BRITE integration with ns-3
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Overview
The Boston university Representative Internet Topology gEnerator (BRITE) is a topology generation framework built with flexibility and extensibility in mind. By integrating this topology framework with ns-3, users will have the power to quickly and efficiently create large Internet topologies, while taking advantage of ns-3's simulation capabilities.
Project Goals
- The user will be able to easily leverage the power of BRITE within ns-3, in order to create and simulate large-scale Internet topologies.
- Example ns-3 scripts will be provided to show use.
- Test cases will be created to ensure proper operation.
- Manual section will be created to provide information on use and operation.
Development Plan
For modularity, the BRITE source code will be separate from the ns-3 code. Within the ns-3-allinone directory, the download.py script will take care of downloading and building the BRITE source code should the user choose to use BRITE. During the ns-3 build process, if BRITE is enabled, the BRITE code will be linked with the ns-3 code. Within the src/contrib directory, the "brite" directory will exist which holds the topology helper (brite-topology-helper.cc/h), examples, and test cases.
The heart of the ns-3/BRITE integration is contained within the topology helper. By passing in a BRITE configuration file to this helper, the topology is created with BRITE. This topology is initially incompatible with ns-3; however, the helper will use this initial topology generation to create the ns-3 topology. Once topology generation is completed, the user can install applications on the nodes within this topology and run the simulation.
Current Status
Two repositories exist for BRITE integration with ns-3. First is the BRITE code itself, slightly modified to work with ns-3. Second is the ns-3-brite repository where the BRITE toplogy helper, examples, and test cases will exist.