Patent ID: 9219718
Filing Date: 2015-12-22
Classification: H04L

Abstract:
1. A system for supporting multiple domains in an InfiniBand (IB) fabric, comprising: a plurality of subnets, including a first subnet and a second subnet wherein the first subnet comprises a first subnet manager (SM), and the second subnet comprises a second subnet manager (SM); wherein the second subnet comprises a plurality of sub-subnets, including at least a first sub-subnet (SSN) and a second sub-subnet (SSN); wherein said first sub-subnet comprises a first sub-subnet gateway switch node and a first sub-subnet manager that is associated with a first unique management key, and a first SSN prefix attribute which separately identifies the second subnet and the first SSN; and wherein said second SSN comprises a second sub-subnet gateway switch node, and a second sub-subnet manager (SSM) associated with a second unique management key and a second SSN prefix attribute which separately identifies the second subnet and the second SSN.