IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0753141
(2000-12-29)
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등록번호 |
US-7506034
(2009-03-17)
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발명자
/ 주소 |
- Coates,Joshua L.
- Bozeman,Patrick E.
- Gautier,Taylor
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
83 인용 특허 :
80 |
초록
▼
A network storage system includes a virtual file system ("VFS"), to manage the files of the network storage system, and a storage center that stores the files. The VFS and the storage center are separated, such that a client accesses the VFS to conduct file system operations and the client accesses
A network storage system includes a virtual file system ("VFS"), to manage the files of the network storage system, and a storage center that stores the files. The VFS and the storage center are separated, such that a client accesses the VFS to conduct file system operations and the client accesses the storage center to upload/download files. The client accesses the network storage system through one or more storage ports. The storage center includes a plurality of distributed object storage managers (DOSMs) and a storage cluster that includes a plurality of intelligent storage nodes. The network storage system includes additional storage centers at geographically disparate locations. The network storage system uses a multi-cast protocol to maintain file information at the DOSMs regarding files stored in the intelligent storage nodes, including files stored in disparate storage centers.
대표청구항
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What is claimed is: 1. A method for downloading a file from a remote storage center to an end-user computer for content provided from a content server, said method comprising: receiving a request from an end-user computer for content at a content server; transmitting from said content server to sai
What is claimed is: 1. A method for downloading a file from a remote storage center to an end-user computer for content provided from a content server, said method comprising: receiving a request from an end-user computer for content at a content server; transmitting from said content server to said end-user computer, in response to said end-user request, said content comprising at least one storage resource locator ("SRL"), wherein said SRL comprises a unique file identifier generated from the contents of the file to identify the file associated with said content, the SRL including a field generated based upon hashing involving both a shared secret and another field of the SRL, the another field including both (1) an op code field that comprises an op code that specifies a selected operation from a plurality of operations that is to be performed involving the file and (2) an argument list that comprises one or more arguments corresponding to the selected operation, the one or more arguments being generated based upon a hash of the contents of the file; transmitting a request for said file from said end-user computer to a remote storage center, including transmitting said SRL for said file; and transmitting, from said storage center to said end-user computer, said file identified by said SRL. 2. The method as set forth in claim 1, further comprising: transmitting from said content server to said end-user computer an SRL comprising an authentication certificate; determining, at said storage center, using said authentication certificate, whether said request is valid; and transmitting, from said storage center to said end-user computer, said file only if said request is valid. 3. The method as set forth in claim 1, further comprising: transmitting to said end-user computer an SRL further comprising a time-out parameter; and determining whether said request is valid through said time-out parameter. 4. The method as set forth in claim 1, further comprising: embedding said SRL into said content after receiving said request from an end-user computer for said content. 5. The method as set forth in claim 4, wherein the transmitting content comprises transmitting hyper-text mark-up language ("HTML") content; and the embedding said SRL into said content comprises embedding said SRL into said HTML. 6. The method as set forth in claim 4, wherein the embedding said SRL into said content comprises: storing at least one SRL for a file in an SRL file; and extracting said SRL from said SRL file. 7. The method as set forth in claim 4, wherein the embedding said SRL into said content comprises: coupling a local device comprising a cache to said content server; storing at least one SRL for at least one file in said cache of said local device; and extracting said SRL from said cache of said local device. 8. The method as set forth in claim 7, further comprising: mounting said local device as a storage device for said content server for access to said SRLs. 9. The method as set forth in claim 1, further comprising: storing at least one SRL for at least one file in an SRL file; storing said file for access by a file system; and organizing said SRL files in a file system, accessible to said content server, with a file structure substantially similar to said file structure for said files. 10. The method as set forth in claim 1, wherein: the transmitting a request for said file from said end-user computer to a remote storage center comprises transmitting a hyper-text transfer protocol ("HTTP") request; and the transmitting said file from said storage center to said end-user computer comprises transmitting said files using HTTP. 11. The method as set forth in claim 10, wherein the transmitting, from said storage center to said end-user computer, said file comprises transferring a large media object. 12. A system comprising: a content server configured to receive a request from an end-user computer for content, and transmit to said end-user computer, in response to said end-user request, said content comprising at least one storage resource locator ("SRL"), wherein said SRL comprises a unique file identifier generated from the contents of a file to identify the file associated with said content, the SRL including a field generated based upon hashing involving both a shared secret and another field of the SRL, the another field including both (1) an op code field that comprises an op code that specifies a selected operation from a plurality of operations that is to be performed involving the file and (2) an argument list that comprises one or more arguments corresponding to the selected operation, the one or more arguments being generated based upon a hash of the contents of the file; and a storage center configured to receive a request for said file from said end-user computer, transmit said SRL for said file, and transmit, to said end-user computer, said file identified by said SRL. 13. The system as set forth in claim 12, wherein: said SRL further comprises an authentication certificate; and said storage center is configured to determine whether said request is valid using said authentication certificate, and transmit to said end-user computer said file only if said request is valid. 14. The system as set forth in claim 12, wherein: said SRL further comprises a time-out parameter; and said storage center is configured to determine whether said request is valid through said time-out parameter. 15. The system as set forth in claim 12, wherein said content server is further configured to embed said SRL into said content after receiving said request from an end-user computer for said content. 16. The system as set forth in claim 15, wherein: said content comprises mark-up language ("HTML") content; and said content server is further configured to embed said SRL into said HTML. 17. The system as set forth in claim 15, wherein: said SRL further comprises an SRL file; and said content server is further configured to extract said SRL from said SRL file. 18. The system as set forth in claim 12, further comprising a local device, coupled to said content server, that includes a cache configured to store at least one SRL for at least one file in said cache of said local device, wherein said content server is further configured to extract said SRL from said cache of said local device. 19. The system as set forth in claim 18, wherein said content server is configured to mount said local device as a storage device to said SRLs. 20. The system as set forth in claim 19, further comprising a file system, accessible to said content server, including at least one SRL file configured to store at least one SRL, wherein said file system comprises a file structure substantially similar to a file structure for said files. 21. A storage center comprising: a storage configured to store a plurality of files; a storage control configured to receive a request from an end-user computer, remote from said storage center, for at least one file, and transmit said file to said end-user computer, said request comprising at least one storage resource locator ("SRL") corresponding to said file, and wherein said SRL comprises a unique file identifier generated from the contents of a file to identify the file associated with content that said end-user computer downloaded from a content server, the SRL including a field generated based upon hashing involving both a shared secret and another field of the SRL, the another field including both (1) an op code field that comprises an op code that specifies a selected operation from a plurality of operations that is to be performed involving the file and (2) an argument list that comprises one or more arguments corresponding to the selected operation, the one or more arguments being generated based upon a hash of the contents of the file. 22. The storage center as set forth in claim 21, wherein: said SRL further comprises an authentication certificate; and said storage center is configured to determine whether said request is valid using said authentication certificate, and transmits to said end-user computer said file only if said request is valid. 23. The storage center as set forth in claim 21, wherein: said SRL further comprises a time-out parameter; and said storage center is configured to determine whether said request is valid through said time-out parameter.
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