Policy management for content storage in content delivery networks
US008478858B2
(12) United States Patent
(10) Patent N0.: (45) Date of Patent:
Dunbar et al.
(54)
(75)
(56)
POLICY MANAGEMENT FOR CONTENT STORAGE IN CONTENT DELIVERY NETWORKS
U.S. PATENT DOCUMENTS
Black, Tempe, AZ (US); Jacob Roersma, Grand Rapids, MI (US); Luke Knol, Tempe, AZ (US); Jared Boelens,
Tempe, AZ (US); Wylie Swanson, Tempe, AZ (US); Sig Lange, Tempe, AZ
A B1 B2 B1 B2 B1
5/2000 6/2004 7/2005 10/2005 11/2006 9/2007
(Continued) KR W0
(73) Assignee: Limelight Networks, Inc., Tempe, AZ (Us)
10-2002-0076028 A WO 2009/061829 A1
U.S. Appl. No. 13/336,831 Of?ce Action mailed Aug. 14, 2012, 15 pages.
U.S.C. 154(b) by 0 days.
(Continued) Primary Examiner * Bharat N Barot
(21) Appl. No.: 13/344,263
(74) Attorney, Agent, or Firm *Kilpatrick Townsend & Stockton LLP
Jan. 5, 2012
(65)
(57)
Prior Publication Data
ABSTRACT
A method for processing content objects with a content deliv
US 2012/0198042 A1
Aug. 2, 2012
ery network (CDN) having a plurality of geographically dis tributed points of presence is disclosed. Selection of a policy is received from a plurality of policies, where the plurality of policies de?ne processes to perform on content objects stored at the CDN. Each policy includes an applicability criteria and a storage disposition. Metadata is received at the CDN, the metadata characterizing a content object, a requester of the content object and/or a provider of the content object. The content object is received for storage at the CDN. A policy and other policies are determined to be applicable to the content
Related US. Application Data
(63) Continuation of application No.
PCT/US2011/
023410, ?led on Feb. 1, 2011.
(51)
Int. Cl.
(52)
US. Cl.
G06F 15/173
(2006.01)
object through analysis of the metadata and/or the applicabil ity criteria. Overlap is resolved between the policy and the
USPC .......... .. 709/223; 709/201; 709/225; 709/232
(58)
10/2002 5/2009
OTHER PUBLICATIONS
Subject to any disclaimer, the term of this patent is extended or adjusted under 35
Filed:
SchanZ Parekh et a1. Riedel Coates et a1. Sundaram et a1. Coates
FOREIGN PATENT DOCUMENTS
(Us)
(22)
Jul. 2, 2013
References Cited
6,064,968 6,757,740 6,918,120 6,952,737 7,136,922 7,266,556
Inventors: Neil Dunbar, Bristol (GB); Bryan
Notice:
US 8,478,858 B2
Field of Classi?cation Search USPC .......... .. 709/20li205, 2174219, 2234226, 709/23 14232
other policies found applicable to the content object. The processing of the policy is performed on the content object.
See application ?le for complete search history. 260
20 Claims, 19 Drawing Sheets
1
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2010/0023693 A1
1/2010 Dilley etal.
2010/0250710 Al*
9/2010
Cadwelletal. ............. .. 709/219
2010/0293185 A1
11/2010 Rosado etal.
2010/0325264 A1
12/2010 CroWderetal.
2011/0138394 A1
6/2011 Ravishankaretal.
2011/0218946 A1
9/2011 Sternetal.
2011/0252082 A1* 10/2011 Cobb etal. .................. .. 709/203 2011/0283304 A1
W20“ Roberts et 31'
a1
2011/0320715 A1
12/2011 Ickman etal.
8,151,317 B2
4/2012 Hlmt mt“? ~
2012/0030170 A1
2/2012 Bernboetal.
8,156,243 B2
4/2012 Rilnhonde ‘Lt l
2012/0054303 A1
3/2012 Priyadarshan etal.
