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Internet Emulator

The objective of the SEED-Emulator project is to help create emulators of the Internet. These emulators are for educational uses, and they can be used as the platform for designing hands-on lab exercises for various subjects, including cybersecurity, networking, etc.

The project provides essential elements of the Internet (as Python classes), including Internet exchanges, autonomous systems, BGP routers, DNS infrastructure, a variety of services. Users can use these elements as the building blocks to build their emulation programmatically. The output of the program is a set of docker container folders/files. When these containers are built and started, they form a small-size Internet. New building blocks are being added, including Blockchain, Botnet, and many other useful elements of the Internet.

The Web UI

Table of Contents

Getting Started

To get started with the emulator, install docker, docker-compose, and python3. Then, take a look at the examples/ folder for examples. Detailed explanation is provided in the README file, as well as in the comments of the code. To run an example:

  1. Pick an example, say A00-simple-peering.
  2. Add seedemu to PYTHONPATH. This can be done by running source development.env under the project root directory.
  3. Build the emulation. For this example, cd to examples/A00-simple-peering/, and run python3 ./simple-peering.py. The container files will be created inside the output/ folder. For some examples, such as B02-mini-internet-with-dns, they depend on other examples, so you need to run those examples first. This is part of our component design.
  4. Build and run the containers. First cd output/, then do docker-compose build && docker-compose up. The emulator will start running. Give it a minute or two (or longer if your emulator is large) to let the routers do their jobs.
  5. Optionally, start the seedemu web client. Open a new terminal window, navigate to the project root directory, cd to client/, and run docker-compose build && docker-compose up. Then point your browser to http://127.0.0.1:8080/map.html, and you will see the entire emulator. Use the filter box if you want to see the packet flow.

Documentation

Documentation is in progress inside the docs/ folder.

Contributing

Contributions to SEED-Emulator are always welcome. For contribution guidelines, please see CONTRIBUTING.

License

The software is licensed under the GNU General Public License v3.0 license, with copyright by The SEED-Emulator Developers (see LICENSE).