Method and apparatus for managing a large scale network including apparatuses to be managed

44 Pages·2013·1.75 MB·English

US006243748B1
(12) United States Patent (10) Patent N0.: US 6,243,748 B1
Arai (45) Date of Patent: Jun. 5, 2001
(54) METHOD AND APPARATUS FOR 6,052,722 * 4/2000 Taghadoss .......................... .. 709/223
MANAGING A LARGE SCALE NETWORK 6,112,015 * 8/2000 Planas et a1. ................. .. 395/200.53
INCLUDING APPARATUSES To BE , . .
MANAGED cited by examiner
Primary Examiner—Viet D. Vu
(75) Inventor: Toshlhlko Aral’ kanagawa (JP) (74) Attorney, Agent, or Firm—Helfgott & Karas, P C.
(73) Assignee: Fujitsu Limited, Kawasaki (JP) (57) ABSTRACT
( * ) Notice: Subject to any disclaimer, the term of this In a large-scale network having a plurality of apparatuses
patent is extended or adjusted under 35 to-be-managed, and a managing apparatus Which manages
U.S.C. 154(b) by 0 days. the apparatuses to-be-managed; the apparatus to-be
managed comprises a number-of-times-of-status-changes
(21) App1_ No; 09/126,246 information update unit Which updates the cumulative num
_ ber of times of status changes, and a number-of-times-of
(22) Flled: Jul- 30’ 1998 status-changes information storage unit Which stores therein
(30) Foreign Application Priority Data the cumulative number of times of status changes as updated
by the number-of-times-of-status-changes information
Oct. 20, 1997 (JP) ................................................. .. 9-286665 update unit; and the managing apparatus Comprises a
(51) Int. c1.7 .................................................... .. G06F 13/00 numbefliofl-timesrof-sfus-chgngesfieformagion acq‘?si?on
_ _ unit W 1c acquires t e num er-o -t1mes-o -status-c anges
"""""" " 709/223’ 709/7221: information from the number-of-times-of-status-changes
information storage unit, a status change decision unit Which
709/222, 223, 224, 227, 230, 237, 313
decides Whether any status change is present or absent, in
, accordance With the numbers of times of status changes as
(56) References Cited acqui- red from the number-of-ti- mes-of-status-changes i- nfor
U_S_ PATENT DOCUMENTS mation acquisition unit, and a status information acquisition
unit Which acquires status information from the apparatus
5,568,605 * 10/1996 Clouston et a1. ...................... .. 714/4 to_be_managed in a Case Where the presence of the Status
5’703’938 * 12/1997 Lucas et a1’ 379/112 change has been decided by the status change decision unit
5,710,885 * 1/1998 Bondi ........... .. 709/224 '
5,734,642 * 3/1998 Vaishnavi et a1 370/255
5,842,043 * 11/1998 Nishimura ............................ .. 710/36 16 Claims, 34 Drawing Sheets
APPARATUS TO-BE-MANAGED 5 MANAGING APPARATUS 1
NUMBER-OF-T l MES-— NUMBER-OF-Tl MES- NUMBER-OF-T I MES- STATUS
OF-STATUS-CHANGES ‘ OF-STATUS-CHANGES ‘ OF-STATUS-CHANGES ‘ STATUS CHANGES ‘ INFORMATION
INFORMATION ' INFORMATION ' INFORMATION ' DECISION UNIT ' ACQUISITION
UPDATE UNIT STORAGE UNIT ACQUISITION UNIT UNIT
6 4
U.S. Patent Jun. 5, 2001 Sheet 1 0f 34 US 6,243,748 B1
.HEE

U.S. Patent Jun. 5, 2001 Sheet 3 0f 34 US 6,243,748 B1
F
A
<NO_n_.
o
U.S. Patent Jun. 5, 2001 Sheet 4 0f 34 US 6,243,748 B1
1O WAN Q O: NODES
[j I NETWORK MANAGING
APPARATUS
FIG. 2B
U.S. Patent Jun. 5, 2001 Sheet 5 0f 34 US 6,243,748 B1
Root
CCITT ISO Joint CCITf/ISO
Standard Identified organization
@ - Int-e rnet -0 - - o
l=directory
2=mgmt
a e e e 3=experimental
4=private
APPARATUS
APPARATUS ( 1 ) ( ‘ 6 APPARATUS (N
21m" 0 @/ E) §+2%Us@ -- 0
CONFIGURATION
INFORMATION §§f$§§ws
FIG. 3
U.S. Patent
Jun. 5, 2001 Sheet 6 0f 34 US 6,243,748 B1
NETWORK
MANAGING
WAN NODE APPARATUS
GET request(SYs) '1
~GET SUPERVISION
response SEQUENCE FOR
GET requestCpoI) ONE NODE
GET response
ET (FAN
f0 n = FAN ._G_____.__.____req)u est
0003500025; fan
MODULE GET response
GET response
GET request(LS#9)
00a0003327a, 00a000%3»::5 0000003&%2;: ‘‘o000$i5t2s;
GET response
GET reques? LIN #01
GET response
sys = SYSTEN
CONTROL
2 s MODULE
pow = POWER
SUPPLY
WAN NODE
MODULE
FIG. 4
U.S. Patent Jun. 5, 2001 Sheet 7 0f 34 US 6,243,748 B1
M= MANAGER APPARATUS
AH )~ A( n) = AGENT APPARATUSES
FIG. 5