Zero Trust Network Access (Global)
High-quality technical overview of Zero Trust Network Access for the 1000-node Milestone.
Algorithms: Round Robin, Weighted Least Connections, Random. Features: Health monitoring, Persistence (Sticky sessions), SSL offloading.
graph LR
Center["Zero Trust Network Access (Global)"]:::main
Rel_zero_trust_security["zero-trust-security"]:::related -.-> Center
click Rel_zero_trust_security "/terms/zero-trust-security"
Rel_zero_trust["zero-trust"]:::related -.-> Center
click Rel_zero_trust "/terms/zero-trust"
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🧒 Explique como se eu tivesse 5 anos
Imagine a big slide at a park. If everyone tries to go down the same slide at once, it's a mess. [Load balancing](/pt/terms/load-balancing) is like having 10 slides and a helper pointing kids to the slide that has the shortest line.
🤓 Expert Deep Dive
Technically, load balancing operates at different layers of the OSI model. L4 Balancing handles 'Raw' traffic (TCP/UDP) based on IP and port, while L7 Balancing is 'Application-aware' and can route traffic based on HTTP headers, cookies, or URL paths (useful for A/B testing or microservices). Standard algorithms include Round Robin (next in line), Least Connections (who is least busy), and IP Hash (keeping a specific user connected to the same server). Modern load balancers also perform 'Health Checks'—pinging servers to ensure they are alive before sending them traffic—and 'SSL Termination', where the balancer handles the encryption/decryption to save the backend servers from doing the heavy math.