WO2002019105A1 - Procede permettant d'effectuer des operations efficaces dans un systeme serveur - Google Patents

Procede permettant d'effectuer des operations efficaces dans un systeme serveur Download PDF

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Publication number
WO2002019105A1
WO2002019105A1 PCT/SE2001/001815 SE0101815W WO0219105A1 WO 2002019105 A1 WO2002019105 A1 WO 2002019105A1 SE 0101815 W SE0101815 W SE 0101815W WO 0219105 A1 WO0219105 A1 WO 0219105A1
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WO
WIPO (PCT)
Prior art keywords
server
requests
threads
request
internal
Prior art date
Application number
PCT/SE2001/001815
Other languages
English (en)
Inventor
Dag Brenna
Knut Eilif Husa
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Priority to AU2001282796A priority Critical patent/AU2001282796A1/en
Publication of WO2002019105A1 publication Critical patent/WO2002019105A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication

Definitions

  • the present invention relates to client-server systems in data communication networks, and in particular to a method for efficient operation on server systems in connection with long duration sessions/transactions in such systems.
  • Client-server handling systems of e.g. data communication networks normally have a structure defined by a front end server used to isolate the application of the server from the external world, wherein the application server handles the application logic and different sorts of back end systems handles data or different back end applications.
  • GB Patent No. 02339933 is based on a basic transaction service which utilizes a server thread association table, for identifying transactions currently assigned to a server thread.
  • the transaction information is in the form of a ba- sic transaction service including a transactional identifier. Synchronization between the transactional information is maintained, when a server thread switches from one transaction to another, using subordinate resource manag- ers .
  • GB Patent No. 02334116 disclose a client request schedule and dispatch apparatus for execution by server object in heterogeneous object orientated client server computing environment. More specific, this application discloses a way of allocating server thread capacity to client requests based on priority.
  • This solution is basically well known, and has been used in systems to manage requests of different priority for a long time.
  • the priority management and the inquiry into The busy/idle state of a resource required affect the ef- ficiency of systems based on this solution in a negative way.
  • GB Patent No. 02334117 consists basically of the same features as for GB Patent No. 02334116, except for the following addition: It does not schedule a request intended to use a resource which is engaged.
  • the object of the present invention is to provide a method which eliminates the drawbacks described above. This method is characterized by the features defined in the claims enclosed.
  • Figure 1 shows a general view of a situation in a three tier architecture in a client server of present technology.
  • Figure 2 shows a general view of a client server according to an embodiment of the present invention.
  • Figure 3 shows a system architecture of a mobile e-Pay system in which the present invention may be utilized.
  • Figure 1 shows a general view of a three tier architecture in a client server of today's technology comprising a front end (1) , a middle tier (2) and a back end (3) .
  • the front end server (1) is used to isolate the application from the external world, while the middle tier (2) handles the busi- ness logic of the applications deployed on the architecture, and the back end (3) handles data bases and different back end applications.
  • the middle tier (2) might be composed of Enterprise Java Bean based application servers. This technology is very ef- ficient for typical client server applications where the duration of each request from the client is very short because the implementation of the application server utilize synchronous method invocation between the different execu- tion threads within the system. However, for each request to the system, two or more threads will be used to serve the request during the whole execution. Thus, for allowing execution of a number of requests at the same time, an even larger number of threads will be required.
  • all requests (14) are made asynchronous at the inside of the front end (8) .
  • any front end thread (11) receiving a re- quest, synchronous or asynchronous will convert the request into a message and put it into a proper queue (15) within the middle tier, depending on the receiver.
  • the determination of a proper queue (15) for the receiver of the message may be implemented by JNDI (Java Naming and Direc- tory. Service) (not shown).
  • JNDI Java Naming and Direc- tory. Service
  • the thread (11) in the front end (8) will sleep until a message from the middle tier (9) returns.
  • the thread in the 5 front end (11) will terminate after transmitting the message to the queue (15) in the middle tier (9) .
  • the threads will consecutively read messages from the queues (15) , process the messages and either forward requests to the back end layer (10) or give a ⁇ o response to the front end (8) .
  • entity beans or means with similar functionalities might be used to record the states between invocation.
  • Mobile e-Pay is a component-based architecture. Each component handles specific functionality thereby allowing different sales packages to suit a buyer's needs .
  • This architecture provides a Servlet (21) for Internet based communication, and an Application Server including:
  • a Securi ty Server (23) to provide Authentication, and Digital Signing.
  • a Payment Server Gateway (24) to provide external connectivity to Payment Servers (25) and Payment Providers.
  • the Content Provider (20) will make an offer to the end user (e.g. to a Mobile Station (17) via a PLMN (18)) through the Internet (19) via the Commerce server (22) .
  • the Commerce server (22) validates that the Content provider (20) is able to make the requested transaction and identifies the payment types available to the end user.
  • the Commerce Server (22) By using the Security Server (23) , the Commerce Server (22) then presents the payment contract to the end user for authentication. On successful authentication, the payment is completed, i.e. the Payment Server (25) transfers funds from the End User account to the Content Provider (20) account .
  • the Servlet (21) represents the front end (8)
  • the Commerce Server (22) and the Security Server (23) represent the middle tier (9)
  • the Payment Server (25) (internally represented by the Payment Server Gateway (24)) represents the back end (10).
  • a main advantage of the present invention is that the number of blocked threads (12) in the middle tier (9) does not increase with the number of active transactions, but can be held at a much lower level compared to known solutions. Thus, the system of the present invention may become significantly more effective, especially in the case of long lasting transactions.
  • Another advantage of the present invention is that, because of the introduction of internal asynchronization within the client server, unnecessary blocking of threads will be avoided.
  • the threads will, for each request from a client or for each internal request, record the status of that request, and then be released to handle new requests until a response of a proceeding request returns .
  • a further advantage of the present invention is that it allows handling of asynchronous and synchronous requests by the same application server architecture.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Prostheses (AREA)
  • Computer And Data Communications (AREA)

