TW583857B - Official announcement-informing service system based on digital subscriber line network - Google Patents

Abstract

A system is provided for automatically informing various items of official announcement through a DAL (digital subscriber line) network. The official announcement-informing system comprises: an official announcement server for transmitting one or more new items of official announcement to a subscriber in response to a demand for official announcement from the subscriber, wherein he official announcement server is provided with a data base (DB) for the items of official announcement to be transferred to subscribers of a DSL network; and DSL network subscriber equipment which demands and downloads one or more new items of official announcement form the official announcement server and displays an automatic pop-up screen if a connection to the DSL network is executed. In addition, the subscriber equipment allows the subscriber to search and view the one or more items of official announcement by connecting to the official announcement server through a web.

Description

583857 V. Description of the invention (1) 1. Field of the invention The present invention relates to a digital subscriber line (DSL) network and a system related to DSL and network service information. (Temple) 疋 About the notice 2 · Related technical description: General Γ.ΓΓ: The DSL shown by '* is a high-speed modem demodulation $ (_) technology, which is implemented to meet the mass market of high-speed Internet connections : Don't make use of existing telephone services over twisted-pair wires to enable public-network technology in a limited distance: This kind of XDSL includes various DSL services such as ADSL (Symmetric Digital Subscriber Line), HDSL (High Speed Digital Subscriber Line), SDSL (Single Line Digital Subscriber Line) 'UDSL (Universal Digital Subscriber Line), VDSL (High Speed Digital Subscriber Line). If a person wants to use DSL as described above, he must be a customer of D service provider and have a built-in or external DSL modem with a PC (personal computer) as the client device. Referring to FIG. 1, an example of a conventional ADSL network as a DSL is shown. ADSL modem 1 〇2 is connected to DSLAM (digital subscriber line access module end office modem group) 108 via telephone line 106, telephone line 丨 〇6 is copper, and the ADSL modem is ATU-R ( Asymmetric Digital Subscriber Line Remote Termination End Element) 'It is a user equipment that is connected to PC 100 in the user's room via a 10-] 3ase-T line, and DSLAM is the ATU-C (Asymmetric Digital Subscriber) located in the operation center. The end of the line terminal ends). In addition, a filter 104 is provided between the general telephone and telephone line 106 to separate the ADSL signal and the general telephone signal. DSLAM 1 08 is connected to NAS (Network Storage Equipment) 112 via STM-1 (Synchronous Transmission Modulus-1) line 1 10, and STM-1 line 110 is a synchronous transmission line. NAS via 583857 V. Description of the invention (2) Connected to the Gigabit switch 1 1 4 by a 100-base-T line, and the switch · 11 4 is connected via a GSR (Gigabit Switch Router) 1 1 8 To the Internet 120 ° DSLA Μ 108 Concentrates the signal of the frequency band of the general telephone that is not ready to be received by the client, decompresses and converts the concentrated ADSL frame into packet data of the corresponding destination, and passes ST Μ -1 line 11 0Send packet data. d $ ^ Α Μ 1 0 8 According to the packet information received by the user, the ADSL frame is generated according to the user, and the A D S L frame is transmitted to the A D S L modem 1Q2 corresponding to the user. If the user attempts to connect by entering the ID and password through PC 100, the NAS will identify whether the user is an authorized user based on the ID and password, and send it to the "receiver" via GSR 118 to receive it from the authorized user. The packet data is transmitted to the Internet 120 and the NAS 112 transmits the packet data received from the Internet 120 to the corresponding DSLAM 108. Dragon 3 (component management system) 116 is also connected to the parent switch 11 4 which performs management of operations and maintenance, of which 112, switch 114 and EMS 116 correspond to the network operator (known as the "Isp long distance bureau" for example Korean network (K〇rne1 :).) When the service provider providing DSL service is disconnected via DSL network (β for system inspection, emergency repair, or similar industrial DSL, Cilu). #This kind of service interruption is not: the service at the time of coupon $ is caused by the service interruption due to service interruption / type: type = I know the user about the DSL service such as software version two. Abstract of this invention Therefore, the present invention was carried out to solve the above problems in the prior art and the purpose of the present invention is to provide:: x's formal communication σ notification service system, which can be notified from 583857 V. Description of the invention (3) Various formal notices of users. Another object of the present invention is to provide a formal notification notification service system, which allows users to confirm various formal notification matters through a website. In order to achieve the above purpose, a formal notification notification service system is provided, which includes: · A formal notification server to transmit at least one of the new formal notification items. I cry in response to the demand of the formal notification from the user. The server is provided in the form of a formal announcement database (DB) to be transmitted to users of the DSL network; and: a variety of DSL network client devices' "formal announcement server requirements and new formal announcements next night And if the connection to the DSL network is performed, it will display an automatic pop-up window. In addition, the client device allows the user to search for and view formal announcements through the web server. 'ί! The preferred embodiment of the invention will be described in more detail with reference to related drawings. In the following description of the present invention, the detailed description of known functions and constructions herein may change the subject matter of the present invention. When it is unclear, the detailed description will be omitted. Moreover, the application of the network is an example of two DSLs. The s scattered double description is shown in FIG. The system diagram of the formal notification notification service system of the embodiment. As mentioned above, in the ADSL network shown in Figure 1, the service provider's formal notification server 1 22 is connected to the Internet 丨 20 to provide users at least- A formal notice notice. Its +, formal notice server 583857 V. Invention Description (4) 12 2 includes a database 124 of formal notice notices and the administrator 126 is also connected to the Internet 1 2 0 to pass the Internet 1 2 0 Formal notification matters of the formal notification server 122 are managed. In the drawing, the same constituent elements as those in FIG. 1 are named with the same reference numerals, and elements not necessary for the present invention are omitted and not shown. Here, the EMS 116 shown in FIG. 1 may be used instead of the formal notification server 122 to transmit an announcement. In this case, when the client device 100 (which is a customer) requests an EMS 116 from each region, When one or more formal announcements are made, the EMS 116 server sends one or more formal announcements to each client server. In this case, the ADSL service provider's formal announcement server 1 22 can Accept and conduct high-volume user exchanges, as servers 1 22 are as stable as high-volume processing servers. However, EMS 11 6 servers cannot provide users with a formal formal notification service in the connected state and may affect customers Inherent functions, that is,]) SLAM 1 08 management functions. Therefore, the automatic formal notification notification service based on the formal notification server 122 of the ADSL service provider is more desirable. The aforementioned formal notification notification service system includes: Formal announcement pop-up module 'It has the formal announcement inquiry function and self-client browser function updated when connected; a web server connection module; a formal announcement database management input module; a program-driven and automatic connection module Group; and: a text encoding module in which the formal notification notification service system is classified into a server system of the formal notification server 12 and a client system of the client device 100. The server system uses the web server and database, as shown in Figure 3, to perform administrator management services and user formal notification services, and customers

