January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Content preview from 可编程网络自动化
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14
第 2 章
网络自动化
本章的重点在于描述基本的网络自动化概念，以便读者更好地了解后续各章的内容。
为此，本章包含了以下几部分内容。
为什么要实现网络自动化
介绍了采用自动化以及提高网络运维效率的各种原因，同时证明了自动化能完成的事情
远不止更快地分发网络设备配置。
网络自动化的类型
探究了从传统配置管理到自动化网络诊断和排错的各种自动化类型，再次证明了自动化
不仅仅是减少变更所花费的时间。
管理平面从 SNMP 向设备 API 的演变
简要介绍了过去和现在存在于网络设备中的一些不同的
API
类型。
SDN 时代的网络自动化
简要概述了为什么即便部署了
SDN
（尤其是基于控制器的架构）解决方案
，网络自动
化工具仍然具有价值。
本章并不打算深入技术细节，而是旨在介绍网络自动化的理念及概念。本章
内容仅用于打基础和为后续章节提供上下文环境。
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