I'm in the process of redesigning my SAP landscape. My predecessors (several) created 2 internal private subnets. The first (10.1.1.x) is only for server to server traffic between the Application Servers and the DB server. The 2nd (192.168.1.x) is for all user traffic. This includes users to App. Servers, as well as File Server, Exchange, DNS, etc.)
I'm in teh process of upgrading all the SAP servers with new hardware. I'm at a cross roads where I'm trying to decide to maintain the existing seperate subnet for server SAP traffic. This is going to require additional switches and increase complecity somewhat.
Does anyone know if seperate subnets for server traffic is really necessary? IS there any appreciable performance gain by keepingthe traffic seperate? Would you expect to see any appreciable performance decrease by going with a single subnet?
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