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• Ability to remotely disable and enable individual ports <br />• Support NetFlow or equivalent <br />1.3.4.5 Software Defined Networks (SDN) — An application in SDN that manages flow control to enable <br />intelligent networking. <br />1.3.4.6 Software Defined Networks (SDN) - Virtualized Switches and Routers — Technology utilized to <br />support software manipulation of hardware for specific use cases. <br />1.3.4.7 Software Defined Networks (SDN) — Controllers - is an application in software -defined <br />networking (SDN) that manages flow control to enable intelligent networking. SDN controllers are based <br />on protocols, such as OpenFlow, that allow servers to tell switches where to send packets. The SDN <br />controller lies between network devices at one end and applications at the other end. Any <br />communications between applications and devices have to go through the controller. The controller uses <br />multiple routing protocols including OpenFlow to configure network devices and choose the optimal <br />network path for application traffic. <br />1.3.4.8 Carrier Aggregation Switches — Carrier aggregation switches route traffic in addition to bridging <br />(transmitted) Layer 2/Ethernet traffic. Carrier aggregation switches' major characteristics are: <br />• Designed for Metro Ethernet networks <br />• Designed for video and other high bandwidth applications <br />• Supports a variety of interface types, especially those commonly used by Service Providers <br />Capabilities should include: <br />• Redundant Processors <br />• Redundant Power <br />• IPv4 and IPv6 unicast and multicast <br />• High bandwidth <br />• Low latency <br />• Hot swappable power supplies and fans <br />• MPLS (Multiprotocol Label Switching) <br />• BGP (Border Gateway Protocol) <br />• Software router virtualization and/or multiple routing tables <br />• Policy based routing <br />• Layer 2 functionality <br />o Per VLAN Spanning Tree <br />o Rapid Spanning Tree <br />o VLAN IDs up to 4096 <br />o Layer 2 Class of Service (IEEE 802.1p) <br />o Link Aggregation Control Protocol (LACP) <br />o QinQ (IEEE 802.1ad) <br />1.3.4.9 Carrier Ethernet Access Switches — A carrier Ethernet access switch can connect directly to the <br />customer or be utilized as a network interface on the service side to provide layer 2 services. <br />Page 7 of 11 <br />Attachment B <br />