Academic Tutorials



English | French | Portugese | German | Italian
Home Advertise Payments Recommended Websites Interview Questions FAQs
News Source Codes E-Books Downloads Jobs Web Hosting
Chats

Corba Tutorial
Corba Introduction
Corba Object-Oriented Approach
Corba Object-Oriented Approach
Corba more about Corba
Corba Program Development
Corba Program Development - Part 2
Corba Program Development - Part 3

HTML Tutorials
HTML Tutorial
XHTML Tutorial
CSS Tutorial
TCP/IP Tutorial
CSS 1.0
CSS 2.0
HLML
XML Tutorials
XML Tutorial
XSL Tutorial
XSLT Tutorial
DTD Tutorial
Schema Tutorial
XForms Tutorial
XSL-FO Tutorial
XML DOM Tutorial
XLink Tutorial
XQuery Tutorial
XPath Tutorial
XPointer Tutorial
RDF Tutorial
SOAP Tutorial
WSDL Tutorial
RSS Tutorial
WAP Tutorial
Web Services Tutorial
Browser Scripting
JavaScript Tutorial
VBScript Tutorial
DHTML Tutorial
HTML DOM Tutorial
WMLScript Tutorial
E4X Tutorial
Server Scripting
ASP Tutorial
PERL Tutorial
SQL Tutorial
ADO Tutorial
CVS
Python
Apple Script
PL/SQL Tutorial
SQL Server
PHP
.NET (dotnet)
Microsoft.Net
ASP.Net
.Net Mobile
C# : C Sharp
ADO.NET
VB.NET
VC++
Multimedia
SVG Tutorial
Flash Tutorial
Media Tutorial
SMIL Tutorial
Photoshop Tutorial
Gimp Tutorial
Matlab
Gnuplot Programming
GIF Animation Tutorial
Scientific Visualization Tutorial
Graphics
Web Building
Web Browsers
Web Hosting
W3C Tutorial
Web Building
Web Quality
Web Semantic
Web Careers
Weblogic Tutorial
SEO
Web Site Hosting
Domain Name
Java Tutorials
Java Tutorial
JSP Tutorial
Servlets Tutorial
Struts Tutorial
EJB Tutorial
JMS Tutorial
JMX Tutorial
Eclipse
J2ME
JBOSS
Programming Langauges
C Tutorial
C++ Tutorial
Visual Basic Tutorial
Data Structures Using C
Cobol
Assembly Language
Mainframe
Forth Programming
Lisp Programming
Pascal
Delphi
Fortran
OOPs
Data Warehousing
CGI Programming
Emacs Tutorial
Gnome
ILU
Soft Skills
Communication Skills
Time Management
Project Management
Team Work
Leadership Skills
Corporate Communication
Negotiation Skills
Database Tutorials
Oracle
MySQL
Operating System
BSD
Symbian
Unix
Internet
IP-Masquerading
IPC
MIDI
Software Testing
Testing
Firewalls
SAP Module
ERP
ABAP
Business Warehousing
SAP Basis
Material Management
Sales & Distribution
Human Resource
Netweaver
Customer Relationship Management
Production and Planning
Networking Programming
Corba Tutorial
Networking Tutorial
Microsoft Office
Microsoft Word
Microsoft Outlook
Microsoft PowerPoint
Microsoft Publisher
Microsoft Excel
Microsoft Front Page
Microsoft InfoPath
Microsoft Access
Accounting
Financial Accounting
Managerial Accounting
Network Sites


More about CORBA


Previoushome Next






More about CORBA

A D V E R T I S E M E N T

Let's move our discussion of CORBA from the past to the future. We have discussed much of the fundamental aspects of CORBA programming and there are many more details to cover before we can begin to say that we have our arms around the core functionality of CORBA or the CORBA Services. The problem with this comprehensive functionality is the high level of complexity -- which scares many people away from developing in the CORBA environment. An interesting aspect of developing distributed applications is that most developers are interested in trying to provide or acquire many of the same underlying services. These underlying services include security, event notification, persistence and transactions. And they are critical for giving your distributed application long-term value. The question we need to have answered is: How can these services be packaged so that they are easy to use, easy to learn and easy to distribute?

The specification for the CORBA Component Model (CCM) is written to address these and other complexities in the CORBA object model. The CCM is part of the CORBA 3.0 specification, which is due to be released this year. The CCM is a server-side component model for building and deploying CORBA applications. It is very similar to Enterprise Java Beans (EJB) because it uses accepted design patterns and facilitates their usage, enabling a large amounts of code to be generated. This also allows system services to be implemented by the container provider rather than the application developer. The benefit and need for these types of containers can be observed through the growth of Application Server software. The CCM extends the CORBA object model by defining features and services in a standard environment that enable application developers to implement, manage, configure and deploy components that integrate with commonly used CORBA Services. These server-side services include transactions, security, persistence, and events. common data representation (CDR) format to transfer data across the network.

