Patent ID: 9596126
Date: 2017-03-14
CPC Classifications: G06F,H04L

Claim:
1. For a network control system that includes a plurality of host computers that execute a plurality of physical forwarding elements (PFEs) that collectively implement a plurality of logical forwarding elements (LFEs), a method of managing the LFEs comprising: defining a range of index values for different types of LFEs; identifying a plurality of controllers to manage the LFEs; generating a controller assignment list that associates each controller with at least one index value sub-range that contains at least one index value derivable from the identifier of at least one LFE; distributing the controller assignment list to host computers, wherein the host computers use the list to identify which controllers to request data necessary for effectuating a subset of the operations of the LFEs, wherein when first and second index values derived from first and second identifiers of first and second LFEs fall within a particular sub-range of index values, a controller associated with the particular index value sub-range manages both the first and second LFEs.