| Service
Requests |
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| n | A UA
requests a service |
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| – | by
type, possibly with a naming_authority |
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| – | from
a particular scope |
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| – | by
predicate (a boolean query based on service attributes) |
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| n | Example: |
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| – | service
type = service:printer:lpr |
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| – | scope
list = Engineering, Marketing |
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| – | predicate
= (&(location-description = Printer Room) |
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(duplex-mode = duplex)) |
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| n | Representation:
<service-type[.na],scope,[query]> |
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