AU735348B2 - Management of computer workstations - Google Patents
Management of computer workstations Download PDFInfo
- Publication number
- AU735348B2 AU735348B2 AU42072/97A AU4207297A AU735348B2 AU 735348 B2 AU735348 B2 AU 735348B2 AU 42072/97 A AU42072/97 A AU 42072/97A AU 4207297 A AU4207297 A AU 4207297A AU 735348 B2 AU735348 B2 AU 735348B2
- Authority
- AU
- Australia
- Prior art keywords
- workstations
- program
- managing
- network
- data
- Prior art date
- 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.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
- Small-Scale Networks (AREA)
Description
WO 98/09402 PCT/EP97/04614 1 MANAGEMENT OF COMPUTER WORKSTATIONS The subject of this application is concerned with modern networks of computers. With the advent of reliable Local Area Networks (LANs) and good quality Wide Area Networks (WANs) it has been possible to interconnect low cost powerful personal computers and file print server equipment. Such networks of computers have grown very quickly in recent years so that it is not uncommon to find networks ranging from thousands to tens of thousands of computer (nodes) all within the same commercial organisation. Companies usually develop such networks to cover a number of main sites which will be served by LANs and interconnected via WAN links.
This structure is in marked contrast to the structure of data networks of 10 years ago where computer terminals were connected directly (or via concentrators) to one or a very few large mainframe computers.
Not only does this change represent a major difference in technology, but it also gives rise to differences in operating principles. In the old mainframe case, all services were provided and controlled centrally from the company's IT and Operations departments; whereas now there is a strong tendency to decentralise and for individual departments become responsible for their own workstation PCs. In any event, no central control is implied or (usually) imposed on LANs and their connected systems.
Management systems for controlling the network infrastructure of LAN/WAN networks are frequently to be found but to date, few (if any) of these address the problem of managing workstations and their servers (fig i).
A major problem comes about from the fact that each PC is independent of the others and thus may be configured differently and without reference to them. Each may contain different software suites as well as different hardware.
However, since they are all using a common data infrastructure (the LAN/WAN) these differences can give -2 rise to conflicts on data accesses. Furthermore, since no one authority is responsible for all the PCs, no-one can guarantee that software licence provisions are being strictly adhered to.
The resolution of these problems implies being able to define inventory classes (for groups of computers) and being able to monitor them on a continuous basis. Added to this is the problem of making changes and updates to such groups of computers as they are found to require it. The actual groupings specified will need to reflect the operational as well as organisational nature of each company concerned. In effect network administrators have to be able to define and redefine them as a company's needs change.
According to the present invention, there is provided a method of managing, at a managing station, a plurality of computer workstations interconnected by a network, the workstations being grouped in accordance with certain conditions to thereby form at least one policy group, the method including the steps of: receiving data relating to the configuration of each of the workstations, which data is used for policy group *definition; generating, in the form of a program, program data representative of the policy group definition data; sending the generated program to each of the plurality of workstations; instructing the workstations to check periodically, by employing the program, whether or not each respective workstation fulfils the conditions defined for belonging to the at least one policy groups; returning the results of the checking step from each work station to the managing station; and updating, at the managing station, a database relating to the configuration of the workstations, based upon the returned results.
This invention solves the above problems firstly by 11/05 '01 FRI 10:58 [TX/RX NO 9573] 2a allowing the network administrator the user of the network management system) to be able to define the membership conditions corresponding to each group which he wishes to create, and then to have them sent to all of the workstations on the network as a script or program data for execution within each agent locally. At this point, (the e* Se**
*S
11/05 '01 FRI 10:58 [TX/RX NO 9573] WO 98/09402 PCT/EP97/04614 3 agent residing in) each workstation will check periodically whether or not it fulfils any group membership and if so it will transmit a trap or event message to the network management station. This in turn on receiving these traps will update its database to reflect this. Thus, since the membership of each group is checked independently by each workstation, the effect is one of producing an inventory in real time of network status. Policies can therefore be managed with an assurance of accurate and timely information.
