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Agile Architecture. Odessa Johannes Brodwall, Chief scientist Exilesoft Global. What is an architect? From greek Arkhi-Tecton Tecton : Builder Arkhi : Chief. Like “Arch angel” Or “Arch nemesis”. What is an architect? “Chief builder”. What is an architect? (Exilesoft definition).
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Agile Architecture Odessa Johannes Brodwall, Chief scientist Exilesoft Global
What is an architect? From greekArkhi-Tecton Tecton: Builder Arkhi: Chief. Like “Arch angel” Or “Arch nemesis”
What is an architect? “Chief builder”
What is an architect? (Exilesoft definition)
A solution architect is someone who understands the problem of the customer and uncoversand communicates a feasible solution
A solution architect is someone who understands the customer’s problem (including contraints, context, domain knowledge) and uncovers (though a team effort) and communicates (with credibility) a feasible solution (primarily, but not exclusively technical)
Uncover problemvision, stakeholders, usage flow Describe problemcontext and domain model Describe solutiondeployment, implementation model Simplify architecturefeature oriented structure Deliver softwarerainbow plans
Describing architecture Simplifying architecture Delivering architecture Delivering software • Delivering architecture
Understanding problem Uncovering solution Communicating architecture
For some stakeholder Who has a goal The Odessa agile user group (?) Is a type of activity Which gives a capability. Unlike most relevant alternative This has a distinguishing attribute.
For __________________ Who ________________ The Odessa agile user group (?) Is a _________________ Which ________________. Unlike ______________________ This _______________________.
Example «Smidig» conference application
For Agile practitioners Who need to expand on their experience and network TheSmidig conference Is a networking event Which connects you with other Agile practitioners. Unlike traditional conferences Thispresents the experience of many people through lightning talks.
For Conference organizers Who want to organize a good conference TheSmidig conference app Is a web application Which eliminates unnecessary work. Unlike commercial conference apps Thisis optimized for the large number of talks we have and allows us to make changes fast.
Organizer Attendee Description Volunteer Works in evenings Has network Description Experienced New speaker Passionate Description Knows about agile Works in project Norwegian Speaker Duties Select talks Follow up payments Duties Register talk Upload slide Give talk Duties Pay for conference Get approval to go Values Easy selection process Good information overview Never lose a participant Financial transparency Values Constructive feedback on talk Easy CfP Fast answer Values Easy registration
Sponsor Description Busy Manager Not very interested Duties Provide logo Pay sponsorship Values Informal communication Easy evaluation
Attendance • Agile project practitioner wants to learn • Attendee goes to Smidig website • Attendee registers • Attendee pays • Attendee receives confirmation mail • Organizer can see the registration • Organizer sends reminder email to attendee to come • Organizer prints badges for attendees • Attendee shows up at Smidig and has an excellent time
Speaker • Agile experts wants to share knowledge • Potential speaker goes to Smidig website • Potential speaker registers personal info • Potential speaker registers talk • Potential speaker receives registration confirmation email • Organizer sees registered talk and can market speaking opportunities • Organizer accepts talk for confence • Speaker receives acceptance email • Alternative: Speaker withdraws talk – organizer updates the talk and selects another • Organizer prints badges for speakers • Speaker shows up at Smidig and gives talk
Paypal Smidig2011.no Printing company Participant Speaker Organizer
User • Name • Email • Company • Phone • Password • Accepts email? • Registration • Ticket type • Price • Paid amount • Paypal ref • Payment date • Invoice address [optional] * * • Comment • Title • Text • Created date Speaker * * • Talk • Title • Description • Tags[] • Slide file • Status : {pending, accept, reject} • Email_sent • Position • Period • Stage • Title • Time of day • Day
html/http Heroku git push git pull git push Smidig-conference (Rails) Paypal http github git.heroku smtp Web user Developer Smtp.dreamhost.com PostgreSQL smidigdb
Paypal.com Browser Smidig2012.no 1. POST /users Save user info 2. Redirect to paypal with return_url and notify_url 3. Perform payment 4. POST /payment_notifications Update user info 5. Redirect to return_url 5. GET /user/<id> Show user info
Vision Stakeholders Usage flow Context Domain model Implementation Deployment
Lasagna architecture Feature oriented architecture Deployment constraints