NASA implementation of Delay-Tolerant Networking (DTN)


Interplanetary Overlay Network (ION) software distribution is an implementation of Delay-Tolerant Networking (DTN) architecture as described in Internet RFC 4838.

This is a suite of communication protocol implementations designed to support mission operation communications across an end-to-end interplanetary network, which might include on-board (flight) subnets, in-situ planetary or lunar networks, proximity links, deep space links, and terrestrial internets.

Included in the ION software distribution are the following packages:
 * ici (interplanetary communication infrastructure) a set of libraries
   that provide flight-software-compatible support for functions on
   which the other packages rely
 * bp (bundle protocol), an implementation of the Delay-Tolerant
   Networking (DTN) architecture's Bundle Protocol.
 * dgr (datagram retransmission), a UDP reliability system that implements
   congestion control and is designed for relatively high performance.
 * ltp (licklider transmission protocol), a DTN convergence layer for reliable
   transmission over links characterized by long or highly variable delay.
 * ams - an implementation of the CCSDS Asynchronous Message Service.
 * cfdp - a class-1 (Unacknowledged) implementation of the CCSDS File
   Delivery Protocol.
 This package contains the binary files.

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