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Topic: DCOM

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	What is DCOM? - A Word Definition From the Webopedia Computer Dictionary
		DCOM uses the RPC mechanism to transparently send and receive information between COM components (i.e., clients and servers) on the same network.
		DCOM was first made available in 1995 with the initial release of Windows NT 4.
		DCOM serves the same purpose as IBM's DSOM protocol, which is the most popular implementation of CORBA.
	www.webopedia.com /TERM/D/DCOM.html (201 words)

	Lowen Systems COM DCOM
		DCOM manages connections to components that are dedicated to a single client, as well as components that are shared by multiple clients, by maintaining a reference count on each component.
		DCOM provides a multitude of ways to "tweak" the actual network protocol and network traffic without changing the way that clients perceive the component: Client-side caching, referrals, and replacing the network transport when necessary are but a few techniques that are possible.
		DCOM on the component's machine then validates the username again using whatever authentication mechanism is configured and checks the access control list for the component (actually for the first component run in the process containing the component).
	www.lowensystems.com /comdcominfo.htm (9213 words)

	DBMS - April 1997 - Inside DCOM
		DCOM is an extension of the Component Object Model (COM), which has been part of the Windows family of operating systems for many years as the underlying framework that makes OLE, and more recently ActiveX, possible.
		DCOM is part of Windows NT 4.0; at the time of this writing it had entered what is likely to be the final beta test for Windows 95.
		DCOM is poised to be a key player in the world of multitier distributed object solutions.
	www.dbmsmag.com /9704d13.html (3520 words)

	TDG - a technical introduction to DCOM
		Even though the details of the DCOM run-time library (Object Request Broker) may vary from implementation to implementation, the interaction between the run-time library and the components, as well as between components, is standardized.
		DCOM for Windows 95 is currently in beta and due for release before the end of 1996.
		DCOM uses a single port for initiating connections and assigns a configurable range of ports to the actual components running on a machine (actually one port per process.
	www.dalmatian.com /dcom.htm (10604 words)

	DCOM - a Whatis.com definition - see also: Distributed Component Object Model (Site not responding. Last check: 2007-10-22)
		DCOM (Distributed Component Object Model) is a set of Microsoft concepts and program interfaces in which client program objects can request services from server program objects on other computers in a network.
		DCOM is based on the Component Object Model (COM), which provides a set of interfaces allowing clients and servers to communicate within the same computer (that is running Windows 95 or a later version).
		DCOM is generally equivalent to the Common Object Request Broker Architecture (CORBA) in terms of providing a set of distributed services.
	whatis.techtarget.com /definition/0,289893,sid9_gci213883,00.html (368 words)

	DCOM for Linux FAQ
		DCOM is a distributed object technology developed by Microsoft.
		DCOM is a complex body of software that incorporates technologies such as distributed objects programming, object life cycle management, communications protocols, security, cross-platform interoperability.
		DCOM for Linux runtime, SDK, examples and documentation are available for free from Software AG.
	www.softworksltd.com /dcomlinuxfaq.html (1004 words)

	Component Object Model (COM), DCOM, and Related Capabilities
		While COM and DCOM represent "low-level" technology that allows components to interact, OLE [Brockschmidt 95], ActiveX [Active 97] and MTS [Harmon 99] represent higher-level application services that are built on top of COM and DCOM.
		Certainly, as the inventor and primary advocate of COM and DCOM, Microsoft is expected to have strong influence on the overall direction of the technology and underlying APIs.
		DCOM for non-Windows platforms is mainly used to communicate COM based programs with legacy applications in Mainframes and Unix workstations.
	www.sei.cmu.edu /str/descriptions/com_body.html (3305 words)

	DCOM - Distributed Component Object Model
		DCOM is based on the Open Software Foundation's DCE-RPC specification, and will work with both Java applets and Microsoft ActiveX components through its use of the Component Object Model (COM).
		DCOM is an object protocol that enables ActiveX™ components to communicate directly with each other across a network.
		DCOM defines the remote procedure call which allows those objects to be run remotely over the network.
	www.auditmypc.com /acronym/DCOM.asp (629 words)

	GRC \| DCOMbobulator (Site not responding. Last check: 2007-10-22)
		DCOM serves no practical purpose for almost anyone and, as the entire world now knows, it creates a huge and unwarranted security risk.
		But this was not the first problem with DCOM, so there's little support for the hope that this was the last problem.
		Since no typical Windows user has ever needed to have DCOM enabled, it should be shut down immediately and disabled (after first making sure that it's safely patched when it's enabled and running).
	www.grc.com /freeware/dcom.htm (1363 words)

	Intrusion Prevention, Vulnerability Assessment & Network Security (Site not responding. Last check: 2007-10-22)
		The Retina RPC DCOM Vulnerability Scanner is a tool created by eEye that is able to scan up to 256 IP addresses at once to determine if any are vulnerable to the two recent Microsoft Windows RPC DCOM flaws.
		These RPC DCOM vulnerabilities are two of thousands that the full-featured Retina® Network Security Scanner checks for during a network scan.
		The potential for remote exploitation arises from the fact that the Distributed COM (DCOM) service, which allows COM objects to communicate with one another across a network, is activated by default on Windows NT, 2000, XP, and 2003.
	www.eeye.com /html/Research/Tools/RPCDCOM.html (555 words)

	Cetus Links: 16604 Links on Objects and Components / Distributed Objects & Components: COM
		COM was created long ago as a workstation-level component technology; with the release of Distributed COM (DCOM) in Windows NT 4.0, the technology was expanded to support distributed applications via remote component instantiation and method invocations.
		It was designed to provide server-side component services and to fix some of DCOM's deficiencies, e.g., how it handles security issues, and the complete lack of a component management and configuration environment.
		DCOM and CORBA Side by Side, Step by Step, and Layer by Layer (P. Emerald Chung et al.)
	www.cetus-links.org /oo_ole.html (1743 words)

	DevCentral - Understanding DCOM - Part I
		The authors Marshall Brian and William Rubin can show you everything you need to know to use DCOM without a lot of jargon or needless complexity.
		The purpose of this set of tutorials is to help you to quickly understand what is going on in the world of DCOM so that you can create COM clients and servers easily.
		By the time you finish these tutorials you will understand all of the basic concepts driving DCOM and you will be able to proceed quickly to learn the rest.
	devcentral.iftech.com /articles/DCOM/intro_DCOM/part1/default.php (339 words)

	Privacy Power! DCOM and SOAP
		DCOM (Distributed COM services) is installed by default with Win2k and NT (as of SP4).
		Each user must investigate their own systems to determine if DCOM is being used for what they consider a legitimate purpose or necessary function.
		DCOM uses Port 135 for transmissions so users who check their ports will find this one open if DCOM is enabled.
	accs-net.com /smallfish/dcom.htm (1246 words)

	Distributed object application development: The DCOM solution
		DCOM is simply an extension of Microsoft's Component Object Model (COM), formerly called Network OLE, which forms the basic architecture of the Windows operating system.
		One of the chief complaints of a DCOM solution, regardless of the programming language, is that the development effort is too awkward and complex.
		DCOM is already included as part of the Windows NT Server 4.0 and provides a DCOM configuration utility aptly named DCOMCNFG.
	www.developer.com /java/other/article.php/602291 (2303 words)

	Configuring DCOM to connect an OPC Client to an OPC Server
		However, it is probably one of the least understood aspects of using OPC by the general user population and like it or not, there are some important details one must be concerned with when setting up a system for DCOM.
		We are happy to consult with our clients who purchase and use Software Toolbox products on the specifics of any part of this tutorial as they relate to our products and the use of our products in interoperability with the products of others - that's our job and we're glad to do it.
		If you are not a Software Toolbox client we hope that this tutorial helps you to understand DCOM better, and we welcome your input, but are not able to provide our valuable technical support and expertise on this subject for applications that are not involving at least one of our products.
	www.opcactivex.com /Support/DCOM_Config/dcom_config.html (390 words)

	COM/DCOM Programming Classes, COM DCOM Training, Learn COM DCOM Course
		Discounts: 10% off for 3 or 4 students attending the same class on the same date, 15% for 5 or more.
		Students initially build server components and client applications using low-level COM techniques in order to thoroughly understand the principles involved.
		The fundamentals of DCOM and mechanisms for dealing with the security issues of distributed components are introduced.
	www.traininghott.com /Courses/COM-DCOM-Hands-On-Training-Course-Class-Seminar-Component-Software-MFC-ActiveX.htm (249 words)

	DCOM project plan
		We are going to develop a performance suite for DCOM which consists of a series of tests which are specifically designed to determine measurements such as latency, throughput and bandwidth.
		Concurrently with the second case, we should be able to determine the tests' performance under DCOM by measuring the appropriate intervals marked by entering and leaving the RPC level.
		By the end of the semester, we expect to have the MSRPC interfaces as used by DCOM to be reimplemented using FM as the communications medium.
	www-csag.ucsd.edu /individual/achien/cs491-f97/projects/dcom-proj.html (1145 words)

	Open Hypermedia Systems Working Group - DCOM
		While CORBA may yet prove expensive to develop, DCOM has yet to prove that it is truly multi-platform, although it is certainly very cheap to develop.
		DCOM is specifically designed to meet this challenge and I think there is no doubt as to its ability to use internetworked components.
		With the DCOM future, where Windows is the dominant platform and where the native DCOM implementation is superior to other frameworks on Windows machines.
	www.csdl.tamu.edu /ohs/tech/framework/dcom/dcrecommendations.html (545 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Topics to be included are: connectivity and resource issues, the monitoring and optimizing of the server's performance, troubleshooting and resolving installation problems, and boot, printer, and fault tolerance problems.
		The focus of this course is to provide students with a thorough introduction to the field of information security/assurance through a combination of lectures and hands-on exercises.
		This class is intended for those who need hands-on introductory experience with the aforementioned technologies." We also need to add the prerequisite information: "Prerequisite: DCOM 258 and either DCOM 210, DCOM 259, or consent of Program Coordinator.
	www.ccbcmd.edu /academics/desc/dcom.html (1259 words)

