公开(公告)号：US10171507B2

公开(公告)日：2019-01-01

申请号：US15159379

申请日：2016-05-19

Applicant: Cisco Technology, Inc.

Inventor： Praveen Jain ,  Munish Mehta ,  Saurabh Jain ,  Yibin Yang

IPC: G06F21/00 ,  H04L29/06 ,  H04L12/931 ,  G06F9/455 ,  H04L12/713

Abstract: Microsegmentation in a heterogeneous software-defined network can be performed by classifying endpoints associated with a first virtualized environment into respective endpoint groups based on respective attributes, and classifying endpoints associated with a second virtualized environment into respective security groups based on respective attributes. Each respective endpoint group can correspond to a respective security group having the same attribute. Each respective endpoint group and corresponding security group can be associated with a respective policy model defining rules for processing associated traffic. Each of the respective security groups can be used to generate a respective network attribute endpoint group, which can include the network addresses of those endpoints in the respective security group. Each respective network attribute endpoint group can inherit the policy model of the respective endpoint group corresponding to the respective security group. Traffic between the endpoints can then be processed based on the various classifications and associated rules.

公开(公告)号：US20160352576A1

公开(公告)日：2016-12-01

申请号：US14809971

申请日：2015-07-27

Applicant: Cisco Technology, Inc.

Inventor： Joji Thomas Mekkattuparamban ,  Vijay Chander ,  Saurabh Jain ,  Van Lieu ,  Badhri Madabusi Vijayaraghavan ,  Praveen Jain ,  Munish Mehta ,  Michael R. Smith ,  Narender Enduri

IPC: H04L12/24

CPC classification number: H04L41/0893 ,  H04L41/0886 ,  H04L61/15 ,  H04L61/6022 ,  H04L63/101 ,  H04L63/104

Abstract: Systems, methods, and computer-readable storage media are provided for dynamically setting an end point group for an end point. An endpoint can be assigned a default end point group when added to a network. For example, the default end point group can be a baseline port/security group which is considered an untrusted group. The end point can then be dynamically assigned an end point group based on a set of group selection rules. For example, the group selection rules can identify an end point group based on the MAC address or other attributes. When the end point is added to the network, the MAC address and/or other attributes of the end point can be determined and used to assign an end point group. As another example, an end point group can be assigned based on the amount of traffic or guest operation system.

Abstract translation: 提供了系统，方法和计算机可读存储介质，用于动态设置端点的端点组。 当添加到网络时，端点可以被分配一个默认端点组。 例如，默认端点组可以是被认为是不可信组的基准端口/安全组。 然后可以基于一组组选择规则动态地为端点组分配端点组。 例如，组选择规则可以基于MAC地址或其他属性来识别端点组。 当终点被添加到网络中时，可以确定端点的MAC地址和/或其他属性，并用于分配端点组。 作为另一示例，可以基于流量或客户操作系统的数量来分配端点组。

公开(公告)号：US10931629B2

公开(公告)日：2021-02-23

申请号：US16236757

申请日：2018-12-31

Applicant: Cisco Technology, Inc.

Inventor： Vijay Chander ,  Yibin Yang ,  Praveen Jain ,  Munish Mehta

IPC: H04L29/12 ,  H04L12/46 ,  H04L12/751

Abstract: According to one or more embodiments of this disclosure, a network controller in a data center network establishes a translation table for in-band traffic in a data center network, the translation table resolves ambiguous network addresses based on one or more of a virtual network identifier (VNID), a routable tenant address, or a unique loopback address. The network controller device receives packets originating from applications and/or an endpoints operating in a network segment associated with a VNID. The network controller device translates, using the translation table, unique loopback addresses and/or routable tenant addresses associated with the packets into routable tenant addresses and/or unique loopback addresses, respectively.

公开(公告)号：US10581744B2

公开(公告)日：2020-03-03

申请号：US15367317

申请日：2016-12-02

Applicant: Cisco Technology, Inc.

Inventor： Munish Mehta ,  Saurabh Jain ,  Praveen Jain ,  Ronak K. Desai ,  Yibin Yang

IPC: H04L12/815 ,  H04L12/24 ,  H04L12/761 ,  H04L12/931 ,  H04L12/715 ,  H04L12/717 ,  H04L12/753

Abstract: Presented herein are traffic pruning techniques that define the pruning at the group level. A software defined network (SDN) controller determines first and second endpoint groups (EPGs) of an SDN associated with the SDN controller. The SDN runs on a plurality of networking devices that interconnect a plurality of endpoints that are each attached to one or more host devices. The SDN controller determines a host-EPG mapping for the SDN, as well as a networking device-host mapping for the SDN. The SDN controller then uses the host-EPG mapping, the networking device-host mapping, and one or more group-based policies associated with traffic sent from the first EPG to the second EPG to compute hardware pruning policies defining how to prune multi-destination traffic sent from the first EPG to the second EPG. The hardware pruning policies are then installed in one or more of the networking devices or the host devices.

