Linux 3.7 Adds VXLAN for Software Defined Networking
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The Linux 3.7 kernel is now out providing open source operating system users with new ARM and virtual Software Defined Networking (SDN) capabilities
Linux 3.7 now includes full support for NFS v4.1 and experimental support for SMB v2.
While both NFS and SMB are long-standing and well-known protocols for enabling access across a physical LAN, Linux 3.7 also introduces support for the VXLAN virtual LAN tunneling protocol as well. VXLAN was first introduced at the VMworld 2011 conference and is currently going through the IETF for standardization. VXLAN is a layer 2 overlay over a Layer 3 network.
"The driver integrates a Virtual Tunnel Endpoint (VTEP) functionality that learns MAC-to-IP address mapping," Vyatta developers Stephen Hemminger wrote in his commit message.