kffl/speedbump

Health v2 · maintenance only

Adoption not part of the score

1559 stars · 36 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Speedbump is a TCP proxy written in Go that simulates variable, predictable network latency using configurable sine and sawtooth wave summands. It ships as pre-built binaries and a Docker image, making it easy to inject realistic latency into local or test environments.

Use cases

• simulate network latency for a TCP service during load testing
• test how an application behaves under fluctuating connection delays
• add predictable latency between a client and a database or API in integration tests
• emulate degraded network conditions locally with sine or sawtooth latency patterns
• run a latency-injecting TCP proxy in a Docker container for chaos engineering

When to choose

• you need TCP-level latency injection with deterministic, wave-shaped delay patterns
• you want a lightweight, single-binary or containerized proxy for testing
• you are doing load or chaos testing and need reproducible network conditions

When to avoid

• you need HTTP-aware proxying, request modification, or TLS termination
• you need to simulate packet loss, jitter, or bandwidth throttling rather than latency
• you need production traffic proxying rather than a testing tool

Facets

cli-tool · maturity active

proxy load-testing networking developer-tools cli developer-tools networking testing performance windows go cli tcp-proxy latency-simulation chaos-testing network-emulation golang command-line linux macos docker

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For agents

markdown · JSON · MCP: product_card(name="kffl/speedbump")