A web server is computer system that stores, processes, and delivers web content, like HTML pages, images, and videos to clients through web browser using Hypertext Transfer Protocol (HTTP) protocol. The Web Server Software is responsible for receiving the HTTP request and responding back with requested information.
Category: Internet
TCP 3-Way Handshake
TCP is the primary transport layer protocol that is used to transport data between systems when communicating over a network. TCP is a connection oriented protocol that provides reliability, flow control, congestion control and multiplexing. TCP establishes a connection between the systems when they want to send data with a 3-way handshake. The client starts…
Domain Name Service (DNS)
Domain Name Service (DNS) provides naming service for computers and services. It has a database of mappings of hostnames to IP addresses. Client which wants to access target services on a server, connects to the hostnames. To resolve the hostname, the client send requests to the DNS server and gets the IP address. Using the…
Defense Advanced Research Projects Agency (DARPA)
Defense Advanced Research Projects Agency (DARPA) is a research and development agency in United States governed by Department of Defense (DOD) that is responsible for the development of emerging and breakthrough technologies for US military. ARPA was established in 1957. DARPA programs focus on the fundamental research required to establish proof of concept.
Network Information Center (NIC)
Network Information Center (NIC) also known as InterNIC was the organization that was responsible for Domain Name System (DNS) domain name allocations and X.500 directory services. From 1998, the Internet Corporation for Assigned Names and Numbers (ICANN) took it the responsibility for managing DNS.
Dynamic Host Control Protocol (DHCP)
Dynamic Host Control Protocol (DHCP) is a network management protocol that is used in IP network to assign IP addressed to nodes connected to the network automatically. DHCP is described in RFC 2131. In 1980s, there was Diskless Workstations which did not have disk with basic memory that used network booting. Since it has very…
IEEE 802
IEEE 802 is a networking standard developed and maintained by LAN/MAN Standards Committee (LMSC) for Local Area Network (LAN), Personal Area Network (PAN) and Metropolitan Area Network (MAN). IEEE 802 recommends best practices using an open and accredited process for Wired LAN, Wireless LAN, Wireless PAN, Wireless MAN.
Maximum Transmission Unit (MTU)
Maximum Transmission Unit (MTU) is the measurement of largest data packet that can be sent on a network between systems. Units used for MTU measured is bytes. MTU is property of data link layer. Some Data Link technology’s MTU are given below for your reference. Technology MTU Ethernet 1500 Wi Fi 2304 PPPoE 1492
Network Security
An enterprise comprises systems and applications. The systems are interconnected through a network. The systems, applications and network (Intranet) combined together becomes an infrastructure. The infrastructure is connected to the Internet for various purposes. The Internet is un-secured huge public network and the enterprise network is private secured network. There should be line of control…