On 21/04/2014 17:52, Qin, Xiaohong wrote:
I was quickly scanning through this FAQ link,

https://raw.githubusercontent.com/openvswitch/ovs/master/FAQ

found this Q/A paragraph,

Q: I thought Open vSwitch was a virtual Ethernet switch, but the
    documentation keeps talking about bridges.  What's a bridge?

A: In networking, the terms "bridge" and "switch" are synonyms.  Open
    vSwitch implements an Ethernet switch, which means that it is also
    an Ethernet bridge.

In the physical network world, bridge and switch are two different gears, they 
are not synonyms.
I believe the FAQ is correct - a bridge and a switch are synonyms, in the physical world too.

Sometimes, people talk about a switch with two ports as being a bridge. But a two-port bridge is still a switch, and vice versa.

Otherwise, would you care to explain your point with some concrete examples?

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