NetVirt is a network virtualization solution that includes the following components as well as others: Open vSwitch based virtualization for software switches, Hardware VTEP for hardware switches, Service Function Chaining support within a virtualized environment, support for OVS and DPDK-accelerated OVS data paths, L3VPN (BGPVPN), EVPN, ELAN, distributed L2 and L3, NAT and Floating IPs, IPv6, Security Groups, MAC and IP learning.

Major Features Delivered in Oxygen

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• IPv6 L3VPN enhancements for North-South and external connectivity using BGPVPNs
• ACL support for protocols that are not supported by conntrack
• COE Netvirt Integration support for kubernetes
• Better SFC integration
• Neutron Port Allocation for ODL based DHCP Service
• SR-IOV Hardware Offload for OVS
• Weighted NAPT Selection
• Support for compute node scale in and scale out functionality
• Migration to automatically configured full-mesh of VxLAN tunnels
• Upgrade Support based on configuration replay
• Adoption of cache utilities from infrautils
• Adoption of auto-retrying JobCoordinator utility from infrautils
• Adoption of ManagedNewTransactionRunner utility from genius
• Integration with Status & Diagnostics framework from infrautils
• Support for FCAPs with integration of metrics utility from infrautils
• Integrated support for creation of MPLS/GRE tunnels from OVS 2.8 for L3VPNs

Quality Improvements

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• Considerable increase in CSIT coverage and reliability
  • CSIT cleanup to make tests more reliable
  • Include more scenarios: external networks, PNF's, IPv6, SNAT, L3VPNs
• General code cleanup
  • Adopt better transaction handling patterns
  • Memory leak cleanup
  • Better exception handling

Scale Improvements

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•  Support for 150 nodes, using GENIUS effort of decoupling tunnel manager (ITM) from interface manager (IFM) (WIP- SR1)