Business Process Assurance and Test Automation in a

Business Process Assurance and Test Automation in a Service Oriented Architecture Alan Oatman

Introduction Results of a team, not one person All ideas, thoughts, and statements represent my own ideas, thoughts, and statements and do not necessarily reflect the position of Comcast Cable or the Comcast Media Center

Introduction “Business Process Assurance and Test Automation in a Service Oriented Architecture” ……. … How we Managed to Thrive in a Tough Situation

Introduction n Test Challenges n n Improve business savvy Reduce test cycle time and investment Be more responsive Maintain quality

Introduction n When you leave today n n n New perspective Relevant information Time well-invested

Introduction n Background n n n Aerospace – MIL-STD Aerospace – Research Lab Aerospace – Commercial STD Commercial Start Up

Introduction n n Where did the greatest level of user satisfaction occur? Why?

Situation n n Our model for progress Situation + Response = Outcome

Situation n Comcast Media Center n Cable industry service provider Programming, HITS Advanced Advertising User Generated Content Video On Demand (VOD) n Systems Development? n n

Situation n Legacy Systems and Approach n n Former Aerospace personnel High Availability and Reliability Waterfall Long periods between changes

Situation n Challenges n n Time to Market Development Cost Responsiveness Silo approach

Response n Adoption of n n n Collaborative development style Shared hardware resources Service Oriented Architecture BPA Validation method Test automation

Response n Service Oriented Architecture n n n Enterprise bus-centric Modularize functionality Re-use and re-factor

Response n What - Service Oriented Architecture n n n Loose Coupling Consistent interface Stateless Discoverable Shared

Response n Why – Service Oriented Architecture n n n Optimize re-use Improve system agility Simpler integration

Response n How – Service Oriented Architecture n SOA Mindset n n n Business process Disintegrate process Check ‘inventory’ Identify elements for re-use Define new, modified services & orchestration

Response n n SOA Manage Orders - Services n n n Create Order Update Order Check Inventory Cancel Order Ship Order An Orchestration defines services, sequence

Response n Integration Strategy n n Component System Multi-system Validation Strategy n Business Process Assurance

Response n Business Process Assurance n n n Business relevance in validation Describe business risk and capabilities Perspective on technical challenge Business Enabling vs Business Inhibiting

Response n Business Process Assurance n Features n n Test like it is Used Test what realizes revenue first; prioritize n n n “Regression” Domain Knowledge Business Need vs Perfection

Response n Business Process Assurance n Advantages n n Reduced situations to consider Plans and Results are business-centric Improved communication with downstream groups Easily combined with classic SWT methods n Boundary Value, Interface, etc.

Response n Legacy System Replacement n n Unicorns? Schedule Technology Business Environment n n Swapping engines mid-flight Impact on SI&T

Response n Legacy System Replacement n n n Domain Knowledge User perspective Back to the Basics Communication Viola!

Response n Survival n n Cost Thrive ? n n Can we find the core of success and replicate it? Can we make it faster and improve quality?

Response n Automation n Data Generation Services n Orchestrations ? n

Outcome n n n Time to Market Quality Morale Productivity Communication

Outcome n Challenges n Volatile processes n n Identifying critical Support for discovery Reliability Load and Stress

Outcome n Overcoming challenges n n Blended approaches Recall classic SWT methods Enhance domain knowledge Automate orchestrations

Summary n SOA, BPA, and Automation can be combined to radically alter the success in systems integration and validation to improve n n n Productivity Time to Market Communication When applied in appropriate situations

Closing n New perspective ? Relevant information ? Time well-invested ? n Be a Business Enabler n n

n Questions?

Additional Information BPA http: //www. stickyminds. com/Better. Software/magazine. asp search for BPA n SOA http: //en. wikipedia. org/wiki/Service-oriented_architecture http: //webservices. xml. com/pub/a/ws/2003/09/30/soa. html http: //www. service-architecture. com/ n Comcast Media Center http: //www. comcastmediacenter. com/ http: //www. denverpost. com/business/ci_7887013 - Article in Jan 6 th Business section n Greenhat Software http: //www. greenhatsoftware. com/ n