Exchange 2013 architecture

Given the development of different features over the past 10 years and the growing influence of The Service, these factors coalesced into the Exchange 2013 architecture. Briefly, the architecture used in Exchange 2013 can be distilled into four guiding principles:

  • Decouple version dependencies.

  • Communicate at the protocol layer of the network stack.

  • Concentrate functionality into the mailbox role.

  • Create building blocks for deployment.

Microsoft wanted to break the close coupling between server roles that exists in previous releases to enable different components to be upgraded in the future without creating the need to upgrade everything. Sometimes, the situation is referred to as a “tight versioning alignment,” meaning ...

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