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章淼 / 电子工业出版社 / 2021-07 / 其他
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上书时间2024-05-13
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万亿级流量转发:BFE核心技术与实现
本书围绕BFE 开源项目,介绍网络前端接入和网络负载均衡的相关技术原理,说明BFE开源软件的设计思想和实现机制,讲解如何基于BFE开源软件搭建网络接入平台。本书共17 章,分为四个部分。部分为原理篇,介绍BFE 开源项目的概貌,并对网络前端接入技术和网络负载均衡技术做简要介绍;第二部分为设计篇,介绍BFE 开源项目的设计细节,包括BFE 的设计思想、BFE 的转发模型、BFE 的关键机制和HTTPS 的优化等;第三部分为操作篇,说明如何安装和部署BFE、如何在各种使用场景下配置BFE;第四部分为实现篇,从处理流程、插件机制、协议实现等方面说明BFE的实现机制。
章淼,百度智能云智能负载均衡架构师、百度代码规范委员会主席(兼)
原 理 篇 第1 章 BFE 简介·····························································································3 1.1 什么是BFE·························································································3 1.2 BFE平台介绍·····················································································4 1.2.1 为什么需要构建BFE 平台·····················································4 1.2.2 BFE平台的主要功能·····························································6 1.3 BFE开源项目介绍·············································································7 1.3.1 BFE平台的模块组成·····························································7 1.3.2 BFE开源项目中的内容··························································9 第2 章 网络前端接入技术简介·····································································10 2.1 什么是网络前端接入········································································10 2.2 网络前端接入面临的挑战································································11 2.3 百度的网络前端接入方案································································13 2.4 网络前端接入技术的发展趋势························································15 第3 章 网络负载均衡技术简介·····································································24 3.1 负载均衡的概念···············································································24 3.2 网络负载均衡功能的实现································································25 深入理解BFE ·VI· 3.2.1 机制说明···············································································25 3.2.2 两种方式对比········································································27 3.3 四层负载均衡和七层负载均衡························································28 设 计 篇 第4 章 BFE 的设计思想················································································33 4.1 BFE转发引擎重构的缘起································································33 4.2 BFE为什么要基于Go 语言·····························································34 4.3 BFE转发引擎的主要设计思想························································37 4.4 BFE和相关开源项目的对比····························································38 第5 章 BFE 的转发模型················································································42 5.1 转发模型概述···················································································42 5.1.1 基本概念···············································································42 5.1.2 转发过程···············································································43 5.1.3 对多租户实现机制的讨论····················································46 5.2 BFE的路由转发机制·······································································47 5.3 条件表达式·······················································································49 5.3.1 设计思想···············································································49 5.3.2 基本概念···············································································50 5.3.3 语法介绍···············································································51 5.3.4 条件原语匹配的内容····························································52 5.3.5 条件原语名称的规范····························································54 5.4 内网流量调度机制············································································55 5.4.1 内网流量调度背景介绍························································55 5.4.2 内网流量调度工作机制························································60 目 录 ·VII· 5.4.3 内网转发的其他机制····························································65 第6 章 与转发相关的关键机制·····································································68 6.1 健康检查机制···················································································68 6.1.1 健康检查的原理····································································69 6.1.2 主动健康检查和被动健康检查············································69 6.1.3 分布式健康检查和集中式健康检查····································73 6.1.4 BFE的健康检查···································································77 6.2 超时设置···························································································77 6.2.1 BFE和客户端间通信的超时·····································
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开播时间:09月02日 10:30