Develop a middleware component for retrieving Stock Market Exchange information using CORBA

Stock Market.idl
module SimpleStocks{
interface StockMarket
{
float get_price(in string symbol);
};
};

StockMarketClient.java
import org.omg.CORBA.*;
import org.omg.CosNaming.*;
import SimpleStocks.*;


public class StockMarketClient
{

public static void main(String args)
{
try
{
ORB orb=ORB.init(args,null);
NamingContext ncRef=NamingContextHelper.narrow(orb.resolve_initial_references(NameS ....etc

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hi friends,
Can any one tell about middleware technologies?

with regards,
bhavani prakash.
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The SMILE project is developing a new type of messaging middleware system to simplify integration of distributed enterprise applications. Currently, many enterprises use publish-subscribe, request-reply and queuing messaging technologies to glue together their distributed applications into a complex, expensive and virtually unmanageable bodies of code. The vision with SMILE is to give enterprise developers a higher level model for programming and managing distributed messaging systems “ a way to specify a system in terms of what , but not ....etc

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The Ping of Death uses a ping system utility to create an IP packet that exceeds the maximum 65,536 bytes of data allowed by the IP specification. The oversize packet is then sent to an unsuspecting system. Systems may crash, hang, or reboot when they receive such a maliciously crafted packet. This attack is not new, and all OS vendors have fixes in place to handle the oversize packets.

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i want the full seminar report on middleware in pdf form and the related ppt please... ....etc

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Abstract
A distributed system is a piece of software that ensures a collection of independent computers to appear to its users as a single coherent system. The software simulating this is a distributed system simulator. A Distributed system simulator is used for evaluating the performance of the different algorithms such as middleware routing algorithms. In actual implementation it is difficult to evaluate effectively a large-scale distributed system which has substantial resource requirements in terms of node count and network topology. This ....etc

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Domain
SOFTWARE ENGINEERING

Technology
JAVA

Abstract:
ON EVENT-BASED MIDDLEWARE FOR LOCATION-AWARE MOBILE APPLICATIONS

As mobile applications become more widespread, programming paradigms and middleware architectures designed to support their development are becoming increasingly important. The event-based programming paradigm is a strong candidate for the development of mobile applications due to its inherent support for the loose coupling between components required by mobile applications. However, existing middleware that ....etc

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midddleware technologies ....etc

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