Differences EAI and SOA

February 24th, 2008

Enterprise Application Integration (EAI) refers to techniques used to share data and processes within an organization, and Service Oriented Architecture (SOA) is one of those  techniques.  The term EAI has evolved from being merely describing techniques use to share data, to include techniques use to share both data and processes. Read the rest of this entry »

SOA and CORBA compare

January 31st, 2008

In a Gartner article of December 2nd 2002 title “Predicts 2003: SOA is Changing Software”, Row W. Schulte pointed out “SOA is not a new concept. Computer scientists understood its principles by the mid-1980s when distributed computing and remote procedure calls came to market. However, its use during the 1980s and 1990s was limited to leading-edge projects whose architects had the vision, discipline and money to invest in the initial stages of application development, knowing they would later reap SOA’s rewards of scalability, agility and reuse”  (Schulte, 2002).  This means that Service Oriented Architecture SOA like Common Object Request Broker Architecture CORBA has   been in the market for years now.  Read the rest of this entry »

SOA presentation

January 14th, 2008

Recently I gave a presentation at the dining philosophers tech group here shanghai.. The presentation was title “Introduction to SOA“. The agenda was as follows:

  • The Evolution of EAI
  • What is SOA?
  • SOA prerequisite
  • An SOA Solution-Services and Composite Applications
  • IBM SOA Lifecycle
  • SOA Development Process
  • The SOA Design Styles and Principles
  • Architectural Example1
  • Architectural Example2
  • The Benefits of SOA
  • The Race to SOA by IT gians (IBM, Microsoft, Sun)
  • The Future -Light SOA
  • Discussion, Q&A

Click here to download “introduction to SOA” presentation. All comments and questions are welcome here. Have fun.

Do small businesses need SOA?

August 29th, 2007

enterprise Service Oriented architecture  for Small and medium size businessesMany CTOs argue that SOA is for the big enterprises with huge investments in legacy solo applications. To some extend this arguement is true. However, there is still some room for small and medium size businesses (SMBs) to jump aboard the SOA train and eat some of the fruits of SOA. SMBs can take advantage of SOA design principles by developingt their internal software modules as services components while at the same time staying away from the middleware. The benefits will be a strong tie between the Information System the IT department develops and the business requirements of the company. Thinking in terms of services pushes IT professinals to think like the business professionals .
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SOA & Web2.0 to reshape eBusiness

July 19th, 2007

I just fell on this article from eweek.com. I as well as other SOA leading experts all agree that web 2.0 is here to enable SOA on the web. However, I will add that these technologies have drastically changed the way we do business on the internet. The big guys like amazon and ebay now use SOA to architect their backend and web 2.0 enabled Read the rest of this entry »

Difference between SOA and OOP

July 9th, 2007

I finally made up my mind that it is worth posting something about the difference between SOA and OOP. Some people seems to think that SOA will take over OOP ( off the record). This is not true. The two will continue to life together as i explain below. Read the rest of this entry »

SOA Boot Project

June 23rd, 2007

The SOA Boot Project is base on the business case of a travel agency that wants to achive business Agility. The business requirements are as follows.

  • The Travel Agency (TA) wants to sell flights and hotels online.
  • The TA will obtain real time flight and hotels availability information by connecting to partners GDS systems. Read the rest of this entry »

  • Benefits of SOA

    June 11th, 2007

    Most organizations today depends on IT or technology driven innvations to create sustainable competive advantages. Companies that have a flexible information system response quickly to changes in the market.They catch the train and earned visible business values. SOA provides us this flexible information system that enables businesses to response quickly to changes in the market and at low cost. Read the rest of this entry »

    Definition of SOA

    June 11th, 2007

    SOA or Service Oriented Architecture can be defined as an IT Architectural design style and principles that enables the integration of enterprise applications as linked services . The services can be existing legacy applications modules (ERP modules, CRM Modules) that are wrapped and exposed as web services or newly developped service components. Integration of the Service is done using a middleware that provides the capabilities of an Enterprise Service Bus, ESB. The services collaborate by exchanging well formated messages via the middleware.
    Read the rest of this entry »