WO2008021051A2 - Transmission of information to gaming machines from a server - Google Patents

Transmission of information to gaming machines from a server Download PDF

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Publication number
WO2008021051A2
WO2008021051A2 PCT/US2007/017488 US2007017488W WO2008021051A2 WO 2008021051 A2 WO2008021051 A2 WO 2008021051A2 US 2007017488 W US2007017488 W US 2007017488W WO 2008021051 A2 WO2008021051 A2 WO 2008021051A2
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WO
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Patent type
Prior art keywords
server
browser
message
information
computing apparatus
Prior art date
Application number
PCT/US2007/017488
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French (fr)
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WO2008021051A3 (en )
Inventor
Christopher J. Frattinger
Michael R. Bytnar
Original Assignee
Wms Gaming Inc.
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.)
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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/30Information retrieval; Database structures therefor ; File system structures therefor
    • G06F17/30861Retrieval from the Internet, e.g. browsers
    • G06F17/30899Browsing optimisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/02Network-specific arrangements or communication protocols supporting networked applications involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/26Push based network services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/38Protocols for telewriting; Protocols for networked simulations, virtual reality or games

Abstract

A computing apparatus operating as a gaming machine permits wagering on games. A browser generates a request for information contained on a remote server. An intermediate client-side processing, ICSP, engine coupled with the browser asynchronously receives replies generated by the server containing updated information corresponding to the request. The browser, following the transmission of the request, is released to process other actions without awaiting the receipt of updated information. A communication link between the ICSP engine and the server remains always open to receive updated information from the server.

Description

TRANSMISSION OF INFORMATION TO GAMING MACHINES

FROM A SERVER

COPYRIGHT

[0001] A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent disclosure, as it appears in the Patent and Trademark Office patent files or records, but otherwise reserves all copyright rights whatsoever.

FIELD OF THE INVENTION

[0002] The present invention relates generally to communications to and from gaming machines that support wagering on wagering games, and more particularly to the flow of information between gaming machines and remote servers that support the gaming machines.

BACKGROUND OF THE INVENTION

[0003] Gaming machines, such as slot machines and video poker machines, have been a cornerstone of the gaming industry for several years. Generally, the popularity of such machines with players is dependent on the likelihood (or perceived likelihood) of winning money at the machine and the intrinsic entertainment value of the machine relative to other available gaming options. Different players, changing popularity of types of games, geographic location of a gaming machine, time of day and day of the week may cause players to be attracted to different types of gaming machines. This gives rise to a desire by operators for gaming machines that are flexible and configurable.

[0004] Microprocessor-based gaming machines that follow a client/server configuration provide flexibility through software control and the ability to communicate data and download software from a supporting server. The gaming machines are clients of one or more remotely located servers. While the gaming machines will typically contain a gaming application, i.e. game software currently in play by a user, other data or management control (gaming information) related to the current gaming application or the gaming machine may need to be obtained from a remote server. [0005] A gaming machine may request gaming information from its supporting server for different purposes. For example, where the ongoing play of the current game is dependent on the gaming machine receiving a specific data update, the gaming machine can make a corresponding specific request. Delays are commonly encountered when a browser of a gaming machine initiates an information request from a remote server. The typical browser will delay other processing until the information has been received, i.e. an hourglass being commonly displayed on the screen to indicate the browser is awaiting a reply or event. If a reply to the gaming machine from the server supplies the requested gaming information with a small enough delay to be not noticeable to the player of the game, such a system is sufficient from the player's perspective.

[0006] A gaming machine may require periodic updates of certain gaming information from its server. For example, periodic updates related to a mystery bonus prize or periodic updates of a progressive jackpot amount for display to the user may be desired. Or the gaming machine may require substantially real-time updates of certain gaming information from its server as soon as new or different gaming information becomes available to the server. For example, it may be desirable to offer a new game to the player or to download a new game to the gaming device when it becomes available from the server. Also, a remotely requested change controlled by the server for a gaming device function/property, e.g. change the volume level of the gaming device, may be desired to be accomplished in substantially real-time. It is known for the browser of the gaming machine to periodically poll its server for such gaming information. But such a polling/reply communication adds delay to the operation of the gaming machine. Such delays often result in no new information to the gaming machine where the data requested from the server by the poll has not changed. Therefore, there is'a need to minimize such disruptions for gaming machines operating as clients of a server.

