CN1179220A - Method and apparatus for rate governing communications - Google Patents

Method and apparatus for rate governing communications Download PDF

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Publication number
CN1179220A
CN1179220A CN96192742A CN96192742A CN1179220A CN 1179220 A CN1179220 A CN 1179220A CN 96192742 A CN96192742 A CN 96192742A CN 96192742 A CN96192742 A CN 96192742A CN 1179220 A CN1179220 A CN 1179220A
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China
Prior art keywords
transmission volume
communication
service machine
data
communication unit
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CN96192742A
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Chinese (zh)
Inventor
格那·厄格勒斯顿
米奇·汉森
里查德·克勒伯斯
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Motorola Solutions Inc
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Motorola Inc
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Priority to CN96192742A priority Critical patent/CN1179220A/en
Publication of CN1179220A publication Critical patent/CN1179220A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/21—Monitoring or handling of messages
    • H04L51/234—Monitoring or handling of messages for tracking messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication

Abstract

The present invention provides a system including a rate governor is provided for monitoring and controlling the amount of communications between a remote communication unit (201) and communication server (220). Preferably, as threshold are passed a user is alerted to amounts (time and/or charges) spent or remaining, and once a use limit is reached further communication is restricted. A main rate governor (234) is maintained at the communication server (220), allowing access, control and the like by administrators (260) and the like. A further rate governor (209), responsive to the main rate governor, may also be used at the remote unit (201). By means of the rate governors a method is provided for both limiting user or group data transfer beyond a set amount, as well as providing alerts to users as a limit is approached.

Description

The method and apparatus of communication rating control
The present invention is relevant with communication, and is specifically, relevant with equipment with improving one's methods of transmission data in the communication system.
Can see growth at full speed on to the demand of the communication service wired and wireless network of handle data communication (comprise can) over past ten years.Be different from phone or the such real-time voice business of cellular wireless service such as standard, because the user is very responsive to the time allotment of spoken conversation/speech data, therefore need to adopt circuit-switched communications, in by the non-speech data communication of adopting packet switch or hybrid communication system, often can obtain higher efficient.Particularly for the situation of communicating by letter (for example sending message) by the well-known available wireless net such as GSM (global system for mobile communications) or AMPS (Advanced Mobile Phone System) with remote subscriber, at mail service or the long circuit-switched conversational of LAN (LAN (Local Area Network)) may be very expensive, because the per minute dialogue of wireless traffic operator need be collected very high expense.
Ways of addressing this issue is communication to be limited to non-conversational communication as far as possible for the user.This for example can reach by subscribing the Email supplementary service, so just can receive LAN/WAN (wide area network) Email, sends broadcast page, is transferred to the user of registration, and does not need user and mail server to keep dialogue (session).Yet the shortcoming of doing like this is to need the reservation supplementary service, thereby is restricted usually on the application type of being supported.Along with the increasing rapidly of application (as the general client-server application of Lotus Notes) towards dialogue of emerging in large numbers, how to be connected this problem also just more and more outstanding for this class provides towards the application of dialogue and user away from host server more economically.
No matter used be towards dialogue also be the communication service of non-dialogue, all wishes to limit the quantity of information of communicating by letter between remote user and the main frame so that save the time of remote user, limit the high cost of telecommunication.Unfortunately, some resemble Email typical cases uses does not provide and can be selected with the traffic that limits download or filtered up loading or download is communicated by letter by the method that the user selects.Therefore, a user who wish to receive the message of far sending has only this a kind of selection of all message of sending (or some summaries of message) of reception, handles even he may wish to stay when no longer utilizing the high cost telecommunication professional after some message etc. again.In addition, many processes, for example the typical electronic mail is answered process, all will retransmit all previous message when forming a new answer; Even these message may still stored at these two ends of wireless network, thereby have wasted bandwidth.
Except the problem of the above-mentioned type that how to make the data that need to transmit and data volume the best, also having a problem is the effective technology that lacks using rate net total value to monitor even control.Though the Network operator has the measure of following the tracks of each subscriber unit operating position, however operating position always just close in periodic bill, user or affiliated management/application device can not utilize this information usually.Therefore, user and administrative authority usually without any effective measures be controlled at a billing period during message contact situation, and the periodicity bill that can only the monitoring traffic operator provides, or react is adjusted later operating position.
Therefore, need take innovative approach to solve these and some relevant problems for data communication.
In the accompanying drawing of this explanation:
Fig. 1 is the block scheme as a communication system of first embodiment of the invention;
Fig. 2 is the block scheme as a communication system of another embodiment of the present invention;
Fig. 3 is illustrated in the process flow diagram that virtual pair words data between the difference in functionality entity of wireless communication system shown in Figure 2 transmit situation;
Fig. 4 is the process flow diagram that is illustrated in the preposition filtration embodiment that data transmit between the difference in functionality entity of wireless communication system shown in Figure 2;
Fig. 5 transmits the process flow diagram of an embodiment of preposition filtration for the illustration data;
Fig. 6 transmits the process flow diagram of another embodiment of preposition filtration for the illustration data;
Fig. 7 is the process flow diagram that is illustrated in the eap-message digest that data transmit between the different entities of wireless communication system shown in Figure 2 and selects embodiment;
Fig. 8 is used for the synoptic diagram of embodiment of the summary index of process shown in Figure 7 for illustration;
Fig. 9 is illustrated in the process flow diagram that data transmit between the difference in functionality entity of wireless communication system shown in Figure 2 optimization is answered embodiment; And
Figure 10 is the process flow diagram that is illustrated in the quota controller embodiment that data transmit between the difference in functionality entity of wireless communication system shown in Figure 2.
Proposed by the invention improve one's methods and equipment has solved above-mentioned these and other some problems.Here the present invention first main embodiment that is recommended is the system with virtual pair words managers (Virtualsession manager VSM), this VSM is used for setting up with one first data processing equipment (for example mobile subscriber) on the one hand and safeguarding a non-dialogue (sessionLess) communication path, and sets up and safeguard (session-oriented) communication path towards dialogue on the other hand with one second data processing equipment (for example host computer system).Allow long-range access for example based on the application of LAN with the communication protocol (comprising network layer and application layer protocol) towards dialogue of host computer system, and by towards the communication protocol of non-dialogue, the virtual pair words between VSM and remote user (promptly by the rate net or connect the user of coupling) allow need not special use/circuit switching to connect and realize this access.
