CN111523986B - Bidding method based on wide area network - Google Patents
Bidding method based on wide area network Download PDFInfo
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- CN111523986B CN111523986B CN202010314810.XA CN202010314810A CN111523986B CN 111523986 B CN111523986 B CN 111523986B CN 202010314810 A CN202010314810 A CN 202010314810A CN 111523986 B CN111523986 B CN 111523986B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/08—Auctions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
The invention discloses a bidding method based on a wide area network, belonging to a multiport data exchange method. The system comprises a plurality of user hosts, a proxy end and a virtual bidding server, wherein the plurality of user hosts submit and register to the proxy end to become identified user ends, and the virtual bidding server is set according to bidding requirements; the user side submits the bidding application data containing the user identification to the agent side, and the agent side sends the bidder label containing the user identification to the monitoring side. And the monitoring end sends the bidder tags to the bidding server, the bidding server sends qualification pre-examination data to the corresponding user side, and meanwhile, the updated bidder tags are fed back to the agent side. Because the user side, the agent side, the monitoring side and the bidding server are mutually independent hardware devices, the file receiving, file distributing and process monitoring are completed by independent devices, and bidding violation possibly caused by single device management bidding service is avoided.
Description
Technical Field
The invention belongs to the wide area network technology, and particularly relates to a bidding method based on a wide area network. The invention also relates to a bidding method.
Background
In the bidding process, it is necessary to conduct supervision. CN109903004A discloses a supervision flow method for tendering and bidding with enhanced supervision, which adopts a five-level auditing mechanism to perform detailed auditing and supervision on tendering items initiated by tenderers. The supervision method is mainly embodied in modes of voice, video and the like. These polices rely on human labor and are less efficient to execute.
The increased diversity of bidding systems can avoid bidding violations and fraud. CN109615491A discloses a bid inviting and bidding system and management method. The processor module establishes a data archive in the database based on the user information. The remote data comparison unit compares the remote data with the user data according to a network protocol; the integrity recording unit is used for carrying out integrity management on the bidding user on the basis of the data of the remote data comparison unit and integrating the integrity records in the bidding process. Then, the systematicness of this bid management method is not sufficient.
Further, US20160048911A1 discloses a bid supervision method involving a bid supervision system connected to a network. The bid supervision system contains minimum information such as bidder contact information, bid price, etc. The minimum information can be used as instruction data before the actual bidding data is sent out and used as a guide file for the subsequent bidding work. This application is hereby incorporated by reference.
Disclosure of Invention
The invention provides a bidding method based on a wide area network, which is substituted into a supervisory system, and independent equipment is used for receiving files, distributing the files and monitoring the process, so that bidding violation is avoided.
A bidding method based on wide area network is characterized in that,
a plurality of user hosts submit and register to the agent terminal to become identified user terminals, and the user terminals have the authority of submitting data to the agent terminal;
setting a virtual bidding server according to bidding requirements, wherein the bidding server has the permission of sending data to a registered user side, and storing qualification pre-examination data and bidding data in the bidding server;
after the bidding work begins, the user side submits bidding application data containing user identification to the agent side, the agent side stores the bidding application data, and the agent side sends a bidder label containing the user identification to the supervisor side;
the monitoring end sends the bidder tags to the bidding server, the bidding server sends qualification prequalification data to the corresponding user side, meanwhile, the bidder tags are updated, and the updated bidder tags are fed back to the agent end;
the method comprises the steps that a user side submits pre-review application data containing user identification to an agent side, the agent side stores the pre-review application data, meanwhile, a bidder label is updated, and the updated bidder label is sent to a monitoring end;
the monitoring end defines the next field of the bidder label and then sends the next field to the bidding server, the bidding server sends bidding data to the corresponding user end, and meanwhile updates the bidder label and feeds the updated bidder label back to the agent end;
the user side submits the bidding data containing the user identification to the agent side, the agent side stores the bidding data, meanwhile, the bidder label is updated, and the updated bidder label is sent to the supervisor side;
the monitoring end defines the next field of the bidder label and then stores the bidder label;
the agent end sends the bidding application data, the pre-review application data and the bidding data to the storage end, and the storage end submits the user identification of the successful bidding user end to the monitoring end;
and after the monitoring end verifies the bidder label corresponding to the user identifier, the monitoring end sends the bidder label to the bidding server, and after the bidding server sends the bid-closing notice to the user end, the monitoring end cancels the bidding server.
