Perhaps you could explain to the network engineer in http://www.experts-exchang
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Analogy of VSANs for a network engineer
How do you explain VSANs to someone who spends their time working on LANs and WANs?
In my experience network engineers know all about VLANs and because of the similarity in spelling they think VSANs are analogous to VLANs whereas I would say a zone is a storage equivalent to a VLAN.
Could a VSAN be considered equivalent to an Internet domain?
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by: meyersdPosted on 2009-09-20 at 14:32:36ID: 25379064
No - I think a VSAN is more akin to a branch office network - in Ethernet parlance, it's own broadcast and collision domain. The Cisco kit maintains a separate set of FC services for each VSAN, so it's behaving more like a separate network with a routed WAN link between.
The tricky bit with Ethernet guys in my experience, is them getting their heads around a layer 2 switching infrastructure with multiple paths and no spanning tree. The new Cisco Nexus kit is brilliant stuff, but it's converging the two management groups and practices and it's causing pain, because Ethernet constructs don't fit in the FC world.