November 2022
Intermediate to advanced
276 pages
3h 51m
Chinese
Content preview from 流架构
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评估流的兴起
｜ 135
5.3.1
供应商惯性
为了理解厂商惰性的含义，请考虑亚马逊将亚马逊
Web
服务引入企业计算市
场时发生了什么。客户和供应商最初的反应都是怀疑。但对于客户而言，报
告的主要关注点是安全性：如何在共享公用事业中保护我的数据？对于供应
商而言，这对其销售数据中心技术和本地软件许可证的高利润商业模式构成
了威胁。
从
2008~2012
年左右，市场上发生了一次竞争，一方看到了数据中心容量和
核心软件服务（如数据库和消息总线）商品化的价值，另一方则对公共云持
怀疑态度。后者所提供的惯性可以说是导致企业采用公共云计算落后于初创
企业社区五年或更久的原因。
然而，在
2012
年左右之后发生了翻天覆地的变化。一些企业宣布自己在公
共云上开始“全力以赴”，并发誓要完全关闭自己的数据中心。还有例如
“
skunkworks
”团队，他们在云中推出了一个非常成功的应用程序，并证明
这些实用程序既高效又安全。还有一些人看到了云模型的价值，并在自己的
基础设施中投入巨资重新创造这种体验。
今天，我们看到公有云、私有云和虚拟化混合在一起主导着企业基础设施。
越来越多的公共云提供商正在提供服务，使企业能够在提供商或客户的数据
中心中选择上述三种模型中的任何一种。众所周知，对于任何给定的应用程
序系统，企业都可以从本地云、公共云或两者的混合中进行选择。我们在世
纪之交所看到的惯性，目前已在很大程度上被克服。
对于流，阻力可能来自那些将其事件处理生态系统视为竞争优势的人。令人
惊讶的是，我认为可能认为自己损失最大的供应商是
AWS
、
MicrosoftAzure ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.