E Commerce

SECTION 1 Question 1 Packet sack 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 assorted 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 subject matter switching). In a packet switching system, entropy to be communicated is broken into delicate chunks that argon labeled to orient where they come from and where they atomic number 18 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 ane computer to another(prenominal) 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-transm issions. transmission control 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 similarly 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 globe Wide weave. HTTP defines how messages are formatted and stockpileted, a! nd what actions Web servers and browsers should take in solvent to various commands. For example, when you enter a URL in your browser, this real 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 valet de chambre 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 motive to get a secure essay, order it on our website: OrderCustomPaper.com

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