On Aug 17, 2010, at 8:54 PM, 陈文龙 wrote: > In the paper, section 3, says > the support for GRE is essential in overcoming > the limitations VLANs face in larger deployments: the > number of available VLANs is limited (compared to the > size of many virtual environments), VLANs do not nest > well, and, as a link layer concept, VLANs do not extend > beyond LANs. > How do the support for GRE overcome the second problem?
I think that was mostly related to the first point, in that nesting VLANs is generally not sufficient for overcoming the limited VLAN id space. --Justin _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