8,165,122 B2
4/2012 KC *1“ $01121”
2012/0066352 Al*
3/2012 Cadwelletal. ............. .. 709/219
8041809 B2
8,255,557 132* 8,291,083 132*
9/2011 Briscoe etal. .............. .. 709/226
100011 S
dar
709019
2012/0246472 Al*
9/2012 Berengoltzetal. ......... .. 713/165
100012 Blgclk‘gtsalleta~ ~~~~~~~ '~ 709/226
8/2012 RZt€1bWark‘?t ~1
2012/0303735 Al*
11/2012 Raciborskietal. ......... .. 709/212
2001/0034795 A1
10/2001 Moulton etal.
2002/0091801 A1
7/2002 Lewin etal.
2002/0133491 A1 2002/0138652 A1
9/2002 Sim etal. 9/2002 Taylor
5885;869‘53; 2}
QTHER PUBLICATIONS U.S. Appl. No. 13/336,893 Of?ce Action mailed Aug. 13, 2012, 9 pages,
1%88; gizlc?llbztslm .
U.S.Appl.No. 13/336,743, Of?ce Action mailed 061. 15, 2012, 15 '
pages.
Zoos/0005025 Al
gilg?ggmet 31' 1/2005 Harville et a1‘
“Content delivery network”, retrieved from the internet at Web addresszi http://Web.arch1ve.org/Web/2010122903l436/http://en.
2007/0l56845 Zoos/0065724 Zoos/0072264 Zoos/0077682 2008/0195664 2008/0222291 2009/0150518
7/2007 3/2008 3/2008 3/2008 8/2008 9/2008 6/2009
W1k1ped1a.org/Wlkl/Contentfdel1veryfnetwork,6pages. International Search Report dated Oct. 21, 2011 for International PCT Application No. PCT/US20ll/0234l0, 11 pages. US. Appl. No. 13/341,724, Of?ce Action mailed Jan. 4, 2013, 23 P3869
A1 A1 A1 A1 A1 A1 A1
Devanneaux et a1‘ Seed et al‘ crayford Nair et al‘ Maharajh etal. Weller etal. LeWin et al.
* cited by examiner
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(12) United States Patent
(10) Patent N0.: (45) Date of Patent:
Dunbar et al.
(54)
(75)
(56)
POLICY MANAGEMENT FOR CONTENT STORAGE IN CONTENT DELIVERY NETWORKS
U.S. PATENT DOCUMENTS
Black, Tempe, AZ (US); Jacob Roersma, Grand Rapids, MI (US); Luke Knol, Tempe, AZ (US); Jared Boelens,
Tempe, AZ (US); Wylie Swanson, Tempe, AZ (US); Sig Lange, Tempe, AZ
A B1 B2 B1 B2 B1
5/2000 6/2004 7/2005 10/2005 11/2006 9/2007
(Continued) KR W0
(73) Assignee: Limelight Networks, Inc., Tempe, AZ (Us)
10-2002-0076028 A WO 2009/061829 A1
U.S. Appl. No. 13/336,831 Of?ce Action mailed Aug. 14, 2012, 15 pages.
U.S.C. 154(b) by 0 days.
(Continued) Primary Examiner * Bharat N Barot
(21) Appl. No.: 13/344,263
(74) Attorney, Agent, or Firm *Kilpatrick Townsend & Stockton LLP
Jan. 5, 2012
(65)
(57)
Prior Publication Data
ABSTRACT
A method for processing content objects with a content deliv
US 2012/0198042 A1
Aug. 2, 2012
ery network (CDN) having a plurality of geographically dis tributed points of presence is disclosed. Selection of a policy is received from a plurality of policies, where the plurality of policies de?ne processes to perform on content objects stored at the CDN. Each policy includes an applicability criteria and a storage disposition. Metadata is received at the CDN, the metadata characterizing a content object, a requester of the content object and/or a provider of the content object. The content object is received for storage at the CDN. A policy and other policies are determined to be applicable to the content
Related US. Application Data
(63) Continuation of application No.
PCT/US2011/
023410, ?led on Feb. 1, 2011.
(51)
Int. Cl.
(52)
US. Cl.
