A method, system and computer program product is provided which automatically detects multiprotocol encapsulation in a protocol data unit (PDU) to determine whether a Frame Relay/ATM service interworking function should operate in translation or transparent mode. A multiprotocol encapsulation detection...http://www.google.co.uk/patents/US6463477?utm_source=gb-gplus-sharePatent US6463477 - Detection of presence of multiprotocol encapsulation in a data packet
