Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Articles on Trending Technologies
Technical articles with clear explanations and examples
What is UDP Datagram Format in computer networks?
The User Datagram Protocol (UDP) is a transport layer protocol defined for use with the IP network layer protocol. UDP provides a connectionless, unreliable datagram service that prioritizes speed and simplicity over guaranteed delivery. UDP Datagram Format The UDP datagram has an 8-byte header followed by the data payload. This compact header structure contributes to UDP's efficiency and low overhead. UDP Datagram Format Source Port (16 bits) Dest Port (16 bits) Length (16 bits) ...
Read MoreWhat is the difference between SNAT and DNAT?
Source NAT (SNAT) and Destination NAT (DNAT) are two fundamental types of Network Address Translation that serve different purposes in network communication. Understanding their differences is crucial for network administrators managing traffic between private and public networks. SNAT (Source NAT) SNAT represents Source NAT and is used when an internal user initiates a connection with an external host. The NAT device translates the private IP address of the internal host to a public IP address, and may also translate the source port in TCP or UDP headers. When creating outbound connections, ephemeral ports are used to maintain ...
Read MoreHow to Prevent Broken Access Control?
As more and more services move online, the importance of access control becomes increasingly clear. Access control refers to the processes that limit the ability of unauthorized individuals or entities to access resources, whether those resources are software, data, or physical spaces. Broken access control is one of the most common vulnerabilities in software, and it's also one of the most damaging. In this article, we'll explore what broken access control is, what its consequences can be, and most importantly, how to prevent it. What is Broken Access Control? Broken access control refers to a situation in which ...
Read MoreExplain the ATM Cell Structure in Computer Network
ATM (Asynchronous Transfer Mode) transfers data in fixed-size units called cells. Each cell consists of exactly 53 bytes: 5 bytes for the header containing routing and control information, and 48 bytes for the payload carrying user data. The fixed-size cell structure makes ATM particularly suitable for real-time applications like voice and video transmission, as it minimizes delays caused by waiting for large variable-length packets to be processed. ATM Cell Structure (53 Bytes) Header 5 Bytes Payload (User Data) 48 Bytes ...
Read MoreTCP Retransmission
TCP Retransmission is an essential mechanism in network communication that ensures reliable data transfer between sender and receiver. When data packets are lost or corrupted during transmission, TCP automatically retransmits them until they are successfully received. This process is fundamental to maintaining data integrity and reliability across the Internet. Definition of TCP Retransmission TCP Retransmission refers to the process of resending data packets that have not been acknowledged by the receiving end within a specific timeframe. This occurs when packets are lost or corrupted due to network congestion, faulty equipment, poor signal quality, or other transmission issues. The ...
Read MoreWhat are the Stream Control Transmission Protocol (SCTP) services?
The Stream Control Transmission Protocol (SCTP) is a transport layer protocol designed to address the limitations of TCP and UDP for modern Internet applications. Operating at the same layer as TCP and UDP, SCTP provides reliable, message-oriented communication with advanced features like multihoming and multistreaming. SCTP was specifically developed for applications that require more sophisticated services than TCP can provide, including telephony signaling protocols (IUA, M2UA, M3UA), media gateway control (H.248), and IP telephony applications (H.323, SIP). SCTP Protocol Stack Position Application Layer ...
Read MoreWhat is Cyber Security and what are its types?
Cyber Security defines the technologies, procedures, and practices created to protect networks, devices, applications, and data from cyber-attacks. It encompasses all measures designed to safeguard digital assets from unauthorized access, theft, or damage. Cyber security is fundamentally about preserving your devices and network infrastructure from unauthorized access or alteration. As the internet serves as both an essential source of information and a primary channel for business operations, protecting these digital pathways becomes critical for organizations and individuals alike. The primary goal of cyber security is to protect computers, networks, and software programs from digital attacks that aim to ...
Read MoreWhat is MIME in the Computer Network?
MIME (Multipurpose Internet Mail Extensions) is a standard that extends the capabilities of Internet email beyond simple ASCII text. It enables users to exchange various types of data files over the Internet, including images, audio, video, and text in different character encodings. Originally designed for Simple Mail Transfer Protocol (SMTP), MIME has become essential for modern email communication. Virtually all human-written Internet email and a large proportion of automated email is transmitted via SMTP in MIME format. Beyond email, MIME content types are also crucial in other communication protocols like Hypertext Transfer Protocol (HTTP). How MIME Works ...
Read MoreHow to remove Load-use delay in Computer Architecture?
The layout of a processor pipeline significantly affects load-use delay — the time between when data is loaded from memory and when it can be used by subsequent instructions. Understanding how different pipeline architectures handle this delay is crucial for optimizing processor performance. Load-Use Delay in Different Pipeline Architectures RISC (4-stage) F D E W 1 cycle delay ...
Read MoreComponents of Storage Area Network (SAN)
Storage Area Network (SAN) is a dedicated, high-speed network that provides block-level data storage access to multiple servers from a centralized pool of storage devices. Unlike traditional direct-attached storage, SAN creates a separate network infrastructure specifically for storage traffic. The primary purpose of SAN is to enable data transmission between servers and storage devices, as well as facilitate data transfer between different storage systems. This architecture allows organizations to consolidate storage resources and provide scalable, high-performance storage access to multiple servers simultaneously. Storage Area Network Architecture ...
Read More