BU415 Lecture Notes - Lecture 4: Survival Kit, Packet Switching, Grid Computing
Document Summary
Internet: an infrastructure upon which man services are delivered, the worldwide, publicly accessible system of interconnected computer networks that transmit data by packet switching using the standard ip, the net the web. Characteristics or internet: distributed ownership, multiplicity of devices collection of digital devices (nodes) among internet nodes are freely available to everyone, open standards, the internet is rapidly evolving: Different portions of the internet are owned by different entities. The internet consists of millions of smaller digital networks, a. The agreed upon set of rules or conventions governing communication: network and grid computing, wired and wireless connections of a range of intelligent devices. Network economics: value in scarcity the value of a good is a function if its limited availability, value in plenitude value of a network is a function of the number of connected nodes. Types of networks: physical networks railroad) such as people (itunes, skype ebay, virtual network. Nodes of network are connected by physical links (telephone,
