How do open standards provide value to network customers?

A.
Open standards allow organizations to flatten the network architecture and move from a threetier network to two-tier or even one-tier network.

B.
Open standards increase interoperability, helping organizations migrate from a legacy network
to a more flexible network architecture.

C.
Open standards establish requirements for implementing converged networks, helping
organizations implement cloud solutions.

D.
Open standards automate network management, reducing overall management costs.