Abstract

La présente invention concerne des systèmes client-serveur dans des réseaux de communication, notamment un procédé pour effectuer des opérations efficaces sur des systèmes serveurs à propos de transactions/sessions de longue durée dans de tels systèmes. La présente invention a trait à un procédé permettant d'établir une communication interne asynchrone entre des sous-serveurs dans un serveur appartenant à un système client-serveur. Le serveur peut comprendre un serveur frontal, un serveur à palier intermédiaire et un serveur dorsal. Les unités d'exécution dans le serveur frontal qui est utilisé pour isoler l'application du serveur de l'environnement extérieur convertit chaque requête issue d'un client en une nouvelle requête interne et la transmet dans une file d'attente se trouvant dans le palier intermédiaire. Dans ce palier intermédiaire, les unités d'exécution vont lire des requêtes/réponses internes provenant des files d'attente, les traiter, puis soit réacheminer les requêtes à la couche dorsale, soit retourner les réponses au frontal. Des actions similaires auront lieu dans le dorsal. Après chaque transmission, les unités d'exécution seront libérées afin d'exécuter de nouvelles requêtes. Toute communication interne est ainsi gérée de manière asynchrone. Cette invention permet une excellente utilisation des ressources, étant donné qu'un procédé peut exécuter d'autres requêtes au lieu de simplement attendre une réponse provenant d'ailleurs, afin de compléter la requête. La présente invention peut être avantageusement mise en oeuvre pour des services de paiement électronique.
PCT/SE2001/001815 2000-09-01 2001-08-24 Procede permettant d'effectuer des operations efficaces dans un systeme serveur WO2002019105A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001282796A AU2001282796A1 (en) 2000-09-01 2001-08-24 Method for providing efficient operations in a server system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20004360 2000-09-01
NO20004360A NO312697B1 (no) 2000-09-01 2000-09-01 Fremgangsmåte for å tilveiebringe effektive operasjoner i et serversystem

Publications (1)