In the second main embodiment, disposed a preposition filtration grade (prestage filterstage), the filtration parameter by user's defined (for example refuse, by or length filtration) filters the data that need transmit between communication unit and the communication service machine in distant.For download (downloading), the Email that sends from electronic post office's main frame for example, filtration parameter is inserted query aim with the most handy controller of communication service machine or message is issued electronic post office, beams back qualified mail after being implemented by the post office; Perhaps the communication service machine receives all mails that are untreated, and filter this locality, only confirms as qualified mail treated.For up loading (uploading), the Email that sends from the user for example, customer controller is implemented up preposition filtration, keeps the mail of all rounds filtrator refusal, and sends the mail by filtrator.Therefore, have only needed data (promptly satisfying those data of user-defined filtration parameter) just to transmit by the expense of the height between unit and communication service machine net far away.
In another main embodiment, utilize one to select and summary (S﹠amp; S) table or index are consulted and are asked otherwise the facility of the data just do not sent out for the user provides.User's ground far away communication unit and communication service machine both sides are safeguarding a S﹠amp; The S index wherein contains sign (summary) information about the data that also do not transmit fully between communication unit and communication service machine.When checking for transmission and filtering new data, by main computer unit or extract the sign/summary info of any number of non-compliances certificate by the communication service machine.This information stores is at the S﹠amp of communication service machine; In the S index, and at least periodically or by request send far communication unit to by updating message.According to consulting data for updating or S﹠amp; The S index, the user can send needs partly or entirely to transmit this class data request further to consult.Therefore, the present invention has been for the user provides the economic mechanism of consulting, and determines whether to need to transmit otherwise the data that will be filtered out by selected filtration parameter.
In the 4th main embodiment, the answer method for optimizing and the equipment that make the message contact are provided.When sending answer, far the controller of communication unit produces the incremental data (data of for example representing the difference between these two message) between previous message and the answer message, utilizes the identifier of this increment and previous message to form an optimized answer then.Receiving this optimization answers, the communication service machine utilizes the identifier in the data cell to retrieve this previous message from another main frame (for example with far the corresponding letter box in unit), rebuild complete answer according to message that is detected and incremental data again, send to recipient.When receiving a answer to unit far away, preferably unit and communication service machine both sides are safeguarding an index of storing the mail in the unit in distant in distant.With reference to this index, determine a previous message that forms the part of this answer.Then, the identification information according to increment and this previous message forms the optimization answer similarly, sends to far unit.Like this, just significantly reduced the traffic and the expense of answering message that send, because just increment that sends and not long header (being identification information).
At last, in the 5th embodiment, dispose a quota controller (rate governor), be used for monitoring the far traffic between the unit and communication service machine.Best, when surpassing thresholding, the user is given a warning, inform amount that used or still remaining (time and/or expense), and just forbid continuing communication in case reach the use boundary.Safeguard a main quota controller at communication service machine place, can accept the visit, control of system management and so on etc.Also can use another quota controller at the Remote Interface Unit place, this quota controller responds main quota controller.By using this quota controller to provide a kind of mechanism for far unit and communication service machine both sides, can limited subscriber or the data of customer group exceed the quata to transmit, the user is given a warning reaching when using boundary.
Referring to Fig. 1, be shown schematically in the communication system 100 that realizes according to first embodiment of the invention among the figure.One or more user's sets that this system configuration becomes support to communicate by letter with host-processor 115 by the infrastructure that comprises base station 120 and the intermediate system 125 that is connected with data network 130 are such as wireless subscriber unit (being transfer table (MS) 105).Shown under this situation, transfer table 105 is the portable computers with rf (radio frequency) modulator-demodular unit 106.Between public data network 130 and main server 115, be connected to a communication service machine 110 that comprises virtual pair words manager (VSM) and inquiry manager (QM).Virtual pair words manager and inquiry manager be the suitable data processing equipment of configuration preferably, and the program of VSM and QM is by any appropriate device such as machine readable CD-ROM111 (mini disk ROM (read-only memory)) server 110 of packing into.Corresponding user side's communication software, fore filter for example, can pack into by similarly resembling the CD-ROM107 suitable mode, can (for example also be a data treating apparatus also from server 110 user 105 that directly packs into, in fact can be any can no matter be the electronic processors of a multi-purpose computer or comparison special use by the processor (but not being the people) of programming deal with data) and so on.
In this embodiment, user 105 utilizes data network 130 used any proper data agreements (if necessary doing suitably to revise so that transmit by radio infrastructure) to communicate by letter with server/VSM110, and radio infrastructure for example can be any as ARDIS Or DataTAC , CDPD (Cellular Digital Packet Data), GPRS (GSM DPRS) and so on dedicated system.Therefore, under the driving of an incident, a non-dialogue data stream between mobile subscriber 105 and server/VSM110, occurs, and when not having communication, do not keep the connection of high cost.In order to reduce connection charge as far as possible, server 110 is preferably received on the LAN/WAN that main frame 115 hung by any standard LAN/WAN communication channel (as bus or main line).This makes the identical dialogue of being enjoyed when communication service machine 110 can be advantageously safeguarded with user 105 usually on receiving LAN/WAN with main frame 115.Therefore, by using server 110, user 105 can realize the virtual pair words with main frame 115, and the almost good LAN that directly receives main frame 115 that likes of access situation goes up like that, but greatly reduces the expense that communicates by wireless network and PDN130.
Fig. 2 illustration the communication system 200 of another embodiment of the present invention.First user, mobile end system (M-ES) computing machine that comprises user's set 201 is communicated by letter with the base station (BSI) 218 of wireless communication system.For example receive on the same bus that communication service machine 220 connect base station 218, perhaps receives on the communication service machine 220 that comprises VSM230 by bridge/router.Another program this locality of electronic post office or conduct operation on same communication service machine 220 is connected to VSM230, perhaps is arranged in another server 240 of the LAN/WAN of communication service machine 220.Yet for host B and C 255,260 operation VSM230 by other purposes that communicate by other networks such as public data network or public switched telephone network 250 as shown in the figure, where unimportant electronic post office is in.In fact, same user 201 may be connected to for example local electronic post office 240, far client server main frame 255, other database host server (not shown), management host server 260, multimedia host, speech processor etc. simultaneously by VSM230.Should be appreciated that, for this application, first device or ingredient can respond or communicate by letter Unit second or ingredient, no matter be directly to connect or such as by some intermediate links (being included in the switch that connects these two unit in a period of time) connection indirectly with Unit first and second, as long as can find a signal paths, between Unit first and second, set up contact directly or indirectly.For example, subscriber computer 105 can be communicated by letter with VSM server 110, even disposed intermediate system (as a router or switch) 125 and have the Packet Based Network 130 etc. of a plurality of switches between user's set 105 and VSM server.
