Using virtual networking devices to manage routing information
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04L-012/28
H04L-012/24
H04L-012/701
H04L-012/26
출원번호
US-0702589
(2017-09-12)
등록번호
US-10225146
(2019-03-05)
발명자
/ 주소
Miller, Kevin Christopher
Brandwine, Eric Jason
Doane, Andrew J.
출원인 / 주소
Amazon Technologies, Inc.
대리인 / 주소
Kowert, Robert C.
인용정보
피인용 횟수 :
0인용 특허 :
61
초록▼
Techniques are described for providing managed virtual computer networks that have a configured logical network topology with virtual networking devices, such as by a network-accessible configurable network service, with corresponding networking functionality provided for communications between mult
Techniques are described for providing managed virtual computer networks that have a configured logical network topology with virtual networking devices, such as by a network-accessible configurable network service, with corresponding networking functionality provided for communications between multiple computing nodes of the virtual computer network by emulating functionality that would be provided by the virtual networking devices if they were physically present. In some situations, the networking functionality provided for a managed computer network of a client includes receiving routing communications directed to the virtual networking devices and using included routing cost information to update the configuration of the managed computer network, and/or includes determining actual cost information corresponding to use of an underlying substrate network and providing routing cost information to the client that reflects the determined actual cost information, so as to enable the client to modify the configuration of the managed computer network accordingly.
대표청구항▼
1. A non-transitory computer-readable storage medium with stored contents that cause a computing system to perform automated operations including at least: providing, by the computing system, a virtual computer network for a client in accordance with configuration information from the client, includ
1. A non-transitory computer-readable storage medium with stored contents that cause a computing system to perform automated operations including at least: providing, by the computing system, a virtual computer network for a client in accordance with configuration information from the client, including overlaying the virtual computer network on one or more substrate networks and forwarding communications over the one or more substrate networks between multiple computing nodes of the virtual computer network;determining, by the computing system, routing cost information based at least in part on network characteristics which characterize alternative routing paths over the one or more substrate networks that are selectable to send one or more additional communications by at least one computing device of the client; andsending, by the computing system and to the at least one computing device of the client, one or more communications that include information based at least in part on the determined routing cost information, for use with the one or more additional communications sent by the at least one computing device. 2. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network bandwidth available over the one or more substrate networks, and including the measured network bandwidth in the determined routing cost information. 3. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network latency on the one or more substrate networks, and including the measured network latency in the determined routing cost information. 4. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network reliability for the one or more substrate networks, and including the measured network reliability in the determined routing cost information. 5. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network load for the one or more substrate networks, and including the measured network load in the determined routing cost information. 6. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network path availability for one or more network paths in the one or more substrate networks, and including the measured network path availability in the determined routing cost information. 7. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information based, at least in part, on the network characteristics includes measuring network node availability for one or more network nodes, and including the measured network node availability in the determined routing cost information. 8. The non-transitory computer-readable storage medium of claim 1 wherein the determining of the routing cost information further includes determining one or more additional network characteristics of the virtual computer network for forwarding communications between the multiple computing nodes of the virtual computer network, and including the determined one or more additional network characteristics in the determined routing cost information. 9. The non-transitory computer-readable storage medium of claim 1 wherein the sending of the one or more communications includes sending one or more routing communications to the at least one computing device using a defined routing protocol, and wherein the stored contents include software instructions that, when executed by the computing system, further cause the computing system to, after the sending of the one or more routing communications: receive, by the computing system, the one or more additional communications from the at least one computing device, wherein the one or more additional communications are routed to the computing system by the client based at least in part on the determined routing cost information included in the sent one or more routing communications; andforward, by the computing system, the one or more additional communications to one or more indicated destinations. 10. The non-transitory computer-readable storage medium of claim 9 wherein the determined routing cost information includes information about differing costs for multiple alternative routes to the one or more indicated destinations, and wherein the forwarding of the one or more additional communications includes forwarding the additional communications along one of the multiple alternative routes selected based at least in part on one or more actions of the client after the sending of the one or more routing communications. 