CGS-2100 Lecture Notes - Lecture 5: Vint Cerf, E-Commerce, Internet Protocol Suite
Document Summary
It"s a collectio(cid:374) of (cid:374)etworks that (cid:373)erge to for(cid:373) a huge (cid:374)etwork: was originally developed as a secure form of communication by which all computers could communicate, fathers were vinton cerf and robert kahn. How the internet works: each individual node in the network communicates in turn, nodes can take on one of two roles. Server- computer that receives requests and returns the requested data. E-commerce: the process of making business transactions online, there are 3 types of e-commerce business models. Business to consumer- transactions take place between a consumer and a business. Business to business- transactions take place between businesses. Consumer to consumer- transactions take place between consumers: social commerce- the subset of e-commerce that uses social networks to assist in the marketing and purchasing of products. Urls, protocols, and domain names: url identifies the corresponding file in the following way. The protocol is the set of rules used to retrieve the file.
