Agent skill

network-simulation

Skill for network condition simulation, emulation, and chaos engineering

Stars 514
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/network-programming/skills/network-simulation

SKILL.md

Network Simulation Skill

Expert skill for network condition simulation, emulation, and chaos engineering testing environments.

Capabilities

  • Traffic Control: Configure tc (traffic control) for latency, bandwidth, and packet loss simulation
  • Network Namespaces: Set up network namespaces for network isolation testing
  • WAN Emulation: Emulate WAN conditions with netem (delay, jitter, loss, corruption)
  • Virtual Topologies: Create virtual network topologies for testing
  • Packet Manipulation: Simulate packet loss, reordering, duplication, and corruption
  • Degraded Conditions Testing: Test applications under degraded network conditions
  • Chaos Scenarios: Generate chaos engineering scenarios for resilience testing
  • Container Networking: Configure Docker/Kubernetes network simulation

Tools and Dependencies

  • tc - Traffic control for Linux
  • netem - Network emulator
  • ip netns - Network namespaces
  • mininet - Network emulator
  • toxiproxy - TCP proxy for chaos testing
  • comcast - Network simulation tool
  • pumba - Container chaos testing

Target Processes

  • network-testing-framework.js
  • load-testing-tool.js
  • protocol-fuzzer.js
  • tcp-socket-server.js

Usage Examples

Latency Simulation

bash
tc qdisc add dev eth0 root netem delay 100ms 20ms distribution normal
tc qdisc change dev eth0 root netem delay 200ms 40ms 25% correlation

Packet Loss Simulation

bash
tc qdisc add dev eth0 root netem loss 5% 25%
tc qdisc add dev eth0 root netem loss gemodel 1% 10% 70% 0.1%

Bandwidth Limiting

bash
tc qdisc add dev eth0 root tbf rate 1mbit burst 32kbit latency 400ms

Network Namespace Isolation

bash
ip netns add test_ns
ip link add veth0 type veth peer name veth1
ip link set veth1 netns test_ns
ip netns exec test_ns ip addr add 10.0.0.2/24 dev veth1
ip netns exec test_ns ip link set veth1 up

Toxiproxy Chaos

bash
toxiproxy-cli create -l localhost:6379 -u localhost:6380 redis_proxy
toxiproxy-cli toxic add -t latency -a latency=1000 redis_proxy

Quality Gates

  • Network conditions applied correctly
  • Application behavior under degraded conditions verified
  • Chaos scenarios executed successfully
  • Recovery testing completed
  • Performance baselines established

Expand your agent's capabilities with these related and highly-rated skills.

a5c-ai/babysitter

gsd-tools

Central utility skill for GSD operations. Provides config parsing, slug generation, timestamps, path operations, and orchestrates calls to other specialized skills. Acts as the unified entry point that the original gsd-tools.cjs provided via its lib/ modules (commands, config, core, init).

514 31
Explore
a5c-ai/babysitter

model-profile-resolution

Resolve model profile (quality/balanced/budget) at orchestration start and map agents to specific models. Enables cost/quality tradeoffs by selecting appropriate AI models for each agent role.

514 31
Explore
a5c-ai/babysitter

verification-suite

Plan structure validation, phase completeness checks, reference integrity verification, and artifact existence confirmation. Provides the structured verification layer ensuring GSD artifacts are well-formed and complete.

514 31
Explore
a5c-ai/babysitter

state-management

STATE.md reading, writing, and field-level updates. Provides cross-session state persistence via .planning/STATE.md with structured fields for current task, completed phases, blockers, decisions, and quick tasks.

514 31
Explore
a5c-ai/babysitter

git-integration

Git commit patterns, formats, and conventions for GSD methodology. Provides atomic commits per task, structured commit messages, planning file commits, branch management, and milestone tag operations.

514 31
Explore
a5c-ai/babysitter

frontmatter-parsing

YAML frontmatter parsing and manipulation for .planning/ documents. Provides read, write, update, query, and validation operations on frontmatter blocks in GSD markdown artifacts.

514 31
Explore

Didn't find tool you were looking for?

Be as detailed as possible for better results