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Computer Network Articles
Page 28 of 122
How to use Net Meeting and what is the code to start and join the meeting online?
NetMeeting was Microsoft's pioneering video conferencing solution that came pre-installed with Windows 95 and Windows XP. This application provided basic video calling, desktop sharing, and collaborative features before being replaced by Windows Meeting Space in Windows Vista. While no longer supported, understanding NetMeeting helps appreciate the evolution of modern video conferencing tools. NetMeeting offered a simple, menu-driven interface that made it accessible to users with basic technical knowledge. It supported both audio and video communication over network connections, making it an early solution for remote collaboration. How NetMeeting Worked NetMeeting used a directory server model where users ...
Read MoreWhat is the best desktop configuration for a graphics designer?
When assembling a custom desktop computer for graphics design work, specific hardware components can significantly impact your workflow and productivity. Here's the optimal configuration for professional graphics designers. Graphics Designer Desktop Configuration CPU & Motherboard Intel i7/i9 or AMD Ryzen 7/9 32GB+ RAM support SATA 3.0 + NVMe GPU & Memory NVIDIA RTX 4070/4080 32GB DDR4/DDR5 RAM 1TB NVMe SSD + 2TB HDD ...
Read MoreNetwork Control Protocol (NCP)
Network Control Protocol (NCP) is a set of protocols forming a part of Point-to-Point Protocol (PPP). PPP is a data link layer protocol that is used to transmit multiprotocol data between two directly connected (point-to-point) computers. PPP is composed of Link Control Protocol (LCP), Authentication Protocol (AP), and Network Control Protocol (NCP). NCPs are used for negotiating the parameters and facilities for the network layer. For every higher-layer protocol supported by PPP, one corresponding NCP is implemented to handle its specific configuration requirements. How NCP Works NCPs operate at the network layer within the PPP framework. They ...
Read MoreWhat is Payload in Computer Network?
In computer networking and telecommunications, when a transmission unit is sent from the source to the destination, it contains both a header and the actual data to be transmitted. This actual data is called the payload. The header contains the protocol information as well as the source and destination addresses, which are required for delivery of the payload. The payload is the essential information required by the destination client. Data Link Layer Frame Structure Header Control Info Payload (Actual Data) Data ...
Read MoreAsymmetric Digital Subscriber Loop (ADSL)
Asymmetric Digital Subscriber Line (ADSL) is a type of broadband communications technology that transmits digital data at a high bandwidth over existing phone lines to homes and businesses. The term "asymmetric" refers to the different upstream and downstream data rates, with downstream typically being much faster. In order to access ADSL, a Digital Subscriber Line modem (DSL modem) is installed at the client side. The DSL modem sends data bits over the local loop of the telephone network. The local loop is a two-wire connection between the subscriber's house and the end office of the telephone company. The data ...
Read MoreADSL protocol stacks
Asymmetric Digital Subscriber Line (ADSL) is a type of broadband communications technology that transmits digital data at a high bandwidth over existing phone lines to homes and businesses. The term "asymmetric" refers to the different data transmission speeds for upstream (from customer to provider) and downstream (from provider to customer) traffic. The ADSL protocol stack depicts the set of protocols and layers that work together to enable data transmission over traditional telephone infrastructure. This layered approach ensures reliable, efficient data delivery while maintaining compatibility with existing telephone systems. How ADSL Works To access ADSL, a Digital Subscriber ...
Read MoreWhat is a Virtual Circuit Identifier (VCID)?
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 ...
Read MoreATM Adaptation Layer (AAL)
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 ...
Read MorePPP over ATM (PPPoA)
PPP over ATM (PPPoA) is a data link layer protocol that transmits PPP data over ATM networks by encapsulating PPP frames in ATM Adaptation Layer 5 (AAL 5) frames. Point-to-Point Protocol (PPP) is a data link layer protocol used to transmit data between two directly connected computers. It is a byte-oriented protocol widely used in broadband communications with heavy loads and high speeds, standardized as RFC 1661. In Asynchronous Transfer Mode (ATM) networks, the ATM Adaptation Layer (AAL) provides facilities for non-ATM based networks to connect to ATM networks and use their services. The most widely deployed AAL ...
Read MoreAssumptions for Dynamic Channel Allocation
Dynamic channel allocation schemes are methods for allotting shared network channels to competing users in a dynamic manner based on their requirements. The users may be base stations, access points, or terminal equipment that receive channels from a central pool. These allocation methods operate under specific assumptions that define how the network behaves and how resources are managed. Understanding these assumptions is crucial for implementing effective dynamic channel allocation algorithms. Core Assumptions Independent Traffic It is assumed that users operate independently of each other. Each user generates and transmits data that is unrelated to other users' ...
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