CN109978493A - Requirement management systems and method - Google Patents
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Abstract
The present invention provides a kind of requirement management systems and method, which includes block chain, client and demand analysis end.Client is sent to demand analysis end for the product demand of preset need target by block chain, and it is pushed to product development end and client according to the first requirement documents that product demand generates；The feedback opinion for the requirement documents that both block chain storages are sent respectively is simultaneously sent to demand analysis end；The second requirement documents that the feedback opinion of demand analysis end document according to demand is updated are pushed to product development end and client by block chain, both storages send respectively for the second requirement documents received acknowledgement notification and be sent to demand analysis end；Definitive result, when determining one second requirement documents is final version, is sent to block chain according to acknowledgement notification by demand analysis end；Block chain as newest requirement documents and stores second requirement documents according to definitive result.In this way, demand development efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a demand management system and a demand management method.
Background
For IT products or services with multiple customer types, demand management is a large production campaign, with customers' demands varying from one another, and there are often some conflicts between demands.
At present, special demand analysts can fully communicate and clarify the demands of various customers, and transfer and know the demands continuously from the demands.
The demands of various customers are mediated by demand analysts, so the demand development work efficiency is generally low.
Disclosure of Invention
In view of the above, there is a need to provide a demand management system and method for solving the problem of low work efficiency of demand development.
A demand management system and method, comprising: the system comprises a block chain, a client and a demand analysis end; wherein,
the block link receives a product demand which is sent by the client and aims at a preset demand target, and sends the received product demand to the demand analysis end;
the demand analysis end generates a first demand document according to the received product demand and sends the first demand document to the block chain;
after receiving the first requirement document, the blockchain pushes the first requirement document to a product development end and the client so as to remind the product development end and the client of viewing the first requirement document;
when receiving feedback opinions of the demand document respectively sent by the product development end and the client, the block chain stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end;
the block chain receives a second requirement document which is updated by the requirement analysis end according to the feedback opinions of the requirement document, and pushes the second requirement document to the product development end and the client so as to remind the product development end and the client to view the second requirement document;
the blockchain stores a confirmation notice aiming at the received second requirement document, which is sent by the product development end and the client respectively, and sends the confirmation notice to the requirement analysis end;
the requirement analysis end sends a determination result to the block chain when determining that a second requirement document stored in the block chain is a final version according to each received confirmation notice;
and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document.
Further, the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
Further, when the demand target is any generation of target product that has been developed, the blockchain sends the latest demand document to the product development end so as to remind the product development end to develop the next generation of target product according to the received latest demand document.
Further, when the demand target is a development plan for developing a target product, the blockchain sends the latest demand document to the product development end so as to remind the product development end to develop the target product according to the received latest demand document.
Further, the demand analysis end generates a demand document according to the received product demand, and judges whether the occupied space of the generated demand document is smaller than a preset threshold value, if so, the generated demand document is used as a first demand document and sent to the block chain, otherwise, the generated demand document is stored in a file system of a shared file server, and a file hash and/or a file abstract returned by the file system are used as the first demand document and sent to the block chain.
Further, the requirement analysis end sets and records a determination list of at least one confirming party, wherein the at least one confirming party includes: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
A demand management method, comprising:
the block chain receives a product demand which is sent by a client and aims at a preset demand target, and sends the received product demand to a demand analysis end;
the demand analysis end generates a first demand document according to the received product demand and sends the first demand document to the block chain;
after receiving the first requirement document, the blockchain pushes the first requirement document to a product development end and the client so as to remind the product development end and the client of viewing the first requirement document;
when receiving feedback opinions of the demand document respectively sent by the product development end and the client, the block chain stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end;
the block chain receives a second requirement document which is updated by the requirement analysis end according to the feedback opinions of the requirement document, and pushes the second requirement document to the product development end and the client so as to remind the product development end and the client to view the second requirement document;
the blockchain stores a confirmation notice aiming at the received second requirement document, which is sent by the product development end and the client respectively, and sends the confirmation notice to the requirement analysis end;
the requirement analysis end sends a determination result to the block chain when determining that a second requirement document stored in the block chain is a final version according to each received confirmation notice;
and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document.
Further, the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
Further, when the demand target is any generation target product that has been developed, the demand management method further includes: the blockchain sends the latest requirement document to the product development end so as to remind the product development end to develop a next generation target product according to the received latest requirement document.
