Praktische Werkzeuge für System-, Netzwerk-, Sicherheits- und Betriebsadministratoren.

NET

Netzwerk-Schreibtisch

Adressierung, DNS, Ports und die stille Arithmetik der Pakete. Zuerst Rechner; Nachschlagewerke, die klein bleiben.

649–672 / 1037

TCP Window Scaling Calculator

Aktiv

TCP Window Scaling Calculator. Required window scale factor. The result stays on this page.

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TCP Throughput with Loss Calculator

Aktiv

TCP Throughput with Loss Calculator. Mathis formula throughput estimate. The result stays on this page.

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Serialization Delay Calculator

Aktiv

Serialization Delay Calculator. Delay to put a frame on the wire. The result stays on this page.

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Jitter Calculator

Aktiv

Jitter from a series of latency samples. The result stays on this page.

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WAN Bandwidth Planner

Aktiv

WAN Bandwidth Planner. Plan per-site WAN bandwidth. The result stays on this page.

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Goodput Calculator

Aktiv

Goodput Calculator. Application throughput after overhead. The result stays on this page.

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Token Bucket Calculator

Aktiv

Burst and rate behaviour of token bucket. The result stays on this page.

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MTBF/MTTR Calculator

Aktiv

MTBF/MTTR Calculator. Availability from MTBF and MTTR. The result stays on this page.

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Speed Test Result Interpreter

Aktiv

Speed Test Result Interpreter. Explain what speed test numbers mean. The result stays on this page.

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OTDR Event Explainer

Aktiv

OTDR Event Explainer. Explain OTDR trace events and values. The result stays on this page.

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DWDM ITU Grid Calculator

Aktiv

Channel, frequency and wavelength on ITU grid. The result stays on this page.

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CWDM Wavelength Reference

Aktiv

CWDM Wavelength Reference. CWDM channel wavelengths. The result stays on this page.

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25-Pair Color Code Reference

Aktiv

25-Pair Color Code Reference. Telecom 25-pair colour code. The result stays on this page.

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Cable Run Length Estimator

Aktiv

Cable Run Length Estimator. Estimate cable length for runs. The result stays on this page.

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Rack Elevation Builder

Aktiv

Rack Elevation Builder. Drag-and-drop rack elevation diagram. The result stays on this page.

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PDU Load Calculator

Aktiv

PDU Load Calculator. Per-phase PDU load balancing. The result stays on this page.

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Cooling Requirement Calculator

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Cooling Requirement Calculator. Cooling tonnage for a server room. The result stays on this page.

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PUE Calculator

Aktiv

PUE Calculator. Data centre power usage effectiveness. The result stays on this page.

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Breakout Cable Planner

Aktiv

Plan 40G/100G/400G breakout connections. The result stays on this page.

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Signal Propagation Speed Calculator

Aktiv

Propagation speed/velocity factor by medium. The result stays on this page.

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ACL Shadowed Rule Finder

Aktiv

Find redundant and shadowed ACL entries. The result stays on this page.

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Firewall Rule Optimizer

Aktiv

Find unused, duplicate and overly broad rules. The result stays on this page.

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Firewall Policy Diff

Aktiv

Firewall Policy Diff. Compare two firewall policies. The result stays on this page.

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OpenVPN Config Generator

Aktiv

Generate OpenVPN server/client configs. The result stays on this page.

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