11. The non-transitory computer-readable storage medium of claim 9 wherein the determined routing cost information includes information about differing costs for multiple alternative computing nodes via which communications are routed to the one or more indicated destinations, and wherein the forwarding of the one or more additional communications includes forwarding the additional communications via one of the multiple alternative computing nodes selected based at least in part on one or more actions of the client after the sending of the one or more routing communications. 12. The non-transitory computer-readable storage medium of claim 1 wherein the sending of the one or more communications to the at least one computing device of the client includes forwarding the one or more further communications to at least one of the multiple computing nodes. 13. The non-transitory computer-readable storage medium of claim 1 wherein the computing system is part of a configurable network service that provides multiple virtual computer networks to multiple clients over one or more intervening computer networks, and wherein the sending of the one or more communications to the at least one computing device of the client includes providing information to a user of the at least one computing device on behalf of the client via at least one interface provided by the configurable network service. 14. The non-transitory computer-readable storage medium of claim 1 wherein the computing system is part of a configurable network service that provides multiple virtual computer networks to multiple clients over one or more intervening computer networks, wherein the information received from the client is configuration information for the virtual computer network that specifies one or more networking devices that are part of the specified interconnections for the virtual computer network, and wherein the forwarding of the communications between the multiple computing nodes includes providing at least some of the functionality that would be performed by the one or more networking devices if the one or more networking devices of the virtual computer network were physically provided. 15. A computer-implemented method comprising: providing, by a configurable network service implemented on one or more computing systems, a virtual computer network for a client of the configurable network service in accordance with configuration information from the client, including overlaying the virtual computer network on one or more substrate networks of the configurable network service and forwarding communications over the one or more substrate networks between multiple computing nodes of the virtual computer network;determining, by the configurable network service, routing cost information corresponding to network characteristics which characterize alternative routing paths over the one or more substrate networks that are selectable to send one or more additional communications by at least one computing device of the client; andsending, by the configurable network service and to the at least one computing device of the client that is external to the virtual computer network, one or more routing communications that include the determined routing cost information, to cause changes based at least in part on the determined routing cost information in routing the one or more additional communications for the client by the at least one computing device. 16. The computer-implemented method of claim 15 wherein the determining of the routing cost information corresponding to the network characteristics includes measuring network characteristics of the one or more substrate networks that include at least one of network bandwidth, network latency, network reliability, network load, network path availability for one or more network paths in the one or more substrate networks, or network node availability for one or more network nodes in the one or more substrate networks, and including the measured network characteristics in the determined routing cost information. 17. The computer-implemented method of claim 15 wherein the configurable network service further provides multiple other virtual computer networks to multiple other clients over one or more intervening computer networks, and wherein the sending of the one or more routing communications to the at least one computing device of the client includes providing information to a user of the at least one computing device on behalf of the client via at least one interface provided by the configurable network service. 18. A system, comprising: one or more hardware processors; andone or more memories with stored instructions that, when executed by at least one hardware processor of the one or more hardware processors, cause the system to perform automated operations including at least: providing a virtual computer network for a client of a configurable network service in accordance with configuration information from the client, including overlaying the virtual computer network on one or more substrate networks of the configurable network service;determining network cost information corresponding to network characteristics which characterize alternative routing paths over the one or more substrate networks that are selectable to send one or more additional communications by at least one computing device of the client; andsending, to the at least one computing device of the client that is external to the virtual computer network, one or more communications that include the determined network cost information, to cause changes based at least in part on the determined network cost information in forwarding the one or more additional communications for the client. 19. The system of claim 18 wherein the determining of the network cost information corresponding to the network characteristics includes measuring network characteristics of the one or more substrate networks that include at least one of network bandwidth, network latency, network reliability, network load, network path availability for one or more network paths in the one or more substrate networks, or network node availability for one or more network nodes in the one or more substrate networks, and including the measured network characteristics in the determined network cost information. 20. The system of claim 18 wherein the performing of the automated operations further includes implementing functionality of the configurable network service for providing multiple other virtual computer networks to multiple other clients over one or more intervening computer networks, and wherein the sending of the one or more communications to the at least one computing device of the client includes providing information to a user of the at least one computing device on behalf of the client via at least one interface provided by the configurable network service.
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