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What device would you get if you took the features at layer 4 transport protocols and applied them to a switch?
Wiki User
∙ 13y ago
All of the decisions needed to route a packet to a destination can be done with a layer 3 device (a router), or a layer 2 device (a switch) if you are on the same segment.
There is really no need (from a pure functionality perspective) to ever unwrap a packet to that level until it is at the destination device. However there are plenty of reasons to unwrap packets do just this if we are looking at it from a security, or QOS perspective.
So devices that will do things at layer 4 are going to be things like firewalls, proxies, network monitoring tools, packet shaping devices, and the actual destination device itself.
Wiki User
∙ 13y ago
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