Client server Current system: In that Corporate Financial System is a 25-year-old IBM 3090 mainframe running under a Virtual Machine/Conversational Mode System (VM/CMS) operating system. Many of the business applications used by the system are written in COBOL‚ and data that is stored in a non-SQL-compliant FOCUS database. Personal computers (PCs) containing an office productivity software is centrally located throughout the Corporate headquarters. Many day-to-day operations that happen across
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moving to client server architectures. Client server attempt to balance the processing between the client and the server by having both do some of the logic. In these networks‚ the client is responsible for the presentation logic‚ while the server is responsible for the data access logic and data storage. The application logic may reside on the client on the client or on the server‚ or it may be split between both. These are many ways in which the application logic can be partitioned between the client
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KEY NOTES UNIT 1 - Introduction • Introduction to Client/Server Computing o Overview of Client/Server Computing o What is Client/Server Computing ▪ Client/server is a distributed computing model in which client applications request services from server processes and Servers receive those requests and perform actions such as database queries and reading files. o Application Tasks ▪ User interface ▪ Presentation logic
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Internet is based on a client-server model‚ where every day‚ millions and millions of computers are accessing thousands and thousands of servers. Many of the things we use our computers for today make use of this model‚ from web browsing to electronic mail. Over the years‚ competing models of networking emerged to compete with the client-server model. The peer-to-peer model has been a prominent competitor with vast differences. Mainframe architecture‚ from which the client-server evolved‚ still has a
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Chapter 1 Client Server Technology: An Introduction Client/Server technology is a means for separating the functions of an application into two or more distinct parts. The client presents and manipulates data on the desktop computer. The server acts like a mainframe to store and retrieve protected data. Together each machine can perform the duties it is best at. Client-server computing or networking is a distributed application architecture that partitions tasks or work load between service
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Advantages of Client Server Networks over Peer to Peer Networks 1) Centralization: Unlike P2P‚ where there is no central administration‚ here in this architecture there is a centralized control. Servers help in administering the whole set-up. Access rights and resource allocation is done by Servers. 2) Proper Management : All the files are stored at the same place. In this way‚ management of files becomes easy. Also it becomes easier to find files. 3) Back-up and Recovery possible : As all
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Client-side Scripting Client-side scripting generally refers to the class of computer programs on the web that are executed client-side‚ by the user’s web browser‚ instead of server-side (on the web server).[1] This type of computer programming is an important part of the Dynamic HTML (DHTML) concept‚ enabling web pages to be scripted; that is‚ to have different and changing content depending on user input‚ environmental conditions (such as the time of day)‚ or other variables. Client-side scripts
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CLIENT SERVER ARCHITECTURE BSc 3&4 Aug 2012 – Nov 2012 HURES CASE STUDY 1. Do you think the problems faced by Hures‚ both past and present‚ are unique? Why or why not? The problems faced by Hures company in the past are common as this was what most companies have face after the revolution from the so called GOOD OLD DAYS in which mainframes roamed the earth and life was simple. Mainframes are powerful computers used primarily by corporate and governmental organizations
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The client–server model is an approach to computer network programming developed at Xerox PARC during the 1970s. It is now prevalent in computer networks. Email‚ the World Wide Web‚ and network printing all apply the client–server model. The model assigns one of two roles to the computers in a network: Client or server. A server is a computer system that selectively shares its resources; a client is a computer or computer program that initiates contact with a server in order to make use of a resource
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In Computer science client-server is a software architecture model consisting of two parts‚ client systems and server systems‚ both communicate over acomputer network or on the same computer. A client-server application is a distributed system consisting of both client and server software. The clientprocess always initiates a connection to the server‚ while the server process always waits for requests from any client. When both the client process and server process are running on the same computer
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