Web Services: Interoperability & Integration

11

Web Services:Web Services:Interoperability & IntegrationInteroperability & IntegrationMatt DeaconArchitectMicrosoft [email protected]/matt_deacon

This session addresses the use of web services to build highly interoperable solutions that fit into an enterprise integration architecture

This session addresses the use of web services to build highly interoperable solutions that fit into an enterprise integration architecture

Anatomy of a Service (Web Services) Standards & Interoperability (WS-I) Service-Oriented Architecture (SOA) SOA as an Enterprise Integration Architecture

Web Services: Interoperability & IntegrationWeb Services: Interoperability & IntegrationWeb Services: Interoperability & IntegrationWeb Services: Interoperability & Integration

A service is a program that communicates by

the exchange of messagesMessag

e

ServiceProviderServiceProvider

ServiceConsumer

ServiceConsumer

Anatomy of a serviceAnatomy of a serviceAnatomy of a serviceAnatomy of a service

RequestRequest

ResponseResponse

ImplementationImplementationImplementationImplementation

DataDataBusiness

LogicBusiness

Logic

MessageMessageMessageMessage

DescriptionDescriptionDescriptionDescription

DiscoveryDiscoveryDiscoveryDiscovery

TransportTransportTransportTransport

Service Provider ArchitectureService Provider ArchitectureService Provider ArchitectureService Provider Architecture

Contract

Agreements

ProgrammingLanguage

Object Model

Application

Database

OperatingSystem

Database

OperatingSystem

ProgrammingLanguage

Object Model

Application

You Your Partner

Complexity

Complexity

To Loosely Coupled ServicesFrom Tightly Coupled Objects…From Tightly Coupled Objects…Service couplingService couplingService couplingService coupling

Boundaries are Explicit

Services are Autonomous

Services share schema and contract, not class

Service compatibility is based on policy

Four Tenets of Service DesignFour Tenets of Service DesignFour Tenets of Service DesignFour Tenets of Service Design

ImplementationImplementationImplementationImplementation

DataDataBusiness

LogicBusiness

Logic

MessageMessageMessageMessage

DescriptionDescriptionDescriptionDescription

DiscoveryDiscoveryDiscoveryDiscovery

TransportTransportTransportTransport

.NET/J2EE.NET/J2EE.NET/J2EE.NET/J2EE

DataDataBusiness

LogicBusiness

Logic

SOAP / XMLSOAP / XMLSOAP / XMLSOAP / XML

WSDLWSDLWSDLWSDL

UDDIUDDIUDDIUDDI

HTTP(S)HTTP(S)HTTP(S)HTTP(S)

Web Service ArchitectureWeb Service ArchitectureWeb Service ArchitectureWeb Service Architecture

Messages (SOAP)

3. Binds

2. Discovers

1. Publishes

4. Communicates

ServiceProviderServiceProvider

ServiceDirectory

(UDDI)

ServiceDirectory

(UDDI)

ServiceConsumer

ServiceConsumer

Endpoint(Address)Endpoint(Address)

Contract

(WSDL)

Web Service CommunicationWeb Service CommunicationWeb Service CommunicationWeb Service Communication

Firewall friendly Inter-organisation communication Transparency

Extensible XML framework Implementation neutral

Massive industry momentum Big $

Interoperability BenefitsInteroperability BenefitsInteroperability BenefitsInteroperability Benefits

Microsoft .NET Framework Part of the Framework – no extra additions Compliant with the WS-I Basic Profile 1.0 Create Web Services in any .NET Language

C#, C++, Visual Basic .NET, J#... Even COBOL!

Microsoft WSE (Web Services Enhancements) Enhances the current Web Services stack WS-Security, WS-SecureConversation, WS-Trust,

WS-Policy Fully supported product

Web Service Support in Microsoft ProductsWeb Service Support in Microsoft ProductsWeb Service Support in Microsoft ProductsWeb Service Support in Microsoft Products

Sun Microsystems Web Services support through JAX-RPC specification Java Web Services Developer Pack (JWSDP) 1.5

IBM WebSphere Application Developer Studio (WSAD) 5.1.2 WebSphere Web Services Development Kit (WSDK)

BEA BEA WebLogic 8.1.4

Open Source Apache Axis 1.2, Apache SOAP, GSoap

ISV Systinet Server 5.0 webMethods Glue 5.0.2

Web Service Support for JavaWeb Service Support for JavaWeb Service Support for JavaWeb Service Support for Java

C++ Apache Axis 1.2 Roguewave LEIF 1.2 Systinet Server 5.0

Perl Soap::Lite

Mainframe and Midrange Integration Microsoft Host Integration Server 2004 Microsoft BizTalk Server 2004 ClientSoft Service Builder 3.5 NetManage OnWeb 7.0 ASNA Datagate

Web Service Support for Other platformsWeb Service Support for Other platformsWeb Service Support for Other platformsWeb Service Support for Other platforms

“The one good thing about standards is that there are so many choices”

IETF (protocols, HTTP, TCP, DNS) W3C (XML, HTML, SOAP, WSDL) OASIS (ebXML)

But...