In the present invention, the bidder tag is a code | x containing nine data segments 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 | wherein x 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 Are all data segments, x 0 、x 3 、x 6 Entered by the bidding server, x 1 、x 4 、x 7 Entered by the agent, x 2 、x 5 、x 8 And recording by the supervision terminal.
In the invention, the fact that the monitoring end checks the bidder label means that the monitoring end checks x 2 、x 5 、x 8 Whether the generation rule of (1) is fullThe preset condition is satisfied.
The bidding method based on the wide area network has the following effects: because the user side, the agent side, the monitoring side and the bid-attracting server are mutually independent hardware devices, the file receiving, file distributing and process monitoring are completed by independent devices, and the possible fraud caused by the single device management bid-attracting service is avoided. The bidding server is a wide area network server, can effectively utilize the bandwidth of the wide area network, improves the file distribution speed and is convenient for sending out text and timing.
Drawings
FIG. 1 is a block diagram of a bidding method of the present invention;
FIG. 2 is a schematic diagram of a multi-bidding task parallel system of the present invention;
FIG. 3 is a network connection diagram of the physical server of FIG. 2;
FIG. 4 is a schematic diagram of the fast data exchange method of the present invention;
fig. 5 is a schematic diagram of fig. 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1, the wide area network-based bidding method of the present invention mainly includes a registration phase, a bid application phase, a prequalification phase and a bid phase. The bidding method is mainly completed through the user side, the agent side, the monitoring side and the bidding server. Because the user side, the agent side, the monitoring side and the bid-attracting server are mutually independent hardware devices, the file receiving, file distributing and process monitoring are completed by independent devices, and the possible fraud caused by the single device management bid-attracting service is avoided.
In the registration stage, a virtual bidding server is set up, and the user side completes connection with the agent side and the bidding server. A plurality of user hosts submit to the agent end to register as identified user ends, and the user ends have the authority of submitting data to the agent end. And setting a virtual bidding server according to the bidding requirement, wherein the bidding server has the authority of sending data to the registered user side, and storing qualification pre-examination data and bidding data in the bidding server.
In the application phase, a specific user terminal applies a certain bid item to the agent terminal, and the application phase is ended by the user terminal receiving the qualification prequalification document. After the bidding work is started, the user side submits the bidding application data containing the user identification to the agent side. The typical bid application data is electronic data including electronic bidder information. And the agent end stores the bid application data and audits the bid application data according to the preset requirement. And after the verification is successful, the agent end sends the bidder label containing the user identifier to the monitoring end. And the monitoring end sends the bidder tags to the bidding server, the bidding server sends qualification pre-examination data to the corresponding user side, and meanwhile, the updated bidder tags are fed back to the agent side.
In the pre-review stage, a specific user terminal submits a pre-review application document to the agent terminal, and the stage is ended by the user terminal receiving a bid document. The user side submits pre-review application data containing user identification to the agent side, the capacity of the pre-review application data is large, and the pre-review application data generally comprises a plurality of document scanning pieces, such as business licenses, identification certificates and the like, but does not contain an applicant information table of txt or word files. The agent end stores the pre-review application data and sends the updated bidder label to the supervising end. And the supervision terminal defines the next field of the label of the bidder and then sends the next field to the bidding server. And the bid inviting and bidding server sends bid inviting data to the corresponding user side and simultaneously feeds the updated bidder label back to the agent side.
