MUDSAT, DTN for M2M for Satellite Applications

Objectives

MUDSAT is an ARTES-1 study related to Delay-/Disruption-Tolerant Networking (DTN) and Machine-to-Machine (M2M) applications. The study investigates potential DTN/M2M and other DTN use-cases and their applicability for satellite communication scenarios, will design solutions for a subset of these scenarios and demonstrate two selected use-cases.
The study will review uses for Delay-/Disruption-Tolerant Networking (DTN) and Machine-to-Machine (M2M) applications that could make use of GEO/LEO/MEO satellite communicationsand will describe how DTN could be used to meet the application requirements for the scenarios considered and identify any relevant shortcomings of the DTN architecture or protocol suite.

Challenges

Identifying scenarios that are both feasible and can derive benefit from DTN.

Benefits

The results will hopefully help derive recommendations for how aspects of DTN protocols (and space standards such as those from the CCSDS DTN WG) might influence the adoption of DTN features in both GEO/LEO and in the core of the future Internet.  

Features

Utilising existing Satellite modem technology, we will develop a system that communicates using DTN2 implementation of the bundle protocol in a Machine 2 Machine scenario identified in the study.

The scenarios identified are as below. We will be focusing on 3 and 4 initially.

  1. Uni Directional
    Uni-directional satellite broadcast channel coupled with low-bandwidth, limited range bi-directional VHF channels. The question here for DTN is can it be used in combination with VHF for ship to shore communications while using satellite for unidirectional communication.
  2. Bi Directional Log cabin Scenario: Satellite connection outside or near footprint. This scenario will ask the question of how far north can satellite coverage reach using DTN.
  3. BiDir - Where Log Cabin and Marine Monitor scenarios using bi-directional satellite link that is liable to be disrupted. Buoys will often be placed in locations that do not have good (or any) coverage via terrestrial networking.
  4. Cabin – People living off-grid in static location for limited periods of time with limited access to terrestrial networks. The question for this scenario is how much better would it be for them if some nodes had satellite access and how much might that costs as opposed to using DTN Data mules or long distance 3G.

Plan

The study is small-scale (12 months duration, approx. 9MM) with three tasks. Task one is documenting different scenarios for discussion with ESA, followed in Task 2 by more detailed review of selected scenarios and production of outline designs for selected scenarios and for any required DTN adaptations or extensions needed. Task 3 is to prototype solutions that can be demonstrated based on one of the selected scenarios.

Current status

We completed and submitted TN-2 (DTN Adaptations for M2M-Satellite Communications) and TN-3 (Demonstration of DTN Applications in M2M Satellite Communications) notes. Final Review including demonstrations was held in April 2014.

Contacts

Status date

Friday, July 1, 2016 - 15:51