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Topic: Object request broker

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CORBA

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	ORB: Object Request Broker (Site not responding. Last check: 2007-11-02)
		ORBs handle the transformation of in-process data structures to the byte sequence which is transmitted over the network (of course, also the reverse transformation).
		In the object oriented languages, the ORB is an object, having methods to connect the objects being served.
		ORB must also have some means to obtain the network address of the object that has now become remote.
	www.javvin.com /softwareglossary/ORB.html (134 words)

	Object request broker - Wikipedia, the free encyclopedia
		ORBs handle the transformation of in-process data structures to the byte sequence which is transmitted over the network (of course also the reverse transformation).
		In the object oriented languages, the ORB is an object, having methods to connect the objects being served.
		ORB must also have some means to obtain the network address of the object that has now become remote.
	en.wikipedia.org /wiki/Object_request_broker (269 words)

	Common Object Request Broker Architecture - Wikipedia, the free encyclopedia
		The resulting wrapped objects can then be called from other programs (or CORBA objects) over the network.
		The GIOP is an abstract protocol by which Object request brokers (ORBs) communicate.
		Combat - A Tcl ORB, and a Tcl layer for C++ ORBs.
	en.wikipedia.org /wiki/CORBA (1598 words)

	CORBA - Common Object Request Broker Architecture
		CORBA is the Common Object Request Broker Architecture from the OMG.
		The Common Object Request Broker Architecture (CORBA) is an industry-standard specification for an object request broker (ORB) that acts as a message bus for the transmission of invocation requests and their results to distributed CORBA objects.
		Common Object Request Broker Architecture is an architecture that enables pieces of programs, called objects to communicate with one another regardless of what programming language they were written in or what operating system they're running on.
	www.auditmypc.com /acronym/CORBA.asp (580 words)

	Object request broker: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-11-02)
		In distributed computing, giop (general inter-orb protocol) is the abstract protocol by which object request brokers (orbs) communicate....
		In computing, common object request broker architecture (corba), is a standard for software componentry....
		The application control architecture (aca) was digital equipment corporations (dec) implementation of object request broker (orb)....
	www.absoluteastronomy.com /encyclopedia/o/ob/object_request_broker.htm (541 words)

	COBRA: The Common Object Request Broker Architecture
		ORBs are used to connect objects to one another across a network.
		The server-side (or object implementation-side) analogue of IDL stubs.
		The server-side (or object implementation-side) analogue of the DII.
	www.networkdictionary.com /software/cobra.php (374 words)

	CORBA Resources Overview - Object Request Broker Middleware
		CORBA is essentially a design specification for an Object Request Broker (ORB), where an ORB provides the mechanism required for distributed objects to communicate with one another, whether locally or on remote devices, written in different languages, or at different locations on a network.
		This client process is responsible for obtaining an object reference to a specific object, allowing the client to make requests to that object in the form of a method call on its generated API.
		Once all the object code from steps three and five have been compiled, the object implementation classes need to be linked to the C++ linker.
	www.ois.com /resources/corb-2.asp (1123 words)

	Software Magazine: Entering ORB-it - object request broker; Object Management Group's Common Object Request Broker ...
		Today, many of these issues are addressed by the object request broker (ORB), a piece of middleware that tracks the access and use of objects in a distributed environment.
		Of these parts, the ORB is the one that constitutes the foundation of OMA and manages all communication between its components.
		It allows objects to interact in a heterogeneous, distributed environment, independent of the platforms on which these objects reside and techniques used to implement them.
	www.findarticles.com /p/articles/mi_m0SMG/is_n1_v17/ai_19013543 (454 words)

	What is Object Request Broker? - a definition from Whatis.com - see also: ORB
		In Common Object Request Broker Architecture (CORBA), an Object Request Broker (ORB) is the programming that acts as a "broker" between a client request for a service from a distributed object or component and the completion of that request.
		Having ORB support in a network means that a client program can request a service without having to understand where the server is in a distributed network or exactly what the interface to the server program looks like.
		CORBA's ORB may be thought of as strategic middleware that is more sophisticated conceptually and in its capabilities than earlier middleware, including Remote Procedure Calls (RPCs), message-oriented middleware, database stored procedures, and peer-to-peer services.
	searchwebservices.techtarget.com /sDefinition/0,,sid26_gci214209,00.html (698 words)

	Chapter 4: Common Object Request Broker Architecture (CORBA)
		The ORB is involved in marshaling and unmarshaling objects between the client and server.
		Although this object is now being managed by the ORB, the clients do not yet have a mechanism to find the remote object.
		ORB is not a full ORB, and is primarily used as a factory for
	java.sun.com /developer/onlineTraining/Programming/JDCBook/corba.html (2829 words)

