A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Kerberos Working Group of the IETF.
Title : Problem statement on the cross-realm operation of Kerberos
Author(s) : S. Sakane
Filename : draft-ietf-krb-wg-cross-problem-statement-04.txt
Pages : 13
Date : 2009-7-31
As industrial automation is moving towards wider adoption of Internet
standards, the Kerberos authentication protocol represents one of the
best alternatives for ensuring the confidentiality and the integrity
of communications in control networks while meeting performance and
security requirements.
However, the use of Kerberos cross-realm operations in large scale
industrial systems may introduce issues that could cause performance
and reliability problems. This document describes some examples of
actual large scale industrial systems, and lists requirements and
restriction regarding authentication operations in such environments.
The document then describes standing issues in the Kerberos cross-
realm authentication model that should be fixed before Kerberos can
be adopted in large scale industrial systems.
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