A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : DTLS Relay for Constrained Environments
Author(s) : Sandeep S. Kumar
Sye Loong Keoh
Oscar Garcia-Morchon
Filename : draft-kumar-dice-dtls-relay-00.txt
Pages : 11
Date : 2013-10-21
Abstract:
The 6LoWPAN and CoAP standards defined for resource-constrained
devices are fast emerging as the de-facto protocols for enabling the
Internet-of-Things (IoTs). Security is an important concern in IoTs
and the DTLS protocol has been chosen as the preferred method for
securing CoAP messages. DTLS is a point-to-point protocol relying on
the IP routing to deliver messages between the client and the server.
However in some low-power lossy networks (LLNs) with multi-hop, a new
"joining" device may not be initially IP routable. This prevents
DTLS from being directly useful as an authentication and
confidentiality protocol during this stage, requiring other security
protocols to be implemented on the device. These devices being
resource-constrained often cannot accommodate more than one security
protocol in their code memory. To overcome this problem and reuse
DTLS, we present a DTLS Relay solution for the non-IP routable
"joining" device to establish a secure DTLS connection with a DTLS
server. Further we present a stateful and stateless mode of
operation for the DTLS Relay.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-kumar-dice-dtls-relay
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-kumar-dice-dtls-relay-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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