Abstract: Routing of a traffic in a fabric network may be provided. A first traffic may be received at a first node. It may be determined that the first traffic is coming from a provider virtual network. In response to determining that the first traffic is coming from the provider virtual network, it may be determined that a first subnet associated with the first traffic is associated with a subscriber virtual network. In response to determining that the first subnet associated with the first traffic is associated with the subscriber virtual network, a first virtual network associated with the first traffic may be changed to the subscriber virtual network. A lookup for the first traffic may be changed to a first virtual routing and forwarding of the subscriber virtual network.

Abstract: This technology enables normalized lookup and forwarding for diverse virtual private networks in multi-site network fabric deployments. A source device on a first Layer 2 site transmits a frame to a destination device on the same subnet, but on a second Layer 2 site. The frame is encapsulated and routed to a fabric border node. The fabric border node matches the source subnet to the destination subnet and transmits an address request protocol (“ARP”). In response to not receiving a reply to the ARP, the fabric border node transmits a map request to a Layer 3 transit fabric control plane node. The control plane node extracts a destination identifier from the map request and determines that the destination identifier is a Layer 2 identifier. The control plane node transmits a map reply to the fabric border node, where the frame is re-encapsulated and forwarded to the destination device.

Abstract: A mapping system, under administrative control of a Wide Area Network (WAN) controller, can track each host, authorized to access a plurality of Local Area Networks (LANs), in one or more mapping databases including a first network address representing an identifier and a second network addressing representing a locator for each host. The mapping system can receive a request for resolution of a first identifier of a host not presently connected to the network. The mapping system can determine the mapping databases exclude a mapping for the first identifier. The mapping system can update the mapping databases with a first mapping including the first identifier and a first locator corresponding to a honeypot network device. The mapping system can transmit, to one or more LANs of the plurality of LANs, routing information to route traffic destined for the first identifier to the honeypot network device.

Abstract: In one embodiment, a method comprises receiving traffic to send from a router to a host in the fabric edge network, wherein the fabric edge network comprises a plurality of switches and an inter-switch link (ISL); and sending the traffic from the router to the host via at least one of the switches based on the downlink connectivity of the host. Sending the traffic from the router to the host is performed without sending the traffic through the ISL. Sending the traffic from the router to the host comprises sending the traffic through the ISL when there is a link failure on a path between the router and the host.

Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.

Abstract: Systems and methods provide for algorithmic problem identification and resolution in fabric networks by software defined operation, administration, and maintenance.

Abstract: The disclosed technology relates to a process for zero touch provisioning to provide cloud enablement of legacy computing devices. Specifically, the disclosed technology provides the ability to automate the process of connecting computing devices that may not originally have the capabilities to connect to the Internet so that the computing devices can be managed by a cloud network or be provided updates by the cloud network. The cloud enablement for computing devices is performed by modifying the computing device with hardware and software that would direct the computing device to establish secure communications with the cloud network without user involvement.

Abstract: This technology enables directed broadcasts in network fabrics. To enable a directed broadcast, a control plane node is configured to resolve directed broadcast addresses by mapping the directed broadcast address to a subnet address associated with the network fabric. A fabric border node receives a directed broadcast, extracts a destination address associated with the directed broadcast, and transmits a request to the control plane node to resolve the destination address. The control plane node retrieves the stored mapping and generates a map reply to the fabric border node with a multicast destination comprising the network fabric subnet address. The fabric border node encapsulates the directed broadcast with a header comprising the multicast destination and forwards the encapsulated directed broadcast to fabric edge nodes, which decapsulate the directed broadcast and deliver a data set from the directed broadcast to appropriate end point devices.

Abstract: Presented herein are techniques to provide an endpoint in a multi-site Software-defined network (SDN) fabric with an Internet access route that is optimal for the specific site in which the endpoint is located. In particular, a control plane node in a first site of a multi-site SDN fabric registers a border node in the first site as a Default Egress Tunnel Router (ETR) for Internet access or unknown endpoint identifier (EID) of the first site. The first site includes at least one endpoint. The control plane node receives a request for Internet access for the at least one endpoint and provides a dynamically-selected Internet access route via a same or different virtual instance (e.g., Virtual Routing and Forwarding (VRF) function(s), Virtual Private Network(s) (VPNs), Virtual Networks (VNs), etc.) for Internet traffic sent by the at least one endpoint.

Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.

Abstract: Systems, methods, and computer-readable media for discovering silent hosts in a software-defined network and directing traffic to the silent hosts in a scalable and targeted manner include determining interfaces of a fabric device that are connected to respective one or more endpoints, where the fabric device is configured to connect the endpoints to a network fabric of the software-defined network. At least a first interface is identified, where an address of a first endpoint connected to the first interface is not available at the fabric device. A first notification is transmitted to a control plane of the software-defined network based on identifying the first interface, where the control plane may create a flood list which includes the fabric device. Traffic intended for the first endpoint from the network fabric is received by the fabric device can be based on the flood list.