Further, when the demand target is a development plan for developing a target product, the demand management method further includes: the blockchain sends the latest requirement document to the product development end so as to remind the product development end to develop the target product according to the received latest requirement document.
Further, the generating, by the demand analysis end, a first demand document according to the received product demand includes: the method comprises the steps that a demand analysis end generates a demand document according to a received product demand and judges whether the occupied space of the generated demand document is smaller than a preset threshold value or not, if yes, the generated demand document is used as a first demand document and sent to a block chain, otherwise, the generated demand document is stored in a file system of a shared file server, and a file hash and/or a file abstract returned by the file system are/is used as the first demand document and sent to the block chain.
Further, the demand management method further includes: the requirement analysis end is provided with a determination list recorded with at least one confirming party, wherein the at least one confirming party comprises: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
The invention provides a demand management system and a demand management method. The block chain sends a product requirement of a client aiming at a preset requirement target to a requirement analysis end, and pushes a first requirement document generated by the requirement analysis end according to the product requirement to a product development end and the client; the block chain stores feedback opinions of the requirement documents respectively sent by the block chain and sends the feedback opinions to a requirement analysis end; the block chain pushes a second demand document which is updated by the demand analysis end according to the feedback opinions of the demand document to the product development end and the client, stores confirmation notices aiming at the received second demand document and sent by the product development end and the client respectively, and sends the confirmation notices to the demand analysis end; the requirement analysis end sends a determination result to the block chain when determining that a second requirement document is a final version according to the confirmation notice; and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document. Thus, the demand development work efficiency can be improved.
Drawings
FIG. 1 is a schematic diagram of a demand management system provided in one embodiment;
FIG. 2 is a flow diagram of a method for demand management, as provided in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.
Referring to fig. 1, an embodiment of the present invention provides a demand management system, which may include: a block chain 101, a client 102 and a demand analysis terminal 103; wherein,
the block chain 101 receives a product demand for a preset demand target sent by the client 102, and sends the received product demand to the demand analysis end 103;
the demand analysis end 103 generates a first demand document according to the received product demand, and sends the first demand document to the block chain 101;
after receiving the first requirement document, the blockchain 101 pushes the first requirement document to a product development end and the client 102 so as to remind the product development end and the client 102 to view the first requirement document;
when receiving feedback opinions of the demand document respectively sent by the product development end and the client 102, the block chain 101 stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end 103;
the block chain 101 receives a second demand document updated by the demand analysis end 103 according to the feedback opinions of the demand document, and pushes the second demand document to the product development end and the client 102 so as to remind the product development end and the client 102 to view the second demand document;
the blockchain 101 stores a confirmation notification for the received second requirement document, which is sent by the product development end and the client 102, respectively, and sends the confirmation notification to the requirement analysis end 103;
the requirement analysis end 103 sends a determination result to the block chain 101 when determining that a second requirement document stored in the block chain 101 is a final version according to each received confirmation notification;
and the block chain 101 takes the second requirement document as the latest requirement document according to the determination result, and stores the latest requirement document.
The demand management system provided by the embodiment of the invention comprises a block chain, a client and a demand analysis end. The block chain sends a product requirement of a client aiming at a preset requirement target to a requirement analysis end, and pushes a first requirement document generated by the requirement analysis end according to the product requirement to a product development end and the client; the block chain stores feedback opinions of the requirement documents respectively sent by the block chain and sends the feedback opinions to a requirement analysis end; the block chain pushes a second demand document which is updated by the demand analysis end according to the feedback opinions of the demand document to the product development end and the client, stores confirmation notices aiming at the received second demand document and sent by the product development end and the client respectively, and sends the confirmation notices to the demand analysis end; the requirement analysis end sends a determination result to the block chain when determining that a second requirement document is a final version according to the confirmation notice; and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document. Thus, the demand development work efficiency can be improved.
In general, the demand management may involve 6 stages of a product demand collection stage, a product demand arrangement stage, an opinion collection stage, an opinion arrangement stage, a confirmation notice collection stage, and a confirmation notice arrangement stage as described below.
First, in the product demand collection phase, for a predetermined demand target, each client can put forward a product demand on demand, and send the product demand to the blockchain. Therefore, the block chain can send the received product requirements to the requirement analysis end.
In the product requirement sorting stage, the requirement analysis end can sort the product requirements sent by the block chain to generate a first requirement document, and then the first requirement document is sent to the block chain. Thus, after receiving the first requirement document, the blockchain pushes the first requirement document to the product development end and the client so as to remind the product development end and the client to view the first requirement document.
