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O'Reilly Platform
book
可编程网络自动化
by
Jason Edelman
,
Scott S. Lowe
,
Matt Oswalt
January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Posts & Telecom Press
Content preview from
可编程网络自动化
394
|
第
11
章
器,但不会一砖一瓦地从头建造。东西还是得购买的——它们只是为了更进一步深入技术
栈。相比之下,它们可能认为完全可以接受
Cisco
所提供的企业无线连接通用解决方案。
这里的重点在于每个人都得自行决定。你也许不具备
Facebook
或谷歌那样的规模,就算构
建自己的服务器也得不到它们那样的收益,不过还是很有可能从中获得比传统方式更多的
好处。
企业
IT
遵循的一条不错的经验法则是
,你可以买到所需功能的
80%
。厂商不可能满足每
个企业(尽管会尝试),所以它们必须将其工程范围分布在整个客户群中,并推出足以满
足眼前需求的产品。这意味着,以这种方式获得的技术栈会有大约
20%
的特例没法解决
。
传统上,企业
IT
只能全盘接受——但他们其实不必如此。
甚至用基本的脚本就可以帮助填补剩下那
20%
的功能空白
。例如,你可能有一个无线控
制器,但它不能按你想要的方式生成报表。用不着等上数月
/
数年的时间
,指望厂商更新
产品
UI
(这事可能永远不会发生)
,不妨研究一下控制器是否带有
API
。也许可以编写
Python
脚本来检索相关数据并使用图形库生成一些漂亮的图像
。注意,这并不意味着你必
须是软件开发人员——只要比较熟悉编写脚本就行了,这样你就有了选择权,不必苦苦等
待厂商响应你的功能请求。
“构建与购买”模式的每一方往往都有自己的特征(参见图
1
1-1
)。在某个领域中选择现成
的商业解决方案的组织倾向于依靠外部资源来提供支持,而内部构建的技术栈则倾向于将
支持模型也保持在内部,着重依赖于提高在该领域中的自给自足的专业能力。
构建 ...
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Publisher Resources
ISBN: 9787115606181