Granted Patent B2

US 12,401,634 · App. 18/467,350 · Granted Aug 26, 2025

Inventors: Burak Uzun (London, GB); Mauruthi Geetha Mohan (Seattle, WA); Saranya Mani (Coventry, GB); Geetha Ravi (England, GB)

Assignee: Oracle International Corporation

H04L63/0823H04L63/104

Abstract

Claims (111)

1. One or more non-transitory computer readable media comprising instructions which, when executed by one or more hardware processors, causes performance of operations comprising:

detecting a trigger condition to distribute a first certificate bundle comprising a first set of one or more certificate authority certificates;

determining, for each particular network entity of a plurality of network entities associated with a computer network, a fault domain associated with the particular network entity, from among a plurality of fault domains associated with the computer network,

wherein each particular fault domain, of the plurality of fault domains, represents at least one single point of failure;

partitioning the plurality of network entities into a plurality of certificate distribution groups based on a set of one or more partitioning criteria,

wherein the set of one or more partitioning criteria comprises the fault domain associated with the particular network entity, and

wherein each particular certificate distribution group, of the plurality of certificate distribution groups, comprises a particular subset of network entities, of the plurality of network entities,

wherein the particular subset of network entities is associated with a particular single point of failure corresponding to a particular fault domain of the plurality of fault domains;

selecting a first certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the first certificate distribution group comprises a first subset of network entities that is associated with a first fault domain of the plurality of fault domains;

transmitting the first certificate bundle to the first subset of network entities.

2. The media of claim 1 , wherein the first subset of network entities is not associated with a second fault domain of the plurality of fault domains.

3. The media of claim 2 , wherein at least a first network entity, of the first subset of network entities, performs a first service with respect to the first fault domain, and wherein at least a second network entity, of a second subset of network entities, performs the first service with respect to the second fault domain.

4. The media of claim 1 , wherein the fault domain of each particular network entity is determined based on metadata associated with each particular network entity, wherein the metadata comprises a fault domain attribute identifying the fault domain corresponding to the particular network entity,

wherein for a first network entity of the first subset of network entities, a first metadata element comprises a first fault domain attribute, wherein the first fault domain attribute identifies the first network entity as corresponding to the first fault domain.

5. The media of claim 1 , wherein the operations further comprise:

determining, for each particular network entity of the plurality of network entities, a resource group associated with the particular network entity, from among a plurality of resource groups associated with the computer network,

wherein each particular resource group, of the plurality of resource groups, represents at least one of: an attribute, a functionality, or a purpose,

wherein the set of one or more partitioning criteria comprises the resource group associated with the particular network entity,

wherein the first subset of network entities of the first certificate distribution group is associated with a first resource group of the plurality of resource groups.

6. The media of claim 5 , wherein the resource group of each particular network entity is determined based on metadata associated with each particular network entity, wherein the metadata comprises a resource group attribute identifying the resource group corresponding to the particular network entity,

wherein for a first network entity of the first subset of network entities, a first metadata element comprises a first resource group attribute, wherein the first resource group attribute identifies the first network entity as corresponding to the first resource group.

7. The media of claim 5 , wherein the operations further comprise:

selecting a second certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the second certificate distribution group comprises a second subset of network entities corresponding to a second fault domain of the plurality of fault domains;

subsequent to transmitting the first certificate bundle to the first subset of network entities, transmitting the first certificate bundle to the second subset of network entities.

8. The media of claim 7 , wherein the second subset of network entities of the second certificate distribution group corresponds to the first resource group of the plurality of resource groups.

9. The media of claim 7 , wherein the operations further comprise:

subsequent to transmitting the first certificate bundle to the first subset of network entities, determining a distribution metric with respect to distribution of the first certificate bundle to the first subset of network entities;

determining that the distribution metric meets a distribution criterion; and

responsive to the distribution metric meeting the distribution criterion, transmitting the first certificate bundle to the second subset of network entities.

10. The media of claim 9 ,

wherein the distribution metric comprises an error count associated with transmitting the first certificate bundle to the first subset of network entities, the error count indicative of a number or a proportion of network entities from among the first subset of network entities with respect to which an error event associated with the first certificate bundle occurs during a verification period; and

wherein the distribution criterion comprises the error count remaining below a threshold during the verification period.

