In this talk, we’ll go into excruciating technical detail about building a greenfield, massively scalable cloud service. As many of us are assembling open source and SaaS components to power our next generation applications, it seems as easy as choosing the leaders in each space and just gluing them together using APIs. This sentiment couldn’t possibly be more wrong. Along the path to constructing a scalable cloud service, there are many options and critical decisions to take.