WO2007003491A1 - Method and system for resource sharing among peers in distributed peer-to-peer networking - Google Patents

Method and system for resource sharing among peers in distributed peer-to-peer networking Download PDF

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Publication number
WO2007003491A1
WO2007003491A1 PCT/EP2006/063197 EP2006063197W WO2007003491A1 WO 2007003491 A1 WO2007003491 A1 WO 2007003491A1 EP 2006063197 W EP2006063197 W EP 2006063197W WO 2007003491 A1 WO2007003491 A1 WO 2007003491A1
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Prior art keywords
peer
resource sharing
shared resources
peers
service unit
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PCT/EP2006/063197
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French (fr)
Inventor
Chunyou Gao
Yan Feng He
Shu Meng
Bing Yuan
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Nokia Siemens Networks Gmbh & Co. Kg
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Publication of WO2007003491A1 publication Critical patent/WO2007003491A1/en

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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
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • 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
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • 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
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • 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
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
    • H04L67/1063—Discovery through centralising entities
    • 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
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078—Resource delivery mechanisms
    • H04L67/1082—Resource delivery mechanisms involving incentive schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4541—Directories for service discovery

Definitions

  • the present invention relates to network technology, and more particularly, to a method and system for resource sharing among peers in distributed peer-to-peer networking.
  • the network topology structure of a client-server model is typically used in conventional resource sharing technology, wherein the server stores resources to be shared by network users, and issues index information of shared resources via server software; network users access the server via client software, and obtain required shared resources via index information thereof.
  • This type of client-server structured network topology is called a centralized network, that is, the server is the central node of the network, focusing on processing access requests from clients and providing shared resources for network users.
  • the service provider stores information resources to be shared by network users in the server, and issues index information of shared information resources in a webpage via a web server; network users browse index information on a webpage via client software, and thus obtain required information resources.
  • no central node such as the server, exists to centrally store shared resources, and each peer is a network node peering in logic.
  • resource sharing will be directly performed among each peer in the network, thus breaking the bottleneck of resource sharing in the centralized network caused by centralized storage by means of the central node.
  • the present invention has been made in an effort to solve the problems existing in current distributed peer-to-peer networking.
  • the present invention provides a method and system for resource sharing among peers in distributed peer-to-peer networking, which not only protects the rights and interests of peers with original shared resources, but also arouses the enthusiasm of other peers participating in the sharing process to be rewarded for their contribution during the resource sharing process, thus encouraging efficient resource sharing and smooth distributed peer-to-peer networking.
  • a method for resource sharing among peers in distributed peer-to-peer networking comprising the following steps: a) sending description information and location information of shared resources to a central service unit from at least one peer which issues shared resources; b) issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; c) sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; d) sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; e) making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; f) after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; g) according to said sharing results report, settling fees by
  • said description information of shared resources includes description information of the content, size and partition of the shared resources.
  • the central service unit issues description information of shared resources in the form of webpage, directory or message services in distributed peer-to-peer networking.
  • the central service unit uses different strategies for settling fees with peers participating in resource sharing; and one kind of said resources sharing application corresponds to at least one kind of fees settlement strategy.
  • peers participating in resource sharing include four roles: an acquirer, a provider, an owner and a spreader, in which the acquirer is a peer requesting shared information, the provider is a peer providing shared resources, the owner is a peer owning original shared resources, and the spreader is a peer spreading shared resources; and said central service unit will track and record the roles that said peers participating in resource sharing are playing, and after the resource sharing process is finished, it will settle fees with said peers participating in resource sharing based on their said respective roles.
  • a system for applying the method of resource sharing among peers in said distributed peer-to-peer networking characterized in that said system includes at least one peer and at least one central service unit, in which said central service unit issues description information of shared resources in distributed peer-to-peer networking, and settles fees with peers participating in resource sharing; said peers share resources according to the method for resource sharing among peers in said distributed peer-to-peer networking.
  • said central service unit can also authenticate said peers.
  • said peers include networking users and a service provider.
  • said central service unit issues description information of shared resources via its own or said service provider's software platform.
  • the present invention shall be described in detail with reference to the application of information resource sharing, which include file, audio, video and software resources etc. Moreover, the present invention is not limited to the application of information resource sharing, and those skilled in the art can also apply the present invention to storing resource sharing or computing resource sharing, etc. within the concept of the present invention.
  • the information resource sharing process among peers in distributed peer-to-peer networking comprises the following steps: a) sending description information and location information of shared resources to a central service unit from at least one peer which issues shared resources; b) issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; c) sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; d) sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; e) making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; f) after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; g) according to said sharing results report, settling fees by the central service unit with at least one peer participating
  • Said central service unit is completely different from said server in the centralized network, and is not the central node for centrally storing shared resources in the network, but is for issuing description information of shared resources, collecting said shared results report, and settling fees with peers participating in resource sharing.
  • the description information of said shared resources includes description information of the content, size and partition of the shared resources, and said central service unit issues description information of shared resources in the form of webpage, directory or message services in distributed peer-to-peer networking.
  • said central service unit can also authenticate said peers participating in resource sharing before sharing information resources, such as using a unique user name and password to identify each aforementioned peer, and authenticating said user name and password.
  • Said peers include network users and a service provider as well, and both can serve as peers for issuing or acquiring shared resources during the information resource sharing process; furthermore, said service provider can also provide a software platform for issuing description information of shared resources besides the software platform of said central service unit itself.
  • the present invention further introduces a fees settlement mechanism into the current distributed peer-to-peer network.
  • said central service unit settles fees with said peers based on said sharing results report.
  • different resource sharing applications such as said information resource sharing, storing resource sharing or computing resource sharing, serve different purposes, different fees settlement strategies may be stipulated for them.
  • sharing applications of information resources such as said file resources, audio resources, video resources and software resources, can also adopt different fees settlement strategies configured by said central service unit or peers participating in resource sharing.
  • One kind of resource sharing application corresponds to at least one kind of fees settlement strategy.
  • peers participating in resource sharing can be divided into the following roles: an acquirer, a provider, an owner and a spreader, in which the acquirer is a peer acquiring shared information, the provider is a peer providing shared information, the owner is a peer owning shared information, and the spreader is a peer spreading shared information.
  • the division of said roles is not required, but when the peers of the roles are separated physically from each other, for example, during a preliminary stage, the owner will serve simultaneously in the roles of the spreader and the provider to spread its original shared information, and after some of the peers acquire shared information, said peers can further serve as the spreader or the provider; furthermore, said provider, owner or spreader can all be said peers issuing shared information.
  • Said central service unit tracks and records the roles that said peers participating in resource sharing are playing, and after resource sharing is finished, based on said peers' respective roles, it will settle fees with said peers participating in resource sharing.
  • the fees settlement strategies used may be:
  • the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the central service unit will acquire the largest portion; the provider and the owner, less; and the spreader, the least.
  • the acquirer will pay 10 Yuan for acquiring shared information, of which the central service unit will receive a reward of 5 Yuan, the provider and the owner receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
  • the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the owner will acquire the largest portion; the central service unit and provider, less; and the spreader, the least.
  • the acquirer will pay 10 Yuan for acquiring shared information, of which the owner will receive a reward of 5 Yuan, the central service unit and the provider receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
  • a strategy of maximizing the reward for the provider based on its act of providing shared information that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the provider will acquire the largest portion; the central service unit and the owner, less; and the spreader, the least.
  • the acquirer will pay 10 Yuan for acquiring shared information, of which the provider will receive a reward of 5 Yuan, the central service unit and the owner receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
  • a strategy of maximizing the reward of the spreader based on its act of spreading shared information that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the spreader will acquire the largest portion, the central service unit and the owner, less; and the provider, the least.
  • the acquirer will pay 10 Yuan for acquiring shared information, of which the spreader will receive a reward of 5 Yuan, the central service unit and the owner receive 2 Yuan respectively as reward, and the provider receives 1 Yuan as reward.

