A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Licklider Transmission Protocol - Extensions
Author(s) : S. Farrell, et al.
Filename : draft-irtf-dtnrg-ltp-extensions-02.txt
Pages : 9
Date : 2005-12-27
In an Interplanetary Internet setting deploying the Bundling protocol
being developed by the Delay Tolerant Networking Research Group, the
Licklider Transmission Protocol (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.
LTP is 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.
This document describes extensions to LTP, and is part of a series of
related documents describing LTP. Other documents in this series
cover the motivation for LTP and the main protocol specification. We
recommend reading all the documents in the series before writing code
based on this document.
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