The novelty of the above approach is in respect of the fact that the decisions for group membership are taken by each workstation itself and independently of any others. In order to do this, it is necessary that the stations are capable of receiving and processing the definition information, be it in the form of a definition file or in the form of an executable script or program which is generated at the management station. This in turn implies the presence of some form of management agent in the workstations, and a communications sub-system which can send to and receive transmissions from the management system, which itself will update its database to record any changes.
One example of the present invention will now be described with reference to the accompanying drawings, in which: Figure 1 shows a computer network; Figure 2 shows a network management system employing the invention; and Figure 3 is a flow diagram of an operation according to the invention.
Figure 1 shows a standard node computer network which has plural interconnected user workstations 11. The workstations are managed from a main network management station 12.
The problem cited above of managing the workstations 11, can be seen in this context as one of updating (reading WO 98/09402 PCT/EP97/04614 4 from or writing to) database entries and as a consequence from/to the real workstation agents. When the numbers of workstations 11 start to become large from many hundreds to tens of thousands) then, although powerful management systems 12 can access these volumes automatically, it becomes impossible for the human operator to search through such volumes and indicate which agents need to be contacted.
The answer to this is to break down this mass of nodes into groups and to manage the groups as if they were individual workstations. That is, an update to a group of (for example) parameter 5 on a group will cause the management system 12 to send an update order to all nodes contained in that group, for an update to parameter 5. Such groups are often called policy groups since all members are subject to the same management rules or policies.
The main difficulty then is in being able to define which groupings are significant and to define which of the (maybe thousands of) nodes should belong to which groups.
The method of the invention can be employed on network management systems 12 of the type managing the network of figure 1. Such a system 12 is shown in figure 2 and generally consists of the following components: i. A graphical user interface 2. A network Management control program(s) 3. A database (for registering network events and recording network component information).
4. A communications sub-system (for reading and updating network component status).
Of particular importance is the management database 3 which contains a data record for each of the devices 11 (nodes hubs routers etc.) which are to be found on the network 10. Typically a record will contain information such as the node's network address, its physical parameters and may also contain data related to its identification in the company's environment, such as who is the responsible user and where it is located. Database techniques are used WO 98/09402 PCT/EP97/04614 to manage this information on larger scale management systems because of the extent of the information, the numbers of nodes involved and the inter-relationships which may exist between co-operating network devices 11.
Manageable devices 11 are those end stations which can be interrogated and updated from the management system 12.
This interrogation and updating is performed by sending messages (from the communications sub-system 4) to control programs (known as agents) which reside and are always active locally in the end stations 11. These agents are very common in network devices (such as bridges and routers) but are only just becoming available for user workstations.
The steps required for the implementation of the invention are shown in fig 3. The actions are initiated by a network administrator who will decide on the group membership conditions and configure his management station 12 accordingly (step This is then compiled into scripts or programs (step 2) which are sent to all workstation agents on the network 10 (step Note that normally there will be many group definitions active at any one time. At each workstation 11, on receiving a new group definition, the local agent will add it to his list of active group conditions and periodically will check the workstation 11 to see if any changes have taken place which affect the membership conditions (step The rate at which this checking (polling) takes place is given by the script, since some conditions are more dynamic than others.
A typical check on available disk space, for example, might be once every 15 seconds, whereas that for installed software need only be once every 10 minutes. Note that the agent will perform these checks independently of the workstation 11 being connected to the network 10, and will signal them as and when it is reconnected. This is particularly useful for portable PCs.