SUMMARY OF THE INVENTION

[0007] According to one aspect of the present invention, an embodiment includes a computing apparatus operating as a gaming machine permits wagering on games. A browser generates a request for gaming information contained on a remote server. An intermediate client-side processing (ICSP) engine coupled with the browser asynchronously receives replies generated by the server containing updated gaming information corresponding to the request. The browser, following the transmission of the request, being released to process other actions without awaiting the receipt of updated information. A communication link between the ICSP engine and the server remains always open to receive updated information from the server.

[0008] According to another aspect of the invention, an embodiment includes a communication method adapted to support a user computing apparatus operating as a gaming machine that permits wagering on games. A first message is transmitted to a remote server from one of a browser residing on the computing apparatus and an intermediate client-side processing, ICSP, engine also residing on the computing apparatus. The first message identifies gaming information sought by the browser from the remote server and comprises a request for continuing updates of the information to be automatically initiated and transmitted from the server to the ICSP engine without a subsequent request from either the browser or the ICSP engine being sent to the server. The browser is released to process other actions following the transmitting of the first message without having received the updates of the information from the server.

[0009] According to yet another aspect of the invention, a computer readable storage medium is encoded with instructions for enabling a computing apparatus to perform the above method.

[0010] Additional aspects of the invention will be apparent to those of ordinary skill in the art in view of the detailed description of various embodiments, which is made with reference to the drawings, a brief description of which is provided below. The use of the same reference numeral in the drawings is utilized to denote identical or similar elements.

BRIEF DESCRIPTION OF THE DRAWINGS

[0011] FIG. 1 is a block diagram of the gaming system embodying the present invention.

[0012] FIG. 2 is a block diagram of a representative computing apparatus.

[0013] FIG. 3 is a signal flow diagram of prior art client/server communications. [0014] FIG. 4 is a signal flow diagram of client/server communications in accordance with an embodiment of the present invention.

[0015] FIG. 5 is a functional block diagram illustrating client/server communications in accordance with an embodiment of the present invention.

DETAILED DESCRIPTION

[0016] Various embodiments of this invention can be utilized. The drawings and descriptions of embodiments of the invention exemplify its principles and are not intended to limit the broad aspect of the invention to only the illustrated embodiments. [0017] Referring to FIG. 1, an exemplary gaming system 10 includes a central gaming facility 12 connected by communication link 16 to a local gaming facility 18, e.g. a casino, and by link 20 with the internet 22. End user computing devices including a gaming machine GM-M 24, e.g. a laptop computer, and wireless gaming machine WGM-M 26, e.g. a personal digital assistant (PDA), function as clients of the central gaming facility 12. Laptop 24 is coupled via internet service provider 28 and the internet 22 with the central gaming facility 12. The PDA 26 is connected with a wireless link by the wireless access point 29 and internet 22 to the central gaming facility 12. As used herein, "gaming" refers to the use of various games that support the placing of wagers on the outcome of the games, e.g. a video poker machine.

[0018] The central gaming facility 12 may represent a control location of a gaming business operator that supports individual gaming users, e.g. users of PDA 26 and laptop 24, as well as other gaming facilities of the operator such as casino 18. The central gaming facility 12 in this illustrative example is geographically separated from the casino 18 and the individual users. The central gaming facility 12 includes a workstation 30 supported by data storage element 32 and a server 34 that serves as a communication host for casino 18 and the individual users via firewall 36. Requests for information and/or data received from the individual users are processed by server 34. The requested information and/or data may be obtained from support resources, e.g. workstation 30 and data residing in storage element 32. The requested information is sent from the server 34 to the requesting user's devices. [0019] The local gaming facility 18 represents a casino and includes a server 40 supported by a workstation 42, data storage element 44 and a router 46. The router 46 supports communications with different gaming machines GM(I)-GM(N) 50 by wired links 48. A wireless access point 52 is connected by a wired link 48 to router 46 and by wireless communication links to wireless gaming machines WGM(I)-WGM(N) 54. [0020] At least some of the gaming machines 50 and some of the wireless gaming machines 54 support the play of wagering games in which the user's gaming machine functions in the client/server communication model with the user's gaming machine being a client of server 40. The user's gaming machine contains software which is responsible for the ongoing play of the game. However, some information or data associated with the play of the game may be obtained during the ongoing play of the game from server 40. Consistent with one objective of the embodiments of the present invention, disruptions to the ongoing play of the game from the perspective of the user due to delays in obtaining such information are minimized, if not eliminated, by the use of a push-based communication technique operating between the server and the user's gaming machine. This push-based communication technique can also be used to provide updates to gaming programs and data that do not currently support game play.

