A logic system for resolving port contentions associated with memory-access requests in data packet routing is provided. The logic system comprises a determination logic for assessing and reporting port status of busy or not busy, a command mechanism for issuing commands contingent on determination results...http://www.google.de/patents/US7058065?utm_source=gb-gplus-sharePatent US7058065 - Method and apparatus for preventing undesirable packet download with pending read/write operations in data packet processing