A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Hitchhiker's Guide to the (Datagram) Transport Layer Security Protocol for Smart Objects and Constrained Node Networks
Author(s) : Hannes Tschofenig
Sandeep S. Kumar
Sye Loong Keoh
Filename : draft-tschofenig-lwig-tls-minimal-03.txt
Pages : 15
Date : 2013-07-05
Abstract:
Transport Layer Security (TLS) is a widely used security protocol
that offers communication security services at the transport layer.
The initial design of TLS was focused on the protection of
applications running on top of the Transmission Control Protocol
(TCP), and was a good match for securing the Hypertext Transfer
Protocol (HTTP). Subsequent standardization efforts lead to the
publication of the Datagram Transport Layer Security (DTLS) protocol,
which allows the re-use of the TLS security functionality and the
payloads to be exchanged on top of the User Datagram Protocol (UDP).
With the work on the Constrained Application Protocol (CoAP), as a
specialized web transfer protocol for use with constrained nodes and
constrained networks, DTLS is a preferred communication security
protocol.
Smart objects are constrained in various ways (e.g., CPU, memory,
power consumption) and these limitations may impose restrictions on
the protocol stack such a device runs. This document only looks at
the security part of that protocol stacks and the ability to
customize TLS/DTLS. To offer input for implementers and system
architects this document illustrates the costs and benefits of
various TLS/DTLS features for use with smart objects and constraint
node networks.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-tschofenig-lwig-tls-minimal
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-tschofenig-lwig-tls-minimal-03
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-tschofenig-lwig-tls-minimal-03
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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