[0021] FIG. 2 is a representative computing apparatus 70 for a server. It is also applicable as architecture for the workstations and gaming machines of FIG 1. A microprocessor 72 performs processes and tasks based on stored program instructions. It is supported by readonly memory (ROM) 74, random access memory (RAM) 76 and nonvolatile data storage device 78. As will be understood by those skilled in the art, data and stored program instructions in ROM 74 is typically utilized by microprocessor 72 to initialize and boot the computing apparatus. An application program, e.g. a program that supplies data needed for the operation of a wagering game on a gaming machine, is stored in storage element 78. At least active portions of the application program will be typically stored in RAM 76 for ready access and processing by microprocessor 72. A variety of user inputs 80 such as a keyboard, keypad, and mouse can be utilized to control the operation of the server and applications running on it. A display screen 82 provides a visual output for an administrator of the server, e.g. images that show current data flow rates and operational parameters. An input/output (I/O) module 84 provides a communication interface permitting microprocessor 72 to transmit and receive data with external nodes, e.g. gaming machines. Similarly, wireless access I/O module 86 provides a communication interface permitting microprocessor 72 to transmit and receive data wirelessly with external nodes capable of compatible wireless communications. A server 70 will utilize at least one of modules 84 and 86, and may contain both to enhance communication flexibility.

[0022] FIG. 3 represents a known web application such as a hypertext transfer protocol (HTTP) request for information from a server generated by a client browser. Line 100 represents the user input at the client browser such as operating on the user's personal computer. Line 102 represents the server and supporting peripherals. The arrows 104 between lines 100 and 102 represent data transmissions and the associated delay of such transmissions. As indicated in the drawing, time is increasing from left to right. As used herein a browser, e.g. client browser, is software capable of transmitting and receiving http/https information over a network. One example of a browser is Microsoft's Internet Explorer.

[0023] In a typical implementation, the user generates an input 106 causing the user's client browser to generate an HTTP request that is transmitted as represented by arrow 108 to a server. For example, the HTTP request may represent a question as to the meaning of a particular acronym that is directed to a hosted web site on the server containing a database of acronyms. Line 110 represents processing of the received request by the server. In this example, the acronym web site will generate a query to its associated data base to locate the particular acronym. Upon the web site receiving a response to the query from the associated data base, a reply 112 is transmitted to the user's browser from the web site such as utilizing hypertext markup language (HTML) + cascading style sheet (CSS) data. The reply may contain the located definition of the requested particular acronym or an indication that such an acronym could not be located. An important aspect of this example is represented by the sequential nature of this series of communications. That is, for time Tl the user will typically be watching a screen display of an hourglass icon indicating that the client browser is awaiting an answer to the request. This is due to the normal web application model in which a reply to a request must be received (or a predetermined time out representing a reply failure) before the client browser application is made ready, i.e. released, to act on a further user input or to facilitate further processes. When the time Tl is substantial relative to an expected rate of screen image changes/refreshes, the user will likely be annoyed by the disruption.