Page 9 583857 V. Description of the invention (5) The system is designed to process information exchange, database connection and formal announcements with the server system by using applications and network services as shown in Figure 4. As described above, the formal announcement service according to the present invention is classified as: an automatic bounce service that receives one or more new formal announcement notices and performs an ADSL connection, that is, when a ppp (point-to-point transmission protocol) connection is made 'Automatically display one or more new announcements in a pop-up window after user qualification is confirmed; and a web service that allows users to connect to the website and watch the one or more new ones when they wish Notice.

The automatic bounce service is a service that automatically displays one or more formal announcements prepared by the administrator when the user connects to the formal announcement notification service system. The auto-pop-up service drives an application to display the screens shown in Figures 7a and 7b or drives a web browser, thereby allowing the corresponding page URL (consistent resources) of the formal announcement web service on the formal announcement server 1 2 2 Locator) is connected. In addition, the automatic bounce service has an ADSL connection program coordination function, so that when a connection is made by using an ADSL connection program, the formal announcement of the automatic bounce function can be performed. The client device 1 00 also has a formal notification demand module and a formal notification bounce module, and the formal notification server 1 2 2 has a formal notification connection module. The formal notification requirements module is driven by the customer's formal notification program to ask if there are one or more new formal notifications. The formal notification requirement module is designed in such a way that the connection delay time with the formal notification server 122 does not exceed 3 seconds. If such a connection fails, a reconnection attempt will be performed up to 3 times, and if such a connection fails, use The user can decide whether to perform the reconnection again and determine a time to perform the reconnection in advance, so that the reconnection is performed at a predetermined time. Official Announcement Database

