| http://www.w3.org/ns/prov#value | - Since Crossbow architecture is limited in differentiating the traffic based on layer 2, 3, and 4 headers only i.e. the VLAN tag, local mac address, local IP address, protocol, and ports; the functionality offered is a subset of exisiting QOS mechanism although it covers 90% of the use cases without any performance penalty.
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