[0024] FIG. 4 is a representative signal flow diagram of client-server communications among the user's browser 140 at a client apparatus, a server 142 and a data repository 144 in accordance with an embodiment of the present invention. Either server 34 or 40 could act as server 144 depending on the design of the network architecture and operation. As indicated in the drawing, time is increasing from left to right. In the following example, a user input 146 is an initial request for information from the server 142. The server may, but is not required to, acknowledge receipt of this request in a reply communication 148. In accordance with the push communication technique utilized by the embodiment of the present inver+:~" the server 142 will continue to transmit updates to the user's browser 140 related to the request for information without receiving or requiring the receipt of further requests for this information from the user. When and how often to send updates to the user is determined by the server 142.

[0025] This push technology operates fully asynchronously both respect to the user and the browser. This can be compared to AJAX applications that can update data displayed in a page without the user having to explicitly request it (the data delivery is asynchronous with respect to the user). The name "AJAX" was created from Asynchronous JavaScript + XML (extensible markup language. However, between the AJAX engine and the server, data is retrieved from the server in a synchronous protocol. The embodiment of the present invention is fully asynchronous, such that when new data is available, it is pushed by the server to the client without the client having to explicitly request a refresh or use a synchronous interaction with the server.

[0026] In this example, the server 142 transmits a query 150 to the data depository 144 seeking update information related to the user's request 146. The server receives a reply communication 152 from the data depository containing update information relevant to the user's request 146. The server then transmits this update information as communication 154 to the browser of the user's computing apparatus. In this example, the browser transmits an acknowledgment 156 of receipt of the update 154 to the server. However, the transmission of such an acknowledgment can be optional depending upon the design of the communication protocol.

[0027] Without receiving a further request for communications from the user, server 142 independently generates a further query 158 seeking update information related to the original request 146 and transmits the query to the data repository 144. A reply 160 is transmitted to the server and contains related update information. The server transmits this update information as a communication 162 to the browser of the user's computing apparatus. An optional acknowledgment 164 is shown transmitted from the user to the server. [0028] In this manner the server is used to push update information to the browser of the user's computing apparatus at times as determined by the server. For example, the server may send periodic queries to the data repository and determine based upon reply received from the data repository whether new update information related to request 146 is available. Alternatively, the data repository can itself monitor when new data is received from various sources coupled to it, and transmit this update information to server 142 which will then determine if such update information is to be forwarded to any of the user's computing apparatus. If new update information is available, the server will automatically transmit the user. If new update information is not available, the server need not send a communication to the user advising that no updates are available. However, if a positive confirmation is required by the user's computing apparatus that no current updates are available, then the server can transmit a communication to the user's computing apparatus advising that no updates are currently available.

[0029] One example of a suitable push technology is "Lightstreamer", see http://www.lightstreamer.com. A server equipped with Lightstreamer provides a push/streaming engine for transmitting data to an HTML browser in the client's computing apparatus through HTTP and/or HTTPS connections. On the client side, JavaScript client libraries compatible with a variety of web browsers form the receiver for the information pushed from the server. A channel is maintained open between the server and the client browser. Minimal signaling between the server and the browser is maintained over the open channel except during times when a data update is being transmitted by the server. This minimal signaling minimizes the normal load on the client browser and requires only low bandwidth during "stay alive" minimal communications. [0030] FIG. 5 shows a functional block diagram illustrating the client/server communication model in accordance with embodiments of the present invention. A client computing apparatus 170 includes an HTML browser 140 such as Microsoft's Internet Explorer. An optical, wireline or wireless based communication link exists between the client 170 and the server 142. The data repository 144 is coupled to server 142. Although the data repository and server are shown as separate elements, the functionality provided by these two elements could be combined into a single element. In this illustrative embodiment, server 142 is enabled with Lightstreamer push technology and the browser 140 includes the Lightstreamer JavaScript client library enabling the server to push selective information to the client. The browser 140 includes a user interface 172 that is coupled with an intermediate client-side processing (ICSP) engine, e.g. a JavaScript engine, 174 adapted to execute the Lightstreamer JavaScript client library functions.

