Total-Order Broadcast

Kind: mechanism

Layer: Causality Core

Record: architecture:total-order-broadcast

Severity: contextual

Scope: event, distributed state, ordering

Canonical: Ontology

A mechanism that delivers every message to every node in the same order, agreed by consensus.

Listed in Architecture principles, after CRDTs and before CAP Theorem.

Requires

• Consensus

Reinforces

• Event Ordering
• Consistency

Enables

• Identical Delivery Order Across Nodes

Conflicts with

• Per-Node Independent Ordering

In tension with

• Latency

Tensions

• Total-Order Broadcast / Latency

Violated by

• Per-Node Independent Ordering

Severity

• contextual

Category

• Causality / Ordering / Distributed Time

Linked from

• Causality / Ordering / Distributed Time
• Control / Coordination / Centralization
• Scalability / Performance / Optimization
• Transactions / State / Concurrency
• Causality / Ordering / Distributed Time
• Severity levels
• The resolutions