Method and system to reduce wireless network packets for centralised layer two network

摘要

A method of operating a communication system, comprising the steps of: receiving a first OSI layer two packet from a first network interface; determining transmission type of the first OSI layer two packet; determining whether to send a second OSI layer two packet according to the transmission type, origin and destination of the first OSI layer two packet; determining destination address and transmission type of the second OSI layer two packet when determined to send the second OSI layer two packet; and sending the second OSI layer two packet through a second network interface when determined to send the second OSI layer two packet; wherein when the first OSI layer two packet is encapsulated in at least one layer three packet, the second OSI layer two packet is not encapsulated in any OSI layer three packet; and wherein when the first OSI layer two packet is not encapsulated in any Open Systems Interconnection (OSI) layer three packet, the second OSI layer two packet is encapsulated in at least one OSI layer three packet.

主权项

1. A method of operating a first communication system, comprising the steps of:
receiving a first Open Systems Interconnection (OSI) layer two packet from a first network interface; determining whether transmission type of the first OSI layer two packet is unicast, broadcast, or multicast transmission; determining whether destination address of the first OSI layer two packet is a predefined broadcast or multicast address; if the destination address of the first OSI layer two packet is a first predefined broadcast or multicast address, sending a second OSI layer two packet to the first predefined broadcast or multicast address according to predefined rules corresponding to the predefined broadcast or multicast address;
sending the second OSI layer two packet to the destination address if: (i) transmission type of the first OSI layer two packet is unicast, (ii) the destination address of the first OSI layer two packet is a predefined address, and/or (iii) the first OSI layer two packet had been encapsulated in a first OSI layer three packet which is received by the first communications system at a pre-defined port;if the destination address of the first OSI layer two packet is a broadcast or multicast address, and the broadcast or multicast address is not a predefined broadcast or multicast address: (i) converting the broadcast or multicast address to a first unicast address; (ii) sending the second OSI layer two packet to the first unicast address through a second network interface according to predefined rules; wherein content of the second OSI layer two packet is based on content of the first OSI layer two packet; wherein the predefined rules may be determined based on the origin of the first OSI layer two packet; and wherein when the first OSI layer two packet is encapsulated in an OSI layer three packet, the second OSI layer two packet is sent without being encapsulated in an OSI layer three packet; and wherein when the first OSI layer two packet is not encapsulated in any OSI layer three packet, the second OSI layer two packet is sent and encapsulated in at least one OSI layer three packet.