Service Oriented Architecture

egyptiannorweiganInternet and Web Development

Oct 31, 2013 (3 years and 11 months ago)

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95
-
843: Service Oriented Architecture

1

Master of Information System
Management

Service Oriented
Architecture

Oracle SOA Suite 11g

95
-
843: Service Oriented Architecture

Oracle SOA Suite 11g
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SOA from a
business point of view
BAD = Business agility through
decoupling!


Better integration with other
enterprises


Become a customer
-
centered
organization


Reduce costs

2

Master of Information System
Management

95
-
843: Service Oriented Architecture

Oracle SOA Suite 11g


SOA from
an architectural point of view


Definition of "architecture":


"The fundamental organization of a system,
embodied in its components, their
relationships to each other and the
environment, and the principles governing its
design and evolution." ANSI/IEEE


Interoperable and loosely coupled service
consumer, provider and registry


Support Governance and Event Driven
Architecture

3

Master of Information System
Management

95
-
843: Service Oriented Architecture

Oracle SOA Suite 11g


SOA from
an implementation point of view


Standards, Standards, Standards


Adherence to Policies

4

Master of Information System
Management

95
-
843: Service Oriented Architecture

Oracle Fusion Middleware
and SOA Suite


Put together through acquisition of
others (BEA, SUN, AmberPoint,
PeopleSoft, and others).


These are intended to be best
-
of
-
bread acquisitions.


Based on Service Component
Architecture (SCA 2007).


FMW 11g rolled out in July 2009.

5

Master of Information System
Management

95
-
843: Service Oriented Architecture

Oracle Fusion Middleware
and SOA Suite


The coupling between service components is very
loose
-

they do not need to know about each other.


Changes in location of services called, reliability
requirements and security can be made without
changing components.


Fusion middleware offers all middleware capabilities.


FMW 11g runs on WebLogic Server 11g


Fusion Middleware is not sold as a single product.


Different suites are offered: BPM Suite, EDA Suite,
Governance Suite, SOA Suite

6

Master of Information System
Management

95
-
843: Service Oriented Architecture

SOA Suite 11g Key
Components(1)


First and foremost an SCA container


Can run multiple instances of every composite
application in parallel


Supports BPEL, Rules Engine Decision Service,
Human workflow service, Spring based Java
Beans, Mediator (transformation, routing,
protocol adaption) and BPMN tools to generate
BPEL

7

Master of Information System
Management

95
-
843: Service Oriented Architecture

SOA Suite 11g Key
Components (2)


XML deployment descriptors are bundled
together into archives: Java Archive (JAR),
Service Assembly Archive (SAR), etc.


May be configured with Oracle Service Bus
ESB. (BEA's AquaLogic Service Bus)


Provides BAM (Business Activity Monitoring
-

including real time data from security gates
and RFID.

8

Master of Information System
Management

95
-
843: Service Oriented Architecture

SOA Suite 11g Key
Components (3)


SOA Suite 11g runs inside WebLogic Server 11g.


Several web applications are included for
configuring and monitoring FMW 11g runtime
operations.


The most important is the The Oracle Enterprise
Manager Fusion Middleware Control Console.


The main design time tool is JDeveloper 11g.


Many Design Time at Run Time features
-

DT@RT permits on the fly configurations.

9

Master of Information System
Management

95
-
843: Service Oriented Architecture

SOA Suite 11g Key
Components (4)


Meta Data Services (MDS) manage XSD documents,
mappings between different vocabularies in different
domains, reusable transformations, human task
definitions, security policies, business rule definitions,
business event definitions, etc.


MDS provides a single interface across all repositories.


The Application Development Framework (ADF) is a
Java Server Faces based framework for
building rich Java web applications. It was used to
create the Enterprise Manager. ADF Business
Components are used to publish SDO services on top of
the database.


10

Master of Information System
Management

95
-
843: Service Oriented Architecture

Getting Started


See Chapter 2 of “Oracle SOA
Suite 11g R1 Developer’s Guide”


Build and deploy a simple BPEL
process.


Include a Mediator in the same
Service Composite.


Deploy a simple Proxy service and
Business Service to the Oracle
Service Bus.

11

Master of Information System
Management