Tesuto Inc.

Verizon Digital Media Services Inc.

Christopher William Bradley

Hossein Lotfi

Jayson G Sakata

Jayson Sakata

Localized and global detection and mitigation of network attacks in a distributed platform are provided. The localized detection identifies attacks occurring at individual nodes of the distributed platform based on packet analysis conducted by each individual node. The global detection identifies attacks occurring across the distributed platform based on packet analysis conducted on traffic aggregated from across the distributed platform. Either detection involves inspecting headers of the sampled packets. Each header property is scored based on an amount of deviation from threshold values. The sum of scores identifies the header properties that form an attack signature. Attack protections are implemented against subsequently arriving packets with header properties matching the attack signature.

Network attack mitigation based on distributed packet analysis

A replication of a physical network is created in the cloud. The replicated network safely validates configuration changes for any hardware network device of the physical network and the physical network end state resulting from the changes without impacting the physical network steady state. The replicated network creates virtual machines on hardware resources provisioned from the cloud. The virtual machines emulate network device functionality and have the same addressing as the network devices. Nested overlay networks reproduce the direct connectivity that exists between different pairs of the network devices on the virtual machines. A first overlay network formed by a first Virtual Extensible Local Area Network (VXLAN) provides direct logical connections between the cloud machines on which the virtual machines execute. A second overlay network of VXLANs leverages the first VXLAN to establish direct logical connections between the virtual machines that mirror the direct connections between the network devices.

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Lafayette, CA, United States of America

Christopher William Bradley