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`United States Patent
`(12)
`US 6,393,497 B1
`(10) Patent No.:
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`May21, 2002
`(45) Date of Patent:
`Arnold et al.
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`US006393497B1
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`(75)
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`(54) DOWNLOADABLE SMART PROXIES FOR
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`PERFORMING PROCESSING ASSOCIATED
`WITH A REMOTE PROCEDURE CALL IN A
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`DISTRIBUTED SYSTEM
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`Inventors: Kenneth C. R. C. Arnold, Lexington;
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`James H. Waldo, Dracut; Robert
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`Scheifler, Somerville; Ann M.
`Wollrath, Groton, all of MA (US)
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`(73) Assignee: Sun Microsystems, Inc., Palo Alto, CA
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`(US)
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`(*) Notice:
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`Subject to any disclaimer, the term ofthis
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`patent is extended or adjusted under 35
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`US.C. 154(b) by 0 days.
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`EP
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`EP
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`et
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`al.
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`5,297,283 A
`3/1994 Kelly, Jr. etal.
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`5,307,490 A
`4/1994 Davidson
`aaa A
`eii904 rter bal
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`2
`2
`n et al.
`U1
`5,386,568 A
`1/1995 Wold etal.
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`(List continued on next page.)
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`FOREIGN PATENT DOCUMENTS
`0300516 A2
`1/1989
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`4 et 330 “ 1000
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`3/1992
`0 472 874 Al
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`(List continued on next page.)
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`OTHER PUBLICATIONS
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`Sun Microsystems, Java Remote Method Invocation Speci-
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`fication, Feb. 10, 1997, pp. 18-23.*
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`Aldrich et al., “Providing Easier Access to Remote Objects
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`in Client-Server Systems,” System Sciences, 1998, Pro-
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`ceedings of the 31st Hawaii Internat’1. Conference, Jan. 6-9,
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`1998, pp. 366-375.
`(List continued on next page.)
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`Primary Examiner—Kenneth R. Coulter
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`(74) Attorney, Agent, or Firm—¥innegan, Henderson,
`Farabow, Garrett & Dunner, L.L.P.
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`ABSTRACT
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`(57)
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`(21) Appl. No.: 09/044,930
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`(22) Filed
`Mar. 20, 1998
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`seseeseseees GO06F 13/00
`(51)
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`.... 709/330; 709/315
`(52)
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`(58) Field of Search...sOBhs oe
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`(56)
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`CLIENT MACHINE
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`SERVER MACHINE
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`CALL FOR REQUEST
`
`RESPONSE
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`LGEExhibit-1006/Page 1 of 20
`LGEv. Uniloc
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`LGE Exhibit-1006/Page 1 of 20
`LGE v. Uniloc
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`

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`LGE Exhibit-1006/Page 2 of 20
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`

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`US 6,393,497 B1
`Page 3
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`
`
`
`
`Orfali R. et al., “The Essential Distributed Objects Survival
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`Guide,” Chapter 11: Corba Commercial ORBs, John Wiley
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`
`
`& Sons, Inc., (1996).
`
`
`
`
`
`
`
`Venners, B., “Jini Technology, Out of the Box”, Javaworld,
`
`
`
`
`Online!, pp 1-4, Dec. 1998.
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`* cited by examiner
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`LGEExhibit-1006/Page 5 of 20
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`LGE Exhibit-1006/Page 5 of 20
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`May 21, 2002
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`May 21, 2002
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`LGE Exhibit-1006/Page 11 of 20
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`U.S. Patent
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`May 21, 2002
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`Sheet 7 of8
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`US 6,393,497 B1
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`CLIENT TRANSMITS A CALL OR REQUEST
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`FIG. 7
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`LGEExhibit-1006/Page 12 of 20
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`LGE Exhibit-1006/Page 12 of 20
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`

`U.S. Patent
`
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`
`
`May 21, 2002
`
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`
`Sheet 8 of 8
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`
`US 6,393,497 B1
`
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`800
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`FIG. 8
`
`LGEExhibit-1006/Page 13 of 20
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`DOWNLOAD
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`UPDATED
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`CODE AND
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`PROCESSING
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`UPDATE
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`PROCESSING
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` 801
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`LGE Exhibit-1006/Page 13 of 20
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`

