Amazon Technologies, Inc.

Darren H Mutz

John David Cormie

Imran S Patel

Prashanth A Acharya

Vadim Meleshuk

Lee B Rosen

Martin Cornelis Frederik Slot

Valeri Liborski

Dmitry Sonkin

A system, method and computer-readable medium for request routing based on prioritization and load information are provided. A client request processing a resource identifier for requested content transmits a DNS query to a content delivery network service provider. Based on a content provider identifier included in the DNS query, a receiving DNS nameserver determines a selection from a hierarchical organization of POPs and the relative capacity for a selected POP to process a subsequent request for resources. Based on the processing of the prioritization information and load information, the receiving DNS nameserver resolves the DNS query.

Request routing utilizing point of presence load information

Generally described, the present disclosure is directed to managing request routing functionality corresponding to resource requests for one or more resources associated with a content provider. A service provider may assign an alias resource records that point to another alias resource record or to an IP address. A DNS server of the service provider may receive a request to resolve a DNS query for a domain for which the DNS server is authoritative. The DNS server determine that the DNS query corresponds to an alias record and may resolve the DNS query according to the data of the alias record.

Alias resource record sets

Generally described, the present disclosure is directed to managing request routing functionality corresponding to resource requests for one or more resources associated with a content provider. A service provider may assign an alias resource records that point to another alias resource record or to an IP address. A DNS server of the service provider may receive a request to resolve a DNS query for a domain for which the DNS server is authoritative. The DNS sever determine that the DNS query corresponds to an alias record and may resolve the DNS query according to the data of the alias record.

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Seattle, WA, United States of America

Darren H Mutz