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SignalR + Mobile Possibilities
 

SignalR + Mobile Possibilities

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    SignalR + Mobile Possibilities SignalR + Mobile Possibilities Presentation Transcript

    • Local Touch – Global Reach Intro to SignalR + Awesome Mobile Possibilities !Samidip BasuSolutions Lead | MSFT MobilityEmail: Samidip.Basu@us.sogeti.comTwitter: @samidipInfo: http://samidipbasu.infoBlog: http://samidipbasu.comSogeti USA8425 Pulsar Place, Suite 300 | Columbus, OH 43240.www.us.sogeti.com www.us.sogeti.com
    • Central Ohio Windows Phone User Grouphttp://cowpug.orghttp://meetup.com/cowpug@cowpug3rd Monday @ TechColumbus
    • http://www.m3conf.com/@m3conf
    • SilverlightShow (www.silverlightshow.net) – onlineportal for everything Silverlight, XAML and WindowsPhone, 10K+ members.* daily news * tutorials* exclusive articles * forums* free webinars * events* ebooks * newsletters CompletIT (www.completit.com) – Silverlight and Windows Phone trainings, consultations and development company, founder of SilverlightShow. * Individual and group, on-site and online trainings * Standard and custom course schedules * Trainings by Silverlight MVP, MCT
    • Why do we need real-time? New email Twitter/Facebook updates Stock Ticker/Live Auctions Game Scores Real-time Notifications Turn-by-Turn Games Collaboration Progress Bars And obviously, Chat
    • Existing Technologies? HTTP – purely Request/Response protocol Internet – not real-time; stateless; services don’t call your app Consumption model .. But we’ve learnt tricks Periodic/Ajax Polling – not real-time, bandwidth misuse Image courtesy @maartenballiauw
    • Existing Technologies .. contd? Use plugins like SL/Flash – to access sockets Native Web Sockets help – but low level & support flaky Long Polling – server does not respond unless X happens, client polls after data receive or time-out Image courtesy @maartenballiauw
    • Enter SignalR An async, persistent connection/signalling library for .NET ... aids in building real-time, multi-user connected applications. Persistent client-server connection over best transport .. Abstracts away the transport layer. From ASP.NET Team (Damian Edwards & David Fowler) .. Not officially MSFT product, but OSS https://github.com/SignalR/SignalR http://jabbr.net/#/rooms/signal SignalR is broken up into a few packages on NuGet: SignalR - Package for SignalR.Server and SignalR.Js SignalR.Server - Server components needed for SignalR endpoints SignalR.Js - Javascript client for SignalR SignalR.Client - .NET client for SignalR SignalR.WP7 & SignalR.Silverlight – For the cool folks  SignalR.WebSockets - WebSocket Transport for SignalR
    • Live Demos ! Whoa .. What happened here? Client calls server; Server calls client; seamlessly No polling, at least in our code Server maintains Clients .. Broadcast to all, group or individual clients Low level – PersistentConnection; more control Abstraction – Hub; easier to use
    • Where does this stand? Other technologies have solved this problem Socket.IO is a client-side Jscript library that talks to node.js Nowjs supports namespace sync between client-server Primary SignalR advantages  Simplicity & ease of use  Works natively in .NET  Works out of browser  Supports Web Sockets through a NuGet package [ASP.NET 4.5/IIS 8 on Win8 only] [WebSocket is a web technology providing for multiplexing bi-directional, full-duplex communications channels over a single TCP connection. Still being standardized.]  Works on other platforms
    • SignalR Client for iOShttp://dyknow.github.com/SignalR-ObjC/
    • SignalR Client for Mono (Android)http://blog.rthand.com/post/2012/03/14/SignalR-client-on-Mono-for-Android.aspx
    • Local Touch – Global ReachQuestions?Thank you !! www.us.sogeti.com