公开(公告)号：US20190141010A1

公开(公告)日：2019-05-09

申请号：US16236757

申请日：2018-12-31

Applicant: Cisco Technology, Inc.

Inventor： Vijay Chander ,  Yibin Yang ,  Praveen Jain ,  Munish Mehta

IPC: H04L29/12 ,  H04L12/751 ,  H04L12/46

Abstract: According to one or more embodiments of this disclosure, a network controller in a data center network establishes a translation table for in-band traffic in a data center network, the translation table resolves ambiguous network addresses based on one or more of a virtual network identifier (VNID), a routable tenant address, or a unique loopback address. The network controller device receives packets originating from applications and/or an endpoints operating in a network segment associated with a VNID. The network controller device translates, using the translation table, unique loopback addresses and/or routable tenant addresses associated with the packets into routable tenant addresses and/or unique loopback addresses, respectively.

公开(公告)号：US20180159781A1

公开(公告)日：2018-06-07

申请号：US15367317

申请日：2016-12-02

Applicant: Cisco Technology, Inc.

Inventor： Munish Mehta ,  Saurabh Jain ,  Praveen Jain ,  Ronak K. Desai ,  Yibin Yang

IPC: H04L12/815 ,  H04L12/24 ,  H04L12/761 ,  H04L12/931

Abstract: Presented herein are traffic pruning techniques that define the pruning at the group level. A software defined network (SDN) controller determines first and second endpoint groups (EPGs) of an SDN associated with the SDN controller. The SDN runs on a plurality of networking devices that interconnect a plurality of endpoints that are each attached to one or more host devices. The SDN controller determines a host-EPG mapping for the SDN, as well as a networking device-host mapping for the SDN. The SDN controller then uses the host-EPG mapping, the networking device-host mapping, and one or more group-based policies associated with traffic sent from the first EPG to the second EPG to compute hardware pruning policies defining how to prune multi-destination traffic sent from the first EPG to the second EPG. The hardware pruning policies are then installed in one or more of the networking devices or the host devices.

公开(公告)号：US20180139150A1

公开(公告)日：2018-05-17

申请号：US15353093

申请日：2016-11-16

Applicant: Cisco Technology, Inc.

Inventor： Saurabh Jain ,  Vijay K. Chander ,  Vijayan Ramakrishnan ,  Ronak K. Desai ,  Praveen Jain ,  Munish Mehta ,  Yibin Yang

IPC: H04L12/919 ,  H04L12/24 ,  H04L12/26

CPC classification number: H04L47/765 ,  H04L41/0823 ,  H04L41/0896 ,  H04L41/12

Abstract: The techniques presented herein use dynamic endpoint group (EPG) binding changes to facilitate cross-tenant resource sharing. A first node of a multi-tenant software defined network determines that an application on a first endpoint has initiated operation and needs temporary access to resources located at a second endpoint. The first and second endpoints are associated with first and second tenants, respectively, that are logically segregated from one another by the software defined network. The first node dynamically changes an initial EPG binding associated with the first endpoint to a second EPG binding that enables the first endpoint to temporarily directly access the resources at the second endpoint. The first node subsequently determines that the application on the first endpoint no longer needs access to the resources located at a second endpoint and, as such, changes the second EPG binding associated with the first endpoint back to the initial EPG binding.

公开(公告)号：US20170346736A1

公开(公告)日：2017-11-30

申请号：US15208018

申请日：2016-07-12

Applicant: Cisco Technology, Inc.

Inventor： Vijay Chander ,  Yibin Yang ,  Praveen Jain ,  Munish Mehta

IPC: H04L12/741 ,  H04L12/46

CPC classification number: H04L45/745 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/74

Abstract: According to one or more embodiments of this disclosure, a network controller in a data center network establishes a translation table for in-band traffic in a data center network, the translation table resolves ambiguous network addresses based on one or more of a virtual network identifier (VNID), a routable tenant address, or a unique loopback address. The network controller device receives packets originating from applications and/or an endpoints operating in a network segment associated with a VNID. The network controller device translates, using the translation table, unique loopback addresses and/or routable tenant addresses associated with the packets into routable tenant addresses and/or unique loopback addresses, respectively.