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-02.txt
Pages : 49
Date : 2004-12-21
This document describes the Licklider Transmission Protocol (LTP)
designed to provide retransmission-based reliability over links in
challenged internet environments exhibiting extremely long message
round-trip times (RTTs), frequent interruptions in connectivity, and
high bit error rates. 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 might have 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, is stateful, has no
negotiation or handshakes, and supports out-of-transmission-order
data delivery.
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