Open vSwitch is a multilayer software switch licensed under the open
source Apache 2 license. Our goal is to implement a production
quality switch platform that supports standard management interfaces
-(e.g. NetFlow, sFlow, RSPAN, ERSPAN, IOS-like CLI), and opens the
+(e.g. NetFlow, sFlow(R), RSPAN, ERSPAN, IOS-like CLI), and opens the
forwarding functions to programmatic extension and control.
Open vSwitch is well suited to function as a virtual switch in VM