随笔分类 -  Computer Network

摘要：Internet ?: a.specific construction of handware and software b.communication services provied for applicationsProtocal ?: it define format, order of msgs sent and received among network entities, and actions taken on msg transmission, receipt(语法&语义||格式&次序+动作）Network edge end systems, access 阅读全文

摘要：--Chapter 1 Introductionwhat’s the Internet?what’s a protocol?network edge; hosts, access net, physical medianetwork core: packet/circuit switching, Internet structureperformance: loss, delay, th... 阅读全文