Patent ID: 7921051

Claim:
A system in an electronic securities market, the system comprising: a processing device; main memory coupled to the processing device; and a first computer readable medium storing a computer program product, the computer program product comprising instructions to cause the processing device to: populate a configurable look-up table with assignment entries to assign each of a plurality of securities to one or more securities processors in the system, with each assignment determining which security processor will execute an order for that specific security, with the configurable look-up table including a specific entry table and a rule entry table and with the rule entry table including one or more id-range entries that assign a range of securities to a specific securities processor; access the configurable look-up table in response to receiving an order involving a specific security, with assignment entries in the configurable look-up table to determine which securities processor the specific security is assigned to; and send the received security order to the securities processor to which the specific security is assigned.