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Articles by Pranav Bhardwaj
400 articles
What is an SSID?
WiFi networks are ubiquitous in today's connected world, providing network connectivity for home automation, mobile devices, and countless applications. Understanding how devices identify and connect to the correct wireless network is fundamental to modern networking. SSID (Service Set Identifier) is a unique 32-character string that serves as the network name for a wireless local area network (WLAN). Think of it as a street address that helps devices identify and distinguish one WiFi network from another in areas where multiple networks may be present. SSID Network Identification ...
Read MoreWhat is DjVu Compression?
DjVu is a computer file format created to hold scanned documents, particularly ones that include text, line drawings, indexed color pictures, and photographs. It uses advanced techniques such as image layer separation, progressive loading, arithmetic coding, and lossy compression for bitonal images to achieve superior compression ratios. Organizations and individuals distributing high-resolution documents need an efficient compression technique that maintains quality while reducing file sizes dramatically. These documents are typically viewed in web browsers, requiring fast decoding for smooth user experience. DjVu provides an ideal solution with compression ratios up to 1000 times smaller than the original file. ...
Read MoreWhat is Generic Routing Encapsulation (GRE)?
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems that enables encapsulation of a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol network. GRE uses IP protocol number 47 and is defined by RFC 2784. GRE creates secure tunnels between network endpoints, allowing different private networks to communicate over public infrastructure like the Internet. It operates as a stateless protocol, meaning it doesn't maintain connection state information. How GRE Works GRE works by encapsulating the original packet (payload) within a new IP packet. The process involves: ...
Read MoreForward Error Correction in Computer Networks
Forward Error Correction (FEC) is an error control technique in data transmission where the source (transmitter) adds redundant data, allowing the destination (receiver) to detect and correct errors without requesting retransmission. Unlike Automatic Repeat Request (ARQ), FEC does not require handshaking between sender and receiver, making it suitable for broadcast and real-time applications. In its simplest form, FEC transmits each character twice. The receiver compares both instances and accepts the character if both conform to the protocol, or selects the conforming instance if only one is valid. If neither instance is valid, the character is rejected and replaced with ...
Read MoreDifference between HCL connections and iCloud
HCL Connections and iCloud are two distinct cloud platforms serving different purposes and target audiences. While HCL Connections focuses on enterprise collaboration and team productivity, iCloud serves as Apple's integrated cloud ecosystem for personal and business use across Apple devices. HCL Connections HCL Connections was originally developed by IBM as "IBM Connections" and later acquired by HCL Technologies in 2019. It is an enterprise-focused social collaboration platform designed to enhance team productivity and communication. Key Features Enterprise collaboration tools − Includes wikis, blogs, forums, file sharing, and social networking features for business teams ...
Read MoreDifference between Amazon S3 and Backblaze B2
Amazon S3 and Backblaze B2 are both cloud storage services that offer scalable object storage solutions, but they differ significantly in pricing, features, and target audiences. Understanding these differences helps businesses choose the right storage platform for their needs. Amazon S3 Amazon Simple Storage Service (Amazon S3) is a web-based cloud storage service launched by AWS in March 2006. It provides highly scalable, secure, and fast object storage designed for web-scale computing. Scalable storage − S3 can store virtually any type of data, making it ideal for backup, archiving, data lakes, and hybrid cloud storage ...
Read MoreWireless Media Access Issues in Internet of Things
The Internet of Things (IoT) is a network of interconnected physical devices embedded with sensors, software, and connectivity technologies that enable them to collect and exchange data over the internet. These "smart" devices range from simple sensors to complex industrial equipment. IoT systems rely heavily on wireless communication due to the mobility and distributed nature of connected devices. However, wireless media access presents unique challenges that significantly impact IoT network performance, energy efficiency, and reliability. Medium Access Control (MAC) in IoT The MAC protocol coordinates data transmission among multiple IoT devices sharing the same wireless medium. Unlike ...
Read MoreDifference between MediaFire and BorgBase
MediaFire and BorgBase are two distinct cloud storage solutions that serve different purposes and target audiences. MediaFire is a mainstream file hosting service designed for general users, while BorgBase specializes in secure backup repositories for advanced users and developers. MediaFire MediaFire is an online backup service that provides users services such as file hosting, file synchronization, and cloud storage. The company is based in Texas, United States. MediaFire was founded by Derek Labian and Tom Langridge in June 2006 and has around 43 million registered users. It is compatible with almost all platforms ...
Read MoreWhat happens when we type a URL?
A Uniform Resource Locator (URL) is a web address that specifies the location of a web resource on a computer network and defines how to access it. URLs are most commonly used to reference web pages, but they can also point to files, email addresses, databases, and other network resources. A URL consists of several components: a protocol (like HTTP or HTTPS), a domain name, an optional port number, a path to the specific resource, and sometimes additional parameters or fragments. When you type a URL into your browser's address bar or click a hyperlink, a complex series of ...
Read MoreDifference between USB Tethering and Mobile Hotspot
USB Tethering and Mobile Hotspot are two methods for sharing a mobile device's internet connection with other devices. While both provide internet access, they differ significantly in their connection methods, performance characteristics, and use cases. USB tethering creates a direct connection between a mobile device and another device (typically a laptop) using a USB cable. In contrast, a mobile hotspot creates a wireless network that allows multiple devices to connect via Wi-Fi. USB Tethering and Mobile Hotspot: Key Differences No, USB tethering and mobile hotspot are not the same, though they serve similar purposes of sharing internet ...
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