IP Library › Granted Patent US 12,368,629
Granted Patent B2
US 12,368,629 · App. 18/054,084 · Granted Jul 22, 2025

Network agent for reporting to a network policy system

Inventors: Hai Vu (San Jose, CA); Shih-Chun Chang (San Jose, CA); Varun Malhotra (Sunnyvale, CA); Shashi Gandham (Fremont, CA); Navindra Yadav (Cupertino, CA); Allen Chen (Mountain View, CA); Praneeth Vallem (San Jose, CA); Rohit Prasad (Sunnyvale, CA)
Assignee: Cisco Technology, Inc.
H04L41/046H04L41/0893H04L41/0894H04L41/0895
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Quick Facts
Patent No.
US 12,368,629
App. No.
18/054,084
Granted
Jul 22, 2025
Kind
B2
Abstract

The disclosed technology relates to a network agent for reporting to a network policy system. A network agent includes an agent enforcer and an agent controller. The agent enforcer is configured to implementing network policies on the system, access data associated with the implementation of the network policies on the system, and transmit, via an interprocess communication, the data to the agent controller. The agent controller is configured to generate a report including the data and transmit the report to a network policy system.

Claims (46)

1. A method comprising:

at a network policy platform of a network policy system, translating a statement of user intent of a network policy system user with respect to one or more network rules into a network policy, wherein the statement of user intent of the network policy system user is a high-level expression;

communicating via a network the network policy to a first frontend network policy module in networked communication with a first network agent, the first frontend network policy module and the first network agent in a first location, and communicating via the network the network policy to a second frontend network policy module in networked communication with a second network agent, the second frontend network policy module and the second network agent in a second location;

receiving, at the first network agent, a first network policy configuration message sent by the first frontend network policy module;

receiving, at the second network agent, a second network policy configuration message sent by the second frontend network policy module;

implementing, by the first network agent, the network policy for a first data flow from a first network entity, wherein implementing the network policy by the first network agent includes configuring the first network agent to take an action consistent with the network policy; and

implementing, by the second network agent, the network policy for a second data flow from a second network entity, wherein implementing the network policy by the second network agent includes configuring the second network agent to take an action consistent with the network policy.

2. The method of claim 1 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to redirect the first data flow.

3. The method of claim 1 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to allow the first data flow.

4. The method of claim 1 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to drop the first data flow.

5. The method of claim 1 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to load balance the first data flow.

6. The method of claim 1 , wherein translating the statement of user intent associated with the network policy system user with respect to the one or more network rules into the network policy further comprises transforming the network policy into a platform-independent format.

7. The method of claim 1 , wherein one of the first or second network policy configuration messages includes one or more changes in network agent configuration needed to enforce the policy.

8. The method of claim 1 further comprising converting one of the first or second network policy configuration messages into a platform-specific policy.

9. A non-transitory computer-readable medium containing instructions, which when interpreted by one or more processors on one or more computing hosts in a networked distributed system, cause the system to:

at a network policy platform, translate a statement of user intent of a network policy system user with respect to one or more network rules into a network policy;

communicate via a network the network policy to a first frontend network policy module in networked communication with a first network agent, the first frontend network policy module and the first network agent in a first location, and communicating via the network the network policy to a second frontend network policy module in networked communication with a second network agent, the second frontend network policy module and the second network agent in a second location;

receive, at the first network agent, a first network policy configuration message sent by the first frontend network policy module;

receive, at the second network agent, a second network policy configuration message sent by the second frontend network policy module;

implement, by the first network agent, the network policy for a first data flow from a first network entity, wherein implementing the network policy by the first network agent includes configuring the first network agent to take an action consistent with the network policy; and

implement, by the second network agent, the network policy for a second data flow from a second network entity, wherein implementing the network policy by the second network agent includes configuring the second network agent to take an action consistent with the network policy.

10. The computer-readable medium of claim 9 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to redirect the first data flow. the first data flow.

11. The computer-readable medium of claim 9 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to allow the first data flow.

12. The computer-readable medium of claim 9 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to drop the first data flow.

13. The computer-readable medium of claim 9 , wherein implementing the network policy for the first data flow from the first network entity includes configuring the first network agent to load balance the first data flow.

14. The computer-readable medium of claim 9 , further comprising instructions, which when executed in association with translating the statement of user intent associated with the network policy system user with respect to the one or more network rules into the network policy, further cause the system to transform the network policy into a platform-independent format.

15. The computer-readable medium of claim 9 , wherein one of the first or second network policy configuration messages includes one or more changes in network agent configuration needed to enforce the policy.

16. The computer-readable medium of claim 9 , further comprising instructions, which when executed, cause the system to convert one of the first or second network policy configuration messages into a platform-specific policy.

17. A system comprising a plurality of hosts, each host including a processor and a memory, arranged into an intent driven network management system, the system comprising:

a network policy platform;

a plurality of frontend policy modules in networked communication with the network policy platform;

a plurality of network agents, wherein each agent is in networked communication with a frontend policy module of the plurality of frontend policy modules; and

a plurality of network entities, each network entity associated with a network agent of the plurality of network agents,

wherein the plurality of network entities send and receive data flows,

wherein the network policy platform is configured to translate a statement of user intent of an intent driven network management system user with respect to one or more network rules into a network policy,

wherein the network policy platform communicates via a network the network policy to a first frontend network policy module of the plurality of frontend policy modules in networked communication with a first network agent of the plurality of network agents, and communicates via a network the network policy to a second frontend network policy module of the plurality of frontend policy modules in networked communication with a second network agent of the plurality of network agents,

wherein the first network agent is configured to receive a first message sent by the first frontend network policy module, the first message describing an action to take to implement the network policy,

wherein the second network agent is configured to receive a second message sent by the second frontend network policy module, the second message describing an action to take to implement the network policy,

wherein the first network agent implements the network policy for a first data flow from a first network entity of the plurality of network entities, and

wherein the second network agent implements the network policy for a second data flow from a second network entity of the plurality of network entities.

18. The intent driven network management system of claim 17 , wherein implementing the network policy for the first data flow from the first network entity includes redirecting the first data flow.

19. The intent driven network management system of claim 17 , wherein implementing the network policy for the first data flow from the first network entity includes allowing the first data flow.

20. The intent driven network management system of claim 17 , wherein implementing the network policy for the first data flow from the first network entity includes dropping the first data flow.

21. The intent driven network management system of claim 17 , wherein implementing the network policy for the first data flow from the first network entity includes load balancing the first data flow.

22. The intent driven network management system of claim 17 , wherein the network policy platform is further configured to transform the network policy into a platform-independent format.

23. The intent driven network management system of claim 17 , wherein the first network agent is further configured to convert the first policy message into a platform-specific policy as part of implementing the network policy for the first data flow.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 9, 2022
From: VU, HAI; CHANG, SHIH-CHUN; MALHOTRA, VARUN; GANDHAM, SHASHI; YADAV, NAVINDRA; CHEN, ALLEN; VALLEM, PRANEETH; PRASAD, ROHIT
To: CISCO TECHNOLOGY, INC.
Reel/Frame 061712/0333 →
Continuity (3)
Continuation 16999447 · Aug 21, 2020
Continuation 15469737 · Mar 27, 2017
Related Publication 20230147790A1 · May 11, 2023
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