By Terence Sherlock
* First e-book on a arguable subject significantly very important to many huge enterprises * Authors are between few in with suitable adventure the 1st ebook to explain how Microsoft's part item version (COM) should be supported on desktops except home windows. Drawing on Compaq's groundbreaking paintings of porting COM/DCOM to its OpenVMS and Tru64 UNIX Alpha systems, COM past Microsoft explains how the COM common will help organizations combine their purposes throughout a heterogeneous computing setting. This e-book information the cutting edge COM help now local on Tru64 UNIX and OpenVMS and divulges how builders can take advantage of COM on OpenVMS and COM on Tru64 UNIX to create moveable software program elements that run almost unchanged on OpenVMS, Tru64 UNIX, home windows NT, home windows 2000, and different significant computing structures.
Read or Download COM Beyond Microsoft: Designing and Implementing COM Servers on Compaq Platforms PDF
Best client-server systems books
DAPSYS (International convention on disbursed and Parallel platforms) is a global biannual convention sequence devoted to all facets of disbursed and parallel computing. DAPSYS 2008, the seventh overseas convention on disbursed and Parallel structures used to be held in September 2008 in Hungary.
SummarySpring Batch in motion is an in-depth consultant to writing batch functions utilizing Spring Batch. Written for builders who've easy wisdom of Java and the Spring light-weight box, the publication presents either a best-practices method of writing batch jobs and finished assurance of the Spring Batch framework.
Whole examination assurance, hands-on perform, and interactive research instruments for the MCSA: Administering home windows Server 2012 R2 examination 70-411 MCSA: home windows Server 2012 R2 management examine consultant: examination 70-411 offers complete education for examination 70-411: Administering home windows Server 2012 R2. With complete assurance of all examination domain names, this advisor includes every thing you want to understand to be absolutely ready on try day.
Working Mainframe z on allotted structures finds replacement ideas now not coated by way of IBM for creatively adapting and adorning multi-user IBM zPDT environments so they are extra pleasant, sturdy, and reusable than these envisaged through IBM. The enhancement approaches and methodologies taught during this ebook yield a number of layers for method restoration, 24x7 availability, and more suitable ease of updating and upgrading working platforms and subsystems with no need to rebuild environments from scratch.
Additional info for COM Beyond Microsoft: Designing and Implementing COM Servers on Compaq Platforms
Connor Collectibles: monolithic order entry Server Terminal Existing application Interface Terminal Function1 Function2 Function3 Terminal COM-12 The additional terminals seemed to work well at first, but operators started to notice that more and more items that were supposed to be in stock were appearing on the invoices as back ordered. The inventory confusion was becoming a customer satisfaction issue: 40 Part I: COM on Compaq Platforms customers didn’t like hearing that something was in stock at the start of the order, but then was listed as out-of-stock when the shipment arrived.
Figure 15. Functional encapsulation Server Client COM client Interface Function1 Client Function2 COM client Function3 COM servers (wrappers) COM-9 There are several layers of a traditional procedural application that you can encapsulate: the user interface (UI), the database, and the data manipulation routines. User interface If you choose to encapsulate the user interface, the UI could be supported on some other platform (for example, from a graphical user interface [GUI] on a Windows NT system).
You can implement a Java application as a client-side app or server-side app. For comparisons with COM on Compaq platforms, I’ll focus on server-side Java and EJB. The object-oriented facilities of Java are essentially those of C++, with extensions from Objective C for more dynamic method resolution. The Java language and Java virtual machine (JVM) provide the local execution environment, but Enterprise Java is the platform that extends Java applications across machines and across the Internet.
COM Beyond Microsoft: Designing and Implementing COM Servers on Compaq Platforms by Terence Sherlock