公开(公告)号：US10341207B1

公开(公告)日：2019-07-02

申请号：US15967096

申请日：2018-04-30

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： David Rodrigues Pinheiro ,  Anu Mercian ,  Chinlin Chen

IPC: H04L12/26 ,  H04L12/825

Abstract: In some examples, a method is described. The method can, for example be performed by a network switch and can include receiving instructions to monitor a switch resource, monitoring time-series data for traffic received and transmitted by the switch, identifying peaks for the switch resource in a specified time period for the monitored data, comparing the identified peaks with data provided during a training phase to identify whether the monitored data includes an anomaly, and generating an alert when the data is identified as containing an anomaly.

公开(公告)号：US20190068598A1

公开(公告)日：2019-02-28

申请号：US15686552

申请日：2017-08-25

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Joon-Myung Kang ,  Mario Antonio Sanchez ,  Ying Zhang ,  Anu Mercian ,  Raphael Amorim Dantas Leite ,  Sujata Banerjee

IPC: H04L29/06 ,  G06F21/57

Abstract: Example method includes: receiving, by a network device, a plurality of input policy graphs and a composed policy graph associated with the input policy graphs; dividing the composed policy graph into a plurality of sub-graphs, each sub-graph comprising a plurality of edges and a plurality of source nodes and destination nodes that the edges are connected to; selecting a first subset of sub-graphs that include, as a source node, a disjoint part of an original source EPG for each input policy graph; identifying a second subset within the first subset of sub-graphs that include, as a destination node, a disjoint part of an original destination EPG for the each input policy graph; and verifying whether connectivity in the composed policy graph reflects a corresponding policy in the plurality of input policy graphs for each sub-graph in the second subset.

公开(公告)号：US20180205790A1

公开(公告)日：2018-07-19

申请号：US15406417

申请日：2017-01-13

Applicant: Hewlett Packard Enterprise Development LP

Inventor： Anu Mercian ,  Raphael Amorim Dantas Leite ,  Mario Antonio Sanchez ,  Joon-Myung Kang ,  Sujata Banerjee

IPC: H04L29/08 ,  H04L12/44

CPC classification number: H04L67/1097 ,  G06F16/278 ,  H04L41/085 ,  H04L41/0893

Abstract: Distributed data structures in a software defined networking (SDN) environment is disclosed. One example is a system including at least one processor and a memory storing instructions executable by the at least one processor to access a tree data structure located at a central node in the SDN environment, retrieve, at a local node of the network, a sub-tree of the data structure, the sub-tree determined based on a management policy associated with the local node or the central node, and cache sub-trees of the data structure at respective local nodes to generate a distributed data structure in the environment.