In the bidding phase, the user end submits the bidding document to the agent end, and the period ends when one of the user ends receives the winning bid notification document. And submitting the bidding data containing the user identification to the agent terminal by the user terminal, wherein the attribute of the bidding data is similar to that of the pre-review application file. And the agent end stores the bidding data and sends the updated bidder label to the supervisor end. And the supervision terminal stores the bidder label after defining the next field of the bidder label. And the agent end sends the bidding application data, the pre-review application data and the bidding data to the storage end. The storage end can be regarded as a hardware device corresponding to the bid evaluation stage, such as a computer. After receiving the pre-review files and the bid files of all the bidders, the storage terminal carries out bid evaluation according to a preset bid evaluation standard. And the bid evaluation result is recorded into a storage end. The bid evaluation criteria are determined by each bidding item and will not be described in detail herein. The storage end submits the user identification of the successful bidding user end, such as the user end code or the bidder label containing the user end code to the supervision end. The monitoring end checks the bidder label corresponding to the user identification, the checking method checks some fields of the bidder label generated by the agent end and the bidding server, and if the fields do not accord with the checking rule, the data transmission process is considered to be modified, and the bidding is not approved. If the verification passes, the verification is regarded as successful winning approval. After approval, the supervision terminal sends the bidder label to the bidding server, and the bidding server generates a bid-closing notice according to the bidder label and then sends the bid-closing notice to the user terminal. Generally, the bid-winning server may set a generation rule of the bid-winning notice, such as a preset electronic bid-winning notice signature, a blank bid-winning notice, a timestamp function module, and the like, and generate a corresponding bid-winning notice after inputting the information of the bid-winning person. After the bid inviting and bidding server sends out the bid inviting and bidding notice, the bid inviting and bidding server is cancelled. On one hand, the bidding server is a remote virtual server, and the cancellation server can release the memory space after the work is completed to reserve the space for other bidding. On the other hand, the bid inviting server contains records of partial fields for generating the labels of the bidders, and the timely cancellation server can reduce the probability of data stealing.
Referring to fig. 2 and 3, the bidding method of the present invention can also implement the multi-bidding task parallelism. The plurality of user sides are used for uploading or downloading bidding data, and each user side is provided with a corresponding user identification. The agent end is used for managing a plurality of user ends and storing data uploaded by the user ends. And the supervision terminal is used for supervising the bidding state. The physical server is used for receiving the instruction of the monitoring end and sending data to the agent end and the predetermined user end.
The user side can be regarded as a computer, a mobile phone and other devices of the user of the bidder. And after predetermined software or APP is installed on the bidder equipment, applying for registration to the agent side, wherein the bidder equipment after registration forms the user side. It is contemplated that the proxy side uniquely identifies any registered user side. The data uploaded by the user side comprises the user identification. The agent is a physical device of the tenderer, which may be the same or similar in hardware settings as the bidder device. The supervisor end is the physical equipment of the supervisor party, and the physical server is the remote server of the other party. The supervision terminal comprises a capacity distribution unit, an instruction distribution unit, an encryption database and a task database. The capacity allocation unit and the instruction distribution unit may be separate hardware facilities or implemented by a program that the CPU calls the memory. The encryption database and the task database are independent storage units. The encryption database is used for storing discrete functions, and the task database is used for storing the bidder labels. The instruction distribution unit is used for updating the bidder tags of the task database according to the discrete function of the encrypted database. The physical server comprises a resource distributor and a plurality of virtual bidding servers, wherein the resource distributor is at least used for managing the CPU capacity, the memory capacity and the network bandwidth of each bidding server. And the bidding server is used for storing the corresponding bidding document and the qualification prequalification document. And the bidding server sends data to the user side according to the received bidder label and sends the modified bidder label to the agent side.
The capacity allocation unit issues a CPU capacity and memory capacity allocation application to the monitor according to the entry of the bidder tag of the task database. In the present invention, the bid item may be plural. Meanwhile, for any bidding item, the number of the bidder tags corresponds to the number of bidders. For example, there are five concurrent tendered items, four of which have a bidder number of 3 and another of which have a bidder number of 8. The number of bidder tags can be 20. The bidder tags may not be in the same state. For example, bidder tag is | x 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 ｜，x 2 、x 5 、x 8 Label formState. When x is 2 Not equal null and x 5 =x 8 When = null, the tag status is "prequalified". When x is 5 Not equal null and x 8 If null, the tag status is "bid". When x is 8 When not equal to null, the label state is "winning bid".
