The system provides an IP network card that comprises a redundancy configuration register; an interface; and redundancy mapping logic. The redundancy configuration register stores card configuration data. The interface receives slot active signals from other cards. The redundancy mapping logic is communicatively...http://www.google.com.au/patents/US6947375?utm_source=gb-gplus-sharePatent US6947375 - System and method for network card switchovers in an IP network
