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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: RSS beyond the Blog: 1992 or 1999? - was Re: hu
 Michael Champion wrote: > "aggregation" of information that is unique to me is > a bit of a misnomer, so I don't see the value of > leveraging the RSS+Aggregator infrastructure to do > that. Better to build a real pub-sub network? I can see nothing about the RSS+Aggregator infrastructure that results in any particular impedance mis-match with a "real pub-sub network." The "RSS+Aggregator" stuff is, or can be, only part of a fuller network of systems which includes real publish/subscribe systems either upstream or downstream from one or more RSS files. The complexity of the overall system needs to be adjusted based on the specific need and the time-sensitivity of the data which flows through the network. For instance, as many know, at PubSub.com, we have a "real pub-sub" system, but we can deliver results to an RSS file. This works wonderfully for delivering notifications or content that aren't time-sensitive. For most folk, blog and newsgroup posts aren't things that must be seen within seconds of their posting. Thus, the whole RSS+Aggregator+Polling thing works fine as a delivery mechanism. On the other hand, we also support notification of SEC Edgar Filings and there are whole communities of folk who insist on getting these filings instantly. So, we provide email and other "fast" notification methods (not all public) for SEC Edgar Filing notifications -- while also providing RSS delivery for folk who aren't quite so insistent about getting the notifications instantly. The same is going to hold for "information that is unique" to you. Some stuff you want to see immediately, other things you really don't care about as much. What is needed here is a variety of delivery mechanisms or perhaps a single mechanism with a variety of Quality of Service (QOS) levels. bob wyman 
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