Hailpern, B.
Heller, A.
Hoevel, L.
Thefaine, Y.
IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA
This paper appears in: Selected Areas in Communications, IEEE Journal on Publication Date: May 1985
Volume: 3
,
Issue: 3
On page(s):
427
- 430
ISSN: 0733-8716
Current Version Published: 2003-01-06
Abstract
Our view is that people (that is, programmers and general computer users) tend to work together in small groups, where information and resources are shared freely within a group. Most interactions occur within the group (called a cluster)-sending messages, exchanging data, sharing a printer. Communication outside the cluster-sending mail to someone in another group or using a large number cruncher-is comparalively rare. Under this hypothesis, it is advantageous to optimize and simplify interactions within the group. This paper describes our attempt to design a cluster network based on a nonblocking crosspoint switch, which we call ALAN (a local area net). ALAN clusters are star-connected-with intelligent workstation nodes (PC's) at the points of the star, and the ALAN switch at the center.
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