`

`
`
`US 6,393,497 B1
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`
`1
`DOWNLOADABLE SMART PROXIES FOR
`
`
`
`
`PERFORMING PROCESSING ASSOCIATED
`
`
`
`WITH A REMOTE PROCEDURE CALL IN A
`
`
`
`
`
`DISTRIBUTED SYSTEM
`
`
`REFERENCE TO RELATED APPLICATIONS
`
`
`
`
`
`
`
`
`Provisional U.S. patent application No. 60/076,048,
`
`
`
`
`
`
`entitled “Distributed Computing System,” filed on Feb. 26,
`1998.
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,923, entitled
`
`
`
`
`
`
`
`“Method and System for Leasing Storage,”filed on the same
`date herewith.
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,838, entitled
`
`
`
`
`
`
`“Method, Apparatus, and Product for Leasing of Delegation
`
`
`
`
`
`
`Certificates in a Distributed System,”filed on the same date
`herewith.
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,834, entitled
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`
`
`
`
`
`
`
`“Method, Apparatus and Product for Leasing of Group
`
`
`
`
`
`
`
`Membershipin a Distributed System,”filed on the same date
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`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,916, entitled
`
`
`
`
`
`
`
`
`
`“Leasing for Failure Detection,” filed on the same date
`herewith.
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`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/144,933, entitled
`
`
`
`
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`
`“Method for Transporting Behavior
`in Event Based
`
`
`
`
`
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`
`System,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,919, entitled
`
`
`
`
`
`
`“Deferred Reconstruction of Objects and Remote Loading
`
`
`
`
`
`
`
`for Event Notification in a Distributed System,”filed on the
`same date herewith.
`
`
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,938, entitled
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`
`
`“Methods and Apparatus for Remote Method Invocation,”
`filed on the same date herewith.
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`
`U.S. patent application Ser. No. 09/045,652, entitled
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`
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`
`“Method and System for Deterministic Hashes to Identify
`
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`
`
`
`
`
`Remote Methods,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,790, entitled
`
`
`
`
`
`
`
`“Method and Apparatus for Determining Status of Remote
`
`
`
`
`
`
`
`
`Objects in a Distributed System,” filed on the same date
`herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,917, entitled
`
`
`
`
`
`
`“Suspension and Continuation of Remote Methods,” and
`filed on the same date herewith.
`
`
`
`
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,835, entitled
`
`
`
`
`
`
`
`“Method and System for Multi-Entry and Multi-Template
`
`
`
`
`
`
`
`
`Matching in a Database,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,839, entitled
`
`
`
`
`
`
`
`“Method and System for
`In-Place Modifications in a
`
`
`
`
`
`
`
`Database,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,945, entitled
`
`
`
`
`
`
`
`“Method and System for Typesafe Attribute Matching in a
`
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`
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`
`
`Database,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,931, entitled
`
`
`
`
`
`
`“Dynamic Lookup Service in a Distributed System,” filed on
`the same date herewith.
`
`
`
`
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,939, entitled
`
`
`
`
`
`
`
`“Apparatus and Method for Providing Downloadable Code
`
`
`
`
`
`
`for Use in Communicating with a Device in a Distributed
`
`
`
`
`
`
`
`System,” filed on the same date herewith.
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044,826, entitled
`
`
`
`
`
`
`
`“Method and System for Facilitating Access to a Lookup
`
`
`
`
`
`
`Service,” filed on the same date herewith.
`
`
`
`
`
`
`
`USS. patent application No. 09/030,840, entitled “Method
`
`
`
`
`
`
`
`and Apparatus for Dynamic Distributed Computing Over a
`
`
`
`
`
`
`Network, ” and filed on Feb. 26, 1998.
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`10
`
`15
`
`
`
`20
`
`25
`
`
`
`30
`
`35
`
`
`
`40
`
`
`
`45
`
`
`
`50
`
`
`
`55
`
`
`
`60
`
`
`
`65
`
`
`
`
`
`
`
`
`
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`
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`
`2
`
`
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`
`
`U.S. patent application Ser. No. 09/044,932, entitled
`
`
`
`
`
`
`
`“Apparatus and Method for Dynamically Verifying Infor-
`
`
`
`
`
`
`
`mation in a Distributed System,” filed on the same date
`herewith.
`
`
`
`
`
`
`
`
`U.S. patent application Ser. No. 09/044