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

Claim 0:
1. A method for processing electronic order entry messages, the method being performed on a computerized exchange including a gateway and comprising:
receiving, by a plurality of order book engines via the gateway, a plurality of electronic order entry messages;
sending, by the plurality of order book engines, the plurality of electronic order entry messages to a central sequencer that is coupled to the plurality of order book engines;
receiving, by the central sequencer, the plurality of electronic order entry messages from the plurality of order book engines and assigning, by the central sequencer, a time stamp to each of the plurality of electronic order entry messages;
placing, by the central sequencer, the plurality of electronic order entry messages in a sequence according to the assigned time stamps;
sending, by the central sequencer, the plurality of electronic order entry messages to the plurality of order book engines;
receiving, by a first order book engine of the plurality of order book engines and a second order book engine of the plurality of order book engines, the plurality of electronic order entry messages;
processing, by the first order book engine, 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;
outputting, by the first order book engine, the order management data;
processing, by the second order book engine, 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
outputting, by the second order book engine, the market data.