Shown in situation under, user 201 comprises managing data transfer device or crosspoint 206, this can be exactly an electronic processors 207 through corresponding programming (for example being a general center processing unit CPU) and storer or data-carrier store 211.Preferably also use a timer 2 05 in the exchanges data control procedure, this also will be illustrated in conjunction with this process flow diagram of Fig. 3 below.Typical user 201 also will comprise certain user's interface, for example: display 204, be fit to the data encoding/decoding device 203 of system communication agreement, and the transceiver (if adopting rf or infrared communication) and the modulator-demodular unit (modem) 202 that are used for receiving wireless or wire net.Transceiver/modulator-demodular unit 202 will comprise the line module of the WLAN communication of adorning in one or pegging graft in this case, particular type will depend on system, for example comprise PCMCIA (combination of personal computer memory card) radio modem, and the PSTN of interior dress or grafting (public switched telephone network) modulator-demodular unit etc.The concrete function piece of exchanges data unit 206 preferably includes (below will describe in detail): preposition filtration (PSF) manager 208, quota controller (RG) 209, user profile table storer 212, select and summary index store 213, and email storage device 214 (any available storage, as read only memory ROM, disk, the perhaps program of store predetermined information is as database).
Communication service machine 220 preferably includes: managing data transfer device or controller 229 with VSM230, store the storer 226 and 227 of the information of valid user summary (customer parameter) and non-validated user summary, timer 2 24, and the protocol translator of available certain form or formatter 222.The effect of VSM230 is pair to talk about with user 201 virtual pair and manage with the dialogue of host computer system 240,255 and/or 260 according to pack into the parameter of active service customer parameter storer/summary storer 226 or target.Controller 229 preferably also comprises some dedicated process of control inquiry manager (QM) 231 of (as send inquiry the message that the message and transmitting of message received etc. that is untreated to electronic post office), and fore filter 232 and quota controller 234.Storer 225 preferably also comprises user select and make a summary index data base or storer 228, and this also will describe in detail in conjunction with Fig. 7 and 8 below.Protocol translator 222 is used for message is formatd or encodes, and makes it to become the form that transmits between VSM230 and the user 201 of being adapted at.Protocol translator 222 comprises the respective protocol software that for example can be installed on the communication service machine, perhaps meets any other processor that is suitable for of given communication system architecture.So-called message is meant any suitable data cell (no matter be frame, data stream, grouping, still extended formatting), comprises the target that contains need transmission information, datagram etc.
Communication service machine 220 also is shown supports to pass through other users (as line module 216) that diverse access point (as control module (CM) 217 and the base station 219 of WLAN) is communicated by letter, and all access points 217 to 219 are by connections such as common bus, main lines.These base stations can belong to same communication system, also can belong to different some similar systems that service provider had, in addition can belong to some all with the different different system of communication service machine service provider.Therefore, single communication service machine for example can be supported ARDIS in a local zone 215 Node, RAM Node, WLAN controller module, CDPD node, the interior wireless phone node of machine etc., thus allow the user to insert same communication service machine and electronic post office from various systems.Unregistered user can for example be connected to the ground far away communication service machine with VSM/QM through PDN250 by inserting along the suitable node of Fig. 1 model in these nodes.So any amount of system configuration all is fine, only be subjected to the Network that provided and the restriction of user preferences.
The embodiment of the process of the communication between VSM leading subscriber and the main frame can be referring to process flow diagram shown in Figure 3.This process begins with a customer incident usually, such as in communication target of subscriber equipment illustration (formation), sends registration message (step 301-302).Perhaps, page that infrastructure can be by sending request user registration and so on (for example, when the user to the wireless system registration but also do not ask when the communication service machine register) start and communicate by letter.Under any circumstance, in a single day the communication service machine receives registration message, preferably just the user is authenticated, and examines user's qualification, comprises to main frame sending a registration/registration message, makes main frame authenticate (step 303-305) to the user.After approved qualified, the ownership goal (CO) of communication service machine prompting communication session comprises the customer parameter that retrieves from non-validated user parameter storage, by the user he registration message and later message in correct (step 306).These parameters comprise the identifier of user and main frame at least, and other select parameter but can also comprise some according to the communication type that can relate to.And registration and verification process can be carried out by VSM, but also can be carried out by another entity through corresponding programming of communication service machine.Server sends a response message at the prompting rear line, it for example is another registration message, receive the affirmation message of returning (ACK) from the user after, it is qualified fully that user and server all remain suggested target, therefore can start dialogue timer (step 307-309).So, between user and VSM, set up the virtual pair words, and between VSM and principal computer, set up common dialogue.If registration is unsuccessful, just delete the target of any prompting, the user turns back to non-effective status.
After setting up the virtual pair words, preferably produce a query messages,, this query messages is issued main frame (step 320) by VSM for the user asks untreated data by inquiry manager.Under the situation of Email, for example this can produce the message of all unread mails in the request letter box.So electronic post office checks the new mail of being received, all these new mails are issued VSM (step 321-322).Because VSM has set up the LAN dialogue with electronic post office, so these communications are for example accomplished for the common disposition of the current load of machinery systems according to LAN and main frame.Then, VSM transmits by the virtual pair words data (being mail) that receive is sent (step 323).For example, under situation shown in Figure 1, PDN130 is an ISDN who is connected with the CDPD wireless network (ISDN (Integrated Service Digital Network)) net, so mail will be sent by the BS120 that is serving by the communication service machine according to the corresponding integrated data that forms of ISDN/CDPD system protocol.For the mail grouping of moderate-length, this may need a few minutes, the perhaps more longer time.Yet,, significantly reduced the time that takies communication channel (comprise the radio communication channel part that expense is higher, and the part of passing through PDN130) because data send with non-dialogue mode.This is many spendings for the user has saved, and pay by each grouping when reality transmits because the user only is required to be mail, and needn't bear the expense that keeps the long-time dialogue that is connected with electronic post office in order to receive new mail.At last, user one receives mail, just sends corresponding acknowledge message, mailbox is upgraded, for example by this mail being designated as the mode (step 324-326) of the mail of reading or having handled.
