An Open-Source Framework to Emulate Delay and Disruption Tolerant Networks for International Space Station Communication

This document is an arXiv feed containing multiple new networking and systems papers (May 22, 2026) covering: an open-source full‑stack Bundle Protocol implementation for Delay and Disruption Tolerant Networks (DTN) targeting ISS communications (with BAB/PIB/PCB, HMAC‑SHA256, AES‑256‑CBC, fragmentation, custody transfer); a large-scale study of IP geolocation accuracy showing large errors in mobile and Global South prefixes; a multi-modal Wi‑Fi fault diagnosis benchmark and dataset; Astragalus, a syntax-driven automatic configuration repair tool for production networks; latency analysis for 3D