AWS Well- Architected Framework AWS Well-Architected Framework AWS Well-Architected Framework AWS Well-Architected Framework AWS Well-Architected Framework: AWS Well-Architected Framework Copyright © Amazon Web Services, Inc. and/or its affiliates. All rights reserved. Amazon's trademarks and trade dress may not be used in connection with any product or service that is not Amazon's, in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Amazon. All other trademarks not owned by Amazon are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Amazon. AWS Well-Architected Framework AWS Well-Architected Framework Table of Contents Abstract and Introduction ................................................................................................................... 1 Abstract .................................................................................................................................... 1 Introduction .............................................................................................................................. 1 Definitions ......................................................................................................................... 2 On Architecture ................................................................................................................. 3 General Design Principles .................................................................................................... 4 The Five Pillars of the Framework ........................................................................................................ 5 Operational Excellence ................................................................................................................ 5 Design Principles ................................................................................................................ 5 Definition .......................................................................................................................... 6 Best Practices .................................................................................................................... 6 Resources ........................................................................................................................ 12 Security ................................................................................................................................... 12 Design Principles .............................................................................................................. 12 Definition ........................................................................................................................ 13 Best Practices .................................................................................................................. 13 Resources ........................................................................................................................ 18 Reliability ................................................................................................................................ 18 Design Principles .............................................................................................................. 19 Definition ........................................................................................................................ 19 Best Practices .................................................................................................................. 19 Resources ........................................................................................................................ 23 Performance Efficiency .............................................................................................................. 23 Design Principles .............................................................................................................. 24 Definition ........................................................................................................................ 24 Best Practices .................................................................................................................. 24 Resources ........................................................................................................................ 29 Cost Optimization .................................................................................................................... 29 Design Principles .............................................................................................................. 30 Definition ........................................................................................................................ 30 Best Practices .................................................................................................................. 31 Resources ........................................................................................................................ 34 The Review Process .......................................................................................................................... 36 Conclusion ....................................................................................................................................... 38 Contributors .................................................................................................................................... 39 Further Reading ............................................................................................................................... 40 Document Revisions .......................................................................................................................... 41 Appendix: Questions and Best Practices .............................................................................................. 43 Operational Excellence ............................................................................................................. 43 Organization ................................................................................................................... 43 Prepare .......................................................................................................................... 45 Operate ......................................................................................................................... 48 Evolve ............................................................................................................................ 50 Security ................................................................................................................................... 50 Security ........................................................................................................................... 51 Identity and Access Management ....................................................................................... 52 Detection ........................................................................................................................ 53 Infrastructure Protection ................................................................................................... 54 Data Protection ................................................................................................................ 55 Incident Response ............................................................................................................ 56 Reliability ................................................................................................................................ 57 Foundations ..................................................................................................................... 57 Workload Architecture ...................................................................................................... 58 Change Management ........................................................................................................ 60 iii AWS Well-Architected Framework AWS Well-Architected Framework Failure Management ......................................................................................................... 61 Performance Efficiency .............................................................................................................. 64 Selection ......................................................................................................................... 64 Review ............................................................................................................................ 67 Monitoring ....................................................................................................................... 67 Tradeoffs ......................................................................................................................... 68 Cost Optimization .................................................................................................................... 69 Practice Cloud Financial Management ................................................................................. 69 Expenditure and usage awareness ...................................................................................... 69 Cost-effective resources ..................................................................................................... 71 Manage demand and supply resources ................................................................................ 73 Optimize over time ..........................................................................................................