Though may be favourable in some data of communication service machine stored in some system, but just can expect now under the situation of Email and so on that the communication service machine preferably is used for dialogue between maintenance customer's machine and the main frame, rather than as one of main frame server far away.Therefore, shift all new datas onto the communication service machine under main frame with it, most of exchanges data had better regularly be started by communication service machine (for example passing through inquiry manager).
In addition, under the situation that the user no longer receives in its position, ground far away when modulator-demodular unit of having turned off or processor (as leaving areal coverage, or), continue the inquiry main frame or attempt to send data and will waste resource as the user.Therefore, in VSM, preferably also comprise a process that the user is maintained in effective status or the user is displaced effective status according to an incident.Such process need all uses timer user and VSM, determines when the virtual pair words are no longer carried out.The first place of these timers sets according to registration message earlier, and (step 327-336) then resets after each exchanges data.If (for example 20 minutes) do not have exchanges data in one section preset time, subscriber computer and VSM will cancel this user's qualification (promptly eliminating the ownership goal of this communication session) so, necessary, this user is designated as is in non-effective status (step 337-340).It is overtime for fear of what do not wish to occur that VSM also will send a logout message (step 341) to main frame, the user preferably is configured to the last time exchanges data and has crossed after one period schedule time but send a short message before timer is not count full timing, makes VSM to receive.Otherwise if having only interrupted exchanges data, the user may need often to set up new registration procedure, and this means that the user will can not get extraneous data before obtaining connecting by virtual pair words manager setting up new registration procedure once more.
Fig. 4 to 6 shows the preferred embodiment that the data that transmit are carried out preposition filtration between the difference in functionality entity of wireless communication system shown in Figure 2.Usually this is to begin (step 406) at query aim of communication service machine generation or message.This target/message can be according to the message (request messages of a request renewal that for example produces when pushing the application button, execution mail applications etc.) of above-mentioned user's generation or according to the generation that is provided with in user profile table.Yet, after having upgraded validated user summary/target for the validated user application, inquiry manager preferably is programmed to the application that is respectively each validated user operation and produces query aim at regular intervals, the time interval is depended on application type or managerial personnel's selection (for example, for mail every 10-30 second or more longer).Perhaps, the time interval also can be stipulated by user profile table by the user, for example, shorten the polling interval for the application of time requirement strictness (using as emergency traffic or " in real time "), perhaps (as changing rapidly but the operating costs of the file of commodity in groups of non-time requirement strictness in order to save to upgrade) elongates the polling interval when hope is seldom upgraded.
The content of query aim will be according to using and user filtering device setting and changing.For mail applications, a kind of method be make some can deposit user profile table database (as storer among Fig. 2 212 and 226-227) in by user-defined filtering feature.These characteristics can comprise for instance: the right of priority of message (as urgent, common or low priority), message sends or delivers the date, message-length (the just common memory length of uncompressed normally, though also can use transmission length or expense), message author, and message subject (key word as header in the capable or text).These characteristics can directly be used as refusal standard (as refusing the message that message or theme that the preceding message of all low priority messages, " 12/15/95 ", length surpasses the 2K byte do not contain " project X "), by standard (as by all message) or both combinations from boss, diversity and complicacy depend on Scheme Selection.These characteristics comprise also that preferably certain " granularity " filter, i.e. the filtration that limited on length again of the message that all or great majority by other are filtered.Three of the length filtration device may example be to cut long filtrator (for example message after " 100 " byte before the intercepting) and text or buckslip filtrator (for example indicating whether the countersign of tearing).Therefore, the message by all test stones still may receive with the length clipped form that meets the message-length standard except message-length.Perhaps, if all message of being refused are arranged to cut with text longly to be passed through for " 0 " byte, fail so still may pass through with header information by the message of author or topic filter.Those skilled in the art that can understand, can adopt other various refusals/by filter criteria, and concrete employing can depend primarily on the Scheme Choice of having done according to all functions as requested, complicacy and application (but comprising filtering feature) and so on various factors by which and which combination in user-defined (or even can by supvr's regulation) characteristic.Yet meaningfully, the present invention now carries out the measure of preposition filtration to their communication for the user provides according to the communication service machine effectively with the filtrator setting that can stipulate, rather than have only and do not receive any message and receive all message, comprise little important or that expense is high and message transmission consuming time, these two kinds of selections.
Preposition filtration is preferably in host server and carries out.This for example can be by transmitting filter characteristic and realize what using for host application in the query aim of corresponding formatization or message.Under illustrated situation, the query aim that has user filtering device configuration information is delivered to electronic post office, is used by communication service machine target or CSO (when setting up the virtual pair words in electronic post office's illustration).Electronic post office/CSO reads/inquires about this query aim, draws filter characteristic, and these standards are used for selection and format (step 408-412) to the message that is untreated.Then, deliver to QM after the encapsulation of filtered message, QM delivers to user (step 414-416) with these filtered message (appropriate protocol translation) similarly in addition.Another kind of situation is that host application is not designed to preset filtration, like this, all untreated message can all be delivered to the communication service machine, filtered by fore filter (PSF) target or program (as the PSF232 among Fig. 2) there, make have only qualified/filtered message just be sent to the user (step 410,418-424).By acknowledge message, electronic post office learns and marks the mail mark how in both cases.For example, in preposition filtration is under the situation that electronic post office carries out, all mails that transmitted are designated as to be handled/has read, and that all filtered mails are designated as is untreated (through the message of brachymemma or by the conventional mark of design, perhaps available being labeled as after filtration or section processes).If preposition filtration is carried out at the communication service machine, have only those message that send the user to be confirmed so, thereby be labeled as (step 428) handled.
Except download/downlink filters, it also is favourable adopting preposition filtration in the transmission of up loading/up-link.This can take the length filtration form, prepares against later in the lower online transmission of expense but perhaps keep complete data cell or message automatically according to filtering feature.In this case, each user will have one such as such preposition filtration (PSF) unit (for example utilizing the PSF target or the program of selected characteristic in summary table storer 212) of the PSF208 among Fig. 2.Each data cell that is produced is filtered with the standard that the user selects, and qualified data transmit (step 430-436) by the communication service machine.If there is a data unit not send, this data cell is just local so keeps, and for example is transferred to electronic post office later on when connecting by a lower net of expense again.As a kind of enhancement mode, for also can providing, the user selects to send type of button (promptly filter to send or do not filter and send), perhaps to a message screening time, use alarm dialogue or similar message to user prompt, determine whether to transmit unfiltered data (step 438-440).Similar, can provide several groups of filtrator settings of can be manually or activating automatically to the user, make the user can be easy to adjust the setting of a plurality of filtrators, for example when participating in momentous conference, be transformed into a restricted bigger summary table (can activate this summary table automatically through corresponding configuration and the calendar program that is connected etc.) by one.
