developer incorporates open source frameworks, uses standardized design patterns, and orchestrates services that are already available.  There are “cookbooks” available with templates for deploying systems adapt the system over time as the business changes versus buying an undefined stream of future services from a vendor who doesn’t know your business and doesn’t have financial incentives to supportyou book is meant to be, really. About the Author Mark Schwartz is an Enterprise Strategist at Amazon Web Services and the author of The Art of Business Value and A Seat at the Table: IT Leadership in the

book is meant to be, really. About the Author Mark Schwartz is an Enterprise Strategist at Amazon Web Services and the author of The Art of Business Value and A Seat at the Table: IT Leadership in the

requires some sort of management.About the Author Mark Schwartz is an Enterprise Strategist at Amazon Web Services and the author of The Art of Business Value and A Seat at the Table: IT Leadership in the

available throughout the organization.” They are self-healing ii. Netflix – April 21, 2011; entire Amazon AWS US-EAST availability zone went down; Netflix was unaffected. Since 2008 they were building and defining failure modes and then testing to ensure they operate as expected iv. Great Amazon Reboot of 2014 – 10% of Amazon EC2 servers had to reboot for Xen emergency security patch. At Netflix, zero downtime responsible for unsupported platforms ii. Systematically review production infrastructure and services for items that are causing disproportionate amounts of failure and unplanned work; plan for elimination

TO START 47 7. Ch. 5 Selecting Which Value Stream to Start With 51 a. GREENFIELD vs BROWNFIELD SERVICES i. DevOps is not just for Greenfield ii. Important Predictor – Is the application architected TECHNICAL DEBT i. Don’t just make the interest payments, pay down the principle ii. If not managed, services become so fragile, delivery grinds to a halt g. INCREASE THE VISIBILITY OF WORK i. Keep the current independently, quickly delivering value ii. Aligned with full life-cycle of the application iii. Used by Amazon and Netflix e. MAKING FUNCTIONAL ORIENTATION WORK i. Requires everyone in the value stream views

this work? (Theory) Flow: The Psychology of Optimal Experience by Mihaly Csikszentmihalyi [3] From Amazon.com Psychologist Mihaly Csikszentmihalyi's famous investigations of "optimal experience" have revealed present#slide=id.i0 [3] Flow: The Psychology of Optimal Experience, Mihaly Csikszentmihalyi, http://www.amazon.com/Flow-Psychology-Experience-Mihaly-Csikszentmihalyi/dp/0061339202/Walkthrough To Do Today Underestimated

been properly coordinated with and agreed to by proper stakeholders. Attributions [1] Amazon, http://www.amazon.com/Phoenix-Project-DevOps-Helping-Business/dp/0988262509/[2] The Three Ways: The Principles

scope and/or Capability Drop (CD) documents for smaller items such as applications (see Figure 13). Services and requirements oversight organizations have the flexibility to identify alternative names for with enterprise platforms, IT programs will deliver capabilities via a series of applications or web services. IT systems must therefore be designed, developed, and maintained in concert with enterprise requirements managed and tracked in the product backlog. For example, the contract requirements for a services contract may refer to the expertise required for the development team (e.g., 6 full-time-equivalent

ability to learn from mistakes and diminish integrating that learning into future work d. Google Web Server (GWS) team was struggling with changes – Hard line: no changes would be accepted into GWS without introduced iv. Integration tests – ensure correct interaction with other production applications and services g. CATCH ERRORS AS EARLY IN OUR AUTOMATED TESTING AS POSSIBLE i. A test suite’s goal is to find to production in development) 2. Smoke testing our deployments – test connections to supporting services and systems, run sample data/transaction tests, fail deployment if needed 3. Ensure we maintain

ormance-best-practices-together-for-a-spa  "We have created the web in our own image, and it is obese"  Modern web hourglass, web tier is now thin, smarts moved to browser Metrics, metrics everywhere moving, from the first year of USDS Mikey Dickerson (Federal Government | United States Digital Services Team)  The more simple, the better off you are  Agile is tactic not religious credo  You have than any other metric  Web Performance: 2 seconds is the magic number Whom did I meet?Attributions and References [1] Speaker Slides and Videos: http://velocityconf.com/devops-web-performance-2015/pub