583857 V. Description of the invention (6) The connection module based on the requirements of the customer $. The type of notice compliance is opposite: two: tribute: f and if any of the library connection modules include a formal, 'that is,' formal announcement Data, σ ratio car parent function, a regional station-shared official pass function and a formal notification transmission function. f: t f: Comparative function ’The official notification database connection module is based on the needs of the customer and connects to the official notification database and confirms whether the new official communication is available. The matter exists in the corresponding regional station. Regional Station_Classification Notice Function should be designed in such a way that the client and server save the same regional station code 'and if the client's regional station code is different, the regional station code can be updated. Clients and servers ask for and transmit one or more new formal announcements that match the regional station code, thereby making it possible to select and transmit formal announcements by regional station or the whole. The regional station-classification formal notification function is also designed so that when the user moves to another area, the user or ADSL installer can directly change the installation. The formal notification transmission function is used to transmit one or more formal notification notices to the customer when one or more corresponding formal notification matters exist. The client also has a formal announcement analysis function to receive one or more formal announcement matters and process data to display the one or more matters to the user. In addition, the formal announcement pop-up module is used to automatically display a pop-up screen to display the corresponding formal announcement when the corresponding main announcement is present. However, if the corresponding formal announcement does not exist, the vertical announcement pop-up module function will not be performed. > Knowing that, referring now to Figs. 5 and 6, they respectively display the client device 100 and the formal announcement that the servo is 122 according to the Yuyun service described above.

Page 11 583857 V. Description of the invention (7) Flow chart of automatic jump-out service procedure. On the 5th client device i. . To perform a ship connection, in step 2022 = to: ϋΠϊΓΓ and in step 204 via a formal notification of the existence of a requirement module request item confirmation. * There are from client devices 丨. . In this way, confirmation of the existence of a new formal announcement is required. The formal announcement server 122 will pass the database whether /: phase = the new formal announcement set by the client; it is shown in step 30 2 of FIG. 6. If it corresponds to the new formal announcement m day, then λ step m it will send a new formal announcement to the client 3: 6 -He, 甬 4 When there is a new formal announcement matter, it will notify at step 30 6 The client device 100 has no new formal announcement notice. ^ ^ At step 308, the formal notification server 122 updates the formal notification items: confirm the status so that when the next formal notification requirement exists, the participant can be completed, and then the procedure is ended. Next, if such a new formal ^: 2 in step 2 06; 2 matters exist, then download the new = notice item in step 208 client device 100 and pop out the module to display the formal via the formal notice in step 丨 丨 〇 Notice matters pop up screen. The process will be terminated unless new formal notices exist. = By using the ADSL connection to automatically notify the user of the necessary formal communication items, it can reduce user dissatisfaction and increase service quality. ^ k ’The formal announcement web service is used to provide formal announcement notifications using the application screen shown in FIG. 9, which is the same as the automatic announcement notifications that are automatically launched in a website environment. Accordingly, the administrator 丨 2 6 can perform the management more conveniently and the user can use the website to receive the service. Official notification network

Page 12 583857 V. Description of the invention (8) I ~ '' "

The road service is a service that enables the use of I to connect to the 弋 L σ server 1 2 2 of the ADSL service provider and allows the user to search and confirm a detailed list of announcements at any time when he wishes. Network services include a formal notification connection 2 < also function, a formal notification authority setting function, a formal notification selection function, a formal notification listing service, a formal notification search service, and a formal notification management service. The formal notification connection identity authentication function is used to authenticate permitted users, and the formal notification authority setting function enables preparation according to the formal notification matters of the authority. The formal notification selection function allows the selection of stations in the desired area or all areas. Preparations for formal announcements can be made. The formal announcement enumeration service is used to display a list of all the formal announcements and the formal announcement search service is used to search for the desired matters of the formal announcements or to categorize the formal announcements based on dates, topics or similar items matter. The formal notification official service enables the administrator to perform management such as input, modification, and deletion, and if the user is connected to the Internet 120, the user can dynamically watch the formal notification event to be notified via the PC 100.

