Session service aspect-oriented cache

• US 10,051,079 B1
• Filed: 11/13/2014
• Issued: 08/14/2018
• Est. Priority Date: 11/13/2014
• Status: Active Grant

• Current Assignee: Amazon Technologies, Inc. (Amazon.com, Inc.)
• Original Assignee: Amazon Technologies, Inc. (Amazon.com, Inc.)
• Inventors: Kaukl, Christopher Vincent, Pare, Geoffrey Scott, Kulkarni, Mohanish Hemant
• Primary Examiner(s): Cheema, Umar
• Assistant Examiner(s): Rotolo, Anthony T
• Application Number:
  US14/540,942
• Time in Patent Office: 1,370 Days
• Field of Search: None
• CPC Class Codes: H04L 41/0853 by actively collecting configuration information or by backing up configuration information
• CPC Class Codes: H04L 67/142 Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching

Abstract

A method and apparatus for utilizing a session service cache to provide a session to a client device are provided. In the method and apparatus, a cache is populated with a plurality of aspects of data pertaining to a communication session between a session service and the client device. A request to retrieve an aspect of the data is received from a backend service and the backend service is identified based at least in part on the request. The aspect of the plurality of aspects corresponding to the backend service is retrieved and provided to the backend service.

Claims

1. A computer-implemented method for storing session data, comprising:

storing, by a cache, data for a session established between a session service and a client device, the data comprising a plurality of aspects, an aspect of the plurality of aspects being customized for and retrievable by a backend service of a plurality of backend services of the session service, wherein a first aspect of the plurality of aspects provided in response to a request for data by a first backend service of the plurality of backend services is different from a second aspect of the plurality of aspects provided in response to the same request for data by a second backend service of the plurality of backend services;

receiving, from the backend service of the plurality of backend services, a request to retrieve data from the cache;

determining, based at least in part on the request, both an identity of the backend service of the plurality of backend services and a session identifier associated with the session;

selecting, based at least in part on the session identifier and the identity of the backend service, the aspect of the plurality of aspects of the data corresponding to the backend service; and

providing the selected aspect of the plurality of aspects to the backend service of the plurality of backend services.

2. The computer-implemented method of claim 1, further comprising:

receiving, by a frontend service proxy, one or more attributes of the client device;

segmenting the one or more attributes into a plurality data segments, a data segment of the plurality data segments being made available for use by the backend service of the plurality of backend services; and

storing, by the cache, the plurality data segments, the segment of the plurality data segments being stored in the aspect of the plurality of aspects corresponding to the backend service of the plurality of backend services.

3. The computer-implemented method of claim 1, wherein the one or more attributes of the client device include a list of applications running on the client device.

4. The computer-implemented method of claim 1, wherein:

the request to retrieve data from the cache is an application programming interface function call; and

the application programming interface function call is used by the plurality of backend services for requesting the plurality of aspects.

5. A system, comprising at least one computing device having one or more processors operatively coupled to a memory, the processors executing instructions to implement one or more services, wherein the one or more:

populate a cache with a plurality of aspects of data, an aspect of the data of the plurality of aspects of the data including a data portion;

receive, from a backend service of a plurality of backend services, a request to retrieve the aspect of the data of the plurality of aspects of the data;

retrieve, based at least in part on an identity of the backend service, the aspect of the data of the plurality of aspects of the data, the aspect of the data of the plurality of aspects of the data being customized for and retrievable by the backend service, wherein a first aspect of the plurality of aspects provided in response to a request for data by a first backend service of the plurality of backend services is different from a second aspect of the plurality of aspects provided in response to the same request for data by a second backend service of the plurality of backend services; and

provide the retrieved aspect of the data to the backend service.

6. The system of claim 5, wherein:

the aspect of the data of the plurality of aspects of the data pertains to a communication session between a session service and a client device;

the request to retrieve the aspect of the data of the plurality of aspects of the data includes an identifier of the communication session; and

the aspect of the data of the plurality of aspects of the data corresponds to the communication session.

7. The system of claim 5, wherein the request to retrieve the aspect of the data is an application programming interface function call.

8. The system of claim 5, wherein the request to retrieve the aspect of the data includes an identifier of the backend service.

9. The system of claim 5, wherein:

the one or more services receive one or more attributes of a client device; and

the one or more services populate the cache with the one or more attributes of the client device.

10. The system of claim 9, wherein the one or more services populate the cache with secondary information that is retrieved based at least in part on an attribute of the one or more attributes of the client device.

11. The system of claim 9, wherein:

the one or more services receive a hash value from the client device;

the hash value is an outcome of an application of a hash function to the one or more attributes of the client device; and

the one or more services use the hash value to determine whether client device attributes stored in the cache are to be updated.

12. The system of claim 9, wherein the one or more services:

receive one or more updated attributes of the client device; and

replace the one or more attributes of the client device stored in the cache with the one or more updated attributes.

13. A non-transitory computer-readable storage medium having stored thereon executable instructions that, as a result of execution by one or more processors of a computer system, cause the computer system to at least:

cause a plurality of aspects of data to be stored in a cache, an aspect of the data of the plurality of aspects of the data being customized for and retrievable by a backend service of a plurality of backend services, the plurality of aspects of the data being associated with a session between a service and a client device, wherein a first aspect of the plurality of aspects provided in response to a request for data by a first backend service of the plurality of backend services is different from a second aspect of the plurality of aspects provided in response to the same request for data by a second backend service of the plurality of backend services;

receive, from the backend service, a request to retrieve data from the cache, the request being submitted in connection with an identifier of the session;

select the aspect of the of data of the plurality of aspects of the data, the aspect of the data pertaining to the backend service and being selected based at least in part on the identifier of the session and an identity of the backend service, the selected aspect excluding one or more aspects of the data of the plurality of aspects of the data pertaining to one or more backend services different from the backend service; and

provide the aspect of the data of the plurality of aspects of the data to the backend service in response to the request.

14. The non-transitory computer-readable storage medium of claim 13, wherein the instructions that cause the computer system to cause the plurality of aspects of the data to be stored in the cache further include instructions that cause the computer system to:

receive a data portion for storage in the cache;

identify the backend service based at least in part on the data portion; and

make the data portion available to the backend service by including the data portion in the stored aspect of the data of the plurality of aspects associated with the backend service.

15. The non-transitory computer-readable storage medium of claim 13, wherein the request to retrieve data from the cache includes an indication of the aspect of the data of the plurality of aspects of the data.

16. The non-transitory computer-readable storage medium of claim 15, wherein the indication is a flag in an application programming interface function call.

17. The non-transitory computer-readable storage medium of claim 13, wherein:

the aspect of the data of the plurality of aspects of the data is associated with a tag; and

an identity of the session and the backend service are determinable based at least in part on the tag.

18. The non-transitory computer-readable storage medium of claim 13, wherein:

the instructions further comprise instructions that, as a result of execution by the one or more processors, cause the computer system to receive a hash value from the client device; and

the hash value is an outcome of an application of a hash function to one or more attributes of the client device.

19. The non-transitory computer-readable storage medium of claim 18, wherein the instructions further comprise instructions that, as a result of execution by the one or more processors, cause the computer system to apply the hash function to attributes of the client device stored in the cache to determine whether the attributes of the client device are to be updated.

20. The non-transitory computer-readable storage medium of claim 13, wherein the instructions further comprise instructions that, as a result of execution by the one or more processors, cause the computer system to, on a condition that attributes of the client device are determined to be updated, send, to the client device, a request for updated client device attributes.