# Bulkheads

> A Link caps how many of its caller’s slots one dependency may hold: a slow dependency sheds its own calls and leaves the rest serving.

## Prerequisites

Research these first: [Circuit breakers](https://wiki.playquorum.dev/research/circuit-breakers.md).

## Engineering terms

- [Bulkhead](https://wiki.playquorum.dev/glossary/bulkhead.md)
- [Circuit breaker](https://wiki.playquorum.dev/glossary/circuit-breaker.md)

## Facts

Bulkheads
- **Track:** Reliability
- **Era:** [Series A](https://wiki.playquorum.dev/eras/series-a.md)
- **Cost:** 1.31k 1.31k 2.63k
- **Requires:** [Circuit breakers](https://wiki.playquorum.dev/research/circuit-breakers.md)

## See also

- [Research tree](https://wiki.playquorum.dev/research.md)

Source: https://wiki.playquorum.dev/research/bulkheads