System and Method for Routing Content Based on Real-Time Feedback
First Claim
Patent Images
1. A method comprising:
- receiving at a first cache server a content request from a client system;
determining that the first cache server is overloaded in response to receiving the content request; and
in response to determining that the first cache server is overloaded, returning to the client system a domain redirection response including a load status of the first cache server.
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Abstract
A method includes receiving at a cache server a content request from a client system, determining that the cache server is overloaded in response to receiving the content request, and in response to determining that the cache server is overloaded, returning to the client system a domain redirection response including a load status of the cache server.
45 Citations
20 Claims
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1. A method comprising:
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receiving at a first cache server a content request from a client system; determining that the first cache server is overloaded in response to receiving the content request; and in response to determining that the first cache server is overloaded, returning to the client system a domain redirection response including a load status of the first cache server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A cache server comprising:
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a processor; and a non-transitory computer readable medium including instructions for carrying out a method, the method comprising; receiving at a first cache server a content request from a client system; determining that the first cache server is overloaded in response to receiving the content request; and in response to determining that the first cache server is overloaded, returning to the client system a domain redirection response including a load status of the first cache server. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method comprising:
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receiving at a domain name system server a domain name system request including a domain name and a load status of a first cache server; in response to receiving the domain name system request, determining that a second cache server can fulfill a content request for a lower network cost than can the first cache server, based upon the load status; and in response to determining that the second cache server can fulfill the content request for the lower network cost, providing a first domain name system reply wherein the domain name is resolved to the second cache server. - View Dependent Claims (18, 19, 20)
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Specification