Referenced Items are not available for this document.
A retrospective view is presented of the Charlotte distributed operating system, a testbed for developing techniques and tools to solve computation-intensive problems with large-grain parallelism. The final version of Charlotte runs on the Crystal multicomputer, a collection of VAX-11/750 computers connected by a local area network. The kernel/process interface is unique in its support for symmetric, bidirectional communication paths (called links), and synchronous nonblocking communications. Several lessons were learned in implementing Charlotte. Links have proven to be a useful abstraction, but the primitives do not seem to be at quite the right level of abstraction. The implementation uses finite-state machines and a multitask kernel, both of which work well. It also maintains absolute distributed information which is more expensive that using hints. The development of high-level tools, particularly the Lynx distributed programming language, has simplified the use of kernal primitives and helps to manage concurrency at the process level
Published in:
Software Engineering, IEEE Transactions on
(Volume:15
,
Issue:
6
)
Date of Publication: Jun 1989
- Page(s):
- 676 - 685
- ISSN :
- 0098-5589
- INSPEC Accession Number:
- 3433449
- Digital Object Identifier :
- 10.1109/32.24721
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jun 1989
- Sponsored by :
- IEEE Computer Society
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