# Client-server operation

The runtime service keeps configured pipelines alive for repeated, partial, or
remote execution. It uses the same `Pipeline`, `ProcessingData`, source/sink
registries, and runner contracts as local operation.

```{toctree}
:maxdepth: 1

architecture
installation-and-deployment
clients-and-sessions
operations
buffers-and-chunked-outputs
live-output-and-plots
custom-steps-and-io
security-and-runtime-policy
```