Referring now to FIG. 8, there is shown a flowchart of a formal notification of a website service procedure by a user user in accordance with a specific embodiment of the present invention in connection with a website service as described above. In step 400, if the user turns on the client device 100 to drive the web browser, the client device 100 connects to the formal notification server 122 via the Internet 120. After that, in step 402, the client device 100 uses the application shown in FIG. 9 to receive a list of all the formal announcements according to the user's needs or according to the search or classification by the user from the formal announcement server 1 2 2 A list of one or more formal notices, and

Page 13 583857 5. Description of the invention (9) The browser displays the list or one or more formal announcements so that the user can view the one or more formal announcements. Therefore, when the user wishes, the user can connect to the website at any time and search and confirm the official announcement list. As described above, according to the present invention, there is an advantage that when a user is connected to a DSL network, the inconvenience to the user can be minimized and the service quality can be enhanced by automatically transmitting the formal announcements required by the user. In addition, the user can always connect to the website and search and confirm the official notification list whenever the user wishes.

The official announcement server of the website 1 2 2 also has various enhanced expansibility, economy, reliability, convenience, and similar properties, and the summary is as follows: i) Regarding expansibility, 'expand server capacity and the number of simultaneous connections are Easy. And maintenance, additional developments, and expansions can be easily performed. In particular, due to website service operations, costs, and terms, it is easy to change the design and additional development and expansion of the system in the future, so as to obtain future improved website services and compare with the additional development of applications, changing, The difficulty of additionally developing and expanding the system can be reduced. , Ii) Off = economical, compared with the case of using a regionally classified server, the cost of installation, management and maintenance can be reduced because these

Server-managed. FTP limits the number of connections. The main-factory μ r limits the number of connections. One parent can have 2 5 6 connections. Although this number is worthwhile—the server is short and fine. Although ..., this number. Can be the same for each server. ; ,,,,,,,,, and the page wedge make each server theoretically from (000 to an unlimited number of connections, so expansion. The cost of expansion can be reduced. In addition, the management of all Behr libraries and their analogues is performed in an integrated manner.

Page 14 583857 V. Description of the invention (10) iii) The system of the present invention is also advantageous in terms of reliability and convenience. Because a set of web feeding devices are integratedly managed, its operation is simple and convenient, and When obstacles occur, they can easily cope with obstacles. In addition, because two or more servers are connected to each other, even if an obstacle occurs on one server, the other servers can be used as a backup system to complete unsuccessful tasks. 1 v) The system of the present invention is stable, because the system of the present invention shares important data with the database, which can minimize the defects of the data. Moreover, if one server point is stopped while a task is running, other server points will complete the task without being disturbed by the user. Therefore, the stability of the service can be improved.

v) When maintaining and repairing the system of the present invention and its service reorganization, there is no substantial server downtime. This is because while one server continues to provide services, the other server is performing maintenance and repair work, and the other server can provide services directly after the maintenance and repair work is completed. In addition, since the load is shared equally among the server groups, the load on each server can be minimized. Moreover, compared with the packet of the FTP server, the system of the present invention V 1) because the system of the present invention operates in a webpage mode, each administrator can manage the entire formal announcement and update it regardless of time and place. Moreover, two or more =, the member y performs or shares such management at the same time to divide the work by one official member by dividing the authority. In addition, since the web service interface can be easily changed only by uploading a screen, the system has a modifiable interface. v 1 1 ^ Although the FTP server is limited to its restart function, the web server can provide the restart function. Therefore, in the future, it can be used again. 583857 V. Description of Invention (11) Begins to expand functions. Although the present invention is shown and described with reference to a specific preferred embodiment of the present invention, those skilled in the art will understand that various changes in form and detail can be made without departing from the spirit of the invention as defined by the scope of the appended patents. And intention. In particular, although many examples apply the invention to ADSL networks, the invention can also be applied to other forms of DSL networks. In addition, the automatic bounce service and network service are exemplified in the form of an automatic formal notification service, and only one of these services can be used. Therefore, the scope of the present invention should not be defined by the above-mentioned description using specific embodiments, but should be defined by the scope of the related patent applications and their equivalents.

