Implementing a NTP-based time service within a distributed middleware system

  • Authors:
  • Hasan Bulut;Shrideep Pallickara;Geoffrey Fox

  • Affiliations:
  • Indiana University;Indiana University;Indiana University

  • Venue:
  • Proceedings of the 3rd international symposium on Principles and practice of programming in Java
  • Year:
  • 2004

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Abstract

Time ordering of events generated by entities existing within a distributed infrastructure is far more difficult than time ordering of events generated by a group of entities having access to the same underlying clock. Network Time Protocol (NTP) has been developed and provided to the public to let them adjust their local computer time from single (multiple) time source(s), which are usually atomic time servers provided by various organizations, like NIST and USNO. In this paper, we describe the implementation of a NTP based time service used within NaradaBrokering, which is an open source distributed middleware system. We will also provide test results obtained using this time service.