Transfer Syntax
{
type (notify),
content
{
type (stock-price price-change)
stock-symbol “HWP”
stock-price “$65”
exchange-name “NYSE”
},
system
{
source “quotes.nyse.com”
publication-id “id://nyse/57”
}
}
On-the-wire format
Structures
Maps: (name, value)
Lists: indexed
Atomics
Symbol, String, Number, ...
Filter Language
Predicates on events
Human readable
Easy to generate
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