The CAP Theorem and its Implications
In 2000, Eric Brewer proposed the CAP Conjecture. It was proven in 2002 by a group at MIT, and is henceforth known as the CAP Theorem.
The CAP Theorem states that any subsystem can have only two of these three attributes:
- Consistency
- Accessibility
- Partitioning
Consistency is the property that two users see the same state. Accessibility means that users can get to their data. Partitioning places subsets of data in different locations.
If you can have only two, which two do you choose? Everyone agrees on accessibility. Traditional architectures have chosen consistency over partitioning. New architectures are reversing that trend. We will discuss architectural decisions, such as:
- Eventual Consistency
- Event Sourcing
- Command Query Responsibility Segregation
I will demonstrate ways of coding these architectures, and the benefits and drawbacks of these techniques.
| Speaker: | Michael Perry | |
| Date: | Wednesday July 7th, 2010 | |
| Time: | 6:00 - 8:30 | |
| Location: | Intuit Headquarters Maps: Google | Yahoo | Mapquest | Microsoft |
RSVP Here
Speaker Bio
Throughout his career, Michael has applied mathematical concepts to the construction of software. As a Solutions Architect at AmerisourceBergen, he applies the concepts of eventual consistency, event sourcing, and CQRS to building scalable and robust enterprise systems. He has written about the mathematical underpinnings of various algorithms in C/C++ Users Journal, Delphi Informant, and Code Magazine. Craig Shoemaker interviewed him on the Polymorphic Podcast about Update Controls, an open source project based on the mathematical concept of dependency. You can find out more at qedcode.com.
Make sure to attend, because in addition to our awesome presenter, we have some way cool giveaways.
Sponsors
NorthDallas.net graciously thanks Intuit for their continued sponsorship
and support. Without their fine meeting facilities awesome team members, our meetings would not be possible.
For more information, please visit: http://www.intuit.com/
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