E Commerce

SECTION 1 Question 1 Packet transposition Todays computer communication networks argon based on a technology called packet switching. This technology, which arose from DARPA-sponsored look into in the 1960s, is fundamentally varied from the technology that was then utilize by the teleph whizz re chief(prenominal)s (which was based on overlap switching) or by the military messaging system (which was based on pass on switching). In a packet switching system, entropy to be communicated is broken into delicate chunks that argon labeled to come out where they come from and where they be to go, rather like postcards in the postal system. Like postcards, packets have a maximum length and are not necessarily reliable. Packets are forwarded from hotshot computer to other until they arrive at their destination. If whatsoever are lost, they are re-sent by the originator. The recipient acknowledges receipt of packets to snuff out unnecessary re-transmissions. transmissio n control communications communications protocol/IP Abbreviation of Transmission Control communications protocol/Internet Protocol, and pronounced as separate letters. TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only with the routing of data packets, TCP enables two hosts to establish a connection and exchange streams of data.

TCP guarantees delivery of data and as well guarantees that packets will be delivered in the same order in which they were sent. HTTP HyperText Transfer Protocol, the underlying protocol used by the circulate Wide weave. HTTP defines how mes sages are formatted and ravishted, and what! actions Web servers and browsers should take in receipt to various commands. For example, when you enter a URL in your browser, this really sends an HTTP command to the Web server say it to fetch and transmit the requested Web page. The other main standard that controls how the terra firma Wide Web works is HTML, which covers how Web pages are formatted and displayed. HTTP is called a stateless protocol because each command is executed independently, without...If you fatality to get a secure essay, order it on our website: OrderCustomPaper.com

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