The entries of the bidder tags contain the number of bidder tags and the tagging stage of the bidder tags. The states of the bidder tags comprise pre-examination, bidding and winning. Pre-review requires 1mb of processing capacity, bid requires 2mb of processing capacity, and bid winning requires 1mb of processing capacity. For 10 tags in the pre-review stage for a bidding item, the CPU capacity and memory capacity required by the capacity allocation unit is, for example, 10mb. For 15 tags in the bidding phase of a bid for a bidding item, the CPU capacity and memory capacity required by the capacity allocation unit is, for example, 30mb. Note that the capacity allocation unit applies for the monitor to allocate capacity every time the bidder's tag of the task database is updated.
And the monitoring end sends the updated bidder label to the bidding server, and the bidding server performs data transmission according to the label state. Network clearing and sufficient bandwidth is particularly important since the enrollment task requires saving data (tender files, prequalification files) transmission time. Before the corresponding data is transmitted, the bidding server applies for network bandwidth to the resource distributor, and the resource distributor verifies the networks of the bidding server and the user side and distributes corresponding network bandwidth.
The bidding method of the present invention also enables rapid exchange of data, as shown in fig. 4 and 5. Which consists of at least three data exchange cycles. The three exchange periods mainly realize data updating and data exchange of the bidder tags. The bidder tag is a code of a predetermined length, and for a portion where no modification is input, a corresponding portion of the code string may be a null data segment. For example, in this embodiment, the bidder tag is represented as a code | x comprising nine data segments 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 An | in the bone. Null is defined as a null data segment in this application. In this application, throwThe tag of the target person is defined by the supervision section, but the agent side and the server can modify the tag data section. The monitoring end, the bidding server and the agent end check whether the previous data segment exists before the bidder label is modified, and if the previous data segment is empty, the next data segment is forbidden to be modified.
The first data exchange period is data exchange before prereview, and can be used for checking whether the system connection is smooth or not. The supervision terminal generates a plurality of bidder tags with fixed lengths and sends the tags to the bidding server. After receiving the bidder label, the bidding server modifies the bidder label x 0 And sending the modified bidder label to the agent. x is a radical of a fluorine atom 0 The random number is, for example, an integer within 10b bytes, and the generation method of the random number is determined by the bidding server. After the agent end receives the bidder label, the agent end modifies the bidder label x 1 And feeds back the modified bidder label to the supervising end. x is the number of 1 The identification field is an identification field of the user terminal, and the identification field comprises two parts of the user identity and the bid item. For example, the user's identification field 010052 may indicate the user's 010, bid items 052. After the bidding begins, the monitoring end modifies the bidder label x 2 。 x 2 =H 1 （x 0 ，x 1 ），H 1 Hash functions defined for the policing peer. Generally, the number of the bidder tags generated by the supervision terminal is large, but the agent terminal only modifies the tags according to the number of the users participating in bidding, the modified tags participate in next operation, and the null tags are deleted or not processed.
The supervision end of the application finishes the definition of partial data segments through a Hash algorithm (Hash algorithm). Storing a predetermined plurality of hash functions or hash tables at the policing end, depending on the input value x 0 ，x 1 Generating a hash value x 2 . From the irreversibility of the hash function, it cannot be selected from x 0 ，x 1 And x 2 Deducing a hash function H 1 . Likewise, modify any x 0 ，x 1 Then, the hash value x cannot be determined 2 . Based on this, the supervision section can verify x for the bidder tag returned by the agent 2 To determine x 0 ，x 1 Whether or not modified. It is anticipated that the Hash algorithm may have a wide range of domains and a limited range of values, and thus x for this application 0 ，x 1 A long data segment may result in a shorter x 2 And (4) data segments.
