Big Virtual Switch is a data center network virtualization application that runs on Big Network Controller, the SDN controller for the Open Software-Defined Network (SDN). Open SDN is a product suite for network virtualization released in November of 2012 by Big Switch Networks.
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Big Virtual Switch enhances network agility by creating dynamic virtual network segments. The increased virtual machine (VM) density helps to keep data center costs to a minimum. According to Big Switch Networks, other notable features of Big Virtual Switch include:
- Creation of a unified network topology.
- Increases in VM density of up to 50 percent.
- Isolation of data center workload traffic into segments in a virtual network.
- Dynamic updating of virtual network segments.
- Utilization of tunneling to extend virtual network segments across multiple data centers.
- Support for overlapping address ranges in a multi-tenant environment.
- Support for more than 32,000 virtual network segments and more than 1000 switches.