	Technical Support - Remote DCOM Connectivity
		This does mean that KEPServerEX can't be placed in a DCOM state that prevents the user from connecting.
		The easiest way to get a DCOM connection working is to set the default security of the users system to allow access for both the "System" user and the "Everyone".
		The other DCOM setting that can have some impact on the operation of an OPC client is the Identity setting for KEPServerEX.
	www.kepware.com /Support_Center/doc_DCOM_connectivity.html (332 words)

	DCOM Windows XP - You Do Not Really Need It!
		DCOM protocol has once again been thrust onto centre stage again...
		DCOM is a a very little used technology that has been built into the
		You see DCOM is a new name for the old OLE.
	www.updatexp.com /dcom-windows-xp.html (859 words)

	Amazon.com: Books: DCOM Explained (Site not responding. Last check: 2007-10-22)
		Thus the aim of the book is not to teach how to program using DCOM, but to explain what DCOM does so readers will become better able to use it more effectively, understand the options available when using DCOM, and understand the types of applications that can be built by using DCOM.
		DCOM was hard to port because, like COM, it is based on a binary standard (i.e.
		The half-wit MBAs at Micro$oft realized their mistake and have abandoned DCOM, leaving it forever in the backwaters where the only record of its sorry existence are stupid books like this.
	www.amazon.com /exec/obidos/tg/detail/-/1555582168?v=glance (866 words)

	Geek.com Geek News - Longhorn moving away from COM and DCOM
		While COM and DCOM will be supported in Longhorn, the focus will be moved toward managed services, utilizing XML to send and receive messages between programs.
		DCOM left me scratching my head on why things would not work but after speaking directly with Microsoft it was clear that there was many bugs but if you framed your code exactly one way your DCOM object would work as advertised.
		DCOM on the other hand is a different animal although you can use or convert most COM objects to be used in DCOM it is extremely difficult to configure and code.
	www.geek.com /news/geeknews/2004Jan/gee20040128023630.htm (4574 words)

	Distributed Component Object Model (DCOM) - Downloads, Specifications, Samples, Papers, and Resources for Microsoft DCOM
		The Distributed Component Object Model (DCOM) is a protocol that enables software components to communicate directly over a network in a reliable, secure, and efficient manner.
		A listing of media coverage on DCOM and related technologies from various publications.
		A collection of case studies that show how customers are building solutions with DCOM.
	hesperia.gsfc.nasa.gov /hessi/solar_cd/FAQ/DCOM_FAQ.htm (196 words)

	DCom Solutions, Offshore Software Development / Custom Programming, India : Home
		DCom Solutions, Offshore Software Development / Custom Programming, India : Home
		DCom Solutions is a world-class Software development company, specializing in offshore software development and Custom Programming.
		DCom Solutions carries out offshore software development from India (Chennai).
	rd.business.com /index.asp?epm=s.1&bdcq=DCOM&bdcr=2&bdcu=http://www.dcomsols.com&bdcp=&partner=2662601&bdcs=nwuuid-2662601-9737F493-A4EB-ED99-FA5A-192414B28C4A-ym (182 words)

	myITforum.com : DCOM SMS Web Reports (Site not responding. Last check: 2007-10-22)
		As DCOM uses commas within its version number, the list report needs to be treated differently than most reports.
		DCOM Version and Count are the returned fields.
		This SP returns a list of DCOM Versions.
	myitforum.techtarget.com /articles/1/view.asp?id=3691 (226 words)

	COM: Component Object Model Technologies (Site not responding. Last check: 2007-10-22)
		COM is used by developers to create re-usable software components, link components together to build applications, and take advantage of Windows services.
		The family of COM technologies includes COM+, Distributed COM (DCOM) and ActiveX® Controls.
		Windows 95: DCOM 95 version 1.3 - Unsupported
	www.microsoft.com /com (481 words)

	CodeGuru Forums - a DCOM question (Site not responding. Last check: 2007-10-22)
		is it posiblle to create a server client app based on DCOM were the client can publish interface so the server could call a client to do somthing ?
		Yes.NET have advantage on DCOM I cannot count all of them but here are a few
		by the way connection point is not a term that associate directly with DCOM it is more connected to COM architecture you should also look into MTS mechanism of Publisher/Subscriber
	www.codeguru.com /forum/archive/index.php/t-190111.html (294 words)

	DCOM (Site not responding. Last check: 2007-10-22)
		- Information on how to use a Win95 machine as a DCOM server in a peer-to-peer network.
		Example of how to use COM interfaces from within run-time packages.
		Delphi transalation of COMCAT.DLL, which hosts the services needed to register and use COM's Component Categories.
	www.distribucon.com /dcom.html (63 words)

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