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Computer Network Articles
Page 15 of 122
Difference Between Firewire and Thunderbolt
FireWire and Thunderbolt are two types of high-speed data transmission interfaces used to connect various electronic devices to computers, such as cameras, hard drives, and other peripherals. Thunderbolt provides faster data transfer rates, power delivery, and more versatile connectivity than FireWire, but it is more expensive and has different device limitations. This article explores the key differences between these two interface technologies and their respective applications. What is FireWire? FireWire, also known as IEEE 1394, uses a serial bus architecture where data is transmitted one bit at a time through a single cable. This allows for rapid ...
Read MoreOverview of Application Delivery Network (ADN)
Today, everyone uses digital devices to access websites and applications on the Internet. This has increased the need for cost-effective networks and better application delivery. To meet this demand, the Application Delivery Network (ADN) concept was developed. ADN reduces load times, solves IT problems faster, and ensures secure access to applications with proper visibility and availability. What is Application Delivery Network? An Application Delivery Network (ADN) is a network architecture that improves the delivery of web applications to end users across different locations and devices. It consists of three main components: Application Delivery Controllers (ADCs), WAN Optimization Controllers ...
Read More6 Best Books to Learn Computer Networking
Computer networking is a critical aspect of modern technology. In today's connected world, almost every organization relies on networking to share data and resources. Networking involves connection of multiple devices, such as computers, servers, printers, and other hardware devices, to facilitate communication and data transfer. Aspiring network engineers and IT professionals must have a solid understanding of principles and practices of computer networking to build and maintain efficient network infrastructures. Essential Networking Learning Paths Fundamentals OSI Model Basic Concepts Architecture ...
Read MoreH.323 and Associated Protocols
H.323 is a comprehensive suite of standards for real-time multimedia communication over IP networks, developed by the International Telecommunication Union (ITU) in the late 1990s. It enables voice, video, and data communication across packet-switched networks like the Internet. H.323 provides a framework for interoperability between different multimedia communication systems and has been widely adopted for applications such as Voice over IP (VoIP), video conferencing, and multimedia streaming services. Core H.323 Protocols The H.323 suite comprises several interconnected protocols, each serving specific functions: H.225 − Handles call signaling and establishment. Uses the Remote Procedure Call ...
Read MoreDistributed Hash Tables (DHTs)
A Distributed Hash Table (DHT) is a decentralized distributed system that provides a lookup service similar to a traditional hash table. Unlike centralized hash tables where data is stored in a single location, DHTs distribute data across multiple nodes in a network, with each node responsible for storing and managing a portion of the key-value pairs. In a DHT, when a client wants to store or retrieve data, it uses a key to determine which node should handle the request. The system uses consistent hashing or similar algorithms to map keys to specific nodes, ensuring efficient data distribution and ...
Read MoreEthernet Frame Format
Ethernet is a widely used local area networking technology that enables devices to communicate with each other. Ethernet frames are the basic units of data that are transmitted over Ethernet networks. In this article, we will explore the Ethernet frame format in detail, including the various fields that make up the frame and the purpose of each field. Introduction to Ethernet Frames An Ethernet frame is a packet of data that is transmitted over an Ethernet network. The frame is composed of a header, a payload, and a trailer. The header and trailer contain information about the frame, ...
Read MoreExplicitly assigning port number to client in Socket
When building client-server applications using sockets, it's essential to assign a unique port number to each client to ensure proper communication between server and clients. By explicitly assigning a port number to each client, the server can identify and communicate with individual clients without confusion or overlap. In this article, we'll explore the importance of assigning port numbers to clients and how to do so effectively. What is a Port Number? In the context of networking, a port number is a 16-bit unsigned integer that uniquely identifies a specific process to which a network packet is directed. When ...
Read MoreFeatures of Good Message Passing in Distributed System
In a distributed system, message passing is a critical component of communication between processes or nodes. Message passing allows processes to share data, coordinate their activities, and respond to changes in the system. A well-designed message passing system can improve performance, reliability, and scalability of a distributed system. Message Passing in Distributed Systems Node A Node B Message Acknowledgment ...
Read MoreFile Accessing Models in Distributed System
In a distributed system, multiple computers work together to provide a cohesive service to users. One of the most critical components is the ability to access files stored on different computers across the network. Different file accessing models have been developed to manage this complexity and ensure efficient and secure file sharing. File Accessing Models in Distributed Systems Centralized Single Server All Files Distributed Multiple Nodes ...
Read MoreKerckhoff's Principle
Kerckhoff's Principle, also known as Kerckhoff's Law, is a fundamental principle in cryptography stating that a cryptographic system should remain secure even if everything about the system, except the key, is public knowledge. This principle explicitly rejects "security through obscurity" as a viable security strategy. Formulated by Auguste Kerckhoff in the 19th century, this principle establishes that cryptographic security must depend solely on the secrecy of the key, not on the secrecy of the algorithm or implementation details. Modern cryptographic standards like AES, RSA, and TLS all follow this principle. Kerckhoff's Principle: Open Algorithm ...
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