Though the user only needs to keep up loading filter device characteristic in its summary table storer, best communication service machine and user deposit the copy of download filtrator setting in summary table storer separately.This makes the user can consult all settings easily when needed, local these settings of change.When locating to change download the user and be provided with, preferably immediately these are changed the notifying communication server after the change, if with the situation of communication service machine off line under change, so once setting up virtual pair words notifying communication server (step 442-444) immediately.In addition, keeping under the situation of the summary index of message after filtration (as what be illustrated) below in conjunction with Fig. 7 and 8, filtrator is provided with a change, and the communication service machine just can obtain adjusting automatically, transmits and is refused before all and the existing message by new filtrator setting.
Fig. 5 and 6 illustrations two kinds of methods to the useful especially preposition filtration of electronic mail filtering.In Fig. 5, each message a string five refusal filtrators have been added.If an email message does not meet any one of them standard (right of priority, date, length, author or theme/key word), just stay and do not add processing (step 502-516).In case all unchecked message (i.e. all message that are untreated, or all message that are untreated of before not filtered (under the situation that adopts the expansion mark)) are all filtered, just the message that those are refused sends out (step 518).Fig. 6 illustration the application length situation of filtering.If message length surpasses Filter length, with regard to corresponding in addition brachymemma (comprising the note that inserts an indication brachymemma) (step 602-606).Similar, if text or buckslip are arranged, and these countersigns are designated as and need be filtered, and so just tear countersign off, also can insert the note (step 608-614) of informing the recipient countersign and having torn off.After the filtration, message sends (step 616) at once.
Fig. 7 and 8 illustrations allow the user consult more easily or even filter/refuse another enhancement mode embodiment of the selection information of data.In this preferred embodiment, communication service machine and a query aim or the message of producing similarly noted earlier.Yet except summary table information, this query aim comprises also that in this case needs obtain the request (step 720) of the summary info of relevant each message that partially or completely goes whistle.Main frame (being electronic post office's server in the illustrated case) receive this inquiry after just filter accordingly, if only there is qualified mail, resemble the front illustrated send qualified mail to user (step 704-708).If the data that part (for example by brachymemma) arranged or refused are fully so just extracted the sign summary info (step 710) that data are refused in all rounds.For mail, the sign summary info can comprise message sequence number and certain header information (801 among Fig. 8 and 802).But header information can comprise any filtering feature (for example date, author, theme, length, right of priority, countersign designator), preferably can be by user-defined, and how many header informations the user just can need determine like this, and how much can omit.All are qualified and defective (promptly suffering the filtrator refusal) mails all resemble front illustrated add mark (step 712).
When the QM of communication service machine received response target or message, the sign summary info that just will encapsulate was kept at one and selects and summary (S﹠amp; S) in the index, such as the user S﹠amp among Fig. 2; Shown in the index structure of S index data base 228 and Fig. 8.First query messages after this index is preferably examined according to qualification is set up, though can keep the index of a storage when the user is in non-effective status, upgrades fully after must setting up new registration procedure/identifying.In order fully to reduce the transmission between communication service machine and the user, just transmit S﹠amp; The change situation of S index, just Zhai Yao incremental data (promptly the increment of an index gone up relatively in the index of Xiu Zhenging, a last index be one with the S﹠amp that is stored in the user; S index (the S﹠amp among Fig. 2 for example; S index data base 213) the identical version that obtains confirming in).If what the response query aim received just identifies summary info, can also postpone one section preset time with transmit increment information to the user, perhaps transmit again when transmitting next message by fore filter, no matter earlier transmit that whichever will do (that is to say, suffer the information of filtrator refusal to be likely little important, so some users may be ready to receive S﹠amp; The number of times of S index is few, interrupts so that further reduce expense or reduce) (step 714-718).
Receive the increment of sign summary info, the user upgrades its S﹠amp; The S index is pointed out (but can for all message or part message the prompting standard be set according to any filtering feature etc. equally) proper time.Therefore, the user can consult summary info, and whether decision needs not consider the refusal of filtrator.Wish the mail read for the user, the user can point out that institute makes decision by any adequate measure (giving directions message, voice command etc.), produce a corresponding request (version (as the brachymemma part) that for example, ask the mail of all selections, filters through part etc.) (step 720-722).This request sends electronic post office through suitably translating (if required) to as a query aim or message.The data retrieval of being asked is come out after QM delivers to the user.The user receives this data, can produce one and read confirmation signal, sends to the communication service machine.Best, the communication service machine receives to be read can beam back another ACK (confirmation signal) to the user behind the confirmation signal, and this moment, user and communication service machine upgraded S﹠amp separately respectively; The S index is from S﹠amp; Leave out the project of reading mail in the S index, the mail that any part is read is note in addition.Electronic post office receives the confirmation signal can also be designated as (the step 724-734) that has handled with any mail of having read.
Those skilled in the art that are appreciated that, for preposition filtration, but can utilize than the above more filtering feature and summary input, and utilize purposes (but comprising filtering characteristic) which will depend on all functions as requested, complicacy and selection and summary index some factors like this.Therefore, the similar of index can have tangible change, also can be different and make user and communication service machine both sides' index reach consistent measure.That is to say, though can periodically directly transmit whole index, any feasible as transmitting incremental data (as representing the data of two file content difference) or as if other make the traffic more desirable less than the update method that transmits whole index.It should be noted that, no matter specifically select which kind of method, the user can obtain showing is untreated and the summary index of the data (as by the data of filtering) of section processes, determine whether also to need to handle these data, and keeping almost completely same index at communication service machine place, so that further reduce transmission requirement.
Fig. 9 shows a further modified, and this embodiment allows the user to significantly reduce the data that send for the data that receive in early time of response.This is to the situation advantageous particularly of Email.Often the message of all fronts will be attached in the answer in an email conversations, to answer message very tediously long thereby make, and wherein contain considerable and the identical part of mail that has been kept in user or the purpose unit.Having reckoned with in the answer of Email that this situation takes place, is quite to lose time and expense in this bandwidth-limited systems resembling most of wireless communication systems.
