RSS Channel And History - More fundamentally, the...
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More fundamentally, the flow nature of RSS needs to be aligned with that of the Web, as explained by Representational State Transfer (REST).
The Web according to REST is embodied by three components -
- Identifiers (URIs)
- Protocols (e.g., HTTP)
- Formats (e.g., HTML; RSS, is a format as well).
Formats represent the state of a resource (as identified by a URI) in a snapshot (called a representation) that is sent using a Web protocol. But RSS is very often a partial snapshot; it describes the last few items in the feed, not the complete flow to date. Although other formats don't always give the complete state of a resource.
A well-defined concept of a channel would allow other uses of RSS beyond simple headlines; aggregators could make more intelligent decisions about how to display a feed, enabling more content - from my Netflix queue to my Amazon shopping cart to a personal todo list.
As Weblogs repurposes RSS from headline syndication to their own purposes, so to can we find new applications of RSS, without sacrificing its legacy. Rather, if we explicitly state what's implied about feeds now (reverse-chronological ordering), we enable new applications as well as new functionality for existing ones.
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