Capabilities paper available.

Caracas 1-23-1996


Dear Fellows.-


This posting is to announce the availability of the paper:
` A Brief Essay on Capabilities '.
This paper has been published in ACM SIGPLAN NOTICES of July-1995.
(Vol. 30, Number 7)


The following URL can be used do download the paper:


<ftp://strix.ciens.ucv.ve/pub/papers/capabil-95.ps.gz>


As the paper has just been uploaded, and because it takes a few days
to complete the acceptance process, there is a slight change for a
miss when trying the downloading. In this case, please use the
directory `incoming' instead of the directory `papers'. Note also
that actually the full qualified domain name `strix.ciens.ucv.ve'
should be resolved as 150.185.72.4 [ just in case :-) ].


=====ABSTRACT FOLLOWS=========


In the course of the last three decades, capabilities have been
successfully used to implement protection systems in multiples
scenarios and platforms. Although the basic idea remains the same, a
wide variety of techniques have been used in the implementation and
administration of capabilities. As new paradigms emerged, the concept
of capabilities has shown to scale very well with the change of
models. As a matter of fact, several modern computational
environments (particularly distributed ones) use some sort of
capabilities as a protection mechanism. The goal of this paper is to
review the main ideas related to capabilities as well as several of
the approaches chosen in their implementation and use. This work is
primarily intended as a support document for courses on operating
systems and programming languages.


==================================


Regards


Marco de Vivo
mdevivo@conicit.ve


Gabriela de Vivo
gdevivo@conicit.ve


Luis Gonzalez
lgonza@ucvlcpd2.ciens.ucv.ve
--

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