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

• URL: http://arxiv.org/abs/2605.21624v1
• Date: Wed, 20 May 2026 18:36:40 GMT
• Title: An Open-Source Framework to Emulate Delay and Disruption Tolerant Networks for International Space Station Communication
• Abstract summary: We present an open-source, full-stack implementation of the Bundle protocol for communicating with the International Space Station.<n>Security features include Bundle Authentication Block (BAB), Payload Integrity Block (PIB), and Payload Confidentiality Block (PCB)
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Delay and Disruption Tolerant Networks (DTN) are critical for reliable communications in challenged network environments, particularly for space systems where end-to-end connectivity cannot be guaranteed. We present an open-source, full-stack implementation of the Bundle protocol for communicating with the International Space Station (ISS), with complete security features including Bundle Authentication Block (BAB), Payload Integrity Block (PIB), and Payload Confidentiality Block (PCB) using HMAC-SHA256 and AES-256-CBC encryption. The system includes bundle fragmentation and reassembly, priority-based queuing, custody transfer with ACK/NAK mechanisms, and automatic retransmission. Our system also includes a frontend facilitated by a modern responsive web interface. We consider this work highly relevant in the context of computer networking because: i) it demonstrates a full stack, open-source, freely available implementation of this critical and reliable protocol; and ii) it offers an interactive educational and learning framework in the field of computer networks and communications.

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