IST 233 Lecture Notes - Lecture 2: Capital Expenditure, Starbucks, Mac Address
20 Mar 2018
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Look at condensed version of power point on blackboard, if needed to study. Nerds (video) key points: the arpanet network used message or packet switching as an alternative to the circuit switching used on the telephone system, arpanet led to development of other packet-switched networks , including alohnet and. Ethernet: primary goal was to provide access to mainframe computer systems, Its diffi(cid:272)ult to understand the details of networking if you don"t understand the (cid:271)ig picture: diffi(cid:272)ult to understand (cid:271)ig pi(cid:272)ture if you don"t get the details, the cloud is based on two key technologies, networking, virtulization. It may be easy to scale an app to 10 users but it is much more difficult to scale to a lot of people. Insuring that products from multiple vendors work together: never black and white, always grey. In some ways yes but not all: example 2: sometimes apple releases an update and it does not work well with su"s network.
