# Page Not Found

The URL `nats-concepts/core-nats/patterns` does not exist.

You might be looking for one of these pages:
- [Core NATS](https://docs.nats.io/nats-concepts/core-nats.md)
- [Publish-Subscribe](https://docs.nats.io/nats-concepts/core-nats/pubsub.md)
- [Request-Reply](https://docs.nats.io/nats-concepts/core-nats/reqreply.md)
- [Queue Groups](https://docs.nats.io/nats-concepts/core-nats/queue.md)
- [Compare NATS](https://docs.nats.io/nats-concepts/overview/compare-nats.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.nats.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.nats.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/nats-concepts/core-nats.md`)
- Use `Accept: text/markdown` header for content negotiation