(Poster) NuMuC: Networking in Userspace to Enable Multi-Connectivity
Torben Petersen, Mojan Wegener, Eduard Axel Jorswieck, Lars Christian Wolf · 2025
In recent years, Multi-Connectivity (MC) has been identified as a promising candidate for enabling reliable lowlatency communication. While multiple theoretical and numerical works discuss the benefits of these techniques, only a few publications describe experimental systems, especially for network layer MC. To close this gap, this paper presents Networking in userspace to enable Multi-Connectivity (NuMuC), a program that implements network layer MC by handling packets inside the userspace. This program allows the implementation of various MC approaches while providing higher flexibility compared to kernel modifications. We give an overview of the architecture of NuMuC and demonstrate its functional capability by using packet duplication on wireless links to increase the resilience of a transmission.