Publication Number Publication Date
WO2002019105A1 true WO2002019105A1 (fr) 2002-03-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2001/001815 WO2002019105A1 (fr) 2000-09-01 2001-08-24 Procede permettant d'effectuer des operations efficaces dans un systeme serveur

Country Status (3)

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AU (1) AU2001282796A1 (fr)
NO (1) NO312697B1 (fr)
WO (1) WO2002019105A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1465128A1 (fr) * 2003-04-01 2004-10-06 Coöperatieve Centrale Raiffeisen-Boerenleenbank B.A. Appareil de transactions pour le traitement de transactions à l'aide d'un réseau de télécommunication, et système comprenant un tel appareil de transactions
WO2007017675A1 (fr) * 2005-08-10 2007-02-15 Symblan Software Limited Amelioration de l'efficacite des demandes d'un serveur de fichiers dans un dispositif informatique
US8433809B2 (en) 2011-03-15 2013-04-30 Amadeus S.A.S. Method and system for providing a session involving a plurality of software applications
US8473626B2 (en) 2011-03-15 2013-06-25 Amadeus S.A.S. Method and system for providing a session in a heterogeneous environment
US9098881B2 (en) 2011-06-27 2015-08-04 Amadeus S.A.S. Method and system for a pre-shopping reservation system with increased search efficiency
US9235620B2 (en) 2012-08-14 2016-01-12 Amadeus S.A.S. Updating cached database query results
US9514498B2 (en) 2011-03-15 2016-12-06 Amadeus S.A.S. Method and system for centralized reservation context management on multi-server reservation system
US11089079B2 (en) * 2017-11-22 2021-08-10 International Business Machines Corporation Asynchronously reading HTTP responses in separate process

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835763A (en) * 1994-06-20 1998-11-10 Candle Distributed Solutions, Inc. Threaded environment for computer systems without native threading support
CA2241881A1 (fr) * 1998-06-29 1999-12-29 Ibm Canada Limited - Ibm Canada Limitee Appels de procedure a distance dans des systemes repartis

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835763A (en) * 1994-06-20 1998-11-10 Candle Distributed Solutions, Inc. Threaded environment for computer systems without native threading support
CA2241881A1 (fr) * 1998-06-29 1999-12-29 Ibm Canada Limited - Ibm Canada Limitee Appels de procedure a distance dans des systemes repartis

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1465128A1 (fr) * 2003-04-01 2004-10-06 Coöperatieve Centrale Raiffeisen-Boerenleenbank B.A. Appareil de transactions pour le traitement de transactions à l'aide d'un réseau de télécommunication, et système comprenant un tel appareil de transactions
WO2004088605A1 (fr) * 2003-04-01 2004-10-14 Coöperatieve Centrale Raiffeisen-Boerenleenbank B.A. Appareil de transaction pour le traitement de transactions au moyen d'un reseau de communication et systeme comprenant ledit appareil de transaction
WO2007017675A1 (fr) * 2005-08-10 2007-02-15 Symblan Software Limited Amelioration de l'efficacite des demandes d'un serveur de fichiers dans un dispositif informatique
US8433809B2 (en) 2011-03-15 2013-04-30 Amadeus S.A.S. Method and system for providing a session involving a plurality of software applications
US8473626B2 (en) 2011-03-15 2013-06-25 Amadeus S.A.S. Method and system for providing a session in a heterogeneous environment
US9514498B2 (en) 2011-03-15 2016-12-06 Amadeus S.A.S. Method and system for centralized reservation context management on multi-server reservation system
US9098881B2 (en) 2011-06-27 2015-08-04 Amadeus S.A.S. Method and system for a pre-shopping reservation system with increased search efficiency
US9235620B2 (en) 2012-08-14 2016-01-12 Amadeus S.A.S. Updating cached database query results
US11089079B2 (en) * 2017-11-22 2021-08-10 International Business Machines Corporation Asynchronously reading HTTP responses in separate process

Also Published As

Publication number Publication date
NO20004360D0 (no) 2000-09-01
AU2001282796A1 (en) 2002-03-13
NO312697B1 (no) 2002-06-17
NO20004360L (no) 2002-03-04

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