IoT WAN connects various network segments
Answers
A WAN is a network that uses various links – private lines, Multiprotocol Label Switching (MPLS), virtual private networks (VPNs), wireless (cellular), the Internet – to connect smaller metropolitan and campus networks in diverse locations into a single, distributed network.
Explanation:
The purposes of a WAN could include connecting branch offices or even individual remote workers with headquarters or the data center, in order to share corporate resources and communications.
WANs were built with meshed webs of private lines bought from telecommunications carriers, but WAN architectures have advanced to include packet-switched services such as frame relay and ATM as well as MPLS.
Certain types of traffic, the Internet can also be woven into the mix to provide less expensive WAN connections.
WAN optimization, used to make data transmissions more efficient, is important because WAN links can be expensive, so technologies have sprung up that reduce the amount of traffic crossing WAN links and ensure that it arrives efficiently.
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