How deeply does API Design Patterns cover remote procedure call?

Defines invocation style and contrasts stateless and stateful fit without detailing transport or implementation internals.

Remote procedure call

As explained in API Design Patterns

A remote procedure call is a mechanism for invoking a procedure or method whose execution occurs on another computer or process.

A remote procedure call (RPC) invokes a preconfigured procedure or method on another computer or process. It frames an API around actions such as predictWeather(postalCode), encrypt(data), or sendEmail(to). section 1.3

RPC works especially well for stateless operations, where each request stands alone. It becomes a poorer fit for stateful operations that depend on earlier requests or previously stored data, making resource-oriented designs a useful alternative. section 1.3

Flight-booking API

An RPC-style interface might expose ScheduleFlight(), GetFlightDetails(), ShowAllBookings(), CancelReservation(), RescheduleFlight(), and UpgradeTrip(). Standard resource methods instead use names such as CreateFlightReservation(), GetFlightReservation(), ListFlightReservations(), DeleteFlightReservation(), and UpdateFlightReservation(). section 1.3

How API Design Patterns covers it

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Also explained in

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Server-Side WebAssemblyA remote procedure call is a communication mechanism that lets a program invoke a function or procedure on another system.
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Akka in Action, Second EditionA remote procedure call is a communication mechanism that invokes an operation in another process or system as though it were a local procedure.
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Elixir in Action, Third EditionA remote procedure call, or remote function call, is an invocation of an operation on another process or machine presented as though it were a local function call.
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Advanced Algorithms and Data StructuresA remote call is an invocation of an operation provided by a component running outside the caller's local process or machine.

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Related concepts

gRPCimplemented by · gRPC is an open-source remote procedure call framework for defining services and invoking them across process or network boundaries, commonly using Protocol Buffers and HTTP/2.
HTTPuses · HTTP is a standardized application-layer protocol that defines request-and-response messages for transferring resource representations between networked systems.
message passinguses · A technique in which computational entities exchange messages to communicate or propagate information, often coordinating work or updating state.
SQLincludes · SQL is a standardized declarative language for defining, querying, and manipulating data in relational database systems.

This explainer was generated by Manning's knowledge graph from the text of API Design Patterns. The section links point to the parts of the book it draws on.