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Has a lot of flexibility for creative usage
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Many interactions are not defined in the HTTP/1.1 spec
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For example, is end-to-end really end-to-end?
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Often enough to get the work done
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Few are interested in the beauty of solutions
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But were stretching the limits of its extensibility
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Interactions are becoming more and more complex
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Interoperability at stake!
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We need a more powerful framework!