Keryx Transfer Syntax (SDR)

{

type (notify),

content

{

type (stock-price price-change)

stock-symbol “HWP”,

stock-price “$65”,

exchange-name “NYSE”,

changed Date:”1997.11.05T08:15-0500”

},

system

{

source “quotes.nyse.com”,

publication-id “id://nyse/57”,

message-id “0f903d1a:67fa:340a95f.0”

}

}

• Interchange format

• Structures

  • Maps: (name, value)
  • Lists: indexed

• Atomics

  • Symbol, String, Number, …

• Tags

  • App-level types, optional

• Filter Language

  • Predicates on events

• Human readable

• Embedded binary encodings

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