# The relay, end to end

> Explain an event relay to a mixed engineering team.


A four-boundary system explanation for a mixed technical audience.

- Type: Architecture
- Direction: Warm technical schematic with directional paths.
- Passes: architecture-overview, simplify
- visualize release: 0.2.0
- Demonstration content: yes
- [Open the interactive local version](https://usevisualize.ai/showcase/relay-architecture)