BUSI 4404 Chapter Notes - Chapter 10: Internet Society, Wi-Fi, Network Interface Device
4 May 2017
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Document Summary
The internet: various networks managed by for-profit, non-profit, and government organizations, transport for www & other services. World wide web (www): is about content, specifically hyperlinked content. Internet service providers (isp): connect the networks of their customers to the internet. National (tier 1): provide services to customers and tier 2 isps. Regional (tier 2): provide service to customers and tier 3 isps. Local (tier 3): sell internet access to individuals. Internet exchange points: where isps connect and exchange data within their tier. Internet architecture: isp"s are autonomous systems and share routing info using bgp. Higher tier charge lower tier for data transfer. Peering: isp"s on the same tier do not charge each other for message transmission. Require faster switches and routers, currently experimenting with oc-768 (40 gbps) and oc-3072 (160 gbps) Point of presence (pop): location where an isp provides service and connects its customers to network.
