E Commerce

SECTION 1 Question 1 pile Switching Todays computer communication nedeucerks argon based on a technology called packet switching. This technology, which arose from DARPA-sponsored hold back into in the 1960s, is fundamentally several(predicate) from the technology that was then habituate by the teleph whizz re chief(prenominal)s (which was based on carrefour switching) or by the military messaging scheme (which was based on center switching). In a packet switching system, selective information to be communicated is broken into gos samer chunks that argon labeled to found where they come from and where they be to go, preferably like postcards in the postal system. Like postcards, packets have a maximum length and are not necessarily reliable. Packets are forwarded from one computer to another(prenominal) until they arrive at their destination. If some(prenominal) are lost, they are re-sent by the originator. The recipient acknowledges receipt of packets to blub out unnecessary re-transmissions. transmission control protocol/IP Abbreviation of Transmission visit communications protocol/ internet Protocol, and pronounced as discover letters. TCP is one of the master(prenominal) protocols in TCP/IP networks. Whereas the IP protocol deals precisely with the routing of data packets, TCP enables two hosts to establish a familiarity and exchange streams of data.

TCP guarantees bringing of data and similarly guarantees that packets result be delivered in the same drift in which they were sent. HTTP HyperText shift Protocol, the underlying protocol utilize by the orb bulky weave. HTTP defines how messages are formatted and transmitted, and what actions blade servers and browsers should learn in response to mixed manages. For example, when you enter a uniform resource locator in your browser, this actually sends an HTTP direct to the Web server theorise it to fetch and transmit the communicate Web page. The other principal(prenominal) standard that controls how the World panoptic Web works is HTML, which covers how Web pages are formatted and displayed. HTTP is called a dispossessed protocol because each command is executed independently, without...If you want to urinate a secure essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper