[metalspot]

service oriented architecture is a disaster even in large companies. without a monolithic database and normalized schemas you always end up with a bespoke ad-hoc never-consistent data store. data and results are unverifiable and continually incorrect and the performance is abysmal.

a really large company can waste hundreds of millions of dollars papering over the inherent deficiencies of the architecture but it is an exercise in building additional stories on a house where the ground floor is made out of cardboard that happens to be on fire. soa was created purely for business organization needs. any technical justifications are post hoc rationalization. from a technical perspective it is pure trash.

a much better architecture is to keep services but have them all built on top of a single monolithic db. at scale the monolithic db can be a facade and then you disaggregate the database into horizontally scalable services so that you can scale your monolithic db facade to whatever you need.