By Muhammad Nabeel

July 28, 2013

INTRODUCTION TO WCF ROUTING SERVICE

ABOUT ME

• Sr. Consultant at Neudesic• More than 14 years of experience• Currently working on WCF, Web API and MVC 4.0• Blogs at mnabeelkhan.blogspot.com

AGENDA• What is WCF Routing Service?• Key features• Where to use and where not to use WCF Routing• Developing a WCF Routing Service• Demo• Q &A

WHAT IS WCF ROUTING SERVICE

“A generic SOAP intermediary that has the ability to route messages based on message content”

When a message is received on a router, it looks for:• Action header• Receive address• Address prefix• Message header

KEY FEATURES OF WCF ROUTING SERVICE• Content-based routing

• Protocol bridging• SOAP processing• Advanced error handling• Backup endpoints

MESSAGE EXCHANGE PATTERNS (MEPS)• One-way: ISimplexDatagramRouter• One-way with session: ISimplexSessionRouter• Request-reply: IRequestReplyRouter• Duplex: IDuplexSessionRouter

WCF routing listens to messages using the above mentioned MEPs.

WHERE TO USE AND WHERE NOT TO USE WCF ROUTING

EXAMPLES OF WCF ROUTING USES

• To expose one service to outside world and route messages to other services that are hidden.

• Bridge protocols (We would use that in our demo).• Load balancing.• Fault tolerance.

• Complex architecture• REST base services• Custom message filters that are too heavy.

WHERE NOT USE WCF ROUTING SERVICE

DEMO

Requirements• Visual Studio 2010+• .NET 4.0• Libraries

• Simple Router• RoutingWithMessageModification

RESOURCES

MSDN : http://msdn.microsoft.com/en-us/library/ee517421.aspxMSDN Magazine: http://msdn.microsoft.com/en-us/magazine/cc500646.aspx

QUESTIONS AND ANSWERS

mnabeelkhan.blogspot.com