Monitoring these parameters on a continual basis can itself be resource intensive. Communication Cost Communication cost is another important metric. Some companies may not care about performance as much as they care about operating expenditures. Even though line delay might be longer, they will send packets over their own lines rather than through public lines that will cost money for usage time. Routed vs. Routing Protocols Confusion about the terms routed protocol and routing protocol is common.
Routed protocols are protocols that are routed over an internetwork.
Routing protocols are protocols that implement routing algorithms. Put simply, they route routed protocols through an internetwork. Routed and routing protocols are discussed in detail later in this publication.