	Object Request Broker (ORB) (Site not responding. Last check: 2007-11-02)
		The ORB is responsible for all interactions between the client and the server objects.
		On the server side, the ORB receives messages from the client, processes the messages (demarshaling), and passes the results back to the client object.
		Thus, the ORB takes care of most of the house-keeping activities such as creating and closing sockets, network byte ordering, and request demultiplexing.
	hegel.ittc.ku.edu /docs/th/node8.html (101 words)

	Entering ORB-it - object request broker; Object Management Group's Common Object Request Broker Architecture - includes ...
		Today, many of these issues are addressed by the object request broker (ORB), a piece of middleware that tracks the access and use of objects in a distributed environment.
		Of these parts, the ORB is the one that constitutes the foundation of OMA and manages all communication between its components.
		It allows objects to interact in a heterogeneous, distributed environment, independent of the platforms on which these objects reside and techniques used to implement them.
	findarticles.com /p/articles/mi_m0SMG/is_n1_v17/ai_19013543 (822 words)

	CORBA - Common Object Request Broker Architecture (Site not responding. Last check: 2007-11-02)
		It allows programs at different locations and developed by different vendors to communicate in a network through an "interface broker." CORBA was developed by a consortium of vendors through the Object Management Group (OMG), which currently includes over 500 member companies.
		ORB support in a network of clients and servers on different computers means that a client program (which may itself be an object) can request services from a server program or object without having to understand where the server is in a distributed network or what the interface to the server program looks like.
		However, CORBA and Microsoft have agreed on a gateway approach so that a client object developed with the Component Object Model will be able to communicate with a CORBA server (and vice versa).
	www.olagam.net /corba.htm (306 words)

	Object Request Broker (Site not responding. Last check: 2007-11-02)
		An ORB is a software component that mediates the transfer of messages from a program to an object located on a remote network host.
		An ORB lets you create standard software objects whose member functions can be invoked by client programs located anywhere in your network.
		As shown in Figure 2, the ORB redirects the function call across the network to the target object.
	www.iona.com /support/docs/e2a/asp/5.0/corba/ims_connector/html/intro4.html (167 words)

	Object Request Broker
		The Object Management Group (OMG) is a consortium comprised of both companies and institutions, with more than 700 members.
		The key component of the Object Management Architecture is the Object Request Broker, often called ``object bus,'' which allows communication among these objects by directing remote method invocations from client to server.
		Invocations on a stub objects cause all parameters to be packaged into a request which is then transparently sent to the object implementation.
	www.fpx.de /fp/Uni/Diplom/node9.html (563 words)

	Distributed Object Computing In The Internet Age
		The Java applet uses the Object Request Broker to communicate with a software object running behind the package delivery company's firewall; this object queries the company's database and returns status information through the ORB to the Java applet, which displays the information for the user.
		VisiBroker enables objects written in C++ or Java to be accessed by other objects written in other languages, including C++, Java, Smalltalk and others.
		Should a client request connections to multiple objects residing on the same server, the requests are multiplexed over a single network connection.
	info.borland.com /visibroker/papers/distributed/wp.html (4898 words)

	Define CORBA - a definition from Whatis.com - see also: Common Object Request Broker Architecture (Site not responding. Last check: 2007-11-02)
		Both International Organization for Standardization (ISO) and X/Open have sanctioned CORBA as the standard architecture for distributed objects (which are also known as components).
		The essential concept in CORBA is the Object Request Broker (ORB).
		Distributed Objects is a well-arranged presentation about CORBA made with Lotus Freelance.
	whatis.techtarget.com /definition/0,289893,sid9_gci213865,00.html (436 words)

	Distributed Objects (CORBA and OLE/ActiveX) \| Page 2
		ORB finds an object on the network, delivers requests to the object, activates the object (if not already active), and returns any messages back to the sender.
		Specifically, object adaptors provide services such as registering server classes with the implementation repository; creating object instances to handle incoming client calls; assigning unique IDs, known as object references, to the newly created objects; broadcasting the availability of object servers; and handles the incoming client calls by passing them along to the server stub (skeleton).
		When invoked, the DSI determines the server object to be invoked and the method to be invoked (the selection is based on parameters values supplied by an incoming message).
	www.networkcomputing.com /netdesign/1005part2b.html (5346 words)

	Object Request Broker custom properties
		Specifies the port to which the ORB connects for bootstrapping, the port of the machine on which the initial server contact for this client listens.
		When this property is set to true, the ORB first sends a short message to the server to find the object that it needs to access.
		If the number of concurrent client requests to a single host and port exceeds the setting for this property, the IIOP Tunnel Servlet opens a temporary connection to the target server for each extra client request, and then closes the connection after it receives the reply.
	publib.boulder.ibm.com /infocenter/wasinfo/v6r0/topic/com.ibm.websphere.nd.doc/info/ae/ae/rorb_setg.html (2520 words)