583857

Fig. 9 is an example of a formal announcement automatic website service application window for a user #standby according to the present invention. ~ Explanation of component symbols Figure 1

"In-House of Subscriber" is translated as "Copper Line Section", "Copper Section " Operational Center" is translated as "Operation Center" and "Transport Line Section" is translated as, "Transport Line Section"

Page 583857

Schematic description of π Τ ο 1 1 C ente rπ translated into π long distance office " π I nterne tπ translated into π Internet " n EMS " translated into " enhanced short message service '' n DSL AM " translated Access multiplexer for π digital subscriber line "" NASn translates to π network storage device "Figure 2" REMOTE UPDATE WEB SERVICE "option & &" MANAGE WEB SERVICE "translates to, manage the network ^ New network service Figure 3 n Server "translated into π server" n C 1 usterin gπ translated into "classification" n Date 丨 丨 translated 丨 丨 day period M Load dispersion 丨 丨 translated 丨 丨 load dispersion " " Failover provision " is translated as " Failure to take over n Web Services as "web service" '' Notice Service "is translated as" notification service "" Operation server" is translated as "operation server" '' "RDBMS" translates to "backend database management server;" Query Procedure "translates to" query steps ^ π 0 DBC π translates to π open database connection "'' COMM Manager π translates to nc〇MM administrator " n Notice Manager " Notify the administrator "n Notice " translated as" notice "stomach ADSL connection Massage. Asymmetric Digital Subscriber Line

583857 Schematic description

Service authorization Message " translates to "Service Identity Authentication News 丨, Q uer y " translates to 丨 丨 Inquiry" Figure 4 n S ubscribe rπ translates to π user π π M anager 丨 丨 translates to 丨 administrator 丨 丨 n Appl icat ion "translates to π application" π Web Service " translate to π web service "M Massage Pop — up '· translates to" til information s trillion out, n Browser Driving "translates to" browser driver "M Instal 1 "Program Dr i ving" translates as "installing a program driver" Comparing and Processing Module Massage, 1 translates as "comparison and processing module information π n Data Parsing" translates as π data analysis "'' Massage Processing" translates as' 'Message processing' f 'DB Connect i on "translates to π database connection" n Server Connect ionn translates to "server connection, π N 〇tic eπ translates to ff notification π f, Μ essag eπ translates to" Message π Figure 5 " Executing ADSL connection ', translated as "execute ADSL connection,' Connection to official announcement server" translated as "connect to official announcement server"… 583 857 Schematic explanation 丨 Demanding confirmation of new official 'a nn ounce men t1 丨 translates to 丨 丨 New official announcement confirms the demand 丨 丨 New official announcement exists? ”Translates to“ Does a new official announcement exist? Π " Downloading new official announcement inf ormat ion "quote" Download new jl-style notification ",« " Displaying corresponding official announcement on pop-up window " translates to n corresponding pop-up announcement on pop-up screen display n π Ν0Π "No" n end " translated to π end π Figure 6 `` START "translated to " start " Confirmation of official announcement is demanded? 丨 丨 translated 丨 丨 formal notification confirmation is required? n n NO "translates to" no "nYES" translates to "y" n New official announcement exists? 1 'translates to π Does the new official announcement exist? π " Transmitting new official announcement 丨 丨 translated to 丨 丨 Transfer new official announcement " ('' Notifying that new official announcement is not present 丨 'translated to 丨 notify that the new official announcement does not exist 丨 丨 " Updating the state of confirmed official announcement rated to corresponding subscriber

Page 583857 The diagram briefly illustrates the equipment " translated to update the status of the confirmed formal announcement corresponding to the corresponding client device " n endn translated to π endπ Figure 7a, subscriber official announcement of ADSL 丨 丨"Confirm of new official announcement11" translated to π Confirm new official announcement π Figure 7b 丨 Subscriber official announcement of ADSL1 丨 Translated to `` ADSL user official announcementπ 丨 丨 test file for "user official announcement" is translated into the test file of the user's official announcement "

n2.use modified KTBoard.cfg " translates to "Use modified KTBoard.cfgM" 3.KTBoard.cfg file is made inevitably due to IP publication problem, user account problem etc. and then it has to be determined when all situation and circumstance are fixed 丨, translated as `` KTBoard. cfg broadcast case is inevitably created due to IP announcement issues, user account issues, etc. and then when all situations and accidents are resolved, the KTB 〇ard · cfg file must be determined, , M 4. If content is added or changed, official announcement is present, if content is the same as