Abstract: Systems, methods, and computer-readable storage media are provided for provisioning a common subnet across a number of subscribers and their respective virtual networks using dynamically generated network policies that provide isolation between the subscribers. The dynamic generation of the network policies is performed when a host (e.g. client) is detected (via a switch) as the host joins the computing network via virtual networks. This ability to configure a common subnet for all the subscriber virtual networks allows these subscribers to more easily access external shared services coming from a headquarter site while keeping the separation and segmentation of multiple subscriber virtual networks within a single subnet. This allows the Enterprise fabric to be more simple and convenient to deploy without making security compromises.

Abstract: In one embodiment, a method is performed at a controller of a fabric that is connected to a first seed device in the fabric. The method includes obtaining a connectivity graph of the fabric including the first seed device. The method further includes causing the first seed device to send a first request to a first neighboring device in the connectivity graph via a first interface of the first seed device connectable to the first neighboring device. The method also includes assigning fabric component properties to devices in the fabric based at least in part on a first message from the first seed device, where the first seed device generates the first message based at least in part on a first response from the first neighboring device received via the first interface. The method additionally includes converting the first neighboring device to a second seed device in the fabric.

Abstract: Systems, methods, and computer-readable media for communicating policy changes in a Locator/ID Separation Protocol (LISP) based network deployment include receiving, at a first routing device, a first notification from a map server, the first notification indicating a change in a policy for LISP based communication between at least a first endpoint device and at least a second endpoint device, the first endpoint device being connected to a network fabric through the first routing device and the second endpoint device being connected to the network fabric through a second routing device. The first routing device forwards a second notification to the second routing device if one or more entries of a first map cache implemented by the first routing device are affected by the policy change, the second notification indicating a set of one or more endpoints connected to the second routing device that are affected by the policy change.

Abstract: Presented herein are techniques to provide an endpoint in a multi-site Software-defined network (SDN) fabric with an Internet access route that is optimal for the specific site in which the endpoint is located. In particular, a control plane node in a first site of a multi-site SDN fabric registers a border node in the first site as a Default Egress Tunnel Router (ETR) for Internet access or unknown endpoint identifier (EID) of the first site. The first site includes at least one endpoint. The control plane node receives a request for Internet access for the at least one endpoint and provides a dynamically-selected Internet access route via a same or different virtual instance (e.g., Virtual Routing and Forwarding (VRF) function(s), Virtual Private Network(s) (VPNs), Virtual Networks (VNs), etc.) for Internet traffic sent by the at least one endpoint.

Abstract: An enterprise controller of an enterprise network sends to a service gateway of a service provider network a request for network slice information about network slices provisioned on a data plane of the service provider network. Responsive to the sending, the enterprise controller receives from the service gateway the network slice information including identifiers of and properties associated with the network slices. Responsive to receiving a request for the network slice information from a network device at a border of a forwarding plane of the enterprise network, the enterprise controller sends the network slice information to the network device to cause the network device to perform configuring network traffic in the forwarding plane with identifiers of ones of the network slices that match the network traffic, and to perform forwarding the network traffic configured with the identifiers to the data plane of the service provider network.

Abstract: Distributed packet capture for network anomaly detection may be provided. An anomaly may be detected at a first network device of a plurality of network devices. One or more target network devices of the plurality of network devices may be identified based on a property associated with the anomaly. A set of packets may be received from the one or more target network devices. A source of the anomaly may be determined based on the received set of packets.

Abstract: Systems, methods, and computer-readable storage media are provided for provisioning a common subnet across a number of subscribers and their respective virtual networks using dynamically generated network policies that provide isolation between the subscribers. The dynamic generation of the network policies is performed when a host (e.g. client) is detected (via a switch) as the host joins the computing network via virtual networks. This ability to configure a common subnet for all the subscriber virtual networks allows these subscribers to more easily access external shared services coming from a headquarter site while keeping the separation and segmentation of multiple subscriber virtual networks within a single subnet. This allows the Enterprise fabric to be more simple and convenient to deploy without making security compromises.

Abstract: The present technology pertains to a system, method, and non-transitory computer-readable medium for orchestrating policies across multiple networking domains. The technology can receive, at a provider domain from a consumer domain, a data request; receive, at the provider domain from the consumer domain, at least one access policy for the consumer domain; translate, at the provider domain, the at least one access policy for the consumer domain into at least one translated access policy understood by the provider domain; apply, at the provider domain, the at least one translated access policy understood by the provider domain to the data request; and send, at the provider domain to the consumer domain, a response to the data request.

Abstract: An enterprise controller of an enterprise network sends to a service gateway of a service provider network a request for network slice information about network slices provisioned on a data plane of the service provider network. Responsive to the sending, the enterprise controller receives from the service gateway the network slice information including identifiers of and properties associated with the network slices. Responsive to receiving a request for the network slice information from a network device at a border of a forwarding plane of the enterprise network, the enterprise controller sends the network slice information to the network device to cause the network device to perform configuring network traffic in the forwarding plane with identifiers of ones of the network slices that match the network traffic, and to perform forwarding the network traffic configured with the identifiers to the data plane of the service provider network.