GSOC2024DHCPv6

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Project Overview

• Project Name: DHCPv6
• Student: Kavya Bhat
• Mentors: Tommaso Pecorella, Alberto Gallegos Ramonet, Manoj Kumar Rana
• Google page: https://summerofcode.withgoogle.com/programs/2024/projects/X6Wbehcn
• Project Goals: The project aims to implement DHCP for IPv6 (DHCPv6), which is used in IPv6 networks for address configuration on devices, and allows for central management of the network. ns-3 has a model for DHCP, which is used in IPv4 networks for address configuration. In IPv6, stateless address autoconfiguration (SLAAC) may be used, but this does not allow one to manage addresses of hosts in a network. ns-3 currently does not have an implementation for DHCPv6, and the aim is to add functionality for this protocol.
• Repository: https://gitlab.com/kavbhat/ns-3-dev/-/tree/gsoc-24
• About Me: I have just completed my undergrad at the National Institute of Technology Karnataka, Surathkal (NITK). I am currently exploring the domains of operating systems and computer networks. I have earlier worked on the Neighbor Discovery protocol, and on IPv6 deployment in the university network.
• Project Proposal: Link

Milestones

The GSoC period is divided into three phases. According to the proposal, the deliverables are as follows:

Phase 1

Duration: Week 1 to Week 6

• Create the Dhcp6Header class and add the member function implementations.
• Create the Dhcp6Server class and add the necessary functionality.
• Create the Dhcp6Client class and implement the member functions for requesting and binding addresses.
• Write unit tests for the new classes.

Phase 2

Duration: Week 7 to Week 10

• Extend the implementation to support additional options in DHCPv6.
• Work on the tests and examples for the new application model.

Phase 3

Duration: Week 11 to Week 12

• Fix any failing tests, and add additional tests as required.
• Add documentation for the DHCPv6 model.

Weekly Reports

Community Bonding Period

Duration: May 1 to May 26

• Worked on the design document, and potential issues with the proposal ideas.
• Discussed the approach to testing the DHCPv6 messages and application.
• Created the class for the DHCPv6 header and added the getter/setter implementations.
• Modified the approach for DHCPv6 Options, to allow for modularization and reduction of code redundancy.

Week 1

Duration: May 27 - June 2

• Added getter/setter methods for (currently) relevant DHCPv6 options.
• Implemented member methods to add options to the DHCPv6 header.
• Tested header serialization and deserialization to ensure options are added correctly (sanity test!).
• Began discussions on client and server implementations.