And after the monitoring section confirms that the bidding process is started, performing a second data exchange period for the bidding process. The monitoring end sends the bidder tags to the server, and the server sends qualification prequalification files to the user end according to the bidder tags. In this embodiment, the server detects the bidder's label when x 2 Not equal to null and x 5 =x 8 If not, sending a prequalification file to the user terminal. The server adds the sending time of the prequalification file as x of the bidder label 3 And the modified bidder label is sent to the agent. For example, the sending time of the prequalification file is 2019, 10 months and 1 day, x 3 = 20191001. The agent end receives the pre-examination application file submitted by the user end, and adds the receiving time as a bidder label x 4 The modified bidder tag is transmitted to the supervising end. For example, the receiving time of the pre-review application file is 2019, 12, month, 1, x 4 =20191201. The supervisor end matches the corresponding identity field x 1 Thereafter, the corresponding bidder label x is modified 5 。x 5 = H 2 （x 3 ，x 4 ) In which H 2 A hash function defined for the policing peer. The algorithm of the hash function is defined as H 1 The method is as follows.
And after the beginning of the bidding work is confirmed by the supervision section, a third data exchange period is carried out. The monitoring end sends the bidder tags to the server, and the server sends the bidding documents to the user end according to the bidder tags. In this embodiment, the server detects the bidder's label when x 5 Not equal to null and x 8 And when the number is not less than nul, the tender document is sent to the user terminal. The server adds the transmission time of the bid document as a bidder tag x 6 And the changed label of the bidder is sent to the agent terminal. For example, the transmission time of the bidding document is 1 month and 3 days of 2020, x 3 = 20200103. The agent end receives the bid document of the user end, and adds the receiving time as a bidder label x 7 Modified bidderThe tag is sent to the supervisory authority. For example, the bid document is received at a time of 1 month and 25 days, x, 2020 7 =20200125. The supervisor end matches the corresponding identity field x 1 Thereafter, the corresponding bidder label x is modified 8 。x 8 = H 3 （x 6 ，x 7 ) In which H is 3 A hash function defined for the policing peer. The algorithm of the hash function is defined as H 1 The method is as follows.
Claims (3)
1. A bidding method based on wide area network is characterized in that,
a plurality of user hosts submit and register to the agent terminal to become identified user terminals, and the user terminals have the authority of submitting data to the agent terminal;
setting a virtual bidding server according to bidding requirements, wherein the bidding server has the permission of sending data to a registered user side, and storing qualification pre-examination data and bidding data in the bidding server;
after the bidding work begins, the user side submits bidding application data containing user identification to the agent side, the agent side stores the bidding application data, and the agent side sends a bidder label containing the user identification to the supervisor side;
the monitoring end sends the bidder tags to the bidding server, the bidding server sends qualification pre-examination data to the corresponding user side, meanwhile, the bidder tags are updated, and the updated bidder tags are fed back to the agent end;
the method comprises the steps that a user side submits pre-review application data containing user identification to an agent side, the agent side stores the pre-review application data, meanwhile, a bidder label is updated, and the updated bidder label is sent to a monitoring end;
the monitoring end defines the next field of the bidder label and then sends the next field to the bidding server, the bidding server sends bidding data to the corresponding user end, and meanwhile updates the bidder label and feeds the updated bidder label back to the agent end;
the method comprises the steps that a user side submits bidding data containing user identification to an agent side, the agent side stores the bidding data, meanwhile, the bidder label is updated, and the updated bidder label is sent to a monitoring side;
the monitoring end defines a next field of the bidder label and then stores the bidder label;
the agent end sends the bidding application data, the pre-review application data and the bidding data to the storage end, and the storage end submits the user identification of the successful bidding user end to the monitoring end;
and after the monitoring end verifies the bidder label corresponding to the user identifier, the monitoring end sends the bidder label to the bidding server, and after the bidding server sends the bid-closing notice to the user end, the monitoring end cancels the bidding server.
2. The method of claim 1, wherein the bidder tag is a code | x comprising nine data segments 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 | wherein x 0 、x 1 、x 2 、x 3 、x 4 、x 5 、x 6 、x 7 、x 8 Are all data segments, x 0 、x 3 、x 6 Entered by the bidding server, x 1 、x 4 、x 7 Entered by the agent, x 2 、x 5 、x 8 And recording by the supervision terminal.
3. The bidding method according to claim 2, wherein the supervision terminal verifying the bidder tag means that the supervision terminal verifies x 2 、x 5 、x 8 Whether the generation rule of (2) satisfies a preset condition.
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