Patent ID: 11908013
Assignee: NASDAQ TECHNOLOGY AB
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A computerized exchange system, comprising:
a gateway;
a plurality of order book engines configured to:
receive via the gateway a plurality of electronic order entry messages, and
send the plurality of electronic order entry messages to a central sequencer that is coupled to the plurality of order book engines;

a central sequencer configured to:
receive the plurality of electronic order entry messages from the plurality of order book engines and assigning a time stamp to each of the plurality of electronic order entry messages;
place the received plurality of electronic order entry messages in a sequence according to the assigned time stamps;
send the plurality of electronic order entry messages to the plurality of order book engines;

a first order book engine of the plurality of order book engines, the first order book engine configured to:
receive the plurality of electronic order entry messages;
process the plurality of electronic order entry messages in the sequence, wherein the processing by the first order book engine includes creating order management data that comprises order acceptance, rejection, execution, or cancellation information; and
output the order management data;

a second order book engine of the plurality of order book engines, the second order book engine configured to:
receive the plurality of electronic order entry messages;
process, substantially in parallel to the processing by the first order book engine, the plurality of electronic order entry messages in the sequence, wherein the processing by the second order book engine includes creating market data, wherein the market data comprises order addition or modification information; and
output the market data.