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Describe how client/server architecture works
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Usage Concern: After the introduction of client server architecture, this is used in many industries, business companies and military institutes. Its popularity is high than other software because it is provides more versatile structure. Alternatives of client server architecture: Mainframe architectures and file sharing systems are alternatives of client server architecture. Aiding technologies: Computer-aided software engineering (CASE) tools help in the development of client server architecture and open system. Advantages client server architecture: Improved data sharing: The data is stored on database server. All the authorized users can have access to that data. That is data is centrally stored and managed so data sharing has become very easy. Integrated System: In the client server architecture, any user who has a desktop application can have access to the information stored in the database in the back end. The information is visible to the user, he just have to send request to the server with the help of application he uses and all the related data will be visible to him. The...
So generally the data is not readable to unauthorized users. This is the process of encrypting the data which is stored and residing on our devices.
Unauthorized users may access the database, or users authorized to access part of the database may be able to access parts of the database for which they lack authority. For example, a low-level user could get access to national defense secret codes, or employees could find out what their supervisors earn (which is presumably a secret).
Christopher S is a 22 year old Caucasian male who voluntarily chose to attend the 31 day program at the Greenhouse American Addiction Center. The client was admitted to the facility dealing with opiate, cocaine, and alcohol use. His heavy drug use was compiled with feelings of stress, anxiety, and depression which stemmed from his childhood and adolescence. Over the course of his adolescence, he had many confrontations with the police and has now earned himself a pretty lengthy criminal background. He is currently facing many charges from forgery to aggravated assault with a deadly weapon. Christopher is about 5’5 with brown hair and brown eyes. Christopher reports “having a stable childhood only when he was living with his mother and stepfather, but he reports 8 years of molestation and abuse which was inflicted by his biological father which whom he had to visit in another state every summer” (personal communication,
...to 300 Mb (Osiris, 1). WORKS CITED Benson, Alex. Client/Server Architecture. Gainesville: U P of Florida, 1992. Comelford, Richard. "Operating Systems go Head to Head", IEEE Spectrum. Dec 1993, pp 23-25. Flynn, Ida M., and Ann M. McHoes. Understanding Operating Systems. Second ed. Boston: PWS, 1997. Greenfield, Larry. UNIX: The User's Guide. University of Deuselldorf. [Accessed 3 September 1998]. *http://www. Theochem.uni-duesseldorf.de/docu/user-guide* Introduction to UNIX. University of Guadalajara. [Accessed 3 September 1998]. http://osiris.staff.udg.mx/man/ingles/introduccion.html " Microsoft Corporation" Brittanica Online [Accessed 20 September 1998]. *http://www.eb.com:180/cgi-bin/g?DocF=micro/711/22.html* Operating Systems Introduction, v 3.2. Central Institute of Technology. [Accessed 5 September 1998]. *http://www.cit.ac.nz/smac/os100/unix01.html* Randall,
Substantially, to fundamentally elucidate an information system, it is essentially a connected set of elements produced by people and managed through computers which allows the collection and distribution of data, to summarise the term it is generally a database. Data is a plural for datum which are elementary recognisable facts, information is datas that has been correlated so that context is formulated. To interpret data security, it is an assortment of facts which is translated to information secure on an encrypted server due to its personal state. In addition, the majority of security systems within modern technology are encrypted with pass-codes. However, database management systems (DBMS) can be breached in several ways including weak
Through personally developing my own server-client network, I was able to better understand the concepts of networking. I was individually able to manipulate the program to better undertake the communication aspect, the level of security, and organization of information in code and to the end-user. From this mini project, I learned the communication process between systems and how to first initiate a connection. I also learned the fundamentals of server sockets, regular sockets, print streams, and buffered readers in addition to multithreading, try-catches, and exceptions. And lastly, the utmost important aspect, I gained a full understanding of the concept of networking once I personally learned, through development, the intricate network
Server-based networks are higher in cost because money is invested for dedicated servers, network operating software, and network administrators with technical expertise required for network management and configuration. On a small network consisting of fewer than five workstations, client/server architecture is not recommended and is very costly.
To build a good and stable network is extremely difficult. It takes a team of very knowledgeable engineers to put together a system that will provide the best service and will forfill the need for the companies users and clients. There are many issues that have to be resolved and many choices have to be made. The toughest choices IT managers have to make, are what will be the best server platform for their environment. Many questions must be answered. Which server software offers complete functionality, with easy installation and management? Which one provides the highest value for the cost? What kind of support and performance can be expected from this system? And most important of all is what is more secure? In this paper, Microsoft Windows NT Server is compared to UNIX, in the large commercial environment. The main focus of the comparison is on the areas of, reliability, compatibility, administration performance and security.
Thin Client or Server-based computing is a model in which applications are deployed, managed, supported and executed 100% on a server. It uses a multi-user operating system and a method for distributing the presentation of an application's interface to a client device. The server-based computing model employs three critical components. The first is a multi-user operating system that enables multiple concurrent users to log on and run applications in separate, protected sessions on a single server. The second is a highly efficient computing technology that separates the application's logic from its user interface, so only keystrokes, mouse clicks and screen updates travel the network. As a result, application performance is bandwidth-independent.
The Unified Modeling Language is a standard language for specifying, visualizing, constructing, and documenting the artifacts of software systems, as well as for business modeling and other non-software systems. The key is to organize the design process in a way that clients, analysts, programmers and other involved in system development can understand and agree on. The UML provides the organization. The UML was released in 1997 as a method to diagram software design, by some of the best minds in object oriented analysis and design. It is by far the most exciting thin to happen to the software industry in recent years. Every other engineering discipline has a standard method of documentation. Electronic engineers have schematic diagrams; architects and mechanical engineers have blueprints and mechanical diagrams. The software industry now has UML.
SYLLABUS: Introduction – What is software architecture? – Standard Definitions – Architectural structures – Influence of software architecture on organization-both business and technical – Architecture Business Cycle- Introduction – Functional requirements – Technical constraints – Quality Attributes.
of multiple types of end users. The data is stored in one location so that they
Databases and also the internet have enabled worldwide collaboration and data sharing by extending the reach of database applications throughout organizations and communities. This reach emphasizes the importance of high accessibility in information management solutions. Each tiny businesses and world enterprises have users everywhere the world that needs access to information 24 hours each day. While not this information access, operations will s...
The consumer can use the middleman’s equipment to develop his own program and deliver it to the users through internet and servers.
conference using a PowerPoint file. The database management system allows a company to run more efficient, smoothly, and be more productive. Database management systems also allow a business to be more secure. The database administrator can create the user permissions, which allows each employee access to different things. This is usually done by assigning different usernames and passwords. It can prevent employees from viewing certain documents that are meant only for cooperate, or preventing them from accidentally deleting