email is another one File transfer cloud storage cloud computing Voice over IP … Only authorized user can access resource in a computer network. Now some times it becomes necessary to load same program files. Such a network is called a LAN (local area network). If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to firstname.lastname@example.org. All rights reserved. Basic Network Attacks in Computer Network, Introduction of Firewall in Computer Network, Types of DNS Attacks and Tactics for Security, Active and Passive attacks in Information Security, LZW (Lempel–Ziv–Welch) Compression technique, RSA Algorithm using Multiple Precision Arithmetic Library, Weak RSA decryption with Chinese-remainder theorem, Implementation of Diffie-Hellman Algorithm, HTTP Non-Persistent & Persistent Connection | Set 2 (Practice Question), Commonly asked Computer Networks Interview Questions | Set 1, Computer Networks | IP Addressing | Question 5, Computer Networks | IP Addressing | Question 6, Producer Consumer Problem using Semaphores | Set 1, Page Replacement Algorithms in Operating Systems, Write Interview Application architecture is different from the network architecture. Thus … Goals of Computer Networks: The following are some important goals of computer networks: Resource Sharing – Many organization has a substantial number of computers in operations, which are located apart. 2. Security – It means protecting data from unauthorized access. The goal is to provide all the program, date and hardware is available to everyone on the network without regard to the physical location of the resource and the users. Why Standardize? JavaTpoint offers too many high quality services. If you have any questions or concerns regarding any content published here, feel free to contact us using the Contact link below. A gentle request to share this topic on your social media profile. Find answer to specific questions by searching them here. Another goal is to increase the systems performance, as the work load increases, by just adding more processors. The goal of a computer network is to provide a powerful communication medium among widely separated people. What are the advantages of making short term goals? What should we use main() or void main() or int main() ? It means to make all programs peripherals and data available to any one computer on the network to all other computers in the network without regard to the physical locations of them. This is a strictly moderated site. It's the best way to discover useful content. COMPUTER NETWORK (ECS-601) Introduction Concepts: Goals and Applications of Networks, Network structure and architecture, The OSI reference model Simple Network Management Protocol (SNMP), File Transfer Protocol (FTP) in Application Layer, HTTP Non-Persistent & Persistent Connection | Set 1, Multipurpose Internet Mail Extension (MIME) Protocol. JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Being the most popular educational website in India, we believe in providing quality content to our readers. Go ahead and login, it'll take only a minute. A second goal is to provide high reliability by having alternative sources of supply. Protocol Standards And Protocol Design. A network consists of two or more nodes (e.g. Reliability – It is measured in terms of. Computer network help people who live or work apart to report together. What are its goals and applications? Applications of computer networks are: information exchange, military, music and video on demand, etc. C Program to find Sum of First n Natural numbers (4 ways), Transmission medium either wired or wireless, Protocols or rules that govern the communication, Network software such as Network Operating System. The application layer programs are based on client and servers. The connecting media could be a copper wire, optical fiber, microwave or satellite. This improve both accessibility as well as performance of a system. The computer network includes the following networking elements: Network Goals : This imbalance has caused many system designers to build systems consisting of powerful personal computers, one per user, with data kept on one or more shared file server machines. Download our mobile app and study on-the-go. Experience, Transmission medium either wired or wireless, Protocols or rules that govern the communication, Network software such as Network Operating System, Transit time is the time for a message to travel from one device to another. One more aspect is that the price of small computers is very less as compared to main frames. They can make programs, can discuss or … Performance is dependent on the following factors: 2. The second objective is to provide the high Reliability. Thus computer network is a powerful communication medium. Computer networks provide a powerful communication medium. What is a computer network? ©. For example, all files could be replicated on two or three machines, so if one of them is unavailable, the other copies could be available. 1. The second objective is to provide the high Reliability. It is achieved by replicating the files on two or more … They may have a number of computers performing different jobs in different departments of same organization. It is easy for two or more people living far apart to work on same project by portioning it using a network. • The best example of computer network is the Internet. Another aspect of resource sharing is load sharing. Various transmission media channels were used to make a network. Resource sharing automatically reduces cost and hence money can be saved. Some of its main uses are as follows − Information and Resource Sharing − Computer networks allow organizations having units which are placed apart from each other, to share information in a very effective manner. Mainframes are roughly a factor of ten times faster than the fastest single chip microprocessors, but they cost thousand times more. Performance – It is measured in terms of transit time and response time. Services of Application Layers. Some of its main uses are as follows − Information and Resource Sharing − Computer networks allow organizations having units which are placed apart from each other, to share information in a very effective manner. Please write to us at email@example.com to report any issue with the above content. Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below. Programs and software in any computer can be accessed by other computers linked to the network. The following are the objectives of the computer networks. What is the difference between computer networks and network communications? © Copyright 2011-2018 www.javatpoint.com. See your article appearing on the GeeksforGeeks main page and help other Geeks. Network Application : Computer Network A.K.Maurya Page 1 Goals and Applications of networks:- Network goals:- The main goals of network as follows. Network Application : Some of the network applications in different fields are the following : Marketing and sales Financial services Manufacturing. Another goal is saving money. What is a network? Now some times it becomes necessary to load same program files. 2. It means to make all programs peripherals and data available to any one computer on the network to all other computers in the network without regard to the physical locations of them. What is Scrambling in Digital Electronics ? However, we have observed in some applications such as P2P file sharing; a process can be both as a client and server.
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