G06F 15/173
(2006.01)
object through analysis of the metadata and/or the applicabil ity criteria. Overlap is resolved between the policy and the
USPC .......... .. 709/223; 709/201; 709/225; 709/232
(58)
10/2002 5/2009
OTHER PUBLICATIONS
Subject to any disclaimer, the term of this patent is extended or adjusted under 35
Filed:
SchanZ Parekh et a1. Riedel Coates et a1. Sundaram et a1. Coates
FOREIGN PATENT DOCUMENTS
(Us)
(22)
Jul. 2, 2013
References Cited
6,064,968 6,757,740 6,918,120 6,952,737 7,136,922 7,266,556
Inventors: Neil Dunbar, Bristol (GB); Bryan
Notice:
US 8,478,858 B2
Field of Classi?cation Search USPC .......... .. 709/20li205, 2174219, 2234226, 709/23 14232
other policies found applicable to the content object. The processing of the policy is performed on the content object.
See application ?le for complete search history. 260
20 Claims, 19 Drawing Sheets
1
Policy Manager
i
f
275
Custome: Metadata
53'
Metadata
UU ID Genecator
Mice
536 .
Brick} Resource Information
ResomcelBncK
E
Repon inte?ace
: . 1
US 8,478,858 B2 Page 2 U8. PATENT DOCUMENTS
gag/$22 g;
2%88; 13mg?
7,627,391 B2
12/2009 Kun
7,664,839 B1
M010 Key
7,860,964 B2 7,904,541 B2 830233429 132*
31
‘inlet
~
31
0/2010 Barget '1 3/2011 sfvailgl’eits‘gal
2010/0023693 A1
1/2010 Dilley etal.
2010/0250710 Al*
9/2010
Cadwelletal. ............. .. 709/219
2010/0293185 A1
11/2010 Rosado etal.
2010/0325264 A1
12/2010 CroWderetal.
2011/0138394 A1
6/2011 Ravishankaretal.
2011/0218946 A1
9/2011 Sternetal.
2011/0252082 A1* 10/2011 Cobb etal. .................. .. 709/203 2011/0283304 A1
W20“ Roberts et 31'
a1
2011/0320715 A1
12/2011 Ickman etal.
8,151,317 B2
4/2012 Hlmt mt“? ~
2012/0030170 A1
2/2012 Bernboetal.
8,156,243 B2
4/2012 Rilnhonde ‘Lt l
2012/0054303 A1
3/2012 Priyadarshan etal.
8,165,122 B2
4/2012 KC *1“ $01121”
2012/0066352 Al*
3/2012 Cadwelletal. ............. .. 709/219
8041809 B2
8,255,557 132* 8,291,083 132*
9/2011 Briscoe etal. .............. .. 709/226
100011 S
dar
709019
2012/0246472 Al*
9/2012 Berengoltzetal. ......... .. 713/165
100012 Blgclk‘gtsalleta~ ~~~~~~~ '~ 709/226
8/2012 RZt€1bWark‘?t ~1
2012/0303735 Al*
11/2012 Raciborskietal. ......... .. 709/212
2001/0034795 A1
10/2001 Moulton etal.
2002/0091801 A1
7/2002 Lewin etal.
2002/0133491 A1 2002/0138652 A1
9/2002 Sim etal. 9/2002 Taylor
5885;869‘53; 2}
QTHER PUBLICATIONS U.S. Appl. No. 13/336,893 Of?ce Action mailed Aug. 13, 2012, 9 pages,
1%88; gizlc?llbztslm .
U.S.Appl.No. 13/336,743, Of?ce Action mailed 061. 15, 2012, 15 '
pages.
Zoos/0005025 Al
gilg?ggmet 31' 1/2005 Harville et a1‘
“Content delivery network”, retrieved from the internet at Web addresszi http://Web.arch1ve.org/Web/2010122903l436/http://en.
2007/0l56845 Zoos/0065724 Zoos/0072264 Zoos/0077682 2008/0195664 2008/0222291 2009/0150518
7/2007 3/2008 3/2008 3/2008 8/2008 9/2008 6/2009
W1k1ped1a.org/Wlkl/Contentfdel1veryfnetwork,6pages. International Search Report dated Oct. 21, 2011 for International PCT Application No. PCT/US20ll/0234l0, 11 pages. US. Appl. No. 13/341,724, Of?ce Action mailed Jan. 4, 2013, 23 P3869
A1 A1 A1 A1 A1 A1 A1
Devanneaux et a1‘ Seed et al‘ crayford Nair et al‘ Maharajh etal. Weller etal. LeWin et al.
* cited by examiner
US. Patent
Jul. 2, 2013
Sheet 1 0f 19
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