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Network Articles
Page 7 of 66
Explain the TCP Connection Management
The TCP Connection Management involves establishing, maintaining, and terminating connections between two hosts using a reliable connection-oriented protocol. TCP uses a three-way handshake mechanism to create connections and ensure reliable data transfer. Connection Establishment Connection establishment in TCP follows a systematic process where one side acts as a server and the other as a client: Server Side − The server passively waits for incoming connections by implementing LISTEN and ACCEPT primitives on a specific port. Client Side − The client performs a CONNECT primitive, specifying the destination port and optional parameters like maximum ...
Read MoreWhat is TCP Connection Release?
A TCP connection release is the process of terminating an established TCP connection in a controlled manner. Since TCP provides a full-duplex connection, the release process treats it as two independent simplex connections that must be closed separately. The connection release process is symmetric, meaning either endpoint can initiate the termination by sending a TCP segment with the FIN (finish) bit set. This indicates that the sender has no more data to transmit. However, data can continue flowing in the opposite direction until that side also sends its FIN segment. How TCP Connection Release Works The standard ...
Read MoreWhat is BISDN in Computer Network?
The B-ISDN (Broadband Integrated Services Digital Network) is a virtual circuit-switched network that can use high-speed packet switching services. B-ISDN uses a flexible multiplexing format called ATM (Asynchronous Transfer Mode) to deliver broadband services over digital networks. B-ISDN represents an evolution from the original ISDN, designed to handle high-bandwidth applications like video conferencing, multimedia communications, and high-speed data transfer that require significantly more capacity than traditional voice services. B-ISDN Service Classification Interactive Services Distribution Services ...
Read MoreWhat are the types of Hubs in the Computer Network?
A hub is a networking device used to connect multiple devices in a network, creating a single collision domain where all connected devices share the same bandwidth. Hubs operate at the Physical Layer (Layer 1) of the OSI model and simply repeat incoming signals to all connected ports. There are three main types of hubs based on their functionality and features: Passive Hub Passive hubs are the simplest networking devices that contain no electronic components or signal processing capabilities. They act as simple connection points that physically join network cable segments together without amplifying or regenerating signals. ...
Read MoreDistinguish between Connection-Oriented and Connectionless Service
In computer networks, services can be classified based on how they handle data transmission between devices. The two primary approaches are connection-oriented and connectionless services, each with distinct characteristics and use cases. Connection-Oriented Services In a connection-oriented service, a dedicated communication path is established between the sender and receiver before data transmission begins. Each packet follows the same predetermined route, known as a virtual circuit, ensuring reliable and ordered delivery. The service operates in three phases: connection establishment, data transfer, and connection termination. This approach guarantees that packets arrive in the correct order without duplication or loss. ...
Read MoreWhat is IPv4 Addressing?
An IPv4 address is a unique 32-bit identifier used to distinguish devices on a network. IPv4 (Internet Protocol version 4) operates at the network layer and assigns logical addresses to every interface that needs to communicate using TCP/IP. These addresses consist of 32 bits represented in binary notation, but to make them human-readable, they are typically expressed in dotted decimal notation. This format uses four decimal numbers (0-255) separated by periods, where each number represents 8 bits (one octet). IPv4 Address Structure (32 bits) ...
Read MoreWhat are the types of IPv4 Addresses?
IPv4 supports various types of addressing modes to enable different communication patterns across networks. Understanding these addressing types is crucial for network design and implementation. Unicast Addressing A unicast address is assigned to a single network interface located on a specific subnet and facilitates one-to-one communication. This is a unique address worldwide for the identification of a machine on the network. Subnet prefix − The network identifier or network address portion of an IP unicast address. All nodes on the corresponding physical or logical subnet must share the same subnet prefix, which must be unique ...
Read MoreWhat is Multimedia in the Computer Network?
Multimedia in computer networks refers to the integration of multiple forms of content such as text, audio, graphics, animation, and video to create rich communication experiences. It represents one of the most significant challenges and opportunities in modern networking, requiring sophisticated protocols and infrastructure to deliver synchronized content across networks. The term multimedia literally means "multiple media" and involves the simultaneous transmission and presentation of different types of digital content. In networking contexts, multimedia applications include video conferencing, streaming services, interactive media, and real-time communication systems that combine various media elements. Multimedia Elements in ...
Read MoreWhat is the Function of Protocol?
Protocol suites are collections of protocols that act at different layers of the network model to ensure successful communication. Protocols perform various essential functions that enable reliable data transfer across networks. Connection Establishment/Release Data transfer can be either connection-oriented or connectionless. Connection-oriented services establish a reliable communication path before data transfer, making them suitable for large volume transfers. Connectionless services, while faster, are less reliable as they don't establish a dedicated path. Encapsulation A protocol defines how data is encapsulated within frames or packets. Each Protocol Data Unit (PDU) contains control information fields alongside the actual ...
Read MoreWhat is Reverse Address Resolution Protocol (RARP)?
The Reverse Address Resolution Protocol (RARP) is a network protocol described in RFC 903 that performs the opposite function of ARP. While ARP resolves IP addresses to MAC addresses, RARP resolves MAC addresses to IP addresses. This protocol is primarily used by diskless workstations and network devices that know their hardware address but need to discover their IP address during the boot process. How RARP Works RARP uses the same packet format as ARP but operates in reverse. A diskless system reads its hardware address from the network interface card and broadcasts a RARP request asking for its ...
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