计算机网络

reference: https://github.com/VasanthVanan/computer-networking-top-down-approach-notes (this note is based on the linked note) Chapter 0: something to know 0.1 Network of Networks end systems = host = connected devices, ISPs = Internet Service Providers Access Networks: the network that physically connects an end system to the first router. Peering: direct traffic exchange between ISPs IXPs: Internet Exchange Points facilitate ISPs’ direct connections. 0.2 Throughput Instantaneous vs. Average the throughput is determined by the slowest link in a connection - the bottleneck. ...