# Caching
!!! info "Architectural Context"
Detailed reference for Caching in the context of Networking & Service Mesh.
## Data Engineering
### In-Memory Databases
#### Caching (1)
- **(2026)** [==Redis==](http://redis.io) [DOCUMENTATION] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — The definitive open-source, in-memory data store used as a database, cache, message broker, and streaming engine. Offers unmatched low-latency read-write cycles and versatile data structures. Highly valued for real-time applications requiring low overhead.
## Networking
### Load Balancing
#### HAProxy
- **(2026)** [==haproxy.org==](http://www.haproxy.org) [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — The official site for HAProxy, the high-performance TCP/HTTP load balancer. Renowned for its extreme efficiency and microsecond-level latency control, HAProxy is an industry standard for routing massive amounts of concurrent web traffic.
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💡 **Explore Related:** [Servicemesh](./servicemesh.md) | [Kubernetes Networking](./kubernetes-networking.md) | [Networking](./networking.md)