Managing network computing components utilizing request routing

• US 9,929,959 B2
• Filed: 03/21/2016
• Issued: 03/27/2018
• Est. Priority Date: 06/04/2013
• Status: Active Grant

• Current Assignee: Amazon Technologies, Inc. (Amazon.com, Inc.)
• Original Assignee: Amazon Technologies, Inc. (Amazon.com, Inc.)
• Inventors: Mostert, Andr
• Primary Examiner(s): Keehn, Richard G
• Application Number:
  US15/075,728
• Publication Number:
  US 20160205062A1
• Time in Patent Office: 736 Days
• CPC Class Codes: G06F 16/95 Retrieval from the web
• CPC Class Codes: G06F 2009/4557 Distribution of virtual machine instances; Migration and load balancing
• CPC Class Codes: G06F 2009/45595 Network integration; Enabling network access in virtual machine instances
• CPC Class Codes: G06F 9/45558 Hypervisor-specific management and integration aspects
• CPC Class Codes: H04L 12/1813 for computer conferences, e.g. chat rooms instant messaging H04L51/04; protocols for multimedia communication H04L65/1101; arrangements for multi-party communication H04L65/403; telephonic conference arrangements H04M3/56; television conference systems H04N7/15
• CPC Class Codes: H04L 2101/30 Types of network names
• CPC Class Codes: H04L 41/04 Network management architectures or arrangements
• CPC Class Codes: H04L 41/046 comprising network management agents or mobile agents therefor
• CPC Class Codes: H04L 41/0803 Configuration setting
• CPC Class Codes: H04L 41/0896 Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities flow or congestion control using dynamic resource allocation, e.g. in-call renegotiation, H04L47/76
• CPC Class Codes: H04L 41/0897 by horizontal or vertical scaling of resources, or by migrating entities, e.g. virtual resources or entities
• CPC Class Codes: H04L 41/12 Discovery or management of network topologies
• CPC Class Codes: H04L 43/04 Processing captured monitoring data, e.g. for logfile generation
• CPC Class Codes: H04L 45/42 Centralised routing
• CPC Class Codes: H04L 47/12 Avoiding congestion; Recovering from congestion
• CPC Class Codes: H04L 47/20 Traffic policing
• CPC Class Codes: H04L 47/70 Admission control; Resource allocation
• CPC Class Codes: H04L 51/52 for supporting social networking services
• CPC Class Codes: H04L 61/4511 using domain name system [DNS]
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources
• CPC Class Codes: H04L 63/102 : Entity profiles
• CPC Class Codes: H04L 63/1416 : Event detection, e.g. attack signature detection
• CPC Class Codes: H04L 63/20 : for managing network security; network security policies in general filtering policies H04L63/0227
• CPC Class Codes: H04L 67/02 : based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/10 : in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 67/56 : Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54

Abstract

Aspects of the disclosure will be described with regard to the processing of a client computing device DNS queries by a DNS processing service to determine an identifier associated with a previously instantiated hosted virtual machine instance. In one aspect, if the previously instantiated hosted virtual machine instance is instantiated, the DNS service can resolve the DNS query by transmitting network address information associated with the previously instantiated hosted virtual machine instance. In another aspect, if the previously instantiated hosted virtual machine instance is not instantiated, the DNS service can initiate a process to cause an instantiation of a hosted virtual machine instance based on the previously instantiated hosted virtual machine instance. The DNS service can then resolve the DNS query by transmitting network address information, or an alternative identifier, associated with the newly instantiated hosted virtual machine instance.

Claims

1. A system comprising:

a network point of presence associated with a content delivery network (CDN) service provider, wherein the network point of presence includes a DNS server that receives a DNS query from a client computing device, wherein the DNS query comprises a uniform resource locator (URL), wherein the URL includes an identifier associated with a hosted virtual machine instance, wherein the identifier is included in a portion of a DNS portion of the URL, and wherein the DNS server in the network point of presence comprises hardware and is operative to;

parse the DNS portion of the URL to obtain the identifier associated with the hosted virtual machine instance;

determine that the hosted virtual machine is instantiated; and

resolve the DNS query by transmitting information associated with the hosted virtual machine.

2. The system as recited in claim 1, wherein parsing the DNS portion of the DNS query to obtain the identifier associated with the hosted virtual machine instance includes parsing a complete DNS portion of the DNS query.

3. The system as recited in claim 1, wherein parsing the DNS portion of the DNS query to obtain the identifier associated with the hosted virtual machine instance includes parsing a sub-portion of the DNS portion of the DNS query.

4. The system as recited in claim 1, wherein resolving the DNS query by transmitting information associated with the hosted virtual machine instance includes transmitting a canonical name record identifier associated with a service provider hosting the hosted virtual machine instance.

5. The system as recited in claim 1, wherein resolving the DNS query by transmitting information associated with the hosted virtual machine instance includes transmitting a network address associated with a service provider hosting the hosted virtual machine instance.