11. The media of claim 9 ,

wherein the distribution metric comprises a distribution count associated with transmitting the first certificate bundle to the first subset of network entities, the distribution count indicative of a number or a proportion of network entities from among the first subset of network entities with respect to which a distribution indicator indicates a successful distribution of the first certificate bundle; and

wherein the distribution criterion comprises the distribution count meeting a threshold.

12. The media of claim 5 , wherein the operations further comprise:

selecting a second certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the second certificate distribution group comprises a second subset of network entities corresponding to a second resource group of the plurality of resource groups;

subsequent to transmitting the first certificate bundle to the first subset of network entities, transmitting the first certificate bundle to the second subset of network entities.

13. The media of claim 12 , wherein the second subset of network entities of the second certificate distribution group corresponds to the first fault domain of the plurality of fault domains.

14. The media of claim 13 , wherein the operations further comprise:

selecting a third certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the third certificate distribution group comprises a third subset of network entities corresponding to a second fault domain of the plurality of fault domains;

subsequent to transmitting the first certificate bundle to the second subset of network entities, transmitting the first certificate bundle to the third subset of network entities.

15. The media of claim 14 , wherein the third subset of network entities of the third certificate distribution group corresponds to the first resource group of the plurality of resource groups.

16. The media of claim 5 , wherein the operations further comprise:

subsequent to transmitting the first certificate bundle to the first subset of network entities, transmitting the first certificate bundle to one or more additional certificate distribution groups of the plurality of certificate distribution groups;

determining a second subset of one or more network entities, associated with the computer network, that are excluded from the plurality of certificate distribution groups,

determining, for each particular network entity of the second subset of one or more network entities, a particular aft-distribution group from among a plurality of aft-distribution groups based on the particular fault domain of the particular network entity,

selecting a first aft-distribution group, of the plurality of aft-distribution groups, for distribution of the first certificate bundle, wherein the first aft-distribution group comprises a first subgroup of network entities corresponding to the first fault domain of the plurality of fault domains;

transmitting the first certificate bundle to the first subgroup of network entities.

17. The media of claim 1 , wherein the operations further comprise:

determining, based on one or more pre-distribution criteria, a subgroup of one or more network entities, of the plurality of network entities, corresponding to a pre-distribution group; and

prior to transmitting the first certificate bundle to the first subset of network entities:

transmitting the first certificate bundle to the subgroup of one or more network entities of the pre-distribution group; and

determining a successful distribution of the first certificate bundle with respect to the pre-distribution group.

18. The media of claim 1 , wherein the operations further comprise:

selecting a second certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the second certificate distribution group comprises a second subset of one or more network entities corresponding to a second fault domain of the plurality of fault domains;

subsequent to transmitting the first certificate bundle to the first subset of network entities:

detecting a second trigger condition to transmit the first certificate bundle to the second subset of one or more network entities, wherein the second trigger condition comprises at least one of:

a time interval having elapsed subsequent to transmitting the first certificate bundle to the first subset of network entities, or

a release phase for releasing the first certificate bundle to the second subset of one or more network entities having commenced; and

responsive to detecting the second trigger condition, transmitting the first certificate bundle to the second subset of one or more network entities.

19. The media of claim 1 , wherein the operations further comprise:

determining, for each particular network entity associated with at least one of the plurality of certificate distribution groups, a particular certificate distribution subgroup, from among a plurality of certificate distribution subgroups, corresponding to the particular network entity,

wherein the particular certificate distribution subgroup is determined based on a network address of the particular network entity, at least by applying a randomization function to the network address of the particular network entity,

wherein each particular certificate distribution subgroup comprises a particular subgroup of network entities;

selecting a first certificate distribution subgroup, of the plurality of certificate distribution subgroups, for distribution of the first certificate bundle, wherein the first certificate distribution subgroup comprises a first subgroup of network entities;

selecting a second certificate distribution subgroup, of the plurality of certificate distribution subgroups, for distribution of the first certificate bundle, wherein the second certificate distribution subgroup comprises a second subgroup of network entities;

wherein transmitting the first certificate bundle to the first subset of network entities comprises:

transmitting the first certificate bundle to the first subgroup of network entities; and

subsequent to transmitting the first certificate bundle to the first subgroup of network entities, transmitting the first certificate bundle to the second subgroup of network entities.