Web Service StandardsWeb Service StandardsWeb Service StandardsWeb Service Standards

“The one good thing about standards is that there are so many choices”

IETF (protocols, HTTP, TCP, DNS) W3C (XML, HTML, SOAP, WSDL) OASIS (ebXML)

But...

Formed in 2002Over 130 Member organisations

Formed in 2002Over 130 Member organisations

Web Service StandardsWeb Service StandardsWeb Service StandardsWeb Service Standards

Goals Provide education and guidance Promote consistent and reliable practices Articulate and promote a common industry vision

Deliverables Profiles

Basic Profile 1.0 16/04/2004, 1.1 24/08/2004Attachments Profile 1.0 24/06/2004Basic Security Profile Working draft 20/01/2005

Usage scenarios and use cases Test tools Sample applications

Web Service InteroperabilityWeb Service InteroperabilityWeb Service InteroperabilityWeb Service Interoperability

SOAPSOAPSOAPSOAP

WSDLWSDLWSDLWSDL

UDDIUDDIUDDIUDDI

HTTP(S)HTTP(S)HTTP(S)HTTP(S)HTTP(S)HTTP(S)HTTP(S)HTTP(S)

.NET/J2EE.NET/J2EE.NET/J2EE.NET/J2EE

DataDataBusiness

LogicBusiness

Logic

DescriptionDescription

DiscoveryDiscovery

ExpressionExpression

SchemaSchema

TransportTransport

MessageMessage SOAP 1.1SOAP 1.1SOAP 1.1SOAP 1.1

WSDL 1.1WSDL 1.1WSDL 1.1WSDL 1.1

UDDI 2.0UDDI 2.0UDDI 2.0UDDI 2.0

HTTP 1.1HTTP 1.1HTTP 1.1HTTP 1.1

XSD 1.0XSD 1.0XSD 1.0XSD 1.0

XML 1.0XML 1.0XML 1.0XML 1.0

WS-I Basic ProfileWS-I Basic Profile WS-I Basic ProfileWS-I Basic Profile


WS-I Test ToolsWS-I Test Tools WS-I Test ToolsWS-I Test Tools


ConsumerConsumer Web ServiceWeb Service

MonitorMonitor

Message LogMessage Log

AnalyzerAnalyzer

ConformanceReport

ConformanceReport

Requirements for Application Interoperability How about securing a Web Service? Can we use Web Services for routing? Are Web Service calls reliable? Transactional Web Services (ACID and long lived) Sending an attachment over a Web Service


Transports HTTP(S) Transports HTTP(S)

XML XML, XSD, XPath XML XML, XSD, XPath

Messaging SOAP, WS-Addressing, WS-EventingMessaging SOAP, WS-Addressing, WS-Eventing

SecurityWS-Security

WS-TrustWS-Federation

SecurityWS-Security

WS-TrustWS-Federation

ReliabilityWS-ReliableMessaging

ReliabilityWS-ReliableMessaging

TransactionsWS-BusinessActivity

WS-CoordinationWS-AtomicTransaction

TransactionsWS-BusinessActivity

WS-CoordinationWS-AtomicTransaction

Meta

data

WSD

L, W

S-P

olic

y,

WS-D

isco

very

Meta

data

WSD

L, W

S-P

olic

y,

WS-D

isco

very

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnglobspec/html/ws-routing.asphttp://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnglobspec/html/ws-routing.asp

WS-* SpecificationsWS-* SpecificationsWS-* SpecificationsWS-* Specifications

Microsoft WSE (Web Services Enhancements) 2.0 http://msdn.microsoft.com/webservices Short release cycle, leading into Indigo

IBM ETTK (Emerging Technologies Toolkit) 1.1 http://www.alphaworks.ibm.com/tech/ettk Alphaworks project. WSAD uses stable drops.

webMethods GLUE 4.1.2 http://www.webmethods.com WS-* support in latest drops, inline with WSE

Standards and InteroperabilityStandards and InteroperabilityStandards and InteroperabilityStandards and Interoperability

