US007769996B2
(12) Ulllted States Patent
(10) Patent N0.:
Randle et al. (54)
(76)
(45) Date of Patent:
PRIVATE NETWORK COMMUNICATION
5,506,961 A *
SYSTEM
5,832,209
Inventors:
William M. Randle, 2361 Morse _ Rd.,
r 15’
Orse
"
A
11/1998
5,960,200 A *
9/1999
,
6,631,416 B2*
(Us) 43229
KrantZ
. ... ... ...
\(zlmglthmtnaft e ere . 31' . . . . . ~. . . . .
7/2004 Rajakarunanayake ..... .. 370/256
6,792,466 B1*
9/2004 S
l
h t l.
6,807,636 B2* 10/2004 Hartman 61:11.
U.S.C. 154(b) by 0days.
7,203,845 B2*
Filed;
(65)
Prior Publication Data Us 2006/0053290 A1 Mar. 9, 2006
Jun_ 15, 2005
709/225
6,765,881 B1 *
P211811t 15 extended Or a(busted under 35
(22)
. . . ..
Bendinelli et a1. ........ .. 709/227
6,804,777 B2* 10/2004 11111111121;ale
Appl. N0.: 11/154,033
726/4
717/147
8/2002 Bowman-Amuah .. 10/2003
31111160110 any disclaimeritheterm Ofthis
(21)
. . . . ..
Eager et a1. ..... ..
$1:
6,438,594 B1 *
Oum us’
Aug. 3, 2010
4/1996 Carlson et a1. ............... .. 726/5
*
,
SOEmbZIQSéPBP/II (US)R‘:132é9’1Ragldalé)g‘
(*) Notice?
US 7,769,996 B2
709/229
713/170 726/14
4/2007 Sokolic 61:11.
713/194
2002/0075844 A1*
6/2002
Hagen ...................... .. 370/351
2003/0028762 2003/0105812 2004/0083297 2005/0071283
2/2003 6/2003 4/2004 3/2005
Trilli et a1. ................ .. 713/153 Flowers et a1. 709/203 GaZZetta et a1. ........... .. 709/229 Randle et a1.
A1* A1* A1* A1
(Commued) OTHER PUBLICATIONS
Related US. Application Data (63)
US. Appl. No. l0/890,495, Christopher D. Guck et a1. _
Continuation of application No. 10/ 967,991, ?led on
Oct. 19, 2004, and a continuation-in-part of applicaP .
tionNo.10/283 038 ?led O11 OCI. 25 2002 now Pat.
(74) Ammey’ Agem’ 0r Flrmiponer Wnght Moms &
No. 7,565,326, and a continuation-in-part of applica-
Arthur’ LLP
tion 130. 09/578,329, ?led on May 25, 2000, now aban-
(57)
one
(51) (52)
(comlnued)
tion No. 10/459,694, ?led on Jun. 11, 2003, now Pat. . . . . No. 7,568,222, and a cont1nuat1on-1n-part of appllca-
.
.
-
-
ABSTRACT
.
Int CL H04L 29/06
A secure gateway is disclosed which facilitates communica tion between a ?rst network and a second network through an
(200601) _
_
us. Cl. ....................... .. 713/153 705/79 370/351
_
1nterme 1ate networ .
'
370/430_’709/238’_ 709 /2 4 4’ _
(58)
.
rzmary ExammeriFand Homayounmehr
_
_
’
Fleld of Classl?catlon Search S 1. t. ?l f 1 t ee app lea Ion
(56)
’
_
d.
.
k Th
esecure
g
atewa ,w eno erate
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served securely through this gateway, across the open net
work, to a known requester, without fear of compromising the security or privacy of the server’s or requesters networks.
Us. PATENT DOCUMENTS l/l989
1n
d.
secure peer to peer connectivity with integral security fea
15 Dry’
References Cited
4,799,156 A *
P
tures such as mutual authentication, authorization speci?c access, and end to end auditing.AnauthoriZed service can be
hih. t’
e or Comp 6 e Seam
.
COIIJUIICUOII w1th at least one other secure gateway, supports
21 Claims, 16 Drawing Sheets
Shavit etal. ................ .. 705/26
430
SERVICE
SERVICE PROVIDER A
REQUESTOR A
SERVICE PROVIDER B
420n
US 7,769,996 B2 Page 2 US. PATENT DOCUMENTS 2005/0132086 2006/0015450 2006/0053290 2006/0107036 2006/0268829 2008/0066165
A1* 6/2005 Flurry et a1. .............. .. 709/238 A1 1/2006 (Rtgglzteilél A1 3/2006 A1* 5/2006 Randle et al'' """"""" " 7l3/l53 A1* 11/2006 Nedeltchev ............... .. 370/352 A1* 3/2008 Rosenoer ..................... .. 726/5
2010/0064133 A1*
3/2010
MaItin etal.
............. .. 713/154
OTHER PUBLICATIONS
U.S. Appl. No. 10/s23,442, ?ledApr. 2004, William M. Randle et a1. U.S.Appl.N0. 10/967,991, ?ledOct. 2004,William M. Randle etal. U.S.Appl.N0. 11/154,033, ?ledJun. 2005,Wil1iamM. Randle etal.
* cited by examiner
US. Patent
Aug. 3, 2010
Sheet 2 6f 16
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US. Patent
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Aug. 3, 2010
Sheet 4 6f 16
US 7,769,996 B2
US. Patent
Aug. 3, 2010
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Sheet 5 6f 16
US 7,769,996 B2