on of BEEP (Blocks Extensible Exchange Protocol is a feature which permits you to enable either the NETCONF server or the NETCONF client for initiating a connection inside OF- Config) to a conventional protocol may require some changes in the specification or cooperative work with the IETF. EVOLUTION OF OPENFLOW Features of OpenFlow version 1.0 Single table Fixed 12 tuple match field Ingress Port Ethernet: source, destination, type, VLAN IPv4: source, destination, protocol, ToS(Type of Service) TCP/UDP: source port, destination port Features of OpenFlow version 1.1 Multiprotocol Label Switching (MPLS) Multi-label support Match on MPLS label, traffic class Actions on TTL (Time to Live) i.e., to set, copy-inward, copy- outward, decrement PUSH, POP actions on MPLS shim headers VLAN and QinQ tunnelling, Metadata Supports multiple levels of VLAN tagging Actions to set VLAN ID, priority iii. PUSH, POP actions to VLAN headers Downloaded: 4/15/2022 9:44:49 AM Nova Southeastern University IP Address: 137.52.76.29 Introduction to OpenFlow Figure 7. Evolution of OpenFlow versions OpenFlow 1.2 OpenFlow 1.4 First ONF release - fix1.1 Synchronized table More flexibility Bundles OpenFlow 1.0 Flexible match Optical ports Single table Flexible rewrite Flow monitoring Fixed 12 tuple match field Eviction Role change Default Port to 6653 Dec 2009 Feb 2011 Dec 2011 Apr 2012 Aug 2013 Jan 2015 OpenFlow 1.1 OpenFlow 1.3 OpenFlow 1.5 Multi-table Long term release: 1.3.1, 1.3.2, 1.3.3 Egress table Group table Flexible capabilities Packet Type Aware Pipeline Fixed 12 tuple match field Meters Event Filters Groups Group properties; Group ID, Group Type: all, select, indirect, fast- fallover, Counters Features of OpenFlo version 1.2 OpenFlow Extensible Match (OXM) IPv6: source, destination, flow label, ICMPv6 Match on source and destination address of IPv6 (prefix/arbitrary bitmask, IP DSCP, IPv6 flow label, IP ECN, IP protocol) Match on ICMPv6 type, code, ND target, ND source, and destination link layer Actions on TTL i.e., to set, copy-in, 