随笔分类 -  Openvswitch

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有了Openvswitch和Docker，终于可以做《TCP/IP详解》的实验了！
摘要：所有做过网络编程的程序员，想必都会看《TCP/IP详解》卷一：协议 后来出了第二版，但是由于第一版才是Rechard Stevens的原版，本人还是多次看了第一版。 对这一版印象最深的就是下面这个拓扑图 书上的很多实验，都是基于这个图做的，看了实验结果，很多理论才有真实的感觉。 看这本书的时候，不尽 阅读全文
posted @ 2018-03-02 11:25 popsuper1982 阅读(3440) 评论(1) 推荐(4) 编辑
干货分享: 长达150页的openvswitch的ppt，不实验无真相
摘要：下载链接: Openvswitch实验教程http://files.cnblogs.com/popsuper1982/Openvswtich.pptx一、概论Software Defined Network简介OpenFlow简介Openvswitch简介二、架构Openvswitch架构实验一：查... 阅读全文
posted @ 2014-09-10 08:49 popsuper1982 阅读(16409) 评论(6) 推荐(3) 编辑
Openvswitch手册(9): Flow
摘要：这一节我们将flow tableflow table主要由ovs-ofctl命令操作ovs-ofctl可以走和openflow controller一样的协议：ssl:ip[:port]: The specified SSL port (default: 6633) on the host at t... 阅读全文
posted @ 2014-06-26 16:04 popsuper1982 阅读(8771) 评论(0) 推荐(0) 编辑
Openvswitch手册(8): ovs-vsctl的DB的操作
摘要：ovs-vsctl的DB的操作如果你在命令行里面找不到相应的命令创建和删除对象，则可以直接删除数据库[−−if−exists] [−−columns=column[,column]...] list table [record]...$ sudo ovs-vsctl list bridge _uui... 阅读全文
posted @ 2014-06-23 22:23 popsuper1982 阅读(4973) 评论(1) 推荐(1) 编辑
Openvswitch手册(7): Interfaces
摘要：我们来看Interfacesofport: OpenFlow port number for this interface.type:system: An ordinary network device, e.g. eth0 on Linux.internal: A simulated networ... 阅读全文
posted @ 2014-06-23 22:11 popsuper1982 阅读(2315) 评论(0) 推荐(1) 编辑
Openvswitch手册(6): QoS
摘要：这一节我们看QoS，Qos的设置往往是和flow中的policy一起使用的Open vSwitch QoS capabilities1 Interface rate limiting2 Port QoS policyQoS: Interface rate limitingA rate and bur... 阅读全文
posted @ 2014-06-23 12:46 popsuper1982 阅读(7104) 评论(1) 推荐(0) 编辑
Openvswitch手册(5): VLAN and Bonding
摘要：我们这一节来看Port一般来说一个Port就是一个Interface，当然也有一个Port对应多个Interface的情况，成为BondVLAN ConfigurationPort的一个重要的方面就是VLAN Configuration，有两种模式：trunk port，这个port不配置tag，配... 阅读全文
posted @ 2014-06-21 09:49 popsuper1982 阅读(10417) 评论(3) 推荐(0) 编辑
[转]Link Aggregation and LACP with Open vSwitch
摘要：http://blog.scottlowe.org/2012/10/19/link-aggregation-and-lacp-with-open-vswitch/In this post, I’m going to show you how to use link aggregation (via ... 阅读全文
posted @ 2014-06-21 09:48 popsuper1982 阅读(588) 评论(0) 推荐(0) 编辑
[转]Part1 – OPENVSWICH – Creating and Submitting Openvswitch Extension To Tinycore Upstream
摘要：In May 2011, I read a request for installation Openvswitch on Qemu image. I started to play with Openvswitch and finally became fan of this project. I... 阅读全文
posted @ 2014-06-21 09:37 popsuper1982 阅读(762) 评论(0) 推荐(0) 编辑
Openvswitch手册(4): Mirror
摘要：这一节我们来分析MirrorMirror就是配置一个bridge，将某些包发给指定的mirrored ports对于包的选择：select_all，所有的包select_dst_portselect_src_portselect_vlan对于指定的目的：output_port (SPAN)outpu... 阅读全文
posted @ 2014-06-21 09:31 popsuper1982 阅读(4517) 评论(0) 推荐(0) 编辑
Openvswitch手册(3): sFlow, netFlow
