Should you use a Gateway even if you don’t have servers in untrusted domains or workgroups? It depends πŸ˜‰

Gateways are licensed as per Management Servers so they don’t come cheap.

Michael Pearson has mentioned:
“Gateway Servers were never designed to be used to consolidate network traffic from Agents. We did some testing in-house, and discovered that we
can get some compression gains by using a Gateway Server at remote sites. So, this network optimization was some unintended functionality that is very useful in these type of environments.

As far as why this works, here’s a quick summary. Each Agent will compress its data when it sends it up to its parent Health Service (Gateway, Management Server, or Root Management Server that it reports to). You don’t get that much compression since it’s a relatively small amount of data. When you have a Gateway, it collects data from many Agents, and the compresses all of that data before sending to it’s parent Health Service (Management Server, or Root Management Server). So, we get some gains on the compression due to larger volumes of data that we are compressing together.”

Kevin Holman has also cautioned against too many Gateways:
Agents behind a gateway share config update request affinity to the upstream management server, so its very possible that agents behind a GW can take a long time for a config update, and therefore maintenance mode is often slow to take effect because of this.

  1. December 15, 2009 at 12:30 pm

    Has the GW licensing changed?
    I recall having a discussion with a licens-rep (from Microsoft) about licensing GW-servers with the conclusion that a GW-server is licensed as an MS only when it’s sole purpose is being a GW.
    If you deploy the GW-service on a Domain Controller or Exchange server the primary role would be “agent” and an agent license is required.

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