Adding Quality of Service Support to Bundle Protocol Through an Extension Block

The Bundle Protocol (BP) was designed to address the challenges inherent in space communications. While already in use in several projects led by various space agencies, including the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA), there is a need to expand BP's capabilities, including in Quality of Service (QoS) support, an area currently lacking standardization. This document proposes a dual QoS support block for BP which facilitates the definition of QoS requirements at the source in an immutable manner while allowing dynamic adjustments by networks or subnetworks. Furthermore, preliminary results are presented, analyzing the effects of the proposed traffic prioritization system and the weighted queue management. These results show improved end-To-end delay for time-sensitive information, and a higher rate of achieved QoS requirements for all priority classes, as well as a fairer approach to network scheduling.

Subjects

Bundle Protocol (BP) | Delay-and Disruption-Tolerant Networks | Quality of Service (QoS) | Space Communications

DDC Class

621.3: Electrical Engineering, Electronic Engineering

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Adding Quality of Service Support to Bundle Protocol Through an Extension Block