Re: Quality problems - AGREE!

Matt Timmermans/MSL <>
Date: Fri, 15 Apr 1994 16:19:58 --100
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From: Matt Timmermans/MSL <>
To: Multiple recipients of list <>
Subject: Re: Quality problems - AGREE!
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Another suggestion for keeping links in the Web up to date:  How about a 
cooperative system?

The document at the end of any URL could optionally supply a pointer to a 
notification server.

When someone creates a link to the document, he could mail the server a 
notification request in a form similar to:

    !NOTIFICATION REQUEST:  URL-UPDATE    <URL>       <address>
                                ^           ^             ^
                              Request    Current     Who to Notify
                               Type        URL      when it changes

It is assumed that whoever maintains the document can update the notification 
server.  When a document moves, the notification server mails all the addresses 
who want URL-UPDATE notifications a message like:

                                   ^              ^
                              Previous URL     New URL

Upon receiving notification, the receiver updates all of his documents to 
reflect the change.

The advantage of such a system is that nobody has to waste time and bandwidth 
testing all of their links, most of which would be just fine.  Also, nobody is 
_required_ to implement anything, and nobody gets sent anything they don't ask 

As the number of notification servers and receivers increases, Web documents 
would become silently, transparently, more reliable.


Matt Timmermans               | Phone:  +1 613 727-5696
Microstar Software Ltd.       | Fax:    +1 613 727-9491
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