Load Balancing & ADC Calculators
20 free load balancing & adc calculators in Networking.
- ADC API Gateway Throughput CalculatorSize an API gateway's request ceiling from per-request CPU cost, with uplifts for authentication, transformation and cache hits.
- ADC Health Score CalculatorScore an application delivery tier across availability, latency, errors, utilisation, SSL load and persistence, and name the weak spot.
- ADC Traffic Split CalculatorPlan a canary traffic split on the load balancer: canary load, capacity headroom, error-rate delta and whether to widen or roll back.
- API Rate Limit CalculatorTest a token-bucket rate limit against real client demand: rejected requests, burst drain time and the per-client allowance.
- Application Gateway CalculatorSize a cloud application gateway in capacity units from throughput, new connections and persistent connections, with a WAF uplift.
- CDN Edge Distribution CalculatorSplit CDN load across points of presence and check the origin request rate and egress that survives the cache hit ratio.
- Connection Pool CalculatorSize a database or upstream connection pool with Little's law, and see the queue wait a pool that is too small produces.
- HAProxy Capacity CalculatorFind whether HAProxy is limited by frontend maxconn or backend server maxconn, and how long sessions wait in the queue.
- HTTP/2 Stream CalculatorWork out HTTP/2 stream concurrency, connections needed and the worst-case flow-control window memory a proxy commits.
- HTTP/3 QUIC CalculatorCompare HTTP/3 over QUIC against TCP plus TLS: handshake round trips, congestion-window growth and total transfer time.
- Least Connections CalculatorModel how least-connections balancing shifts new requests away from slow servers, and the arrival rate each member ends up with.
- Load Balancer Capacity CalculatorSize a load balancer pair from connection arrival rate and hold time, and check the state table against the per-node limit.
- NGINX Capacity CalculatorDerive NGINX connection capacity from worker processes and worker_connections, and the proxy buffer memory it commits.
- Reverse Proxy Throughput CalculatorEstimate reverse-proxy throughput, worker CPU utilisation and maximum request rate, with the TLS termination penalty included.
- Round Robin Distribution CalculatorShow exactly how round-robin splits requests across a pool, including the remainder servers and the resulting per-server load.
- Session Persistence CalculatorSize the persistence table for sticky sessions: concurrent sessions, memory footprint and how long a node takes to drain.
- SSL Offload Capacity CalculatorSize SSL/TLS offload cores separately for asymmetric handshakes and symmetric bulk encryption, including session resumption.
- TLS Handshake Rate CalculatorCalculate sustainable TLS handshake rate from core count, key algorithm and resumption rate, plus the round trips setup costs.
- WebSocket Capacity CalculatorSize WebSocket fan-out: servers required, message rate, bandwidth and the memory each long-lived connection pins.
- Weighted Load Distribution CalculatorTurn pool member weights into request shares, per-pool request counts and the weighted round-robin cycle length.