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Design Decomposition Blog
Iridium Satellite Collision in Space
You might have seen the recent news reports about the collision between U.S. and Russian communication satellites. The U.S. satellite was one of the Iridium satellites. What wasn’t reported and you probably don’t know is that an object database management system (ODBMS) is an important part of the Iridium system. Even though ODBMSs are a [...]
February 13, 2009
(The Acronym) SOA is (Perhaps) Dead (at Some Companies); Long Live Services
I am now also posting on the Cutter Blog. My initial posting is (The Acronym) SOA is (Perhaps) Dead (at Some Companies); Long Live Services. It is a response to Anne Thomas Manes’ SOA is Dead; Long Live Services on her blog at the Burton Group.
January 9, 2009
Atomicity
The typical definition of an atomic task or process is one that cannot be decomposed further. This is vague and subject to interpretation. The Decomposition Matrix on this site uses a specific definition: A task (for business process diagrams) or a process (for data flow diagrams) is atomic if every input relates to every output [...]
December 3, 2008
Well-Formed Business Process Diagrams
My last posting referenced the criteria for a well-formed business process diagram mentioned in Business Process Driven SOA using BPMN and BPEL by Matjaz B. Juric and Kapil Pant. I am going to expand on their criteria to create a more comprehensive definition of a well-formed business process diagram. To start, here are three criteria [...]
November 18, 2008
Recent Business Process Modeling Books
I recently received two new books on business process modeling. Both books looked interesting because they had great titles. As it turns out, one book is great and the other not so good. The not so good book is Business Process Driven SOA using BPMN and BPEL by Matjaz B. Juric and Kapil Pant. There [...]
October 9, 2008
The Design Decomposition Blog
is written by Doug Barry.

An application server is a component-based product that resides in the middle-tier of a server centric architecture. It provides middleware services for security and state maintenance, along with data access and persistence.

Java application servers are based on the Java™ 2 Platform, Enterprise Edition (J2EE™). J2EE uses a multi-tier distributed model. This model generally includes a Client Tier, a Middle Tier, and an EIS Tier. The Client Tier can be one or more applications or browsers. The J2EE Platform is in the Middle Tier and consists of a Web Server and an EJB Server. (These servers are also called "containers.") There can be additional sub-tiers in the middle tier. The Enterprise Information System (EIS) tier has the existing applications, files, and databases.

For the storage of business data, the J2EE platform requires a database that is accessible through the JDBC, SQLJ, or JDO API. The database may be accessible from web components, enterprise beans, and application client components. The database need not be accessible from applets.

See the related content links below for more information.

J2EE multi-tier architecture showing the client tier, middle tier, and EIS tier

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Related recent articles from Google News

Oracle Halts Denial Of Service Threat With Patches
TechWeekEurope UK
The affected products are Oracle Application Server 10g Release 3 version 10.1.3.5.0, Oracle WebLogic Server versions 9.2.4, 10.0.2, 11gR1, 12cR1, and Oracle iPlanet Web Server 7.0 and Oracle Java System Web Server 6.1. The Oracle Containers for J2EE ...
Oracle patches denial-of-service vulnerability Infosecurity Magazine (US)
all 4 news articles »
3 Feb 2012 at 1:26pm
WSO2 Workshop on Creating RESTful APIs Comes to Boston and New York
San Francisco Chronicle (press release)
The session also will examine how WSO2 Enterprise Service Bus (WSO2 ESB), WSO2 Application Server, WSO2 Data Services Server, and two forthcoming WSO2 offerings for API management and API storefront, provide solutions for creating, publishing, ...
and more »
3 Feb 2012 at 12:18am
Inmarsat And Metaswitch Go Overboard With Multi-Voices (SATCOM)
SatNews Publishers
The company will deploy Metaswitch Universal Media Gateways and the MetaSphere Multimedia Telephony Application Server (MTAS) at network hubs in Western Europe and the Pacific Rim, with control from Inmarsat's global headquarters in London.
and more »
2 Feb 2012 at 10:43pm
WebLogic 12c Taking Java EE 6 to the Cloud
InfoQ.com
The new version of WebLogic is the first release of the application server to fully support the Java EE 6 standard, originally approved in December 2009. In addition, WebLogic Server 12c is a key part of Oracle's entire cloud strategy, ...
and more »
27 Jan 2012 at 5:35am
Innovation Insurer Revalidated for IBM's Insurance Industry Framework
MarketWatch (press release)
Testing was on the IBM(R) POWER(R) processor-based platform and IBM WebSphere(R) Application Server to support Innovation customers and Innovation Group's BPO businesses using Insurer. The results were impressive, with Innovation Insurer running at ...
and more »
2 Feb 2012 at 10:16am
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Related books at Amazon.com

Oracle 11g: Developing AJAX Applications with PL/SQL Server Pages
Oracle 11g: Developing AJAX Applications with PL/SQL Server Pages
by Rajeev Kaula
Description: This textbook outlines the structure of Oracle’s primary database language PL/SQL as a server-side Web scripting language for developing AJAX Web applications. It covers topics like Oracle SQL, Oracle PL/SQL, HTML, Javascript, AJAX, and Oracle XML. The book simplifies the concepts necessary to develop simple Web applications as well as more complex AJAX applications. It provides a ...
WebSphere Application Server Administration Using Jython
WebSphere Application Server Administration Using Jython
by Robert A. Gibson, Arthur Kevin McGrath, Noel J. Bergman
Description: Save Time and Money: Streamline WebSphere Application Server Management with Jython Scripting!   Utilizing Jython scripting, you can dramatically reduce the effort, resources, and expense associated with managing WebSphere Application Server. WebSphere Application Server Administration Using Jython will show you how. The first start-to-finish guide to Jython scripting for WebSphere...
Internetworking with TCP/IP, Vol. III: Client-Server Programming and Applications, Linux/Posix Sockets Version
Internetworking with TCP/IP, Vol. III: Client-Server Programming and Applications, Linux/Posix Sockets Version
by Douglas E. Comer, David L. Stevens
Description: Internetworking with TCP/IP, Volume III describes the fundamental concepts of client-server computing used to build all distributed computing systems, and presents an in-depth guide to the Posix sockets standard utilized by Linux and other operating systems. Dr. Douglas E. Comer compares leading server designs, and describes the key tools and techniques used to build clients and se...
More related books: Search Amazon.com for application server