DTN Gateway Architecture for Partially Disconnected Telemetry Environments
Abstract
Telemetry networks often operate in challenged wireless environments, resulting in periods of
disconnection. Our delay tolerant networking (DTN) gateway dynamically detects disruptions in
connectivity and buffers telemetry data until connectivity is reestablished. When the connection
is resumed, all buffered data is transmitted automatically in order to backfill any gaps in the
telemetry stream. A DTN gateway may operate as a standalone device with multiple DTN
client applications, or as a network of mobile DTN gateways which will perform multi-hop
ad-hoc routing to deliver telemetry data across the telemetry network system (TmNS). Our DTN
gateway also provides conventional IP routing and forwarding capabilities, including support for
standard dynamic routing protocols, eliminating the need for a stand-alone IP router on the test
article (TA). This paper presents the system architecture of our DTN gateway, along with several
deployment scenarios for telemetry environments.
Description
Proceedings of the International Telemetering Conference (ITC), October, 2012.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.Collections
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