[0031] An overview is provided of illustrative signaling among the elements shown in FIG. 5 that facilitates the Lightstreamer push technology. An HTTP request 180 is transmitted from the user interface 172 to server 142. This represents an initial request from the browser 140 of the user's computing apparatus for specified information. The server 142 transmits an HTTP response 182 to the user interface 172 containing the specified information as it currently exists. In this example it is assumed that server 142 had the specified information in storage; however, it will be understood that the specified inforn could have been retrieved from the data depository 144. Server 142 also stores a correlation between the address of the browser making the request 180 and the specified information so that in the future updated specified information can be provided.

[0032] A request by the user interface 172 for a refresh of the specified information is processed differently from the initial request for this information. That is, a request 184 for a refresh of the specified information is transmitted from the user interface 172 to the JavaScript engine 174 which in turn transmits a refresh request 186 to server 142. The communication link between the JavaScript engine 174 and server 142 constitutes the continuously open channel between the browser 140 and the server 142 through which information can be pushed from the server to the browser. However, in this example, a refresh request was specifically initiated by the user interface giving rise to the refresh request 186. In a typical scenario, the server 142 obtains an update of the specified information from the data repository 144 by transmitting a query 188 and receiving the reply 190 containing the current specified information. The updated specified information is transmitted from the server 142 over the open channel to the JavaScript engine 174 by communication 192. This communication is relayed by the JavaScript engine 174 to the user interface 172 as communication 194 thereby completing the requested update of the specified information. [0033] However, the user interface does not have to transmit a request for a refresh of the specified information in order to receive updated information as it becomes available to the server 142. That is, the server 142, on determining that updated information specified by the user interface is available, will automatically generate a communication 192 that is transmitted over the maintained open channel to the JavaScript engine 174 which relies the updated specified information as communication 194 to the user interface 172. Thus, the server 142 has pushed the updated data to the browser of the client without a corresponding refresh request having been transmitted from the browser.

[0034] PHP: Hypertext Preprocessor (PHP) is an alternative process for pushing information from a server to a client device. PHP is a general purpose scripting language that is especially suited for Web development and can be embedded into HTML. In another embodiment suited for wager games, it is deployed on a server that would be preferable linked to a database. A file or HTML page locally accessed by the server uses PHP features called by embedded PHP scripting language to dynamically generate a series of web pages that are automatically transmitted to the client device. This provides the user of the client device with a screen that updates under the control of the server. Of course, the client d^"-™- may transmit user inputs to the server that can effect the play of the game. This embod is especially, but not exclusively, suited for use with client devices that do not have the ability to execute scripting languages.

[0035] The computing apparatus in one example employs one or more computer readable signal bearing media. The computer-readable signal-bearing media store software, firmware and/or assembly language for performing one or more portions of one or more embodiments of the invention. The computer-readable signal-bearing medium for the computing apparatus in one example comprises one or more of a magnetic, electrical, optical, biological, and atomic data storage medium. For example, the computer-readable signal-bearing medium may comprise floppy disks, magnetic tapes, CD-ROMs, DVD-ROMs, hard disk drives, USB flash memory and electronic memory modules. In another example, the computer-readable signal-bearing medium comprises a modulated carrier signal or digital baseband signal transmitted over a network coupled with the apparatus, for instance, one or more of a telephone network, a local area network ("LAN"), a wide area network ("WAN"), the Internet, and a wireless network.

[0036] The steps or operations described herein are just exemplary- There may be many variations to these steps or operations without departing from the spirit of the invention. For instance, the steps may be performed in a differing order, or steps may be added, deleted, or modified.

[0037] Each of these embodiments and obvious variations thereof are contemplated as falling within the spirit and scope of the claimed invention, which is set forth in the following claims.