In the intention collection phase, the requirement document generated by the requirement analysis end needs further confirmation of each client end and confirmation of the product development end. In this way, each client and product development terminal can generate feedback opinions for the received requirement document and send the generated feedback opinions to the blockchain. Thus, the block chain can send the received feedback opinions to the demand analysis end.
In the intention sorting stage, the requirement analysis end sorts the feedback opinions sent by the block chain to update and adjust the historical requirement document, so that an updated second requirement document is generated and sent to the block chain. Therefore, the blockchain can push the received second requirement document to the product development end and the client so as to remind the product development end and the client to check the received second requirement document.
And the intentional collecting stage and the opinion sorting stage can be repeatedly executed until a second requirement document is determined as a final version.
In the confirmation notification collection stage, when each client and product development end do not have opinions about the newly received requirement document, the confirmation notification can be submitted to the block chain. Thus, the blockchain stores the confirmation notification and sends it to the request analysis end.
Finally, in the stage of arranging the confirmation notice, the requirement analysis end can determine a second requirement document as a final version according to the confirmation notice sent by the block chain, and sends the determination result to the block chain. Therefore, the block chain can take the second requirement document as the latest requirement document and store the latest requirement document, thereby completing the whole requirement management process.
Then, the product development end can develop the product according to the requirement document of the final version.
In detail, in the product development stage, a development plan is usually determined, and then an initial product is developed based on the development plan, and then a next generation product is developed based on the initial product, and then subsequent generations of products are developed until a final product is developed. The client can put forward the product requirements of the client according to the requirements of the client aiming at the development plan or any generation of developed products.
Thus, in one embodiment of the invention, the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
In one embodiment of the invention, when the demand target is any generation of target product that has been developed, the blockchain sends the latest demand document to the product development end so as to remind the product development end to develop the next generation of target product according to the received latest demand document.
In one embodiment of the present invention, when the demand target is a development plan for developing a target product, the blockchain sends the latest demand document to the product development end so as to remind the product development end to develop the target product according to the received latest demand document.
In detail, the product development side may also send product information related to the developed product to the blockchain. Therefore, the block chain can send the related product information to each client so as to remind the client to check the product developed by the product development end through the received related product information.
In detail, when the occupied storage of the document class is large, the whole file may not be stored in the blockchain generally, for example, the file may be stored in the file system by using a shared file server, and then a file hash, a file digest, and the like returned by the file system are stored in the blockchain. Therefore, the modification or deletion of the file can cause the change of the hash value, the file abstract and the like of the file, and the change trace can be detected by comparing the change with the hash and the abstract of the file stored in the previous block chain, so that the file cannot be modified to a certain extent. Of course, when the occupied storage is not large, the document can be directly stored in the block chain.
Therefore, in an embodiment of the present invention, the requirement analysis end generates a requirement document according to a received product requirement, and determines whether an occupied space of the generated requirement document is smaller than a preset threshold, if so, the generated requirement document is sent to the block chain as a first requirement document, otherwise, the generated requirement document is stored in a file system of a shared file server, and a file hash and/or a file digest returned by the file system is sent to the block chain as the first requirement document.
Of course, based on the same implementation principle, this document management manner may also be used to manage the second requirement document after the update processing obtained each time, and details of the embodiment of the present invention are not described herein.
In an embodiment of the present invention, the requirement analysis end sets and records a determination list of at least one confirming party, where the at least one confirming party includes: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
In detail, when determining the final version, it may be required to receive confirmation notifications from the product development end and each client, or it may be required to receive confirmation notifications from only some of the representatives. Therefore, the confirmation list can be preset, when each confirming party on the confirmation list is confirmed to pass, the corresponding requirement document can be determined to be the final version, and thus, the product can be developed by the product development end.
Referring to fig. 2, an embodiment of the present invention provides a demand management method, which may include the following steps:
step 201: and the block chain receives the product requirements aiming at the preset requirement target sent by the client side and sends the received product requirements to the requirement analysis side.
Step 202: the demand analysis end generates a first demand document according to the received product demand and sends the first demand document to the block chain.
Step 203: after receiving the first requirement document, the blockchain pushes the first requirement document to a product development end and the client so as to remind the product development end and the client to view the first requirement document.
Step 204: and when receiving feedback opinions of the demand document respectively sent by the product development end and the client, the block chain stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end.
Step 205: and the block chain receives a second requirement document which is updated by the requirement analysis end according to the feedback opinions of the requirement document, and pushes the second requirement document to the product development end and the client so as to remind the product development end and the client to view the second requirement document.