From the user side, the process of Fig. 9 is listed an answer to the email message that receives with the user and is begun, this and any typical electronic mail applications situation very alike (step 902).Yet, when carrying out this answer, for example pushed a transmission button, user's controller (201 among Fig. 2) just calculates increment or the difference between the message of answering message and before having received with any suitable increment routine, make to answer the message optimization.Then, with the message element identifier (element ID) of the increment that forms and previous message (mail sequence number preferably, but can certainly use any searching mark symbol of previous message, as header information, or even CRC (cyclic redundancy check (CRC)) value) a composition optimized answer (step 904).For the just the shortest message that guarantees to send, controller also will answer message and optimized answer compares, and determines which is best (step 906) for transmission.This is according to relatively length, compression and formative length or which answer version of any estimation of message are determined the bandwidth or the minimum transmission expense of needs minimum.Therefore, for example may to select common answer message, because the overhead of increment and message identifier can make optimized answer also longer than common answer message for the answer of very short message.Yet, can expect that in most of the cases optimized answer is shorter than common answer message, thereby save time and expense widely for the user.
The QM of communication service machine receives after optimization answers, according to known purpose communication unit/user's parameter (if any words) determine that needing to rebuild common answer message (promptly forming a duplicate answers) still just sends out this optimization answer.Therefore, if for example originating user and purpose user are in effective status and by the service of same communication service machine thereby know that all having optimization answers ability, and the purpose user is an outbox side by the recipient that message identifier identified or the previous message of optimization answer, so just can not need to rebuild to answer.Exactly, because previous message can be in the input mailbox or output mailbox of purpose unit, so the purpose unit can rebuild according to the mail in its mailbox that is identified and incremental data and answers message.This can make bandwidth reduce greatly for sending user and purpose user both sides.In addition, if just in case the purpose unit has deleted the previous message that is identified, the controller of purpose unit will not send and receive appropriate confirmation signal so, and sends a request to common answer message, rebuilds this message as described as follows so the communication service machine resembles.
Not that QM (or other suitable controller entities) realizes rebuilding the function of answering message under the situation of a validated user of communication service machine from optimization is answered in the purpose unit.(such storage usually will increase complicacy and expense far awayly because the communication service machine does not preferably keep the user mail that is positioned at other main frames or the copy of data, and just talk about by the virtual pair of communication service machine foundation also is unnecessary), so the communication service machine just utilizes identifier to retrieve previous message (for example sending a query aim or message to corresponding electronic post office) (step 908-912) from main frame.This can be by request user's input mailbox or transmitting element the previous message of output mailbox (or even the input mailbox of purpose unit, if it is a CC according to previous message) realize.Because sequence number is a widely used unique number in the e-mail applications, be recommendable message identifier therefore for e-mail system.Yet, if this unique numbering is improper, also can use other identifier, comprise author, date and/or theme coupling.In addition, for some message, may use other unique relatively values such as CRC or other values (using separately or with other identifiers) even more favourable.For the present invention, use what identifier and less important, system design is desired can be used for retrieving exactly correct previous message as long as this identifier can satisfy.
After previous message is received by the communication service machine, just can rebuild a duplicate of answering message according to the copy of optimization increment of answering and the previous message that retrieves by an increment routine corresponding with user's increment routine.After the reconstruction, answer the output mailbox or the transmission mail page folded (step 914-916) that message sends object element and letter box to.Though between communication service machine and main frame, need some extra processing, thereby also increased some expenses, and still quite be worth by comparing of using optimization to answer on the net to be saved in communication service machine and the high cost between the user.
Though said method does not need to utilize message index just can realize, if the further optimization of the index that utilizes communication service machine and user.In this case, whole index of the mailbox of each validated user (or other application files) are kept at user and communication service machine both sides.This index is the S﹠amp that is designed to comprise all mails among Fig. 2 preferably; S index 213 and one of 228 (be subjected to the mail of filtrator restriction few though perhaps will be compared to for the identification information of the mail that is received, this depends on available memory situation and desired identification information amount).After the communication service machine receives the optimization answer, just (for example to the appropriate users index, if the purpose unit also is a validated user, at first is the index of purpose unit, otherwise be the index of transmitting element) message identifier of the previous message of the search indication previous message of whether having deleted.If the identifier of previous message exists, then process is as described above proceeds like that, promptly sends optimization to the purpose unit and answers, and perhaps rebuilds and answers message, sends the purpose unit to.
The answer of issuing the user can utilize similarly the shortest optimization of message is answered.Therefore, if for example the affiliated communication service machine of recipient user receives an answer, just can produce the increment that difference between message and the previous message of known as memory in user's mail database (for example storer among Fig. 2 214) is answered in an expression.If along with answer comprises that one aids in the attach identifier of searching in user's the index, so just is easy to identify previous message.Yet,, can extract some flag informations from text (for example author, date, recipient, theme) so and carry out matching ratio if do not comprise such identifier.Perhaps, in the process of determining previous message, can utilize text to compare to answering message.For example, can retrieve a series of previous information to compare with text, perhaps can safeguard one for all or the ident value of selecting the mail of (as sending) (as by calculating the crc value of text, be stored in the index), just can test then to some selected portions (for example inserting all following parts of the previous message of sign in the text) of answering message text.Select nearest or the most previous message (can be a message of issuing the user, also can be a message of sending from the user) of coupling,, thereby calculate increment between previous message and the answer message so that make incremental data the shortest.So just, having formed an optimization that comprises the previous message identifier that increment and user can discern answers.So this optimization is answered and is sent the user to, reverts to answer message by the user.That is to say that the user goes out and the corresponding message of message identifier from memory search, form a duplicate of answering message according to this message and incremental data.In case after confirming, all corresponding renewal of user and communication service machine both sides index separately reflects the situation (step 918-930) that current mail transmits
Therefore, this embodiment does not need to expend high cost and transmits the part that had sent in the past in the answer data for send the process that answer data provides an effective between user and communication service machine.
In the end among embodiment, disposed a quota controller, assisting users maintains their message contact and expense within the desired compass.Figure 10 shows an embodiment of this quota controller in conjunction with Fig. 2.This quota controller be used for following the tracks of approximate time that the user uses and or expense, can be exactly that circuit switching is connected timing, perhaps mensuration (or according to message-length estimation) takies time and/or the expense that the transmission of high expense net is divided into groups under the situation that sends integrated data.When estimating transmission volume (for example expense), the known pricing factors of quota controller by considering each Network operator and formulated (for example, per diem the time, the expenses standards such as rank/quality of service (QOS), length or required bandwidth of grouping) can estimate actual cost preferably.These values are preserved for quota controller (23A among Fig. 2) and are used, and determine estimated transmission volume when receiving each data cell.