6. The system as recited in claim 1, wherein the DNS server in the network point of presence is operative to maintain, for a set of previously instantiated virtual machine instances, information related to an availability to process subsequent requests from the client computing device.

7. The system as recited in claim 6, wherein the DNS server in the network point of presence is operative to:

periodically transmit requests related to an availability to process subsequent requests from the client computing device for the set of previously instantiated virtual machine instances;

obtain updated information related to an availability to process subsequent requests from the client computing device for the set of previously instantiated virtual machine instances;

update the information related to an availability to process subsequent requests from the client computing device responsive to the updated information;

obtain a request from the client computing device for the requested content; and

process and transmit the requested content from the selected network computing component in response to the request from the client computing device.

8. A method comprising:

obtaining, by a DNS processing service, a DNS query from a client computing device, wherein the DNS query comprises a uniform resource locator (URL), wherein the URL includes an identifier associated with a hosted virtual machine instance, and wherein the identifier is included in a portion of a DNS portion of the URL;

parsing, by the DNS processing service, the DNS portion of the URL to obtain the identifier associated with the hosted virtual machine instance;

determining, by the DNS processing service, that the hosted virtual machine is instantiated; and

resolving, by the DNS processing service, the DNS query by transmitting information associated with the hosted virtual machine.

9. The method as recited in claim 8, wherein parsing the DNS portion of the DNS query to obtain the identifier associated with the hosted virtual machine instance includes parsing a complete DNS portion of the DNS query.

10. The method as recited in claim 8, wherein parsing the DNS portion of the DNS query to obtain the identifier associated with the hosted virtual machine instance includes parsing a sub-portion of the DNS portion of the DNS query.

11. The method as recited in claim 8, wherein resolving the DNS query by transmitting information associated with the hosted virtual machine instance includes transmitting a canonical name record identifier associated with a service provider hosting the hosted virtual machine instance.

12. The method as recited in claim 8, wherein resolving the DNS query by transmitting information associated with the hosted virtual machine instance includes transmitting a network address associated with a service provider hosting the hosted virtual machine instance.

13. The method as recited in claim 8 further comprising maintaining, for a set of previously instantiated virtual machine instances, information related to an availability to process subsequent requests from the client computing device.

14. The method as recited in claim 8 further comprising:

periodically transmitting requests related to an availability to process subsequent requests from the client computing device for the set of previously instantiated virtual machine instances;

obtaining updated information related to an availability to process subsequent requests from the client computing device for the set of previously instantiated virtual machine instances;

updating the information related to an availability to process subsequent requests from the client computing device responsive to the updated information;

obtaining a request from the client computing device for the requested content; and

processing and transmit the requested content from the selected network computing component in response to the request from the client computing device.

15. A system comprising:

a network point of presence associated with a content delivery network (CDN) service provider, wherein the network point of presence includes a DNS server that receives a DNS query from a client computing device, wherein the DNS query corresponds to a resource identifier associated with a previously instantiated hosted virtual machine instance, wherein the DNS query includes an identifier associated with the previously instantiated hosted virtual machine instance, wherein the resource identifier and the identifier associated with the previously instantiated hosted virtual machine instance are different, and wherein the DNS server in the network point of presence comprises hardware and is operative to;

evaluate whether the previously instantiated hosted virtual machine associated with the DNS query is instantiated; and

if the previously instantiated hosted virtual machine instance is not instantiated, resolve the DNS query by transmitting information associated with a re-instantiation of the previously instantiated hosted virtual machine instance determine that the hosted virtual machine is instantiated.

16. The system as recited in claim 15, wherein the DNS server in the network point of presence is operative to:

if the previously instantiated hosted virtual machine is instantiated, resolve the DNS query by transmitting information associated with the previously instantiated hosted virtual machine instance.

17. The system as recited in claim 16, wherein the DNS server in the network point of presence is operative to:

prior to resolving the DNS query by transmitting information associated with the previously instantiated hosted virtual machine instance, determine whether a new instantiation of the previously instantiated hosted virtual machine instance should be initiated.

18. The system as recited in claim 17, wherein determining whether a new instantiation of the previously instantiated hosted virtual machine instance should be initiated includes evaluating updated request routing information corresponding to the DNS query.

19. The system as recited in claim 15, wherein the DNS server in the network point of presence is operative to:

maintain, for a set of previously instantiated virtual machine instances, information related a current instantiation state for the set of previously instantiated virtual machine instances.

20. The system as recited in claim 19, wherein the DNS server in the network point of presence is operative to:

periodically transmit requests related an instantiation state for the set of previously instantiate virtual machine instances;

obtain updated information related instantiation state for the set of previously instantiate virtual machine instances; and

update the information related to the instantiation state for the set of previously instantiate virtual machine instances.