A Reliable and Fast Data Transfer for Grid Systems Using a Dynamic Firewall Configuration

Authors:
T. Oistrez;E. Grünter;M. Meier;R. Niederberger
Affiliations:
Research Centre Juelich, Juelich, Germany;Research Centre Juelich, Juelich, Germany;Research Centre Juelich, Juelich, Germany;Research Centre Juelich, Juelich, Germany
Venue:
Euro-Par 2008 Workshops - Parallel Processing
Year:
2009

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Abstract

Firewalls separate areas of different security requirements. This major task leads to problems regarding the network connectivity and performance of various applications. In particular within distributed systems, like a Grid an unobstructed communication, which is essential for using distributed resources is not possible. Furthermore Grid applications often use multiple ports dynamically and in parallel. This raises the challenge of a dynamic configuration of firewalls. This paper shows a solution based on UDP hole punching and describes the implementation of a UNICORE transfer service using this technology to perform direct high speed file transfers.