Under the situation of illustrated e-mail applications, after receiving the message of user's generation, QM (or other suitable controlled entities of communication service machine) sends corresponding grouping information or message parameter (for example block length that draws from header) to the quota controller, and it is equivalent to a grouping quota controller (PRG) in this case.PRG determines also surplus how much service time and/or expense (also can be to have used what and the boundary that allows) from ownership goal (or summary table storer), will remain service time the transmission volume of assignment (for example before checked and approved or) and message parameter volume again and be compared (step 954).
Preferably formulate some boundaries, comprise one or several alarming threshold.These alarming thresholds are used for warning the user, and time/expense that used or remaining has been crossed certain thresholding, make the user use by the budgetary request restriction, perhaps seek a higher boundary before reaching the use boundary.The budget boundary that this use or transmission boundary transmit as data.Unless the user obtains special permission,, just forbid continuing communication/data and transmit in case reach the use boundary.The simplest mode of forbidding this transmission is that the warning user uses boundary to arrive, and stops current dialogue, and dialogue after stoping is until checking and approving additional use boundary time/expense.Perhaps, can also allow certain message contact (but for example according to any filter criteria, send message as allowing to management organization, but do not allow to send message to other communication units), but be pointed out, common message will not transmit.More favourable like this, though stoped the user to exceed the quata to send message to the communication service machine, but still allow to transmit some critical message, be sent to the message (as request for permission append) of management organization etc.Therefore in the user, also can advantageously use a PRG (as the PRG209 among Fig. 2), PRG by the communication service machine issues signal, automatically fore filter is arranged to except certain message, forbid that all message transmit, until a new use boundary is provided.If the user continues to send message inadequately without this user PRG, the communication service machine will stop all later dialogues, and notice management organization and user.
If the user obtains special permission,, still can proceed data and transmit although use boundary to surpass.Yet, had better send alarm information to user and management organization, make management organization can verify royalty right, necessary words are reset and are used boundary, and the user is understood surpassed predetermined use amount (step 956-968,980-984).Under any circumstance, after each data transmit, upgrade ownership goal or storer, with the affairs sum (for example the time remains total expenses etc.) (step 958) that reflects new estimation.
As mentioned above, if the user does not obtain special permission, so preferably allow the user to append the additional data of time/expense to management organization's request of transmitting.Whether this request meeting sends management organization's main frame to by the communication service machine, accepts processing, see and agree.If agree, management organization will the notifying communication server, will use boundary to raise the amount of regulation.Perhaps, if there is not system management, expense/funds on account is handled by communication service machine service provider, the user can send the message (for example, by send the account number of encrypting and such as the such identification information of PIN (personal identification number)) of any suitable approval additional expenses/funds on account to the communication service machine so.In case expense or funds on account obtain handling.Satisfy the requirement of service provider, expense or funds on account amount will be used for adjusting user's boundary.Then, will notify the user new use boundary, user's PRG is carried out corresponding renewal (step 970-978).
Use the boundary except upgrading according to the request of user or management organization, the quota controller also can be advantageously provided to upgrade automatically after predetermined update event takes place and use boundary.Therefore, for example if monthly keep accounts or budget, management organization is preferably to be arranged in the quota controller use boundary recovery automatically in first day of next billing period, and the communication service machine will will use the value (step 992) of boundary recovery for stipulating automatically at official hour so.
And in order to obtain even more accurate record keeping control, the communication service machine can be connected with rate network service operator, so that the periodicity bill of receiving subscriber data portfolio, and update cost etc.In order to utilize these bills, can safeguard that one is estimated the operating position of each data transmission and the record keeping index of expense for each user.Receive periodically bill (for example during management window, transmitting once every day), just replace each estimated use project with actual operating position in the bill and expense, the renewal user profile table (and target, if the user is in effective status), to reflect calibrated use boundary etc.One to next issued transaction, value notice management organization and user after just will upgrading.Need, user or management organization can ask download that nearest estimation and expense reality (step 986-990) are shown.
At last, should be appreciated that said process is equally applicable to customer group except the individual consumer.Therefore, PRG can advantageously resemble and above-mentionedly for customer group or super customer group the use boundary is set for being used for the individual consumer.So, if one of purposes is and the different group facility of above-mentioned Email example to use boundary (keep each individuality for independent electronic mail or data transmission etc. simultaneously and use boundary) so for the group that the corresponding group facility data of different customer group assignments transmit.One or two user uses and goes too far and take too much group's use volume in the customer group, still can be each user's setting use boundary separately, but dirigibility can be big, for example before management organization request additional quota, employing between untapped group time, thereby making among the group user obtain other users' part limit.As should seeing, how constituting the quota controller has many different modes, and this depends on working condition, the mutual situation with service operation side, desired complexity and many other relevant and factors independently of applicable cases, user and customer group.
Those skilled in the art that are appreciated that the present invention can have many different embodiments, and what more than describe in detail is just wherein limited several.For example, though above embodiment explanation is the situation that is used for the user that communicates at a fixed system, should be clear, the present invention can be used for the communication system of Any user away from main frame, and is wired or wireless, client-server, distribution of net or other nets, or the like.The present invention also can cooperate almost Any Application or package (for example, transmitting database, files such as word processing, figure, voice, executive routine and control messages etc.), and is not Email or group facility.In addition, though processor 206, controller 229, timer 2 05 and 224, data- carrier store 211 and 225 and other circuit all be to describe by concrete logic/function/circuit relationships, yet those skilled in the art that can see, these can be realized in various manners, preferably adopt the processor of suitably configuration and programming, ASIC (special IC) and DSP (digital signal processor), but also can adopt hardware, nextport hardware component NextPort, even can adopt on each device physics and to separate but collaborative work and finish the distributed architecture of said function.Therefore, should be appreciated that the present invention is not limited to these preferred embodiments discussed above, but comprise all replacings, change and modification that the spirit of the present invention that provides according to claims is carried out in scope of patent protection of the present invention.

Claims (12)

1. the system that communicates of control and communication unit (201) comprises:
A communication service machine (220) of communicating by letter with communication unit, it is characterized in that it comprises the managing data transfer device (229) of the communication between a supervisory communications unit and the host server, data transmission manager comprises a quota controller (234,209), be used for estimating the transmission volume of the data communication between communication service machine and the communication unit, and the transmission volume of estimated transmission volume and institute's assignment is compared.
