Patent ID: 9596129
Date: 2017-03-14
CPC Classifications: H04L,H04Q

Claim:
1. A communication system, including: a communication apparatus that forwards a packet according to control information set by a control apparatus; a first control apparatus that controls said communication apparatus by setting said control information in said communication apparatus; and a second control apparatus that operates in concert with said first control apparatus, said first control apparatus transmitting information necessary for interoperation between said first and second control apparatuses to said second control apparatus via said communication apparatus, wherein said information necessary for interoperation between said first control apparatus and said second control apparatus includes information for performing synchronization between said first control apparatus and said second control apparatus, wherein said communication apparatus is connected to each of said first control apparatus and said second control apparatus with a logical control channel such that the logical control channel for different control apparatuses is provided, and wherein said control information is transmitted to said communication apparatus as a smaller size message than said information necessary for interoperation between said first control apparatus and said second control apparatus.