The metaparticle project which aims to encapsulate common patterns of use in kubernetes. See link 
Transported image. source
Metapartical has examples of sharding expressed in various languages. Looking at the diagram, I wonder why not skip all that sharding machinery and simply expose the shards directly to specialized audiences. link
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Address busses works well and are at the heart of both processor and memory design on a variety of scales. Address busses make computers a logical machine for when they are properly clocked we can reason knowing all elements have been considered. But this pattern is rare or nonexistent in nature. Let's understand why.
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Also see language idiomatic cloud