A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : PBS NSLP: Network Traffic Authorization
Author(s) : S. Hong, H. Schulzrinne
Filename : draft-hong-nsis-pbs-nslp-01.txt
Pages : 24
Date : 2008-07-14
This document describes the NSIS Signaling Layer protocol (NSLP) for
network traffic authorization in the Internet, the Permission-Based
Sending (PBS) NSLP. This NSLP aims to prevent Denial-of-Service
(DoS) attacks and other forms of unauthorized traffic. In the PBS
NSLP, a receiver grants a sender a permission that gives the sender
the authority to send data. Signaling installs and maintains the
permission state of routers for a data flow. The PBS NSLP has a
detection algorithm, the PBS Detection Algorithm (PDA), that monitors
attacks. To authenticate packets, the PBS NSLP requests a sender to
use an existing security protocol, the IPsec Authentication Header
(AH). This allows routers to drop bogus packets by using an IP
packet filter. To avoid a compromised router that drops legitimate
packets, the PBS NSLP triggers the sender to change the data flow
path.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-hong-nsis-pbs-nslp-01.txt
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