2. the system that claim 1 proposed, wherein said quota controller is forbidden proceeding data communication between communication service machine and the communication unit when estimated transmission volume surpasses the transmission volume of institute's assignment.
3. the system that claim 1 proposed, wherein said communication service machine is communicated by letter with communication unit by at least one first communication channel, described first communication channel comprises the charge Bearer Channel part of first a communication service operator different with the second service operation side of communication service machine, and the transmission volume of institute's assignment is corresponding to the total surplus transmission volume that allows communication unit to use, and described quota controller is also alarmed to communication unit during less than first thresholding at the transmission volume of institute's assignment.
4. the system that claim 1 proposed, wherein said managing data transfer device also comprises a user profile table storer that is used for storing the transmission volume of institute's assignment, and described quota controller also responds to first data cell with first estimated transmission volume, deduct the transmission volume that the first estimated transmission volume draws an institute's assignment through upgrading by transmission volume with institute's assignment, the transmission volume that replaces the institute's assignment in the user profile table storer again with the transmission volume of this institute's assignment through upgrading, the transmission volume of renewal institute assignment.
5. the system that claim 1 proposed, wherein said managing data transfer device also comprises a user profile table storer that is used for storing the transmission volume of institute's assignment, data comprise a plurality of data cells, estimated transmission volume comprises total transmission volume of estimated a plurality of data cells, and described quota controller also responds to the data cell that another one has an estimated other transmission volume, draw an estimated total transmission volume by the estimated transmission volume that this is other and estimated total transmission volume addition through upgrading, determine that again this estimated total transmission volume through upgrading whether greater than the transmission volume of institute's assignment, upgrades the transmission volume of institute's assignment.
6. the system that claim 5 proposed, described system also comprises a management host server, wherein said quota controller is also alarmed to the management host server during greater than the transmission volume of institute's assignment at the estimated total transmission volume through upgrading, communication unit is forbidden communicating by letter with other communication units continuation beyond the predetermined recipient without special permission.
7. the system that claim 1 proposed, described system also comprises a host server of communicating by letter with the communication service machine, wherein said managing data transfer device also comprises a virtual pair words manager, be used for controlling the data communication between communication unit and the host server, on a first communication channel between virtual pair words manager and the communication unit, adopt and transmit data, transmit data and between virtual pair words manager and host server, adopt towards the communication protocol of dialogue towards the communication protocol of non-dialogue.
8. control and communication unit (201) method for communicating, described method is included in the communication service machine (220) of communicating by letter with communication unit by a first communication channel receives first data cell that need transmit between described communication unit and another communication unit step, and the feature of described method is also to comprise the following steps:
(a) the transmission volume of estimation first data cell; And
(b) estimated transmission volume and a transmission boundary are compared, determine whether to allow between communication unit and communication service machine, to transmit later data cell.
9. the method that claim 8 proposed, wherein said step (b) at least also comprises a following step:
When transmitting boundary, send a notification message to communication unit less than a predetermined threshold;
No thoroughfare when estimated transmission volume surpasses the transmission boundary, and the communication service machine transmits later data cell;
According to estimated transmission volume with in the past determined estimated total transmission volume, when surpassing a predetermined threshold, estimated total transmission volume sends a notification message to communication unit for each the estimated transmission volume of previous data cell that between communication unit and communication service machine, transmits; And
According to estimated transmission volume with in the past determined estimated total transmission volume for each the estimated transmission volume of previous data cell that transmits between communication unit and communication service machine, no thoroughfare when estimated total transmission volume surpasses the transmission boundary, and the communication service machine transmits later data cell.
10. communication service machine, it is characterized in that described communication service machine comprises a managing data transfer device (229) of communicating by letter with communication unit (201), described managing data transfer device comprises a quota controller (234,209), be used for transmitting volume for the data estimation that between described communication unit and another communication unit, transmits, and estimated transmission volume and one transmission boundary compared, continue to communicate by letter by the communication service machine after determining whether to allow.
11. the communication service machine that claim 10 proposed, wherein said quota controller can also be carried out at least with next function:
When surpassing the transmission boundary, forbids estimated transmission volume between communication service machine and communication unit, transmitting later data;
According to estimated transmission volume with in the past determined estimated total transmission volume for each the estimated transmission volume of previous data cell that transmits between communication unit and communication service machine, no thoroughfare when estimated total transmission volume surpasses the transmission boundary, and the communication service machine transmits later data cell; And
According to estimated transmission volume with in the past determined estimated total transmission volume, when surpassing a predetermined threshold, estimated total transmission volume sends a notification message to communication unit for each the estimated transmission volume of previous data cell that between communication unit and communication service machine, transmits.
12. the communication service machine that claim 10 proposed, wherein said managing data transfer device also comprises a virtual pair words manager, be used for controlling the data communication between communication unit and the host server, on a first communication channel between virtual pair words manager and the communication unit, adopt and transmit data, transmit data and between virtual pair words manager and host server, adopt towards the communication protocol of dialogue towards the communication protocol of non-dialogue.
CN96192742A 1995-12-19 1996-12-12 Method and apparatus for rate governing communications Pending CN1179220A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1324489C (en) * 2002-05-09 2007-07-04 网星有限公司 Web access/data transfer system with limit function and control thereof
CN100352200C (en) * 2002-12-04 2007-11-28 华为技术有限公司 A method for controlling account number simultaneous online number
CN100448325C (en) * 2005-01-12 2008-12-31 株式会社Ntt都科摩 A data communication restriction method, data communication restriction system and mobile terminal
WO2011026348A1 (en) * 2009-09-04 2011-03-10 中兴通讯股份有限公司 Method and device for enabling quota consumption service during flexible period

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1324489C (en) * 2002-05-09 2007-07-04 网星有限公司 Web access/data transfer system with limit function and control thereof
CN100352200C (en) * 2002-12-04 2007-11-28 华为技术有限公司 A method for controlling account number simultaneous online number
CN100448325C (en) * 2005-01-12 2008-12-31 株式会社Ntt都科摩 A data communication restriction method, data communication restriction system and mobile terminal
US7505755B2 (en) 2005-01-12 2009-03-17 Ntt Docomo, Inc. Data communication restriction method, data communication restriction system and mobile terminal
WO2011026348A1 (en) * 2009-09-04 2011-03-10 中兴通讯股份有限公司 Method and device for enabling quota consumption service during flexible period

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