Articles for category: Computer Network

Saksham Arya

HTTP Non-Persistent & Persistent Connection

HTTP (Hypertext Transfer Protocol) is an application layer protocol that is used to establish a connection between a client and a server so that the client can transfer data to the server and vice versa. HTTP is divided into two categories i.e. Non-Persistent connection HTTP and Persistent connection HTTP. In this article, we will discuss ...

Trapti Gupta

Authentication, Authorization, and Accounting

AAA (Authentication, Authorization, and Accounting) is a framework that allows access to network resources. User identification is the process of authentication and then what resources access is allowed to the user is decided by the authorization. Accounting is used to determine the usage of network resources. Introduction to AAA AAA stands for Authentication, Authorization, and ...

Priyanshu Pandey

Differences Between Virtual Circuits & Datagram Networks

Virtual Circuits are also known as connection-oriented switching. Virtual circuit switching establishes a predetermined path before messages are sent. In contrast, a datagram is a packet-switching technique in which each packet, known as a datagram, is treated as a separate entity. Each packet carries destination information, which the switch uses to route the packet to ...

Akshay Mishra

Telnet in Computer Networks

TELNET is an acronym for TErminaL-NETwork. It is a form of protocol that makes it possible for one computer to connect to a nearby computer. It is employed as a common TCP/IP protocol for the virtual terminal service provided by ISO. The local computer is the one that establishes the connection. A remote computer is ...

Aditya Saxena

Program for IP Forwarding Table Lookup

There exists a routing table in the Unix operating system consisting of several tuples that contain the I.P. (Internet Protocol) address of the network, the subnet mask, the IP address of the gateway, and the name of the interface. This information is required for forwarding packets to the exterior of the network for connecting to ...

Shivam Verma

Longest Prefix Match Routing

The Longest prefix match is an algorithm that IP (Internet Protocol) routers use to select a routing table entry. This algorithm is also known as the Longest Match Routing Rule. It is used by routers in Internet Protocol (IP) networking to select a routing table entry. The router determines the egress (outbound) interface and the address of ...

Aditya Saxena

Program to Calculate the Round Trip Time

Round-trip time(RTT) in networking, also called the round-trip delay time is a benchmark that measures the amount of time it takes for a data packet to be sent in addition to the amount of time it takes for acceptance of that signal to be received in milliseconds. RTT delay also includes propagation times between two ...

Trapti Gupta

Error Detection and Correction in Computer Networks

Errors are introduced into the binary data transmitted from the sender to the receiver due to noise during transmission. The error can be a single-bit error, multi-bit error, or burst error. Error detection methods are used to check whether the receiver has received correct data or corrupted data. And error correction is used to correct ...

Priyanshu Pandey

Mobile Ad hoc Network

A wireless ad hoc network (WANET) or mobile ad hoc network (MANET) is a type of wireless network that is decentralized. Since it doesn’t rely on a pre-existing infrastructure, like routers in wired networks or access points in wireless networks, the network is ad hoc. Instead, each node takes part in routing by sending data ...

Akshay Mishra

Dynamic Host Configuration Protocol

Automatic distribution and assignment of IP addresses, default gateways, and other network characteristics to client devices are performed by a DHCP server, a type of network server. For clients to successfully communicate on the network, a DHCP server automatically delivers the necessary network parameters. Without it, the network administrator must manually configure each new client ...