ASP.NET SignalR – Outline

Couse Outline

OWIN: Open Web Interface for .NET

 

Problem space, Real-time

In general: Real-time feedback, real-time notifications

For example: 選課系統，訂票系統

 

Developers’ World

Key Point: A Push Service

 

 

Push Services Pattern

Consumer: client, different OS

Push Service: Web Service, Window Service, Azure Cloud Service

External Event: Web Service, Twitter, Facebook, Stock, Weather Data

 

HTTP is the Protocol

 

Technical Approaches for Push

Polling means: do you have something…, do you have something…, do you have something…

 

Long Polling:

 

ASP.NET Platform

 

Persistent Connection 持續不斷連結

Volatile: 短暫的

No-durable: 非持久的

 

 

 

SignalR Sample

Intall-Package Microsoft.AspNet.SignalR.Sample

 

Summary

 

References