Aviatrix Systems, Inc.

A system and method for controlling the handling of intra-VPC and inter-VPC communications is described. First, a destination of a communication is determined it resides within a first virtual private cloud network (VPC) of a source of the communication. If so, filtering communications between the destination and the source is controlled by native cloud constructs associated with a cloud service provider (CSP) underlay network for the first public cloud network. Otherwise, filtering communication between the destination and the source is controlled by a spoke gateway. The spoke gateway is part of a cloud overlay network configured to provide a communication path between the first virtual private cloud network and the second private cloud network and using micro-segmentation to set and manage security policies.

A method for establishing a communication coupling within a cloud computing environment between a first gateway of a first virtual private cloud network deployed behind a firewall and a second gateway of a second virtual private cloud network is disclosed. The method includes operations of receiving, by the first gateway, a first controller message from a controller deployed within the cloud computing environment, the first controller message instructing the first gateway to transmit a first gateway message to the second gateway, transmitting, by the first gateway, the first gateway message to the second gateway, receiving, by the first gateway, a second gateway message from the second gateway, the second gateway message initiating a negotiation to establish a first tunnel between the first gateway and the second gateway in accordance with a first security protocol, and completing, by the first gateway, the negotiation thereby causing establishment of the first tunnel.

A computerized method for restricting communications between virtual private cloud networks comprises creating a plurality of security domains. Each of the plurality of security domains identifies gateways associated with one or more virtual private cloud networks. Also, the method features generating transit routing data stores in accordance with each of the plurality of security domains; determining whether a connection policy exists between at least a first security domain and a second security domain of the plurality of security domains; and precluding communications between gateways associated with the first security domain and gateways associated with the second security domain in response to determining that no connection policy exists between the first security domain and the second security domain.

According to one embodiment, a network device may be adapted to operate within a virtual private cloud where network address translation (NAT) is performed through virtual machines and each network address translation is handled differently by a different NAT control logic unit. The network device features one or more hardware processors, and a memory that stores at least a plurality of network address translation (NAT) control logic unit and demultiplexer logic. The demultiplexer logic, when executed, receives an incoming message and, based at least in part on information within the incoming message, determines a selected NAT control logic unit to receive at least a portion of the information within the incoming message. The selected NAT control logic unit handles address translation for routing of a message based on the incoming message to a public network.

In one embodiment, a computing platform features a controller, one or more transit virtual private cloud networks (VPCs), and a plurality of spoke VPCs. Communicatively coupled to the transit virtual VPCs, the spoke VPCs include (i) a first spoke VPC associated with a first security region and (ii) a second spoke VPC associated with a second security region. Herein, the first security region is configured to permit spoke gateways of the first spoke VPC to communicate with each other while precluding communications with spoke gateways associated with another security region absent a connectivity policy being a set of rules established by the administrator/user of the network concerning permitted connectivity between different security regions.

A computerized method for establishing a secure channel between a virtual private network (VPN) client processing on a network device for a user and a network gateway is disclosed. The computerized method includes operations of the controller of transmitting an authentication request to an identity provider based on receipt of a resource request from the VPN client, receiving an authentication response from the identity provider, generating an authentication token based on the authentication response and transmitting the authentication token to the VPN client, wherein the controller further stores the authentication token. The method includes operations of the network gateway of receiving a secure connection request from the VPN client that includes the authentication token, validating the authentication token by querying the controller, in response to validation of the authentication token, establishing the secure connection with VPN client, and providing the VPN client with access to resources via the secure connection.

A network architecture including a layered transit virtual private cloud network and interface logic that controls the egress and ingress of messages between the transit VPC and an on-premises network. First, the layered transit VPC includes a first transit gateway cluster communicatively coupled to one or more spoke VPCs for receipt of messages from cloud instances and a second transit gateway cluster communicatively coupled to the on-premises network. The layered transit VPC supports increased scalability for the spoke VPCs. Second, the interface logic is configured to operate in concert with a gateway cluster that controls operability of a router by at least controlling propagation of messages into or from the on-premises network via one or more selected gateways forming the gateway cluster.

In an embodiment, a secure object transfer system is described. The system features a virtual private cloud network (VPC) and a controller. The VPC includes a plurality of gateways and a network load balancer, which configured to conduct a load balancing scheme on access messages from computing devices deployed within an on-premises network to direct the access memory to one of the plurality of gateways for storage or retrieval of an object from a cloud-based storage element. Each gateway includes filtering logic to restrict access of the computing devices to certain cloud-based storage elements in accordance with a security policy. The controller is configured to maintain and update the security policy utilized by each gateway of the plurality of gateways.

In one embodiment, a computing platform features a controller in communication with one or more virtual private cloud networks, including a first virtual private cloud network (VPC). The virtual private cloud network includes at least a first egress filtering gateway configured to filter egress traffic data received from a first gateway and route the filtered egress traffic data to a public network in accordance with a first set of filter rules. The first set of filter rules are included as part of a first security policy provided by the controller.

A system for facilitating communications between client devices in geographically separated networks is described. First, message monitoring is conducted by each of a plurality of virtual appliances within a local network to detect a message of a first message type. Responsive to failing to locate a Media Access Control (MAC) address of a destination for the message within a prescribed table by a default gateway, one of the plurality of virtual appliances is selected for handling a forwarding of the message to a plurality of remote networks, and the message via the selected virtual appliance is forwarded to a plurality of gateways associated with a plurality of remote networks. Responsive to locating the MAC address of the destination within the table, the virtual appliance previously handling communications with the destination to forward the message to the destination.