Distributed Systems Are Fundamentally Different

Problems always arise with integration when developers who are unfamiliar with the principles of distributed systems gloss over its inherent complexity. This can be especially true when using RPC, because those inexperienced with distribution commonly imagine that any one remote call is as good as an in-process call. Such assumptions can cause cascading failure across any number of systems when just one system or one of its components becomes unavailable, even temporarily so. Thus, all developers working within distributed systems will succeed or fail by the following Principles of Distributed Computing:

• The network is not reliable.

• There is always some latency, and maybe a lot.

• Bandwidth ...

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