摘要：这一节，我们重点看sFlow采样流sFlow（Sampled Flow）是一种基于报文采样的网络流量监控技术，主要用于对网络流量进行统计分析。sFlow系统包含一个嵌入在设备中的sFlow Agent和远端的sFlow Collector。其中，sFlow Agent通过sFlow采样获取本设备上的... 阅读全文
posted @ 2014-06-21 09:29 popsuper1982 阅读(4810) 评论(1) 推荐(3) 编辑
[转]Rapidly detecting large flows, sFlow vs. NetFlow/IPFIX
摘要：Figure 1: Low latency software defined networking control loop The articles SDN and delay and Delay and stability describe the critical importance of low measurement delay in constructing stable ... 阅读全文
posted @ 2014-06-21 09:27 popsuper1982 阅读(1342) 评论(0) 推荐(1) 编辑
[转]Network flow monitoring with Open vSwitch
摘要：With network virtualization, the software switches (such as Open vSwitch) on the servers act like the edge switches. So, to gain insights into the net... 阅读全文
posted @ 2014-06-21 09:25 popsuper1982 阅读(820) 评论(0) 推荐(0) 编辑
[转]Configuring Open vSwitch
摘要：(image from Anatomy of an open source cloud)A cloud data center consists of large numbers of physical servers, each running a hypervisor with one or m... 阅读全文
posted @ 2014-06-21 09:24 popsuper1982 阅读(638) 评论(0) 推荐(0) 编辑
Openvswitch手册(2): OpenFlow Controller
摘要：我们这一节主要来看ControllerController有两种:Primary Controller: 真正控制vswitch的flow table，vswitch会保持和controller的连接，如果失败，取决于bridge的fail mode。一个vswitch可以连接多个Controll... 阅读全文
posted @ 2014-06-21 09:23 popsuper1982 阅读(3692) 评论(1) 推荐(0) 编辑
Openvswitch手册(1): 架构，SSL, Manager, Bridge
摘要：Openvswitch是一个virutal swtich， 支持Open Flow协议，当然也有一些硬件Switch也支持Open Flow协议，他们都可以被统一的Controller管理，从而实现物理机和虚拟机的网络联通。Open Switch定义了一系列Flow Table，通过它来控制包的流向... 阅读全文
posted @ 2014-06-21 09:22 popsuper1982 阅读(9134) 评论(2) 推荐(4) 编辑
[转]SSL on Open vSwitch and ovs controller
摘要：There are two places that SSL will need to be configured if SSL is to be used between the controller and the Open vSwtich. The instructions below assu... 阅读全文
posted @ 2014-06-21 09:19 popsuper1982 阅读(621) 评论(0) 推荐(0) 编辑
[转]Open vSwitch with SSL and Mininet
摘要：Open vSwitch with SSL and MininetBy default, Mininet uses the unencrypted port in Open vSwitch for OpenFlow. This makes total sense since the purpose ... 阅读全文
posted @ 2014-06-21 09:18 popsuper1982 阅读(410) 评论(0) 推荐(0) 编辑
[转]An overview of Openvswitch implementation
摘要：This is NOT a tutorial on how to use openvswitch, this is for developers who want to know the implementation details of openvswitch project, thus, I a... 阅读全文
posted @ 2014-06-21 09:14 popsuper1982 阅读(724) 评论(2) 推荐(0) 编辑
OpenFlow学习笔记
摘要：Software-Defined Networking Network intelligence is (logically) centralized in software-based SDN controllers network operators and administrators can programmatically configure this simplified ... 阅读全文
posted @ 2014-06-21 09:13 popsuper1982 阅读(2993) 评论(0) 推荐(1) 编辑

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