Windows Communication FoundationStipe Ivan Latković

Me, myself and I

• FESB• PhD• Service-oriented online monitor

• DUMP• Interests

• SOA• OOAD• etc.

How we got here

1980s

Object-oriented

Polymorphism

Encapsulation

Subclassing199

0s

Component-based

Interfaces

Dynamic loading

Runtime metadata

2000s

Service-oriented

Messages

Schema + contract

Binding via policy

A unified programming model

?!

ASMX

WSE

MSMQRemoting

COM+ (Enterprise services)

The challenge

...to radically simplify distributed application development

The response

WCF vs ASMX

Clients and services

SOAP message

Endpoints

Client

Endpoint

Service

Endpoint

A B C A B CA A

Where?

B BC C

How?What?

Bindings

Protocol, reliability, encoding, security, ...

PRES+

Out of the box bindings

• BasicHttpBinding• WSHttpBinding• WS2007HttpBinding• WSDualHttpBinding• WSFederationHttp

Binding• WS2007FederationHttp

Binding

• NetTcpBinding• NetNamedPipeBinding• NetMsmqBinding• NetPeerTcpBinding• WebHttpBinding• MsmqIntegrationBinding

Address

[transport]://[server name]:[port]/[ep path]

http://localhost:50000net.tcp://localhost:50000/MyService

net.pipe://localhost/MyPipenet.msmq://localhost/MyService

Contracts

Service contract

The functio-

nality

Data contract

Complex data types

Message contract

Control over the

SOAP messages

Message exchange patterns

One-wayRequest-replyDuplex

Metadata exchange

Security

• Claims based end-to-end security• X509, Username/Password, Kerberos, custom

credentials...• Message security

• Confidentiality and integrity• Transport or message level

• Access to resources• Authentication and authorization

Reliability and transactions

• End-to-end reliable messaging• In-order guarantees• Exactly once guarantees

• Transactions• Guaranteed atomic success or failure across

boundaries

Hosting

• IIS6• HTTP only

• WAS (Windows Activation Service)• Can use any transport• Supported in IIS7

• Self hosting• Can use any transport• Console & WPF apps, Windows services, etc.

WCF tools

• WCF Configuration Editor

• WCF Service Host

• WCF Test Client

• SvcUtil

• SvcTraceViewer

Recommended books

Giveaway

Thnx!