OpenDSN Revisited: The Open, Distributed Social Networking Protocol By Zach Broderick and Tim Hickey.

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Presentation transcript:

OpenDSN Revisited: The Open, Distributed Social Networking Protocol By Zach Broderick and Tim Hickey

What is OpenDSN? An open, standard, platform independent protocol based on XML and HTTP that allows independent social networks to communicate with each other

Background: Explosive growth in social networking over the past few years Facebook, MySpace some of the most visited sites on the internet Why is social networking not integrated into our lives like it has the potential to?

Answer: Lack of Standards Standards essential to growth and integration in computer science Think IBM PC, TCP/IP, W3C There is no social networking standard protocol Monolithic entities rule, do not communicate with each other

Problems Ownership of information Redundancy Monopolies/Economies of scale

Previous Work OpenID Ning Facebook Connect OpenSocial

Introducing OpenDSN Communication protocol between independent networks via HTTP/XML Does not impose restrictions on platform, design, or functionality One set of login credentials, single sign on Only have to enter info/upload content once Automatically synced Control over information privacy

How does it work? Users join a trusted, heavyweight “Home Network” Lightweight, independent “Satellite Networks” pull information and content from Home Network

Home Network Stores, manages, and serves up all personal information and content Can be hosted on own server for maximum privacy Controls access to profile information from Satellite Networks Handles login and authentication

Satellite Networks Sign up by specifying URL of Home Network All profile content pulled from Home; nothing stored on Satellite Log in once via Home Network Allows for anyone to easily create their own network and plug in instantly to internet-wide network Eliminates redundancy and protects information

The Protocol A standard way for Home and Satellite networks to communicate Tasks include establishing credentials, transferring login and session data, and sending profile information Profile data and content encoded in standard XML

Example: Profile Picture Request Satellite asks home network for latest pictures from a members profile Home checks to see which pics Satellite allowed to see, responds with XML At the Beach! 8/14/08

Demonstration and Questions