# 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. *** 💡 **Explore Related:** [Servicemesh](./servicemesh.md) | [Kubernetes Networking](./kubernetes-networking.md) | [Networking](./networking.md)