在Hardware上面的一层是Host-to-Host Connectivity。由于我们网络的目的是能够让两端的主机能够连接,那我们在Hardware的上一层就可以想象成,我们有两个主机要连接起来做通讯,因此叫Host-to-Host Connectivity,表示两台主机之间可以做通讯。 而我们的主机上同时又会run很多应用,每一个应用可能会建好几个connection,变成pr...
本文首发自CS 144 Introduction to Computer Networking 心得 困惑 上一份工作时,我对除了 HTTP 之外的网络知识一无所知。每次遇到一些底层的问题我就像《星际穿越》里面的主角进入了黑洞,觉得头晕眼花。比如 当时经常要接入第三方的 Web API,刚开始调试不通,到底问题在哪里?是我们自己出错了还是对方出错了?遇到过的...
Computer NetworkingThis book gives a broad look at both fundamental networking technology and new areas that support it and use it. It is a concise introduction to the most prominent, recent technological topics in computer networking. Topics include network technology such as wired and wireless ...
IntroductiontoComputerNetworks 系统标签: networksintroductioncomputersdistributedinterconnectedusers 1 INTRODUCTION Eachofthepastthreecenturieshasbeendominatedbyasingletechnology. The18thcenturywastheeraofthegreatmechanicalsystemsaccompanyingthe IndustrialRevolution.The19thcenturywastheageofthesteamengine.During the20thcentury...
A cannot open connection to B B在一个Rendezvous上注册,A向Rendezvous发送请求,Rendezvous转发请求给B,B主动和A建立连接 双方均存在NAT 通过一个Relay转发服务器作为中转,转发双方的消息 1.2 What the Internet is:The 4 Layer Internet Model Application:(http, bit-torrent) ...
classTCPConnection{private://! the flag to indicate whether it is alivebool_active{true};//! the time interval since last segment received.size_t_time_since_last_segment_received{};};size_tTCPConnection::remaining_outbound_capacity()const{return_sender.stream_in().remaining_capacity();}size_...
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Understanding Quake's Fast Inverse Square Root A Simple Introduction To Computer Networking Swap two variables using XOR Understanding Big and Little Endian Byte Order Unicode and You A little diddy about binary file formats Sorting Algorithms
This is an introductory course on computer networking, specifically the Internet. It focuses on explaining how the Internet works, ranging from how bits are modulated on wires and in wireless to application-level protocols like BitTorrent and HTTP. It also explains the principles of how to design...
Example: Computer System Reasons for Layering: Modularity Well defined Service Reuse Separation of Concerns Continuous Improvement 6. Principle: Encapsulation Layer N data is payload to Layer N - 1 eg: IP encapsulated TCP Layering and Encapsulation ...