Internet Internet BankingBanking

WirelessWireless

AggregationAggregation

Branch BankingBranch Banking

CRMCRM

Core BankingCore Banking

Wealth Wealth ManagementManagement

Treasury / Treasury / ForexForex

Trading / Back Trading / Back office office

Payment Systems and Card MgmtPayment Systems and Card Mgmt3D Secure3D Secure

Business Business IntelligenceIntelligence

EAIEAI

Straight through Straight through ProcessingProcessing

ATM / POSATM / POS

No Application Is An IslandNo Application Is An IslandNo Application Is An IslandNo Application Is An Island

FBT PAY GNTS

TRDS

Client

Customs

RREIPS Integrated A/C

Refunds

RBADef

PaymentsExcise

CR

PKI

ECI ADD AWA ELS

Client StaffRemote

StaffTAX

AGENTS

GCI

Call Centres

WOC

CCD

TASS

StaffPhone

ComplianceStaff

BOA

Ref material

Bus. Intel

NTS A/c

BEP

CDCCCWMS

BANK

DDDR

1

Data…….

Penalty

Business

IVR

1

IT Systems TodayIT Systems TodayIT Systems TodayIT Systems Today

Entity Entity

Activity Activity

Process Process

DatabaseDatabase ComponentComponent PartnerPartner LegacyLegacy

Infra

stru

ctu

rIn

frastru

ctu

ree

Even

Even

ttClients and Agents (Service Consumers)Clients and Agents (Service Consumers)

EnterpriseEnterprise

Service Oriented ArchitectureService Oriented ArchitectureService Oriented ArchitectureService Oriented Architecture

A roadmap to Service Oriented Anarchy Silo Services Service Chains Project Services Parrot Services Newspeak Services Multi-master Services Stovepipe Services Service overload

Service Oriented Anti-patternsService Oriented Anti-patternsService Oriented Anti-patternsService Oriented Anti-patterns

Web Services are good for interoperabilityThey are gaining good industry supportStandards need watchingSOA supports an Enterprise Integrated

VisionGrow locally but manage centrallyNeed to use architecture best practicesBut …

Service Oriented Anti-Patterns!

SummarySummarySummarySummary

Connected Systems: 16th June 2005Connected Systems: 16th June 2005

Please complete your sessionfeedback form

THANK YOU

Please complete your sessionfeedback form

THANK YOU

WS-I, Standards and IndustryWS-I, Standards and IndustryWS-I, Standards and IndustryWS-I, Standards and Industry

Services

Message ExchangePattern

describe

OperationalRequirements

enforce

Systems

composed of

Messages

exchange

is a set ofContracts

bound by

contain Schemas define structure of

governed byPolicies

have

Service OrientationService OrientationKey Concepts Key Concepts

Web Services: TenetsWeb Services: TenetsWeb Services: TenetsWeb Services: Tenets

Boundaries are explicitServices are autonomousServices share schema and contractService compatibility is based on policy

Tenet conformance gives better Interoperability

Better Interoperability means stronger Integration

Web Services Security Digital Signing and Encryption (WS-Security) Trust Issuing Framework & Secure Conversation (WS-Trust, WS-

SecureConversation) Integration with Windows Authentication and Authorization X509, Custom Binary, Username/Password, Kerberos, and XML

Security Token Support Roles based authorization with native integration with Windows

security Policy support to describe integrity, confidentiality, and token

requirements for communicating with WS endpoints (WS-SecurityPolicy)

Policy driven architecture (WS-Policy)SOAP Messaging (WS-Addressing)

Message-based programming model Hosting environment independence Support for multiple transports (HTTP, TCP)

Content based routingAttachmentsExtensible framework

WSE v2.0 FeaturesWSE v2.0 FeaturesWSE v2.0 FeaturesWSE v2.0 Features

http://www.microsoft.com/downloads/details.aspx?FamilyId=60080CA9-2466-43E4-A19C-8A9DE724ABA8&displaylang=en

http://www.microsoft.com/downloads/details.aspx?FamilyId=60080CA9-2466-43E4-A19C-8A9DE724ABA8&displaylang=en

Building InteroperableBuilding InteroperableWeb ServicesWeb ServicesBuilding InteroperableBuilding InteroperableWeb ServicesWeb Services

SOA Expansion stagesSOA Expansion stagesMaturity of SOAMaturity of SOA

Scope of business IntegrationScope of business Integration

Process-enabledProcess-enabled

FundamentalFundamental

NetworkedNetworked

Not feasibleNot feasible

MaintainabilityMaintainability

FlexibilityFlexibility

AgilityAgility

Not cost-effectiveNot cost-effective

Intradepartmental

Intradepartmental

crossdepartmental

crossdepartmental

SimpleB2B

SimpleB2B

ComplexProcess

Integration

ComplexProcess

Integration

Enterprise SOA – Krafzig, Banke, SlamaEnterprise SOA – Krafzig, Banke, Slama

Web Services: Interoperability & Integration

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