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What is the difference between access network, transport network and core network?

What is an access network aggregation network and what is a core network l?

closed as off-topic by Ron Trunk, rnxrx, Teun Vink Jul 2 '18 at 5:13

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    Ask your professor. This isn't a homework site. – Ron Trunk Jul 1 '18 at 12:47
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Take a look at Cisco's spine-leaf architecture - essentially the core network provides connectivity across the whole diameter while the access network provides end-user uplinks. The aggregation network is in between, providing sufficient port numbers between access and core.

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This link explains in detail the differences in the hierarchy of topologies http://ptgmedia.pearsoncmg.com/images/9781587133329/downloads/ch01.pdf

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    Please don't post link only answers and consider adding some more details to your own answer so it remains useful even when the linked URL is not available anymore. – Teun Vink Jul 2 '18 at 5:12

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