https://www.coverfire.com/articles/queueing-in-the-linux-network-stack/ Queueing in the Linux Network Stack http://blog.jobbole.com/62917/ [A slightly shorter and edited version of this article appeared in the July 2013 issue of Linux Journal. Thanks…

一.协议栈 主要有两大网络协议栈,uIP和Rime这两大协议栈(network stack): The uIP TCP/IP stack, which provides us with IPv4 networking. The uIPv6 stack, which provides IPv6 networking. The Rime stack, which is a set of custom lightweight networking protocols designed for low-…

HTTP authentication As specified in RFC 2617, HTTP supports authentication using the WWW-Authenticate request headers and the Authorization response headers (and the Proxy-Authenticate and Proxy-Authorization headers for proxy authentication).   Supp…

HTTP Cache 目录 1 Operation 2 Sparse Entries 3 Truncated Entries 4 Byte-Range Requests 5 HttpCache::Transaction   Overview   The HTTP Cache is the module that receives HTTP(S) requests and decides when and how to fetch data from the Disk Cache or from…

Network Stack 目录 1 Overview 2 Code Layout 3 Anatomy of a Network Request (focused on HTTP) 3.1 URLRequest 3.2 URLRequestHttpJob 3.3 HttpNetworkTransaction 3.4 HttpStreamFactory 3.4.1 Proxy Resolution 3.4.2 Connection Management 3.4.3 Host Resolution…

CookieMonster   The CookieMonster is the class in Chromium which handles in-browser storage, management, retrieval, expiration, and eviction of cookies. It does not handle interaction with the user or cookie policy (i.e. which cookies are accepted an…

Disk Cache 目录 1 Overview 2 External Interface 3 Disk Structure 3.1 Cache Address 3.2 Index File Structure 3.3 Block File Structure 3.4 Cache Entry 3.5 The Big Picture 4 Implementation Notes 4.1 Lower Interface 4.2 Eviction 4.3 Buffering 4.4 Deleting…

最后一个实验了,代码在Github上. 这一个实验其实挺简单的,就是要实现网卡的e1000_transmit和e1000_recv函数.不过看以前的实验好像还要实现上层socket相关的代码,今年就只有网卡驱动了. 虽然实验文档里面给了一本400多页的网卡文档,但其实也不需要怎么读这本厚厚的文档,实验的hints里面就讲的挺清楚了. 实验 首先是e1000_transmit函数,按照hints一步步来就行了,唯一一个要查文档的就是cmd域,但其实这个域的宏定义里面就只给了E1000_TXD_CM…

原文地址:https://segmentfault.com/a/1190000004059167 介绍 在专业的网络世界中,经常使用到Virtual Routing and Forwarding(VRF),比如Cisco,Alcatel-Lucent, Juniper 等.对于L2 switch,自从上世纪90年代就开始使用VLAN,一个物理交换机上可以使用多个广播域,如今大多数交换机都支持4K vlan. 这个概念被引入到L3,如今很多网络设备支持VRF.这意味着,单个物理设备上可运行多个虚拟…

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…