Page 583857

The figure briefly explains the previous content, program ends automatically. H is interpreted as n If the content is added or changed, a formal announcement exists, and if the content is the same as the previous content, the program ends automatically. Figure 8 n automatic end (Α) π translates to "automatic end (Α)" " show only new official announcement (N) n translates to " only blacksman shows new official announcement (N) π nhiding 1 ist (L) π translates to π hidden list (L) π n close (X) " translates to `` Close (X) π '' ref resh (R) '' translates to "Righter (R) f, n title "Translated as" Title π n date "translated as" Date π n time'1 "as" Time π 'today official announcement' 丨 translated 丨 丨 Today's official announcement "'TITLE: FILE TYPE [URGENT]" translated as π Title: The file form [Important], "star tπ translates to" Begin 丨 丨 "" Web service connection to official announcement ε erve rn translates to n Internet month good service connected to the official announcement server good month, *

丨, Search official announcement "translates to" Searching official announcement, "" Viewing official announcement" translates to 丨 丨 Watch the official announcement M Terminating connection to official announcement server '' translates to n to end the connection with the official announcement server.mn "end" translated to "结 东 π Figure 9

Page 22 583857 Schematic description of "subscriber official announcement" translated as "subscriber official announcement" n title " translated as "title" "Official announcement of ADSL" translated " ADSL official announcement "nurgen tπ translated as & quot Important π " ge η era 1π translates to "general π 丨 丨 testing for subscriber official announcement 丨 丨 translates to " service for a table of contents in Korea communication1 'translates to" Korea Network Content table service nnserver "translated into π 4 Division month generator π nalln translated into" all n "refresh (R) " translated into" update (R) "M input title of official announcement, translated into n input formal announcement The title π n Cl ientID "translates to" customer identity authentication "" general official announcement" translates to 丨 丨 general official announcement π " window 2 0 0 0 upgrade report π translates to π window 20 00 upgrade report M " subscriber official announcement test 1 丨 丨 translated into 丨, the user officially announced the test 1Π '' official announcement Γ Translated as "formal announcement 1" nstatu sπ translated as "status" π η ο η-c ο η necti ο nstatu sπ translated as, disconnected state "M trying to connect i on" translated as π try to connect, , 丨, C ο η necti ο η " translated as 丨 丨 connected, 丨 n S en dπ translated as "transport π" &ser; ν erchang eπ translated as π change the server

Page 23

n open " translates as "open", n fetch " translates as "done, " save " translates as π storage" filter dUam subscriber line access branch group end office modem group 1 0 2 modem 1 0 6 Telephone line 108 104 110 STM-1 (synchronous transmission modulus— 丨) line 11 2 NAS (network storage device) 11 4 switch 11 8 GSR (gigabit switching router) 1 2 0 Internet 116 EMS ( Component management system) 1 2 2 server 124 database 1 2 6 administrator 1 0 0 client device 200, 202, 204, 206, 208, 302, 304, 306, 308, 400, 402 steps

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Claims (1)

583857 6. Scope of patent application The scope of patent application is: 1. A formal notification and notification service system based on DSL network. The formal notification and notification service system includes: A formal announcement server includes a database of formal announcements to be transmitted to DSL network users, and a formal announcement database connection module; wherein when a user connects to the system via a DSL network and requires formal communication,口 k 'The official announcement database connection module searches the official database in the regional station corresponding to the user, and if a new matching formal announcement item exists in the corresponding regional station, the official announcement database connection module The formal announcement information can be transmitted to the customer via the DSL network; and a DSL network client device including a formal announcement demand module and a formal announcement pop-up module, where the connection to the DSL network is performed , The client device is connected to the official announcement web service page URL of the official announcement server via the server, and the official announcement request module requires one or more new official announcement information and self-formed announcements of the official announcement server The temple server downloads the one or more new official announcement information and the official announcement pop-up module automatically pops out of the screen through the pop-up window display. Formal notice information to inform the user already under. 2 · —A formal announcement notification service system based on DSL network, where the formal announcement notification service system includes: 〃 A formal announcement server, which contains a formal communication to be transmitted to DSL network users. A database in which the formal notification server provides a service that authenticates any permitted user connected to the website, a service that searches and sorts formal notification information matters, and a management formal Page 25 583857 VI. Application for patent scope notification service so that the administrator connected to the website can enter, change, change, and / or delete one or more formal notification matters; and DSL network user equipment, which receives by A list of formal announcement information items requested by the user or one or more of the formal announcement information items from the formal announcement server based on the search or classification, and then displaying the list or one or more formal announcements via a web browser Information matters, in which the server drives the web browser and the URL of the corresponding official announcement web service page connected to the official announcement server via the DS L network. Page 26