	What is CORBA? - a definition from Whatis.com - see also: Common Object Request Broker Architecture
		It allows programs at different locations and developed by different vendors to communicate in a network through an "interface broker." CORBA was developed by a consortium of vendors through the Object Management Group (OMG), which currently includes over 500 member companies.
		The essential concept in CORBA is the Object Request Broker (ORB).
		ORB support in a network of clients and servers on different computers means that a client program (which may itself be an object) can request services from a server program or object without having to understand where the server is in a distributed network or what the interface to the server program looks like.
	searchsqlserver.techtarget.com /sDefinition/0,,sid87_gci213865,00.html (524 words)

	[No title] (Site not responding. Last check: 2007-11-02)
		Competitors Distributed object computing extends an object-oriented programming system by allowing objects to be distributed across a heterogeneous network, so that each of these distributed object components interoperate as a unified whole.
		These objects may be distributed on different computers throughout a network, living within their own address space outside of an application, and yet appear as though they were local to an application.
		Java/RMI server objects are named using URLs and for a client to acquire a server object reference, it should specify the URL of the server object as you would with the URL to a HTML page.
	filebox.vt.edu /users/atiku/CORBA(800Group09).doc (2101 words)

	Gaurav Seth's WebLog : JLCA 3.0 - Common Object Request Broker Architecture (CORBA)
		Converting object implementations extending from org.omg.CORBA.DynamicImplementation requires the source code to be modified changing the inheritance to the right skeleton and implementing the functionality declared in the respective IDL file.
		Object Request Brokers (ORB) implementations different than IBM WSDK (such as VisiBroker) are not converted.
		Thus, server/clients require intervention in the sections related to objects accesses and ORB initialization because the code is vendor dependant.
	blogs.msdn.com /gauravseth/archive/2006/06/07/620726.aspx (1053 words)

	Chapter 12 The Object Request Broker
		The CORBA (Common Object Request Broker Architecture) model is based on clients requesting services from distributed objects or servers through a well-defined interface by issuing requests to the objects in the form of remote method requests.
		A remote method request carries information about the operation that needs to be performed including the object name (called an object reference) of the service provider and parameters, if any, for the invoked method.
		The Object Request Broker (ORB) is the central component of CORBA.
	docs.sun.com /source/817-6088/orb.html (697 words)

	HOW THE OBJECT MANAGEMENT GROUPs CORBA MAY BE FAILING THE OBJECT-ORIENTED CAUSE - 1 - CBRonline.com (Site not responding. Last check: 2007-11-02)
		At the time the Object Group had cause to celebrate as it appeared to have headed off the development of a schism within the object community over the question of static versus dynamic binding in an object request broker.
		Well, the first point to be clarified is that problems within the object request broker vendor community do not stem from a lack of market demand: since 1991 the vogue for client-server computing and distributed data has grown apace and this should be good news for the marketing and promotion of object request broker technology.
		When most of the object request broker products from such vendors were in their developmental infancy Unix and C was the place to be.
	www.cbronline.com /article_cg.asp?guid=CCB6788F-4E95-4C7E-9371-C455514F9FE0 (1372 words)

	Object Request Broker service settings in administrative console: WAS v5.1 (Site not responding. Last check: 2007-11-02)
		Tweaking ORB settings can improve application performance in the case of applications containing enterprise beans.
		Object references passed to EJB methods or to EJB home methods are not copied and can be subject to corruption.
		As a general rule, any application code that passes an object reference as a parameter to an enterprise bean method or EJB home method must be scrutinized to determine if passing that object reference results in loss of data integrity or other problems.
	www.skywayradio.com /tech/WAS51/ORB_service_settings_console.html (698 words)

	CORBA ( Common Object Request Broker Architecture and Component Object Request Broker Architecture) Definition
		CORBA (Common Object Request Broker Architecture and Component Object Request Broker Architecture) Definition
		The essential concept in CORBA is the Object Request Broker (
		ORB support in a network of clients and servers on different computers means that a client program (which may itself be an
	www.bitpipe.com /tlist/CORBA.html (316 words)

	Infospheres Group - (Distributed Technologies) - Caltech
		Electra is a CORBA object request broker for robust distributed systems.
		User interface objects such as sliders, buttons, and text editors - as well as the "layout" objects used to compose them - can mix arbitrarily in Fresco with graphical objects (those that perform graphical transformations).
		It is a multi-threaded high performance ORB suitable for use in large scale commercial systems and embedded real-time systems.
	www.infospheres.caltech.edu /resources/dist_tech.html (838 words)

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