Agility and SOA - Experiences with System Landscapes under Maintenance
The world is growing together and more and more we have the task to realize business processes distributed over multiple teams, companies, locations, and domains. For example, mobile phone companies these day exchange data with banks and insurances, logistics companies (to ship mobile phones), phone vendors, airlines (to offer business customers both special rates and lounge access), and so on. But, of course, we still have to be agile. We have to deliver new or modified distributed business processes as soon as possible with the best quality we can provide.
SOA is an approach that tries to deal with this requirement. And it has a pretty similar meta story behind. In essence, it is a value systems that takes the next revolutionary step for appropriate software development of large systems. Just like agility changes a lot by accepting that requirements change, SOA changes a lot by accepting that systems and solutions are heterogeneous. The problem is, however, that due to the size of the systems the common practices have to change to keep the agile value system alive.
In this talk I will present and discuss my experiences and lessons learned by trying to apply agile principles while maintaining large system landscapes with plenty of systems and hundreds or even thousands of developers.
Topics will include:
- Where do traditional agile practices not scale?
- Why are systems under maintenance different?
- How to refactor distributed systems?
- What kind of organizational structure and culture is necessary and appropriate for distributed development?
- How to deal with distributed system tests?
The value of this talk will be to get a consolidated first class experience report about the problems and possible solutions to be agile in our modern world of continuous development and modification of system landscapes that are getting larger and larger.
mainly lecture based but presented in a way that I tell interesting stories and lessons learned instead of dry and boring power point marketing slides
Please note: As in this conference all session proposals are open to the public, I have to write that this proposal falls under copyright 2008 of Nicolai Josuttis, IT-communication.com. You are not allowed to use this proposal and parts of it in any way without getting explicit permission.
Please if you have significant feedback or even have something where you need a reaction by me, please send me an email to: solutions@josuttis.de. I won’t be able to track reviews.