CA2398499A1 - A system and method for rewriting a media resource request and/or response between origin server and client - Google Patents

A system and method for rewriting a media resource request and/or response between origin server and client Download PDF

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Publication number
CA2398499A1
CA2398499A1 CA002398499A CA2398499A CA2398499A1 CA 2398499 A1 CA2398499 A1 CA 2398499A1 CA 002398499 A CA002398499 A CA 002398499A CA 2398499 A CA2398499 A CA 2398499A CA 2398499 A1 CA2398499 A1 CA 2398499A1
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Canada
Prior art keywords
data
response
resource request
modified
server
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
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CA002398499A
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French (fr)
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CA2398499C (en
Inventor
Nils Lahr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Level 3 Communications LLC
Original Assignee
Ibeam Broadcasting Corporation
Nils Lahr
Williams Communications, Llc
Wiltel Communications Group, Inc.
Wiltel Communications Group, Llc
Level 3 Communications, Llc
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Application filed by Ibeam Broadcasting Corporation, Nils Lahr, Williams Communications, Llc, Wiltel Communications Group, Inc., Wiltel Communications Group, Llc, Level 3 Communications, Llc filed Critical Ibeam Broadcasting Corporation
Publication of CA2398499A1 publication Critical patent/CA2398499A1/en
Application granted granted Critical
Publication of CA2398499C publication Critical patent/CA2398499C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
    • G06F16/9566—URL specific, e.g. using aliases, detecting broken or misspelled links
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/561—Adding application-functional data or data for application control, e.g. adding metadata
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/957—Browsing optimisation, e.g. caching or content distillation
    • G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/562—Brokering proxy services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/563—Data redirection of data network streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/564—Enhancement of application control based on intercepted application data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services

Abstract

A distributed network (12) which is capable of dynamically changing media resource request metafiles, as well as the responses to those media resource requests by media servers (14) in the network (10), to provide more efficient content delivery in the network (10). The network (10) employs a system and method for intercepting a media resource request metafile client request, or a response to the media resource request by a media server (14) in the network (10), and intelligently rewriting the response before sending it back to the requesting client. The file or protocol response can be rewritten according to localized information such as resource availability and client request information which the centralized web server may not have or even be able to obtain.

Claims (20)

1. A system for handling data requests in a distributed data delivery network, the system comprising:
a data resource request modifier, adapted to intercept and modify a data resource request issued by a user requesting data from said network prior to said data resource request reaching a data server in said network, to create a modified data resource request; and a data delivery device, adapted to control routing of requested data from a data server in said distributed data delivery network to said user based on said modified data resource request.
2. A system as claimed in claim 1, wherein:
said data resource request includes a data resource request metafile;
said data resource request modifier is adapted to modify said data resource request metafile to create a modified data resource request metafile included in said modified data resource request; and said data delivery device is adapted to control routing of said requested data from said data server based on said modified data resource request metafile.
3. A system as claimed in claim 1, wherein:
said data delivery device issues a response to said user based on said modified data resource request to enable said user to receive said requested data from said data server.
4. A system as claimed in claim 1, wherein:
said modified data resource request includes data identifying said data server as the data server from which said requested data is to be provided to said user.
5. A system as claimed in claim 4, wherein:
said data server identified by said data in said modified data resource request is different from a data server identified by data in said data resource request prior to modification.
6. A system for handling a response to a data request in a distributed data delivery network, the system comprising:
a data response modifier, adapted to intercept and modify a data response issued by a data server in said network in response to a data resource request issued by a user requesting data from said network, before said response reaches said user, to create a modified data response; and a data delivery device, adapted to control routing of requested data from a data server in said distributed data delivery network to said user based on said modified data response.
7. A system as claimed in claim 6, wherein:
said data response includes a data response metafile;
said data response modifier is adapted to modify said data response metafile to create a modified data response metafile included in said modified data response; and said data delivery device is adapted to control routing of said requested data from said data server based on said modified data response metafile.
8. A system as claimed in claim 6, wherein:
said data delivery device issues said modified data response to enable said user to receive said requested data from said data server.
9. A system as claimed in claim 6, wherein:
said modified data response includes data identifying said data server as the data server from which said requested data is to be provided to said user.
10. A system as claimed in claim 9, wherein:
said data server identified by said data in said modified data response is different from a data server identified by data in said data response prior to modification.
11. A method for handling data requests in a distributed data delivery network, the method comprising:

intercepting and modifying a data resource request issued by a user requesting data from said network prior to said data resource request reaching a data server in said network, to create a modified data resource request; and controlling routing of requested data from a data server in said distributed data delivery network to said user based on said modified data resource request.
12. A method as claimed in claim 11, wherein:
said data resource request includes a data resource request metafile;
said data resource request modifying step includes modifying said data resource request metafile to create a modified data resource request metafile included in said modified data resource request; and said controlling step includes controlling routing of said requested data from said data server based on said modified data resource request metafile.
13. A method as claimed in claim 11, further comprising:
issuing a response to said user based on said modified data resource request to enable said user to receive said requested data from said data server.
14. A method as claimed in claim 11, wherein:
said modified data resource request includes data identifying said data server as the data server from which said requested data is to be provided to said user.
15. A method as claimed in claim 14, wherein:
said data server identified by said data in said modified data resource request is different from a data server identified by data in said data resource request prior to modification.
16. A method for handling a response to a data request in a distributed data delivery network, the system comprising:

intercepting and modifying a data response issued by a data server in said network in response to a data resource request issued by a user requesting data from said network, before said response reaches said user, to create a modified data response;
and controlling routing of requested data from a data server in said distributed data delivery network to said user based on said modified data response.
17. A method as claimed in claim 16, wherein:
said data response includes a data response metafile;
said data response modifying step includes modifying said data response metafile to create a modified data response metafile included in said modified data response; and said controlling step includes controlling routing of said requested data from said data server based on said modified data response metafile.
18. A method as claimed in claim 16, further comprising:
issuing said modified data response to enable said user to receive said requested data from said data server.
19. A method as claimed in claim 6, wherein:
said modified data response includes data identifying said data server as the data server from which said requested data is to be provided to said user.
20. A method as claimed in claim 19, wherein:
said data server identified by said data in said modified data response is different from a data server identified by data in said data response prior to modification.
CA2398499A 2000-01-28 2001-01-29 A system and method for rewriting a media resource request and/or response between origin server and client Expired - Lifetime CA2398499C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17875000P 2000-01-28 2000-01-28
US60/178,750 2000-01-28
PCT/US2001/002821 WO2001055878A1 (en) 2000-01-28 2001-01-29 A system and method for rewriting a media resource request and/or response between origin server and client

Publications (2)

Publication Number Publication Date
CA2398499A1 true CA2398499A1 (en) 2001-08-02
CA2398499C CA2398499C (en) 2010-08-24

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US (1) US7013322B2 (en)
EP (1) EP1252575B1 (en)
JP (1) JP2003521067A (en)
AU (1) AU2001236568A1 (en)
CA (1) CA2398499C (en)
MX (1) MXPA02007310A (en)
WO (1) WO2001055878A1 (en)

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CA2398499C (en) 2010-08-24
WO2001055878A1 (en) 2001-08-02
MXPA02007310A (en) 2003-10-14
EP1252575A4 (en) 2009-07-29
US7013322B2 (en) 2006-03-14
US20020040366A1 (en) 2002-04-04
EP1252575B1 (en) 2018-12-05
JP2003521067A (en) 2003-07-08
AU2001236568A1 (en) 2001-08-07
EP1252575A1 (en) 2002-10-30
WO2001055878A9 (en) 2002-10-31

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