Experiences building a communication-oriented JavaOS

John Hartman, Larry Peterson, Andy Bavier, Peter Bigot, Patrick Bridges, Brady Montz, Rob Piltz, Todd Proebsting, Oliver Spatscheck

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Mobile code makes it easier to maintain, debug, update, and customize a system. Active networks are one of the more interesting applications of mobile code: code is injected into the nodes of a network to customize the network's functionality, such as routing, and to add new features, such as special-purpose congestion control and filtering algorithms. The challenge is to develop a communication-oriented platform for such systems. We refer to mobile code targeted at low-level, communication-oriented systems like active networks as liquid software, the key distinction being that liquid software is focused on the efficient transfer of data, not high-performance computation. To this end, we have designed and implemented Joust, which consists of a complete re-implementation of the Java virtual machine (including both the runtime system and a just-in-time compiler), running on the Scout operating system (a configurable, communication-oriented OS). The result is a configurable, high-performance platform for running liquid software. We present the results of implementing two different applications of liquid software on Joust, including a prototype architecture for active networks.

Original languageEnglish (US)
Pages (from-to)1107-1126
Number of pages20
JournalSoftware - Practice and Experience
Volume30
Issue number10
DOIs
StatePublished - Aug 1 2000

ASJC Scopus subject areas

  • Software

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