NETWORK
Hello friends, today’s article is based on Distributed processing, In this topic you can read about 6 types of distributed processing.
A network is a set of devices connected by media links. A node is often a computer, printer, or another device capable of sending or receiving data generated by other nodes on the network. The links connecting the devices are often called channel s.
A network is a collection of computers, servers, mainframe, network devices, peripherals, or other devices connected to at least one another to permit the sharing of knowledge. a superb example of a network is the internet, which connected many people everywhere on the planet.
The field of a network includes the analysis, design, implementation, and use of the local, wide area, and mobile networks that link computers together. the web itself may be a network that creates it feasible for nearly all computers within the world to speak.
DISTRIBUTED PROCESSING
Data communication and Networking use distributed processing, during which a task is split among multiple computers. rather than one large machine being liable for all aspects of a process, each separate computer(usually a private computer or workstation) handles a subset.
SECURITY/ENCAPSULATION – An system designer can limit the type of interaction that a given user can have with the whole system. for instance, a bank can allow users access to their own accounts through an automatic teller machine (ATM) without allowing them access to the bank’s entire database.
DISTRIBUTED DATABASE – nobody system must provide storage capacity for the whole database. for instance, the planet-wide web gives users access to information that will be actually stored and manipulate anywhere on the web.
FASTER PROBLEM SOLVING – Multiple computers performing on parts of a drag currently often can solve the matter faster than one working alone. for instance, networks of pc have broken encryption codes that were presumed to be unbreakable due to the quantity of your time it might take one computer to crack them.
SECURITY THROUGH REDUNDANCY – Multiple computers running an equivalent program at an equivalent time can provide security through redundancy. for instance, within the spacecraft, three computers run an equivalent program in order that if one features an error, the opposite two can override it.
COLLABORATIVE PROCESSING – Both multiple and computer users may interact on a task. for instance, in multiuser network games, the action of every player is visible to and affects all the others.
NETWORK CRITERIA
A network must meet a variety of criteria. the foremost important of those are performance, reliability, and security.
- PERFORMANCE – Performance is often measured in some ways, including transmit time and reaction time. Transit time is the amount of your time required for a message to travel from one device to a different. reaction time is the time period between an inquiry and a response. The performance of a network depends on a variety of things, including the number of users, sort of transmission medium, the potential of the connected hardware, and therefore the efficiency of the software.
- RELIABILITY – additionally to the accuracy of delivery, network reliability is measured by frequency of failure, the time takes a link to get over failure, and therefore the robustness of the network during a catastrophe.
- SECURITY – Network security issues include protecting data from unauthorized access and viruses.
CONCLUSION
Digital communication and network are 2 or more computer networks connected together employing a telecommunicating system for the aim of communicating and sharing resources. As you’ll see networks have many benefits to the end-user.
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