Patent ID: 9460039
Filing Date: 2016-10-04
CPC Classification: G06F,H04L

Claim Text:
1. A method for processing transaction layer packets (TLPs), comprising: receiving, by a first IO tier switch, from a client, a TLP; making a first determination, by the first IO tier switch, that an address in the TLP is not associated with any multicast address range in the first IO tier switch; making a second determination, by the first IO tier switch, that the address in the TLP is not associated with any downstream port in the first IO tier switch; based on the first and second determinations, routing, by the first IO tier switch, the TLP to a first hub tier switch using a first link via a first upstream port on the first IO tier switch; receiving, by the first hub tier switch, the TLP at a first downstream port; making a third determination, by the first hub tier switch, that the TLP is associated with a first multicast group; based on the third determination: