420 SAN Multiprotocol Routing: An Introduction and Implementation
15.1 The planning checklist
When planning to introduce a SAN router to your environment, consider the
following areas:
Determine the amount of data you want to transfer among your
interconnected fabrics. How much data of the total amount will change over a
specific period of time? You need this information to size your link properly.
Determine the wide area network (WAN) link type, its quality, and the number
of independent paths of that link. Is it a shared or dedicated link? If it is
shared, what other applications use this link? The best practice is to use
dedicated links where possible; a shared link with a quality of service (QoS)
mechanism is considered to be second