A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Licklider Transmission Protocol - Specification
Author(s) : S. Burleigh, et al.
Filename : draft-irtf-dtnrg-ltp-03.txt
Pages : 50
Date : 2005-7-21
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 has
applications in other environments as well.
In an Interplanetary Internet setting deploying the Bundling 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.
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