Step 206: and the blockchain stores a confirmation notice aiming at the received second requirement document, which is respectively sent by the product development end and the client, and sends the confirmation notice to the requirement analysis end.
Step 207: and the requirement analysis end sends a determination result to the block chain when determining that a second requirement document stored in the block chain is a final version according to each received confirmation notice.
Step 208: and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document.
In one embodiment of the invention, the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
In an embodiment of the present invention, when the demand target is any generation target product that has been developed, the demand management method further includes: the blockchain sends the latest requirement document to the product development end so as to remind the product development end to develop a next generation target product according to the received latest requirement document.
In an embodiment of the present invention, when the demand target is a development plan for developing a target product, the demand management method further includes: the blockchain sends the latest requirement document to the product development end so as to remind the product development end to develop the target product according to the received latest requirement document.
In an embodiment of the present invention, the generating, by the demand analysis end, a first demand document according to the received product demand includes: the method comprises the steps that a demand analysis end generates a demand document according to a received product demand and judges whether the occupied space of the generated demand document is smaller than a preset threshold value or not, if yes, the generated demand document is used as a first demand document and sent to a block chain, otherwise, the generated demand document is stored in a file system of a shared file server, and a file hash and/or a file abstract returned by the file system are/is used as the first demand document and sent to the block chain.
In an embodiment of the present invention, the demand management method further includes: the requirement analysis end is provided with a determination list recorded with at least one confirming party, wherein the at least one confirming party comprises: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
The information interaction, execution process and other contents between the unit modules involved in the method are based on the same concept as the system embodiment of the present invention, and specific contents can be referred to the description in the system embodiment of the present invention, and are not described herein again.
In the embodiment of the invention, no matter the target product is developed according to the development plan or the next generation target product is developed according to the current generation target product, the developed product can be managed based on the block chain or can be stored in the block chain, so that each client can conveniently and directly check the product, and the transfer and the knowledge of a demand analyst are not needed.
Based on the above, the demand management system and method provided by the embodiment of the invention at least have the following beneficial effects:
on the first hand, based on the characteristics of openness and support for collective maintenance of the block chains, each client can bring respective requirements into the block chains in time, and the information of the whole system is highly transparent, so that overall planning of all requirements is facilitated. Therefore, the clients can be well gathered together for effective communication without requiring a lot of time for the demand analyst to constantly transfer well knowledge, and the situation that the demands of each type of client are partially completed and lost due to insufficient communication and clear demand of each type of client can be avoided.
In the second aspect, after the requirement analysis end finishes sorting all requirements, the complete requirement document can be added into the block chain to be used for soliciting opinions of each client and the product development end, and if one party does not agree with the opinion, the processing and follow-up can be continued to ensure the accuracy and integrity of the requirements.
In the third aspect, based on the non-tamper property and traceability of the block chain technology, documents related to requirements, development and the like can be properly stored and viewed. Therefore, the method is particularly suitable for IT products or services with complex business and various required categories and content details, so that the problem that the documents related to the requirements are difficult to store due to frequent personnel change and unchangeable document storage media is solved or relieved, and the problems that new colleagues need to track continuously after joining a project group, the learning efficiency is low, and the adaptation time is long are solved or relieved.
In the fourth aspect, based on the characteristics of block chain technology such as non-tamper property, traceability and no permission, a demand baseline can be well recorded, and if demand change occurs, after all clients agree, the change determination and subsequent processing, tracking and verification are facilitated. Therefore, the situations that the requirement change is difficult to avoid and the requirement change needs to be processed, tracked and verified according to the requirement due to various objective or artificial reasons, such as the requirement baseline is not clear enough, the derivation relation between the requirements is not clear enough, and the like, can be avoided or reduced, and the problems that the development is in the optimization and transformation work for a long time, the morale is greatly reduced, the trust of the customer on the IT development capability is reduced, and the like, which are possibly caused are avoided or relieved.