Claims

CLAIMS:What is claimed is:
1. A communication method adapted to support a user computing apparatus operating as a gaming machine that permits wagering on games comprising the steps of:
transmitting a first message to a remote server from one of a browser residing on the computing apparatus and an intermediate client-side processing, ICSP, engine also residing on the computing apparatus, where the first message identifies gaming information sought by the browser from the remote server, the first message comprising a request for continuing updates of said gaming information to be automatically initiated and transmitted from the server to the ICSP engine without a subsequent request from either the browser or the ICSP engine being sent to the server;
releasing the browser to process other actions following the transmitting of the first message without having received said updates of the gaming information from the server.
2. The communication method of claim 1 wherein the first message comprises a hypertext transfer protocol message and the continuing updates of the information are received asynchronously from the perspective of the browser.
3. The communication method of claim 1 further comprising a establishing a continuously operating communication link between the ICSP engine and the remote server.
4. The communication method of claim 3 further comprising receiving a second message by the ICSP engine from the server via said link where the second message is initiated by the server based on update information becoming available, the second message containing said update information.
5. The communication method of claim 4 further comprising receiving an input by the browser transmitted by the ICSP engine that provides the browser with said update information contained in the second message.
6. The communication method of claim 5 wherein the input is received by the browser without requiring the browser to transmit a further hypertext transfer protocol message to seek the update information.
7. The communication method of claim 5 wherein the update information is used by the browser to update data contained as part of a displayed page.
8. The communication method of claim 4 further comprising the step of querying a data repository by the server to check on the availability of update information, and receiving a reply by the server from the data repository containing the update information.
9. The communication method of claim 1 further comprising the step of using PHP: Hypertext Preprocessing by the server to automatically push updates of the gaming information from the server to the computing apparatus.
10. A computing apparatus adapted to support the operation of a gaming machine that permits wagering on games, the computing apparatus comprising:
the gaming machine having a browser and an intermediate client-side processing, ICSP, engine, where the browser and ICSP engine are in communication with a remote server;
the browser adapted to transmit a first message to the remote server where the first message identifies gaming information sought by the browser from the remote server, the first message comprising a request by the browser to receive continuing updates of said gaming information to be automatically initiated and transmitted from the server to the ICSP engine without a subsequent request from either the browser or the ICSP engine being sent to the server;
the browser being released to process other actions following the transmitting of the first message without having received said updates of the gaming information from the server.
11. The computing apparatus of claim 10 wherein the first message comprises a hypertext transfer protocol message and the browser receives the continuing updates of the information asynchronous Iy.
12. The computing apparatus of claim 10 further comprising a continuously operating communication link between the ICSP engine and the remote server.
13. The computing apparatus of claim 12 further comprising the server transmitting a second message to the ICSP engine via said link where the second message is initiated by the server based on update information becoming available, the second message containing said update information.
14. The computing apparatus of claim 13 further comprising the browser receiving an input transmitted by the ICSP engine that provides the browser with said update information contained in the second message.
15. The computing apparatus of claim 14 wherein the input is received by the browser without the browser transmitting a further hypertext transfer protocol message to seek the update information.
16. The computing apparatus of claim 14 wherein the browser uses the update information to update data contained as part of a displayed page.
17. The computing apparatus of claim 13 further comprising the server querying a data repository to check on the availability of update information, and the server receiving a reply from the data repository containing the update information.
18. The computing apparatus of claim 10 further comprising the server using PHP: Hypertext Preprocessing to automatically push updates of the gaming information to the gaming machine.
19. A computer readable storage medium encoded with instructions for controlling a computing apparatus adapted to support the operation of a gaming machine that permitr wagering on games comprising: computer readable storage instructions for transmitting a first message to a remote server from one of a browser and an intermediate client-side processing, ICSP, engine both residing on the gaming machine, where the first message identifies information sought by the browser from the remote server, the first message comprising a request for continuing updates of said information to be automatically initiated and transmitted from the server to the ICSP engine without a subsequent request from either the browser or the ICSP engine being sent to the server;
computer readable storage instructions for releasing the browser to process other actions following the transmitting of the first message without having received said updates of the information from the server.
20. A computer readable storage medium of claim 19 further comprising computer readable storage instructions for establishing a continuously operating communication link between the ICSP engine and the remote server, wherein the updates of the information are received asynchroπously from the perspective of the browser.
21. The communication method of claim 1 wherein the first message comprises a hypertext transfer protocol message.
22. The communication method of claim 1 wherein the continuing updates of the information are received asynchronously from the perspective of the browser.
23. The computing apparatus of claim 10 wherein the first message comprises a hypertext transfer protocol message.
24. The computing apparatus of claim 10 wherein the browser receives the continuing updates of the information asynchronously.
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