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OpenShift-3-Technical-Architecture
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更新于2023-03-16
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OpenShift-3-Technical-Architecture,红帽的OpenShift平台,基于Kubernetes哦
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OpenShift 3 Technical Architecture
Clayton Coleman, Dan McPherson
Lead Engineers

Principles
The future of *aaS

Redefine the “Application”
● Networked components wired together
○ Not just a “web frontend” anymore
○ Service-oriented-Architectures / microservices are real
○ Make it easy to build, manage, deploy components
○ HTTP frontends are just one type of component
● Critical: relationships between components
○ If you can’t abstract the connection between components you
can’t evolve them independently

Immutable images as building blocks
● Image based deployment (Docker)
○ Create once, test everywhere
○ Build a single artifact containing the dependency chain
○ Need tools to manage the build process and security updates
● Declarative application descriptions
○ Record “intent” - this links to this, this should be deployed like
this, and let system converge to that intent

Decouple Dev and Ops
● Reduce complexity of application topology
○ Less need for complicated post-deploy setup
● Allow teams to share common stacks
○ Better migration from dev stacks to production stacks
○ Reduce vendor lock-in
● Ops and Devs can use same tools
○ OpenShift is an app, so are most organizational tools
○ Ensure patterns work cleanly for both
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