http://blog.163.com/digoal@126/blog/static/16387704020131014104256627/   例子来自tcpdumplike.stp脚本, 当tcp.receive事件触发后, 取出类似tcpdump输出的源ip, 目的ip, 源端口, 目的端口, 以及6个tcp包的控制比特位信息. tcp.receive alias实际上包含2个内核函数, 分别代表ipv4和ipv6.  kernel.function("tcp_v4_rcv")…
computer network layers architecture (TCP/IP) 计算机网络分层架构 TCP/IP 协议簇 OSI 模型(7 层) TCP/IP (4 层) Application (or Process)Internet Transport (or Host-to-Host) Internet Network Access (or Link) Application (e.g. SNMP, HTTP, FTP) Presentation (e.g. encryptio…
There are lots of free tools available online to get easy access to the WiFi networks intended to help the network admins and the programmers working on the WiFi systems and we at Team Techworm have picked the top 10 of those for ethical hackers, pro…
网络监控困难 1.仅仅通过去增加特定的监控功能到交换机是不能满足运营商不断变化的需求的.(交换机需要支持网络性能问题的表达语言) 2.他们缺乏对网络深处的性能问题进行本地化的可见性,间接推断网络问题的原因 3.当前的交换机监控并没有提供相关的性能数据,没办法直观的查看性能统计信息来诊断问题 操作员使用 Marple Marple 的功能结构 数据包性能流作为基础输入流的一部分,我们称之为pktstream.Marple为每个队列中的每个分组提供一个元组,并且具有以下字段(switch, qid,…
SystemTap 3.0 SystemTap Beginners Guide Introduction to SystemTap Edition 3.0   Red Hat, Inc. Don Domingo Engineering Services and Operations Content Services ddomingo@redhat.com William Cohen Engineering Services and Operations Performance Tools wco…
http://technet.microsoft.com/en-us/library/bb742455.aspx Abstract Network Load Balancing, a clustering technology included in the Microsoft Windows 2000 Advanced Server and Datacenter Server operating systems, enhances the scalability and availabilit…
http://zh.wikipedia.org/wiki/TCP/UDP%E7%AB%AF%E5%8F%A3%E5%88%97%E8%A1%A8 TCP/UDP端口列表     本条目可通过翻译外语维基百科相应条目来扩充. 请在翻译前点击右边的“显示▼”了解重要说明. 不要翻译不可靠及低质量的内容.若可能,请查证外语条目中的参考来源. 基于版权协议,提交翻译时请在编辑摘要注明翻译来源,也可以将{{Translated page}}加入讨论页. 可从维基百科:翻译请求和维基百科:翻译守则获取更多指…
http://blog.packagecloud.io/eng/2016/06/22/monitoring-tuning-linux-networking-stack-receiving-data/ Jun 22, 2016 • packagecloud Tags: packagecloud linux kernel networking optimization tuning monitoring TL;DR This blog post explains how computers runn…
http://technet.microsoft.com/en-us/library/cc756878(v=ws.10).aspx In this section Network Load Balancing Terms and Definitions Network Load Balancing Architecture Network Load Balancing Protocols Application Compatibility with Network Load Balancing…
a linux trace/probe tool. 官网:https://sourceware.org/systemtap/ 简介 SystemTap是我目前所知的最强大的内核调试工具,有些家伙甚至说它无所不能:) (1) 发展历程 Debuted in 2005 in Red Hat Enterprise Linux 4 Update 2 as a technology preview. After four years in development, System 1.0 was relea…