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Internet Articles
Page 44 of 88
What is the difference between Bluetooth and LiFi?
In the rapidly evolving world of wireless communication, Bluetooth and LiFi represent two distinct approaches to data transmission. While Bluetooth uses radio waves for short-range communication, LiFi harnesses visible light to create high-speed wireless networks. Bluetooth Bluetooth is a proprietary wireless technology standard for exchanging data over short distances using radio waves in the ISM band (2.4–2.485 GHz). Originally developed by Ericsson in 1994 as a wireless replacement for RS-232 data cables, Bluetooth creates Personal Area Networks (PANs) with robust security features. The technology operates on a master-slave architecture where one master device can connect to up ...
Read MoreWhat is the difference between SCTP and TCP?
Let us begin by exploring the key differences between Stream Control Transmission Protocol (SCTP) and Transmission Control Protocol (TCP). Both are transport layer protocols, but they serve different purposes and have distinct characteristics. What is SCTP? SCTP (Stream Control Transmission Protocol) is a message-oriented transport layer protocol that combines the best features of TCP and UDP. It was specifically designed for modern Internet applications including telephony signaling (M2UA, M3UA), IP telephony (H.323, SIP), and media gateway control (H.248). SCTP provides reliable data transmission while maintaining message boundaries. Unlike TCP's byte-stream approach, SCTP transfers data in discrete chunks ...
Read MoreWhat is the difference between SOAP and HTTP?
SOAP (Simple Object Access Protocol) and HTTP (Hypertext Transfer Protocol) are fundamentally different technologies that serve different purposes in web communication. SOAP is a messaging protocol for web services, while HTTP is a transport protocol for web communication. SOAP SOAP represents Simple Object Access Protocol, an XML-based messaging protocol designed for web services communication. It is a W3C recommendation that enables communication between applications regardless of platform or programming language. SOAP is platform-independent and language-independent, allowing applications written in different programming languages to communicate seamlessly. The SOAP specifications are maintained and developed by the World Wide Web ...
Read MoreMultiplexing and Demultiplexing in Transport Layer
Multiplexing and Demultiplexing are essential functions of the Transport Layer that enable multiple applications to communicate simultaneously over a single network connection. These processes allow efficient sharing of network resources by managing data flow from multiple sources. Multiplexing Multiplexing is the process of collecting data from multiple application processes of the sender, enveloping that data with headers, and sending them as a whole to the intended receiver. In Multiplexing at the Transport Layer, data is collected from various application processes. These segments contain the source port number, destination port number, header files, and data. ...
Read MoreDynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. In DHCP, port number 67 is used for the server and 68 is used for the client. DHCP allows a network administrator to supervise and distribute IP addresses from a central point and automatically sends a new Internet Protocol (IP) address when a computer is plugged into a different place in the network. DHCP is an application layer protocol that provides: IP ...
Read MoreDistance Vector Routing (DVR) Protocol
In distance-vector routing (DVR), each router is required to inform the topology changes to its neighboring routers periodically. Historically it is known as the old ARPANET routing algorithm or Bellman-Ford algorithm. Distance vector routing is a distributed routing protocol where routers share information about network destinations with their directly connected neighbors. Each router maintains a distance vector table that contains the best known distance to every destination in the network. How the DVR Protocol Works Routing table maintenance − Each router maintains a routing table containing one entry for each destination, with two parts: a ...
Read MoreInternet Protocol version 6 (IPv6) Header
Internet Protocol version 6 (IPv6) is the next generation internet protocol designed to replace IPv4. IPv6 addresses the critical limitations of IPv4, particularly the exhaustion of available IP addresses, by using a 128-bit address space that provides virtually unlimited addressing capacity. IPv6 introduces significant improvements over IPv4 including simplified header structure, better routing efficiency, enhanced security features, and built-in support for network auto-configuration. While maintaining backward compatibility concepts, IPv6 removes outdated IPv4 functions and streamlines packet processing. IPv6 Address Representation IPv6 addresses use 128 bits, represented as eight groups of four hexadecimal digits separated by colons. This ...
Read MoreInternet Control Message Protocol (ICMP)
The Internet Control Message Protocol (ICMP) is a network layer protocol that operates within the OSI model's network layer and the TCP/IP model's internet layer. It serves as a communication mechanism for routers and network devices to send control and error messages throughout the network. ICMP enables network devices to report problems, query network status, and provide diagnostic information. Common ICMP messages include "destination unreachable, " "time exceeded, " and "echo requests" used by utilities like ping. ICMP Message Flow in Network Communication Host A ...
Read MoreWhat are the challenges of a Computer Network?
Computer networks face numerous challenges that can impact their reliability, performance, and security. Understanding these challenges is crucial for IT professionals to maintain robust network infrastructure and ensure seamless communication across organizations. Network reliability encompasses issues like packet loss, bandwidth saturation, and latency. While these technical terms might seem overwhelming to smaller IT teams, the underlying problems often require systematic troubleshooting approaches beyond simple device reboots. Major Network Challenges Host Identification The Host ID is the portion of an IP address that uniquely identifies a host on a given TCP/IP network. While smaller networks can be ...
Read MoreWhat is ISCII Encoding?
The full form of ISCII is Indian Script Code for Information Interchange. It was established by the Bureau of Indian Standards in 1991 and is based on the earlier Indian Standard IS 10401:1982. ISCII is a coding scheme specifically designed for representing Indian languages in digital format. ISCII is an 8-bit encoding standard where the lower 128 characters (0-127) conform to the ASCII standard, and the higher 128 characters (128-255) are used to encode characters from Indian scripts. This design ensures backward compatibility with ASCII while providing support for Indic languages. ISCII 8-bit Character ...
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