Placing things that change into a domain

- [Instructor] Let's talk about something else…that's important around cloud architecture.…And that's placing volatility into a domain.…Let's talk about that.…As much as you can you need to place things…that change often into a configurable domain.…And what that means is where we use to change code…and change databases each and every time we had…to make some sort of change to a software system.…What we want to do is abstract those changes out…into a domain where we can reconfigure…and configure that domain over and over again…to meet the needs of the business.…

And by doing this it allows us to be more agile,…it allows us to reuse things, it allows us not necessarily…to stop processing in operations…while we make very minor changes…to these various systems.…So there's a huge benefit of doing this.…The idea in the case of applications, in the case…of service oriented applications we may have a repository…of services and those could be regular services…or those could be micro services and we're able…to discover those services, link to those services…