20. The media of claim 1 , wherein the computer network comprise a plurality of availability domains respectively representing a physically separate portion of the computer network with respect to a set of one or more failure modes,

wherein each of the plurality of network entities is associated with a particular set of one or more failure modes corresponding to a particular availability domain of the plurality of availability domains:

wherein the operations further comprise:

determining, for each particular network entity of the plurality of network entities, the particular availability domain associated with the particular network entity, and a particular certificate distribution class, from among a plurality of certificate distribution classes, corresponding to the particular availability domain of the particular network entity;

selecting a first certificate distribution class, of the plurality of certificate distribution classes, for distribution of the first certificate bundle, wherein the first certificate distribution class comprises a first set of network entities corresponding to a first availability domain of the plurality of availability domains, wherein the first set of network entities comprise the first subset of network entities;

selecting a second certificate distribution class, of the plurality of certificate distribution classes, for distribution of the first certificate bundle, wherein the second certificate distribution class comprises a second set of network entities corresponding to a second availability domain of the plurality of availability domains,

transmitting the first certificate bundle to the first set of network entities;

subsequent to transmitting the first certificate bundle to the first set of network entities, transmitting the first certificate bundle to the second set of network entities.

21. The media of claim 1 ,

wherein partitioning the plurality of network entities into of the plurality of certificate distribution groups comprises:

receiving, from a first network entity associated with the computer network, a first request for certificate bundle distribution;

determining, based at least in part on a distribution schedule for distributing the first certificate bundle a first release phase for releasing the first certificate bundle for distribution to the first certificate distribution group,

wherein the first release phase has commenced prior to having received the first request;

wherein selecting the first certificate distribution group comprises:

selecting the first certificate bundle for distribution to the first network entity based at least in part on the first release phase having commenced prior to receiving the first request; and

wherein transmitting the first certificate bundle to the first subset of network entities comprises:

transmitting the first certificate bundle to the first network entity.

22. The media of claim 1 , wherein the computer network comprises a virtual cloud network.

23. A method, comprising:

detecting a trigger condition to distribute a first certificate bundle comprising a first set of one or more certificate authority certificates;

determining, for each particular network entity of a plurality of network entities associated with a computer network, a fault domain associated with the particular network entity, from among a plurality of fault domains associated with the computer network,

wherein each particular fault domain, of the plurality of fault domains, represents at least one single point of failure;

partitioning the plurality of network entities into a plurality of certificate distribution groups based on a set of one or more partitioning criteria,

wherein the set of one or more partitioning criteria comprises the fault domain associated with the particular network entity, and

wherein each particular certificate distribution group, of the plurality of certificate distribution groups, comprises a particular subset of network entities, of the plurality of network entities,

wherein the particular subset of network entities is associated with a particular single point of failure corresponding to a particular fault domain of the plurality of fault domains;

selecting a first certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the first certificate distribution group comprises a first subset of network entities that is associated with a first fault domain of the plurality of fault domains;

transmitting the first certificate bundle to the first subset of network entities;

wherein the method is performed by at least one device including a hardware processor.

24. A system, comprising:

at least one hardware processor;

the system being configured to execute operations, using the at least one hardware processor, the operations comprising:

detecting a trigger condition to distribute a first certificate bundle comprising a first set of one or more certificate authority certificates;

determining, for each particular network entity of a plurality of network entities associated with a computer network, a fault domain associated with the particular network entity, from among a plurality of fault domains associated with the computer network,

wherein each particular fault domain, of the plurality of fault domains, represents at least one single point of failure;

partitioning the plurality of network entities into a plurality of certificate distribution groups based on a set of one or more partitioning criteria,

wherein the set of one or more partitioning criteria comprises the fault domain associated with the particular network entity, and

wherein each particular certificate distribution group, of the plurality of certificate distribution groups, comprises a particular subset of network entities, of the plurality of network entities,

wherein the particular subset of network entities is associated with a particular single point of failure corresponding to a particular fault domain of the plurality of fault domains;

selecting a first certificate distribution group, of the plurality of certificate distribution groups, for distribution of the first certificate bundle, wherein the first certificate distribution group comprises a first subset of network entities that is associated with a first fault domain of the plurality of fault domains;

transmitting the first certificate bundle to the first subset of network entities.

Assignments (1)

Continuity (1)

References Cited (142)