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JSON-RPC

A lightweight transport-independent remote-procedure-call protocol encoding requests, responses, errors, identifiers, notifications and batches as JSON objects.

Version
v1 · 2026-09-08 · History
Domain-specific #
5158
Origin domain
distributed systems
Subdomain
application protocols

Core Idea

JSON-RPC specifies how a peer invokes named remote methods and correlates JSON-encoded responses without defining the transport, authentication or application methods themselves. A request carries version, method, parameters and optional id; the server returns a matching result or structured error, while omission of id denotes a notification with no response. The abstraction is therefore identified by a declared carrier, a transformation or constraint over that carrier, and an invariant that tells an analyst whether the named structure is genuinely present.

Scope of Application

JSON-RPC belongs to distributed systems and is useful where the analyst can specify a client and server, JSON messages, method names and parameters, request identifiers, results or error objects, notifications, batches, and an underlying transport, then evaluate messages satisfy the selected JSON-RPC version's object shapes and response identifiers correlate exactly with nonnotification requests. The scope is broad within that domain but bounded by the need for messages satisfy the selected JSON-RPC version's object shapes and response identifiers correlate exactly with nonnotification requests. The entry records a descriptive analytical identity; practical use requires the governing domain's evidence, standards, and safety obligations.

Clarity

The abstraction clarifies a crowded vocabulary by making messages satisfy the selected JSON-RPC version's object shapes and response identifiers correlate exactly with nonnotification requests the center of the account. A claim should name the carrier, the governing operation or relation, the applicable assumptions, and the recognition test. A bare label is insufficient because the name JSON-RPC can be used for a formal identity, an implementation, or a neighboring result unless carrier and convention are stated.

Manages Complexity

Without the abstraction, an analyst must reason directly over many local details: the carrier roles, admissibility assumptions, competing conventions, derived invariants, boundary cases, and proof or validation obligations specific to JSON-RPC. JSON-RPC compresses them into the roles in the structural signature. That compression permits comparison across instances without erasing the variables that determine validity. It also exposes which details may be varied safely and which are constitutive.

Abstract Reasoning

  1. Identify the carrier. State what the elements, states, objects, or observations are: a client and server, JSON messages, method names and parameters, request identifiers, results or error objects, notifications, batches, and an underlying transport. Reject examples whose alleged carrier belongs to a different problem. 2. Lock the constitutive rule. Express messages satisfy the selected JSON-RPC version's object shapes and response identifiers correlate exactly with nonnotification requests independently of one notation or implementation.

Knowledge Transfer

Knowledge transfers strongly among subfields of distributed systems because they reuse a client and server, JSON messages, method names and parameters, request identifiers, results or error objects, notifications, batches, and an underlying transport, A request carries version, method, parameters and optional id; the server returns a matching result or structured error, while omission of id denotes a notification with no response., and type the carrier, state every parameter and convention in the definition, test that messages satisfy the selected JSON-RPC version's object shapes and response identifiers correlate exactly with nonnotification requests, compare the nearest accepted identity, and report counterexamples, uncertainty, and limiting cases.

Relationships to Other Abstractions

Local relationship map for JSON-RPCParents appear above the current abstraction, mutual partners to the right, and children below. Node labels state whether each abstraction is prime or domain-specific; colors identify relation types.JSON-RPCDOMAINPrime abstraction: Interface — is a kind ofInterfacePRIME

Current abstraction JSON-RPC Domain-specific

Parents (1) — more general patterns this builds on

  • JSON-RPC is a kind of Interface Prime

    The proposed strict upward parent is prime:interface.

Hierarchy path (1) — routes to 1 parentless root

Neighborhood in Abstraction Space

JSON-RPC sits in a moderately populated region (57th percentile for distinctiveness): it has near-neighbors but no dense thicket of look-alikes.

Family — Messaging Protocols & Networked Services (23 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-09-08