NS Simulation: Scheduling Events Simulation time A similation system (such as NS) must have a built-in simulation clock - it represents the "clock" in the real world. You can examine (read) the value of the simulation clock by using the now comm…

这个网站上的一系列讲解NS2的内容真的是深入浅出,看完立刻豁然开朗.所以就接连转了几篇. Scheduling Events那篇里的例子特别好,看完就懂了. http://www.mathcs.emory.edu/~cheung/Courses/558-old/Syllabus/90-NS/ NS Simulation Basic Common NS classes The following figure shows the most commonly used NS classes in w…

Studying TCP's Throughput and Goodput using NS What is Throughput Throughput is the amount of data received by the destination. The Average Throughput is the throughput per unit of time Example: Suppose a TCP receiver receives 60 M Bytes of data in 1…

Studying TCP's Congestion Window using NS How to obtain TCP's CWND value The most important value that determine the behavior of TCP is the congestion window size or traditionally abreviated as CWND In NS, every TCP-type class (Agent/TCP/Tahoe, (Agen…

FROM: http://www.tecmint.com/18-tar-command-examples-in-linux/ 18 Tar Command Examples in Linux By Ravi Saive Under: CentOS, Fedora, Linux Commands, Linux Distros, RedHat On: September 15, 2012 The Linux “tar” stands for tape archive, which is used b…

iOS 第三方库.插件.知名博客总结 用到的组件 1.通过CocoaPods安装 项目名称 项目信息 AFNetworking 网络请求组件 FMDB 本地数据库组件 SDWebImage 多个缩略图缓存组件 UICKeyChainStore 存放用户账号密码组件 Reachability 监测网络状态 DateTools 友好化时间 MBProgressHUD 一款提示框第三方库 MWPhotoBrowser 一款简单的 iOS 照片浏览控件 CTAssetsPickerController…

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Learn X in Y minutes Where X=clojure Get the code: learnclojure.clj Clojure is a Lisp family language developed for the Java Virtual Machine. It hasa much stronger emphasis on purefunctional programming thanCommon Lisp, but includes severalSTM utilit…