최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0978656 (2007-10-30) |
등록번호 | US-8782123 (2014-07-15) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 364 |
A content delivery method directs a request by a client for an object to a first server in a content delivery network (CDN), regardless of whether the first server has the requested object. If the first server has the requested object, then it is served to the client from the first server; otherwise
A content delivery method directs a request by a client for an object to a first server in a content delivery network (CDN), regardless of whether the first server has the requested object. If the first server has the requested object, then it is served to the client from the first server; otherwise, the first server redirects the client request to a second server in the CDN to handle the request. The second server may be a peer server of the first server. The first and second servers may be edge servers in the CDN.
1. A content delivery method for distributing objects maintained on at least one origin server via a content delivery network (CDN), the method comprising: providing a plurality of servers in the CDN, wherein each of the plurality of servers is distinct from the at least one origin server, the plura
1. A content delivery method for distributing objects maintained on at least one origin server via a content delivery network (CDN), the method comprising: providing a plurality of servers in the CDN, wherein each of the plurality of servers is distinct from the at least one origin server, the plurality of servers comprising a plurality of edge servers and a plurality of parent servers;directing a request by a client for an object to a first edge server in the CDN, regardless of whether the first edge server has the requested object, wherein said first edge server was selected based at least in part on network traffic conditions;if the first edge server has the requested object, serving the requested object to the client from the first edge server;otherwise, sending the client a response that causes the client to be redirected to a second server in the CDN to handle the request, wherein the second server comprises a parent server of the first edge server; andreceiving, at the second server, a second request for the object from the client and serving the requested object to the client from the second server, wherein if a copy of the requested object is not stored on the second server, directing the client to another server in the CDN. 2. A method as recited in claim 1, wherein said serving the requested object to the client from the second server is responsive to said second request. 3. A method as recited in claim 1, wherein the object is a streaming object. 4. A method as recited in claim 1, wherein said first edge server was selected based at least in part on server load. 5. A method as recited in claim 1, further comprising: attempting to serve the requested object to the client from the second server in the CDN. 6. A method as recited in claim 1, wherein the step of directing is repeated for a plurality of other servers in the CDN. 7. A method, in a framework in which resources maintained on one or more origin servers of content providers are delivered to end user clients via a shared content delivery network (CDN), the method comprising: providing a plurality of server sites in the CDN, wherein each of the plurality of server sites comprises one or more servers distinct from the one or more origin servers, the plurality of server sites comprising a plurality of edge server sites and a plurality of parent server sites;causing a client request for a resource to be directed to a first edge server site in said CDN, without consideration as to whether the first edge server site has a copy of the requested resource, wherein said first edge server site was selected based at least in part on network traffic conditions;if the first edge server site has a copy of the requested resource, then serving the requested resource to the client from the first edge server site; otherwise,if the first edge server site does not have a copy of the requested resource, sending the client a response that causes the client to be directed to a second server site in the CDN, wherein the second server site comprises a parent server site of the first edge server site; andreceiving, at the second server site, a second request for the resource from the client and serving the requested resource to the client from the second server site, wherein if a copy of the requested resource is not stored on the second server site, directing the client to another server site in the CDN. 8. A method as recited in claim 7, further comprising: attempting to serve the requested resource to the client from the second server site in the CDN. 9. A method as recited in claim 7, wherein a copy of the requested resource is stored at the second server site prior to the issuance of the resource request by the client. 10. A method, in a framework in which resources maintained on one or more origin servers of at least one content provider are delivered to end user clients via a content delivery network (CDN), the method comprising: providing a plurality of server sites in CDN, wherein each of the plurality of server sites comprises one or more servers distinct from the one or more origin servers, the plurality of server sites comprising a plurality of edge server sites and a plurality of parent server sites;receiving a client request for a resource at a first edge server site in said CDN, wherein said first edge server site was selected based at least in part on network traffic conditions;if the first edge server site has a copy of the requested resource, then serving the requested resource to the client from the first edge server site; otherwise,if the first edge server site does not have a copy of the requested resource, then sending the client a response that causes the client to retrieve the requested resource from a second server site in the CDN, wherein the second server site comprises a parent server site of the first edge server site; andreceiving, at the second server site, a second request for the resource from the client and serving the requested resource to the client from the second server site, wherein if a copy of the requested resource is not stored on the second server site, directing the client to another server site in the CDN. 11. A method as recited in claim 10, a copy of the requested resource is stored at the second server site prior to receipt of the client request by the first server site.
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