An object reference does not describe the interface of an object. Before an application can make use of an object (reference), it must somehow determine/know what services an object provides.

Interfaces to objects are defined via the Interface Description Language (IDL). The OMG IDL defines the interface of an object by means of the various methods they support and the parameters these methods accept. Various language mappings exist for the IDL (for example, C, C++, Java, COBOL, etc.). The generated language stubs provide the application with compile-time knowledge which allows these interfaces to be accessed.

The interfaces, alternatively, can be added to a special database, called the interface repository. The interface repository contains a dynamic copy of the interface information of an object, which is generated statically via the IDL. The Dynamic Invocation Interface (DII) is the facility by which an object client can probe an object for the methods it supports and, upon discovering a particular method, can invoke it at runtime. This involves looking up the object interface, generating the method parameters, invoking the method on the remote object and returning the results.

On the “server” side, the Dynamic Skeleton Interface (DSI) allows the ORB to invoke object implementations that do not have static (i.e., compile time) knowledge of the type of object it is implementing. All requests to a particular object are handled by having the ORB invoke the same single call-up routine, called the Dynamic Interface Routine (DIR). The Implementation Repository (as opposed to Interface Repository) is a runtime database of information about the classes the ORB knows of, its instantiated objects and additional implementation information (logging, security auditing, etc.).

The Object Adapter sits above the core ORB network functionality. It acts as a mediator between the ORB and the object, accepting method requests on the object's behalf. It helps alleviate “bloated” objects or ORBs.

The Object Adapter enables the instantiation of new objects, requests passing between the ORB and an object, the assignment of object references to an object (uniquely naming the object), and the registering of classes of objects with the Implementation Repository.

Currently, all ORB implementations must support one object adapter, the Basic Object Adapter (BOA).

All of this talk about interoperability is not useful unless ORBs from different developers/vendors can communicate with one another. The General InterORB Protocol (GIOP) is a bridge specifying a standard transfer syntax and a set of message formats for the networking of ORBs. The GIOP is independent of any network transport.

The Internet InterORB Protocol (IIOP) specifies a mapping between GIOP and TCP/IP. That is, it details how GIOP information is exchanged using TCP/IP connections. In this way, it enables “out-of-the-box” interoperability with IIOP-compatible ORBs based on the world's most popular product and vendor neutral network transport—TCP/IP.

Multi-tier Network Computing

CORBA is an example of what is termed “middleware”--a technology that enables the separation of applications into three distinct sections (see Figure 5):

  1. The presentation, or user interface, tier
  2. The business logic, or control, tier
  3. The data storage tier

Figure 5. Three-Tier Network Computing

/images/corba/2336f5.png



Be the first one to comment on this page.




  Corba Tutorial eBooks

No eBooks on Corba could be found as of now.

 
 Corba Tutorial FAQs
More Links » »
 
 Corba Tutorial Interview Questions
More Links » »
 
 Corba Tutorial Articles

No Corba Articles could be found as of now.

 
 Corba Tutorial News

No News on Corba could be found as of now.

 
 Corba Tutorial Jobs

No Corba Articles could be found as of now.


Share And Enjoy:These icons link to social bookmarking sites where readers can share and discover new web pages.
  • blinkbits
  • BlinkList
  • blogmarks
  • co.mments
  • connotea
  • del.icio.us
  • De.lirio.us
  • digg
  • Fark
  • feedmelinks
  • Furl
  • LinkaGoGo
  • Ma.gnolia
  • NewsVine
  • Netvouz
  • RawSugar
  • Reddit
  • scuttle
  • Shadows
  • Simpy
  • Smarking
  • Spurl
  • TailRank
  • Wists
  • YahooMyWeb

Previoushome Next

Keywords: More about CORBA, CORBA Tutorial, CORBA tutorial pdf, history of CORBA, basic CORBA, syntax use in CORBA, CORBA training courses, CORBA Download.

