Articles on Trending Technologies

Technical articles with clear explanations and examples

What is a Virtual Circuit Identifier (VCID)?

Nancy Den
Nancy Den
Updated on 16-Mar-2026 5K+ Views

A Virtual Circuit Identifier (VCID or VCI) is a label assigned to each virtual circuit in a packet-switched network that determines the path a data unit must follow from source to destination. A virtual circuit (VC) is a communication technique that creates the appearance of a dedicated physical connection between two systems, even though the data actually travels through a shared packet-switched network infrastructure. How Virtual Circuits Work VCIDs enable efficient network resource utilization by allowing multiple virtual circuits to share the same physical links simultaneously. The same VCID can be reused on different network segments for ...

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Difference between Spooling and Buffering

Kiran Kumar Panigrahi
Kiran Kumar Panigrahi
Updated on 16-Mar-2026 9K+ Views

Multitasking plays an important role in defining computer performance by determining how the CPU divides and manages processes between different input/output subsystems. To process multiple tasks efficiently, computer systems use various methods including spooling and buffering, which are fundamental techniques for optimizing data flow and system performance. In this article, we will discuss the major differences between spooling and buffering. Let's first understand each concept individually to better grasp how they differ from each other. What is Spooling? Spooling (Simultaneous Peripheral Operation On-Line) is a technique that stores data in a temporary working area where it can ...

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Unlock the Secrets Behind Our Game-Changing Probabilistic Shortest Path Algorithm for Optical Networks

sudhir sharma
sudhir sharma
Updated on 16-Mar-2026 408 Views

In today's data-driven world, optical networks play a crucial role in ensuring fast and reliable communication. One key aspect of optimizing these networks is implementing effective routing algorithms to find the shortest paths between nodes. The probabilistic shortest path routing algorithm for optical networks is an innovative solution designed to enhance network performance, latency, and reliability. By leveraging cutting-edge techniques such as Dijkstra's algorithm, fuzzy logic, and graph theory, this approach offers promising results in improving throughput by 10-20%. Understanding the Algorithm The probabilistic shortest path routing algorithm combines traditional graph theory with probability calculations to find ...

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Difference between PPTP and OpenVPN

Pranav Bhardwaj
Pranav Bhardwaj
Updated on 16-Mar-2026 700 Views

VPN protocols define how data is transmitted securely between your device and a VPN server. Two of the most commonly discussed VPN protocols are PPTP (Point-to-Point Tunneling Protocol) and OpenVPN, each offering different levels of security, speed, and compatibility for establishing virtual private network connections. How VPN Protocols Work A Virtual Private Network (VPN) creates an encrypted tunnel between your device and a remote server. VPN protocols handle the establishment, maintenance, and termination of these secure connections using two primary channels: a data channel for transmitting encrypted information and a control channel for managing the connection state and ...

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ATM Adaptation Layer (AAL)

Nancy Den
Nancy Den
Updated on 16-Mar-2026 11K+ Views

In Asynchronous Transfer Mode (ATM) networks, the ATM Adaptation Layer (AAL) provides facilities for non-ATM based networks to connect to ATM network and use its services. AAL is basically a software layer that accepts user data, which may be digitized voice, video or computer data, and makes them suitable for transmission over an ATM network. The transmissions can be of fixed or variable data rate. AAL accepts higher layer packets and segments them into fixed sized ATM cells before transmission via ATM. It also reassembles the received segments to the higher layer packets. ATM ...

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Difference between SSH and Telnet.

Kiran Kumar Panigrahi
Kiran Kumar Panigrahi
Updated on 16-Mar-2026 17K+ Views

There are various application programs that we can use to access the resources of a remote machine. Telnet and SSH are the primary client-server application programs that use remote terminal service, which allows a user at one site to interact with a remote timesharing system at another site as if the user's keyboard and display are connected directly to the remote machine. Both Telnet and SSH are Layer 7 application layer protocols and both use TCP (Transmission Control Protocol) at the transport layer. In this article, we will discuss the important differences between SSH and Telnet. But before going ...

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Advantages and Disadvantages of Dedicated IP Addresses

Satish Kumar
Satish Kumar
Updated on 16-Mar-2026 4K+ Views

A dedicated IP address is a unique numerical label assigned exclusively to a single device, website, or service, unlike shared IP addresses that serve multiple users simultaneously. This exclusivity brings both significant benefits and notable drawbacks that organizations must carefully consider. Shared vs Dedicated IP Address Architecture Shared IP Address Site A Site B Site C 192.168.1.100 ...

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Wide-Mouth Frog

Pranavnath
Pranavnath
Updated on 16-Mar-2026 543 Views

The Wide-Mouth Frog protocol is a simple authentication protocol used in distributed systems to establish secure communication between entities through a trusted third party. Named metaphorically after the frog's ability to "open wide" and relay information, this protocol enables secure key distribution and mutual authentication in network environments. The protocol operates with three entities: two parties wanting to communicate securely (typically Alice and Bob) and a trusted Key Distribution Center (KDC). The Wide-Mouth Frog protocol is particularly useful in scenarios where direct key exchange between parties is not feasible or secure. How Wide-Mouth Frog Protocol Works The ...

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Transform Your Remote Work Experience with Wake-on-LAN Technology!

sudhir sharma
sudhir sharma
Updated on 16-Mar-2026 496 Views

Wake-on-LAN (WoL) is a network protocol that enables users to remotely power on computers from a low-power mode or complete shutdown by sending a special network packet called a "Magic Packet" to the target device's network interface card. This technology has become essential for remote work environments, IT administration, and energy-efficient computing, allowing seamless access to distant computers without physical interaction. How Wake-on-LAN Works When a computer is in sleep, hibernation, or shutdown mode, its network interface card remains partially active, listening for incoming Magic Packets. The Magic Packet contains the target computer's MAC address repeated 16 ...

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Static NAT (on ASA)

Satish Kumar
Satish Kumar
Updated on 16-Mar-2026 372 Views

Static Network Address Translation (NAT) is a one-to-one IP address mapping technique that translates a specific internal IP address to a dedicated external IP address. On Cisco's Adaptive Security Appliance (ASA), Static NAT provides secure access to internal servers and services from external networks while maintaining network security. Unlike dynamic NAT which uses a pool of addresses, Static NAT creates a permanent mapping between internal and external IP addresses, making it ideal for hosting web servers, email servers, or other services that require consistent external accessibility. How Static NAT Works Static NAT establishes a fixed one-to-one mapping ...

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