From mboxrd@z Thu Jan 1 00:00:00 1970 From: forsyth@vitanuova.com Message-Id: <200008032039.QAA07694@cse.psu.edu> To: 9fans@cse.psu.edu Subject: Re: [9fans] ugrading edition 2 graphics to edition 3 Date: Thu, 3 Aug 2000 21:40:25 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: f5e28f6c-eac8-11e9-9e20-41e7f4b1d025 >>There's reinvention and there's reimplementation, as advocated by >>forsyth in `more taste, less greed: sending Unix to the fat farm' as noted in that paper, i borrowed the distinction from the EMAS group, particularly their paper ``An Experiment in Doing it Again, But Very Well This Time'' (CSR-18-77 University of Edinburgh): By re-implementation, we mean re-programming and altering the structure of an existing system where necessary, so as to better implement the function of that system. We distinguish re-implementation from two other activities. These are the transportation of an existing system to new hardware, and the design of a new system. If we transport a system, we leave its function and its structure unaltered. Re-implementation is not merely a combination of transportation and re-design, but is a unique activity in its own right. It is doing it again, but very well this time.