In summary, the embodiment of the present invention applies the blockchain technology to the requirement development work, so as to achieve effective management of the requirement full life cycle, save the labor cost, improve the requirement development work efficiency, reduce the system development risk, facilitate the management and tracking of the requirement, and facilitate the new member to quickly adapt to or understand the historical requirement.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the computer program is executed. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A demand management system comprises a block chain, a client and a demand analysis end, and is characterized by comprising:
the block link receives a product demand which is sent by the client and aims at a preset demand target, and sends the received product demand to the demand analysis end;
the demand analysis end generates a first demand document according to the received product demand and sends the first demand document to the block chain;
after receiving the first requirement document, the blockchain pushes the first requirement document to a product development end and the client so as to remind the product development end and the client of viewing the first requirement document;
when receiving feedback opinions of the demand document respectively sent by the product development end and the client, the block chain stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end;
the block chain receives a second requirement document which is updated by the requirement analysis end according to the feedback opinions of the requirement document, and pushes the second requirement document to the product development end and the client so as to remind the product development end and the client to view the second requirement document;
the blockchain stores a confirmation notice aiming at the received second requirement document, which is sent by the product development end and the client respectively, and sends the confirmation notice to the requirement analysis end;
the requirement analysis end sends a determination result to the block chain when determining that a second requirement document stored in the block chain is a final version according to each received confirmation notice;
and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document.
2. The demand management system of claim 1,
the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
3. The demand management system of claim 2,
when the demand target is any generation of developed target product, the block chain sends the latest demand document to the product development end so as to remind the product development end to develop the next generation of target product according to the received latest demand document;
or,
when the demand target is a development plan for developing a target product, the block chain sends the latest demand document to the product development end so as to remind the product development end to develop the target product according to the received latest demand document.
4. The demand management system of claim 1,
the method comprises the steps that a demand analysis end generates a demand document according to a received product demand and judges whether the occupied space of the generated demand document is smaller than a preset threshold value or not, if yes, the generated demand document is used as a first demand document and sent to a block chain, otherwise, the generated demand document is stored in a file system of a shared file server, and a file hash and/or a file abstract returned by the file system are/is used as the first demand document and sent to the block chain.
5. A demand management system according to any one of claims 1 to 4,
the requirement analysis end is provided with a determination list recorded with at least one confirming party, wherein the at least one confirming party comprises: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
6. A method for demand management, comprising:
the block chain receives a product demand which is sent by a client and aims at a preset demand target, and sends the received product demand to a demand analysis end;
the demand analysis end generates a first demand document according to the received product demand and sends the first demand document to the block chain;
after receiving the first requirement document, the blockchain pushes the first requirement document to a product development end and the client so as to remind the product development end and the client of viewing the first requirement document;
when receiving feedback opinions of the demand document respectively sent by the product development end and the client, the block chain stores the feedback opinions of the demand document and then sends the feedback opinions to the demand analysis end;
the block chain receives a second requirement document which is updated by the requirement analysis end according to the feedback opinions of the requirement document, and pushes the second requirement document to the product development end and the client so as to remind the product development end and the client to view the second requirement document;
the blockchain stores a confirmation notice aiming at the received second requirement document, which is sent by the product development end and the client respectively, and sends the confirmation notice to the requirement analysis end;
the requirement analysis end sends a determination result to the block chain when determining that a second requirement document stored in the block chain is a final version according to each received confirmation notice;
and the block chain takes the second requirement document as the latest requirement document according to the determination result and stores the latest requirement document.
7. The demand management method according to claim 6,
the demand targets include: any generation of target products that have been developed, or a development plan for developing the target products.
8. The demand management method according to claim 7,
when the demand target is any generation of target product that has been developed, the demand management method further includes: the block chain sends the latest requirement document to the product development end so as to remind the product development end to develop a next generation target product according to the received latest requirement document;
or,
when the demand target is a development plan for developing a target product, the demand management method further includes: the blockchain sends the latest requirement document to the product development end so as to remind the product development end to develop the target product according to the received latest requirement document.
9. The demand management method according to claim 6,
the method comprises the following steps that the demand analysis end generates a first demand document according to the received product demand, and comprises the following steps: the method comprises the steps that a demand analysis end generates a demand document according to a received product demand and judges whether the occupied space of the generated demand document is smaller than a preset threshold value or not, if yes, the generated demand document is used as a first demand document and sent to a block chain, otherwise, the generated demand document is stored in a file system of a shared file server, and a file hash and/or a file abstract returned by the file system are/is used as the first demand document and sent to the block chain.
10. A demand management method according to any one of claims 6 to 9,
the demand management method further includes: the requirement analysis end is provided with a determination list recorded with at least one confirming party, wherein the at least one confirming party comprises: the product development end and/or at least one of the clients;
and when the requirement analysis end monitors that the block chains are respectively stored and each confirming party confirms a second requirement document, determining that the second requirement document is the final version.
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