DNS & Network Services Calculators
17 free dns & network services calculators in Networking.
- Active Directory Replication CalculatorEstimate AD replication traffic per cycle, site link utilisation and end-to-end convergence time.
- DHCP Lease CalculatorWork out DHCP T1 and T2 renewal timers and the renewal load a client population puts on the server.
- DHCP Pool Capacity CalculatorCheck whether a DHCP pool has enough addresses once lease overhang and growth headroom are included.
- DNS Cache CalculatorSize a resolver cache and predict its hit ratio from query rate, unique names and record TTL.
- DNS Query Rate CalculatorTurn user population into average and peak DNS query rates and the number of resolvers required.
- DNS Zone Size CalculatorEstimate zone file size, server memory and zone transfer time from your record counts and DNSSEC state.
- Infrastructure Services Health Score CalculatorScore DNS, DHCP, NTP, AAA and syslog health into one weighted grade and flag the weakest service.
- IPFIX Storage CalculatorSize IPFIX collector storage from template field counts, flow rate, retention and compression.
- LDAP Query CalculatorSize LDAP directory load: query rate, cache offload, result bandwidth and per-connection query rate.
- mDNS CalculatorEstimate multicast DNS packet rate, bandwidth and wireless airtime cost for a device population.
- NetFlow Storage CalculatorSize NetFlow collector storage and export bandwidth from flow rate, sampling and retention.
- NTP Drift CalculatorConvert clock drift in ppm into error per poll interval, per day and across a holdover window.
- RADIUS Capacity CalculatorSize RADIUS servers from authentication rate, interim accounting load and peak-to-average factor.
- Service Discovery CalculatorSize a service registry: heartbeat rate, watch notification fan-out and registry memory footprint.
- SNMP Polling CalculatorSize SNMP polling load: varbinds per second, PDUs per cycle, bandwidth and daily data points.
- Syslog Growth CalculatorProject syslog volume and retained storage from device count, message rate, size and compression.
- TACACS+ Session CalculatorEstimate TACACS+ request volume from device count, admin sessions and per-command authorisation.