An apparatus for optically circulating light beams between ports is disclosed, with a first port and third port positioned at a proximal end of the apparatus, a second port positioned at a distal end of the apparatus. The API layer may expose an interface to store a business object and an interface to retrieve the business object, and may transmit a request to store the business object and a request to retrieve the business object, and the cache layer may cache the business object and transmit the request to store the business object and the request to retrieve the business object. Execution packets include a plurality of instruction words that can be executed in parallel by two or more execution units.