Message-Id: <email@example.com> In-Reply-To: <Pine.OSF.3.96.980115102959.16523Bfirstname.lastname@example.org> Date: Thu, 15 Jan 1998 06:31:46 -0500 To: Jukka Korpela <email@example.com>, firstname.lastname@example.org From: Jordan Reiter <email@example.com> Subject: Re: Suggestion: ALTHREF attribute At 4:19 AM -0500 1/15/98, Jukka Korpela wrote: >(I know that this topic is a part of a much wider problem >of addressing on the Web. But I think some interim solution would be >greatly needed.) > >Problem description: >There is currently no way to provide an alternative resource >to be used when the resource specified in the HREF attribute >of an A element is inaccessible (temporarily, e.g. due to >server being offline, or permanently, e.g. due to resource >having been deleted). > >Notice that in this discussion, "alternative resource" essentially >means 'alternative _copy_ of a document'. Existence of such >alternatives might be based on simple copying "by hand" or on >automatic mirroring. > >Importance of the problem: >Great, since resources are so often moved or deleted and since >a connection can be down or much too slow at times. Even if a document >or collection of document is made available on several servers using >various techniques in order to make it efficiently accessible worldwide, >in _HTML_ one currently needs to link to it using _one_ address. >This makes links very vulnerable. For the sake of simplicity and widest accessibility, I suggest listing all of the possible document links in the text, instead. In addition, there's something offering a solution of sorts at http://www.purl.org, I *think*.