Re: What is a "component"?

From: Douglas G. Danforth <"Douglas>
Date: Mon, 13 Dec 2004 14:53:40 -0500

----boundary-LibPST-iamunique-1504212670_-_-
Content-type: text/plain

Wojtek,

"Component Software Beyond Object-Oriented Programming" by Clemens Szyperski

page 10
1.5 Components are units of deployment
A software component is what is actually deployed - as an isolatable
part of a system - in a component-based approach. Contrary to frequent
claims, objects are amost never sold, bought, or deployed. The unit of
deployment is something rather more static, such as a class or, more
likely, a set or framework of classes....

-Doug

--------------------------------------------

To unsubscribe from this mailing list, send a message containing the word "unsubscribe" to:
   blackbox-request{([at]})nowhere.xy

To get a list of valid e-mail commands and instructions on their usage, send a message containing the word "help" to the above address.

Send any problem reports or questions related to this email list to the list owner at
   owner-blackbox{([at]})nowhere.xy

Current posting policy:

a) To post you should use the same address by which you are subscribed to the mailing list. That way, the list server will recognize you as subscriber and forward your posting immediately, without creating any overhead.

b) If, for some reason, you cannot post from the address, by which you are subscribed, your message will be moderated to avoid spam. Please understand that moderation will often cause some delay, in particular over weekends or holydays.


----boundary-LibPST-iamunique-1504212670_-_-
Content-type: application/rtf
Content-transfer-encoding: base64
Content-Disposition: attachment; filename="rtf-body.rtf"
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----boundary-LibPST-iamunique-1504212670_-_---
Received on Mon Dec 13 2004 - 20:53:40 UTC