HTML Quizzes
HTML Quiz
XHTML Quiz
CSS Quiz
TCP/IP Quiz
CSS 1.0 Quiz
CSS 2.0 Quiz
HLML Quiz
XML Quizzes
XML Quiz
XSL Quiz
XSLT Quiz
DTD Quiz
Schema Quiz
XForms Quiz
XSL-FO Quiz
XML DOM Quiz
XLink Quiz
XQuery Quiz
XPath Quiz
XPointer Quiz
RDF Quiz
SOAP Quiz
WSDL Quiz
RSS Quiz
WAP Quiz
Web Services Quiz
Browser Scripting Quizzes
JavaScript Quiz
VBScript Quiz
DHTML Quiz
HTML DOM Quiz
WMLScript Quiz
E4X Quiz
Server Scripting Quizzes
ASP Quiz
PERL Quiz
SQL Quiz
ADO Quiz
CVS Quiz
Python Quiz
Apple Script Quiz
PL/SQL Quiz
SQL Server Quiz
PHP Quiz
.NET (dotnet) Quizzes
Microsoft.Net Quiz
ASP.Net Quiz
.Net Mobile Quiz
C# : C Sharp Quiz
ADO.NET Quiz
VB.NET Quiz
VC++ Quiz
Multimedia Quizzes
SVG Quiz
Flash Quiz
Media Quiz
SMIL Quiz
Photoshop Quiz
Gimp Quiz
Matlab Quiz
Gnuplot Programming Quiz
GIF Animation Quiz
Scientific Visualization Quiz
Graphics Quiz
Web Building Quizzes
Web Browsers Quiz
Web Hosting Quiz
W3C Quiz
Web Building Quiz
Web Quality Quiz
Web Semantic Quiz
Web Careers Quiz
Weblogic Quiz
SEO Quiz
Web Site Hosting Quiz
Domain Name Quiz
Java Quizzes
Java Quiz
JSP Quiz
Servlets Quiz
Struts Quiz
EJB Quiz
JMS Quiz
JMX Quiz
Eclipse Quiz
J2ME Quiz
JBOSS Quiz
Programming Langauges Quizzes
C Quiz
C++ Quiz
Visual Basic Quiz
Data Structures Using C Quiz
Cobol Quiz
Assembly Language Quiz
Mainframe Quiz
Forth Programming Quiz
Lisp Programming Quiz
Pascal Quiz
Delphi Quiz
Fortran Quiz
OOPs Quiz
Data Warehousing Quiz
CGI Programming Quiz
Emacs Quiz
Gnome Quiz
ILU Quiz
Soft Skills Quizzes
Communication Skills Quiz
Time Management Quiz
Project Management Quiz
Team Work Quiz
Leadership Skills Quiz
Corporate Communication Quiz
Negotiation Skills Quiz
Database Quizzes
Oracle Quiz
MySQL Quiz
Operating System Quizzes
BSD Quiz
Symbian Quiz
Unix Quiz
Internet Quiz
IP-Masquerading Quiz
IPC Quiz
MIDI Quiz
Software Testing Quizzes
Testing Quiz
Firewalls Quiz
SAP Module Quizzes
ERP Quiz
ABAP Quiz
Business Warehousing Quiz
SAP Basis Quiz
Material Management Quiz
Sales & Distribution Quiz
Human Resource Quiz
Netweaver Quiz
Customer Relationship Management Quiz
Production and Planning Quiz
Networking Programming Quizzes
Corba Quiz
Networking Quiz
Microsoft Office Quizzes
Microsoft Word Quiz
Microsoft Outlook Quiz
Microsoft PowerPoint Quiz
Microsoft Publisher Quiz
Microsoft Excel Quiz
Microsoft Front Page Quiz
Microsoft InfoPath Quiz
Microsoft Access Quiz
Accounting Quizzes
Financial Accounting Quiz
Managerial Accounting Quiz
Testimonials | Contact Us | Link to Us | Site Map
Copyright ? 2008. Academic Tutorials.com. All rights reserved Privacy Policies | About Us
Our Portals : Academic Tutorials | Best eBooksworld | Beyond Stats | City Details | Interview Questions | Discussions World | Excellent Mobiles | Free Bangalore | Give Me The Code | Gog Logo | Indian Free Ads | Jobs Assist | New Interview Questions | One Stop FAQs | One Stop GATE | One Stop GRE | One Stop IAS | One Stop MBA | One Stop SAP | One Stop Testing | Webhosting in India | Dedicated Server in India | Sirf Dosti | Source Codes World | Tasty Food | Tech Archive | Testing Interview Questions | Tests World | The Galz | Top Masala | Vyom | Vyom eBooks | Vyom International | Vyom Links | Vyoms | Vyom World | Important Websites
Copyright ? 2003-2024 Vyom Technosoft Pvt. Ltd., All Rights Reserved.