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Derek Comartin

Agile and Beyond 2013

Jim Benson (@ourfounder), author of Personal Kanban, was the keynote speaker at this years Agile and Beyond conference.  Overall, I had a great time again this year and found the sessions I attended to be very insightful and reaffirmed some of my opinions. One little thought I wanted to share was from Jim Benson’s keynote: Velocity is the single most useless number invented by human beings. Effort points are estimates.  Guesswork.  The velocity metric is a calculation of that guesswork. We took something as inherently variable as an estimate and we gave it an integer value. I thought this was pretty… Read More »Agile and Beyond 2013

Service Bus for Windows Server

Move over MSMQ, Service Bus for Windows Server was recently released.  Apparently it has been for awhile now (Oct 2012 release).  I’m just late to the party I guess. Service Bus 1.0 was designed to allow for enterprise messaging capabilities in a Windows Server-based environment.  It enables you to build, test, and run loosely-coupled, message-driven applications in self-managed environments and on developer computers.  The two primary features are Service Bus Queues and Service Bus Topics and Subscriptions. Service Bus Queues offer reliable message storage and retrieval with a choice of protocols and APIs. Use Service Bus queue in your application to provide load leveling by having the… Read More »Service Bus for Windows Server

Event Sourcing: Eric Evans Interviews Greg Young

I follow Eric Evans (@ericevans0) and Greg Young (@gregyoung) on twitter.  I really respect their opinion and knowledge. Eric tweeted about an interview he did with Greg over 5 years ago about Event Sourcing.  It’s great to hear Greg describe how Event Sourcing fits with DDD concepts.  This is video is one of the first Event Sourcing + DDD talks that I’m aware of.   I highly recommend checking  it out. http://www.infoq.com/interviews/Architecture-Eric-Evans-Interviews-Greg-Young If you are new to Event Sourcing, here is a snippet from Martin Fowler article. Capture all changes to an application state as a sequence of events. We can… Read More »Event Sourcing: Eric Evans Interviews Greg Young