End-to-end communication in highly-dynamic airborne networks is challenging due to the presence of highly mobile nodes and the inherent nature of wireless communication channels. Domain-specific protocols are required that can address these challenges and enable reliable transmission of data in this environment. We develop the ANTP (airborne network and transport protocols) suite that operates in this highly-dynamic environment while utilising cross-layer optimisations between the physical, MAC, network, and transport layers. We show how each component in the ANTP suite outperforms the traditional TCP/IP and MANET protocols through simulation using ns-3. Having verified these protocols through simulation and analysis, the next step towards deployment of the ANTP suite is developing a crossplatform implementation of the protocols. Towards this end we present an architecture for the protocol stack to be implemented in the Python programming language.
Abstract-Due to the challenging network conditions posed by a highly-dynamic airborne telemetry environment, it is essential for the transport protocol to provide automated mechanisms that dynamically adapt to changing end-to-end performance on any path. The AeroTP multi-mode transport protocol provides service tailored to the requirements of the telemetry mission control and data packets, achieving better performance compared to the traditional TCP and UDP. We use ns-3 to simulate the AeroTP protocol's reliable and quasi-reliable modes and demonstrate the performance tradeoffs between the modes, as well as comparing their performance with TCP and UDP.
Due to the challenging network conditions posed by a highly-dynamic airborne telemetry environment, it is essential for the transport protocol to provide automated mechanisms that dynamically adapt to changing end-to-end performance on any path. The AeroTP multi-mode transport protocol provides service tailored to the requirements of the telemetry mission control and data packets, achieving better performance compared to the traditional TCP and UDP. We use ns-3 to simulate the AeroTP protocol's reliable and quasi-reliable modes and demonstrate the performance tradeoffs between the modes, as well as comparing their performance with TCP and UDP. I. INTRODUCTION AND MOTIVATIONThe highly dynamic airborne telemetry environment poses many unique challenging network conditions. One of the challenges is the constrained bandwidth caused by limited RF spectrum and the large quantity of data being sent over the network. The second challenge is the limited transmission range due to power and weight constraints of test articles (TAs). In addition, the high velocity of TAs poses the third challenge, the problem of mobility that results in highly dynamic topology changes. The fourth challenge is intermittent connectivity that arises due to the second and the third challenges. Unfortunately, the current TCP/IP-based Internet architecture is not appropriate for this environment [1] and there are several issues to be solved at the network and transport layers [2]. Given these constraints, in order to make the network resilient, we need to have cross-layer enabled protocols at the transport, network, and MAC layers that are uniquely designed to address the challenges posed by the aeronautical telemetry network. These protocols also have to be TCP/IP compatible with those devices located on the airborne nodes and with the control applications. With that in mind, in the context of the Integrated Network Enhanced Telemetry (iNET) program for Major Range and Test Facility Bases (MRTFB) across United States [3], we developed the Airborne Network Telemetry Protocol (ANTP) suite [4,5]. The suite includes AeroTP -a TCP-friendly transport protocol that supports multiple reliability modes, AeroNP -an IP-compatible network protocol, and AeroRP -a routing protocol that takes advantage of location information to mitigate the short contact
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