NDLI: Mesh: secure, lightweight grid middleware using existing SSH infrastructure

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Mesh: secure, lightweight grid middleware using existing SSH infrastructure

Content Provider	ACM Digital Library
Author	Kolano, Paul Z.
Abstract	Grid computing promises gains in effective computational power, resource utilization, and resource accessibility, but in order to achieve these gains, organizations must deploy grid middleware that, in most cases, does not adhere to fundamental security principles. This paper introduces a new lightweight grid middleware called Mesh, which is based on the addition of a single sign-on capability to the built-in public key authentication mechanism of SSH using system call interposition. The initial Mesh implementation is compatible with approximately 90% of the world's SSH servers and any SSH client that supports public key authentication. Resources maybe added to a Mesh-based grid in a matter of minutes using just five small files and two environment variable settings. Mesh adheres to fundamental security principles and was designed to be compatible with strong security mechanisms including two-factor authentication, SSH bastions, and restrictive firewalls. Mesh uses a remote command model, which is based on the syntax and commands already understood by users, thus requires no additional knowledge to utilize effectively. Several existing services have been integrated with Mesh to provide resource discovery and query, high performance file transfer, and job management.
Starting Page	111
Ending Page	120
Page Count	10
File Format	PDF
ISBN	9781595937452
DOI	10.1145/1266840.1266857
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-06-20
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Access control Authorization Grids Single sign-on Distributed systems Authentication Ssh Security Middleware Delegation
Content Type	Text
Resource Type	Article

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