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Title : Licklider Transmission Protocol - Specification
Author(s) : S. Burleigh, et al.
Filename : draft-irtf-dtnrg-ltp-06.txt
Pages : 50
Date : 2007-4-4
This document describes the Licklider Transmission Protocol (LTP),
designed to provide retransmission-based reliability over links
characterized by extremely long message round-trip times (RTTs)
and/or frequent interruptions in connectivity. Since communication
across interplanetary space is the most prominent example of this
sort of environment, LTP is principally aimed at supporting "long-
haul" reliable transmission in interplanetary space, but it has
applications in other environments as well.
In an Interplanetary Internet setting deploying the Bundle protocol
being developed by the Delay Tolerant Networking Research Group, LTP
is intended to serve as a reliable convergence layer over single hop
deep-space RF links. LTP does ARQ of data transmissions by
soliciting selective-acknowledgment reception reports. It is
stateful, and has no negotiation or handshakes.
This document is a product of the Delay Tolerant Networking Research
Group and has been reviewed by that group. No objections to its
publication as an RFC were raised.
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