[ovs-discuss] OVN vs Distributed vSwitches

Scott Lowe scott.lowe at scottlowe.org
Tue Dec 13 15:29:28 UTC 2016


Please see my response below.


> On Dec 13, 2016, at 4:08 AM, Shravan S K <sra9449 at gmail.com> wrote:
> 
> How is OVN related to distributed virtual switches like the VMware vNetwork distributed switch or the Cisco Nexus 1000V ?


OVN is intended to add network virtualization functionality to OVS. With network virtualization via OVN, you can build logical network topologies that are independent of the underlying physical network topology. Thus, you could create a logical switch (a logical L2 domain) that spans multiple L3 segments in the physical network (as an example). Distributed virtual switches such as the vSphere Distributed Switch or the Cisco Nexus 1000V do not have this functionality.

-- 
Scott



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