Whenever a change is detected which affects the membership of one or more defined groups, the agent causes WO 98/09402 PCT/EP97/04614 a trap message to be sent to signal this event (step 5).
the database entries for (optionally) generate an administrator (step 6).
the management station 12 to This trap is used to update each group and may also alarm condition for the
Claims (5)
1- A method of managing, at a managing station, a plurality of computer workstations interconnected by a network, the workstations being grouped in accordance with certain conditions to thereby form at least one policy group, the method including the steps of: receiving data relating to the configuration of each of the workstations,.which data is used for policy group definition; generating, in the form of a program, program data representative of the policy group definition data; sending the generated program to each of the plurality of workstations; instructing the workstations to check periodically, by employing the program, whether or not each respective workstation fulfils the conditions defined for belonging to the at least one policy groups; returning the results of the checking step from each work station to the managing station; and updating, at the managing station, a database relating to the configuration of the workstations, based upon the returned results.
2. A method according to claim 1, wherein the polic~y group definition data is received at a remote location-
3. A method according to claim 1 or claim 2, wherein the generated program is generated at a remote location.
4. A method according to any of claims 1 to 3, wherein the checking step is performed regardless of whether the workstation is connected to a network or not. 11/05 '01 FRI 10:58 [TX/RX NO 9573] 10/05 '01 THU 09:51 FAX 61 2 9957 3582 GRIFFITH HACK Q0j05 -8 A method according to any Of the preceding claims, wherein the generated program is altered in response to the returned results.
6. A method of managing a plurality of computer workstations substantial~ly as herein described with reference to the accompany drawings. Dated this 10th day of May 2001 METRIX S.A. By their Patent Attor-neys GRIFFITH HACK 10/05 '01 THU 09:48 [TX/RX NO 95391
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9617859 | 1996-08-27 | ||
GBGB9617859.5A GB9617859D0 (en) | 1996-08-27 | 1996-08-27 | Management of workstations |
PCT/EP1997/004614 WO1998009402A1 (en) | 1996-08-27 | 1997-08-25 | Management of computer workstations |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4207297A AU4207297A (en) | 1998-03-19 |
AU735348B2 true AU735348B2 (en) | 2001-07-05 |
Family
ID=10798975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU42072/97A Ceased AU735348B2 (en) | 1996-08-27 | 1997-08-25 | Management of computer workstations |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0919089A1 (en) |
AU (1) | AU735348B2 (en) |
GB (1) | GB9617859D0 (en) |
WO (1) | WO1998009402A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7237243B2 (en) * | 2001-06-11 | 2007-06-26 | Microsoft Corporation | Multiple device management method and system |
CA2489142C (en) * | 2002-06-20 | 2013-11-26 | Paul Francis Mckee | Distributed computer |
GB0230331D0 (en) | 2002-12-31 | 2003-02-05 | British Telecomm | Method and apparatus for operating a computer network |
US7676559B2 (en) * | 2003-06-24 | 2010-03-09 | Alcatel Lucent | Real-time policy evaluation mechanism |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193152A (en) * | 1989-11-03 | 1993-03-09 | Racal-Datacom, Inc. | Network management system with group naming |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4385384A (en) * | 1977-06-06 | 1983-05-24 | Racal Data Communications Inc. | Modem diagnostic and control system |
-
1996
- 1996-08-27 GB GBGB9617859.5A patent/GB9617859D0/en active Pending
-
1997
- 1997-08-25 EP EP97940122A patent/EP0919089A1/en not_active Withdrawn
- 1997-08-25 AU AU42072/97A patent/AU735348B2/en not_active Ceased
- 1997-08-25 WO PCT/EP1997/004614 patent/WO1998009402A1/en not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193152A (en) * | 1989-11-03 | 1993-03-09 | Racal-Datacom, Inc. | Network management system with group naming |
Also Published As
Publication number | Publication date |
---|---|
WO1998009402A1 (en) | 1998-03-05 |
EP0919089A1 (en) | 1999-06-02 |
AU4207297A (en) | 1998-03-19 |
GB9617859D0 (en) | 1996-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC1 | Assignment before grant (sect. 113) |
Owner name: METRIX S.A.R.L. Free format text: THE FORMER OWNER WAS: METRIX S.A. |
|
FGA | Letters patent sealed or granted (standard patent) |