client Channel S S S SS S Phil Wolff, Skype Journal 2009

So there’s a management layer Mobile Network Skype Servers Admin Layer SkypeOut Data over Stream Naked Data Split/Merge Skype Channel S S SkypeIn S S Skype S S S S S S P2P SS S S Cloud SS S S S S S S Skype Voice over S S S Skype-to- S Lite Voice S Skype S S S Client Channel S S S SS S Phil Wolff, Skype Journal 2009

That’s how Skype Lite works Mobile Network Skype Servers Admin Layer SkypeOut Data over Stream Naked Data Split/Merge Skype Channel S S SkypeIn S S Skype S S S S S S P2P SS S S Cloud SS S S S S S S Skype Voice over S S S Skype-to- S Lite Voice S Skype S S S Client Channel S S S SS S Phil Wolff, Skype Journal 2009

SKYPE LITE DOES FOUR VALUABLE THINGS Phil Wolff, Skype Journal 2009

Hosts a “naked Skype” client • Lightweight – without video, UI, cruft • Reliable and Efficient • Unified API Phil Wolff, Skype Journal 2009

Separates user experience from the network • Teams can build different UIs for different mobile devices • Lowers compute and networking burden on mobiles • Easy to update everyone’s engine without updating clients • Metrics on usage rates to inform design and operations Phil Wolff, Skype Journal 2009

Defines a protocol • Protocol connects mobile thin clients to the Skype Gateway server • Includes everything the mobile Skype client can do (presence, chat, voice calls, profile editing) Phil Wolff, Skype Journal 2009

Scales the Gateway like a cloud • Efficient: – Many Lite clients with few Skype servers • Flexible: – Build and destroy instances with demand • Location aware: – Position instances to cut latency Phil Wolff, Skype Journal 2009

Skype Lite is a private platform 1. Hosts a “naked Skype” client 2. Separates user experience from the network 3. Defines a protocol between the mobile thin client and the Skype Gateway server 4. Scales the Gateway like a cloud Phil Wolff, Skype Journal 2009

This creates an opportunity Phil Wolff, Skype Journal 2009

What if we let other parties use Skype’s Gateway? Gateway Web Apps Embedded Devices S Flash Apps Business Systems Desktop Apps Operating Systems Smartphone Apps Phil Wolff, Skype Journal 2009

Skype can support more modes Great for partners 3D Spatial Video Voice Chat Presence Data Mood Phil Wolff, Skype Journal 2009

Skype could unify it’s APIs • Making/taking Skype sessions • Skype calls, IM, file transfer • Skype account creation, deletion • Skype profile editing • Skype control panel for organizations • Skype Credit deposits and payments • Skype ID authentication (Login with Skype) • More to come… Phil Wolff, Skype Journal 2009

To complete the platform • Find alternate means to distribute – Skype’s Encryption binary – Skype’s and third-party codecs – Media assets (e.g. emoticons) • SDKs for popular programming languages, delivery systems Phil Wolff, Skype Journal 2009

What do you get? Phil Wolff, Skype Journal 2009

Skype Inside Phil Wolff, Skype Journal 2009

“Just Add Skype” • Millions of programmers can add Skype to their toolkits • Metered access to the gateway • Commissions for driving revenue to Skype Phil Wolff, Skype Journal 2009

Into what would you like to pour some Skype? Phil Wolff, Skype Journal 2009

Phil Wolff Skype:evanwolf pwolff@dijest.com +1-510-444-8234 http://SkypeJournal.com http://twitter.com/evanwolf http://twitter.com/skypejournal http://www.linkedin.com/in/philwolff Phil Wolff, Skype Journal 2009

Skype As A Platform

by Phil Wolff on Nov 09, 2009

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