How to program networked portable computers
Goldberg, D.; Tso, M.
Workstation Operating Systems, 1993. Proceedings., Fourth Workshop on
Volume , Issue , 14-15 Oct 1993 Page(s):30 - 33
Digital Object Identifier 10.1109/WWOS.1993.348176
Summary:What is the correct programming model for networked portable
computers? Such computers come in many shapes and sizes, so it is
unreasonable to expect that there is one programming model appropriate
for every single variety. However, it is likely that there is some model
that will work well for a wide range of cases. We propose the
intelligently autonomous model for this role. Our goal for a widely
applicable model is that it should allow applications to operate during
disconnections, and that during disconnections the user shouldn't be
surprised, that is, applications should behave predictably. The
intelligently autonomous model fulfills these goals by having a remote
file system with caching, and allowing user control over the cache. In
more detail, we are interested in portable networked computers that:
frequently access external data, have a reasonably powerful CPU, have a
wireless network that suffers from intermittent, unpredictable
disruptions. We survey existing models, and then explain why we think
they fall short of user requirements. In particular, we feel that
existing models have wrongly assumed that it is not necessary to
customize applications for an intermittently connected environment. Then
we present our intelligently autonomous model, and give a very brief
report of our experiences with a prototype of it
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