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Abstract

A method and system for resource sharing among peers in distributed peer-to-peer networking, said system including at least one peer and at least one central service unit, resource sharing among said peers being achieved by the following steps: sending description information and location information of shared resources to the central service unit from at least one peer which issues shared resources; issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; according to said sharing results report, settling fees by the central service unit with at least one peer participating in resource sharing.

Description

Description
Method and system for resource sharing among peers in distributed peer-to-peer networking
(I) Technical field
The present invention relates to network technology, and more particularly, to a method and system for resource sharing among peers in distributed peer-to-peer networking.
(II) Technical background
With the advent of network technology, resource sharing is becoming one of the main demands of network users, and thus is also an important impetus for the development of network technology. The network topology structure of a client-server model is typically used in conventional resource sharing technology, wherein the server stores resources to be shared by network users, and issues index information of shared resources via server software; network users access the server via client software, and obtain required shared resources via index information thereof. This type of client-server structured network topology is called a centralized network, that is, the server is the central node of the network, focusing on processing access requests from clients and providing shared resources for network users. For example, in a typical centralized network application, the service provider stores information resources to be shared by network users in the server, and issues index information of shared information resources in a webpage via a web server; network users browse index information on a webpage via client software, and thus obtain required information resources.
In the abovementioned centralized network, all the network users have to access the server in which the entirety of the shared resources are stored to obtain the required shared resources. Whether resource sharing can be achieved well or not mainly depends on whether the server can process access requests from network users efficiently or not. With network use becoming more prevalent and its scale larger, the number of network users is increasing rapidly, but the storage space and processing capacity of the server in a centralized network usually restrict further development of network. To solve these problems, more and more attention has been paid to distributed peer-to-peer networking in recent years. In distributed peer-to-peer networking, the network topology is of distributed structure, with shared resources distributed in each peer in the network. In the network, no central node, such as the server, exists to centrally store shared resources, and each peer is a network node peering in logic. With such a network, resource sharing will be directly performed among each peer in the network, thus breaking the bottleneck of resource sharing in the centralized network caused by centralized storage by means of the central node.
However, in the current distributed peer-to-peer networking, said model of resource sharing performed directly among each peer also incurs new problems, i.e., shared resources will spread freely in the network through peers, so that peers with original shared resources, after providing shared resources, cannot control the sharing action of other peers with respect to the shared resources, and thus the rights and interests of these peers will be infringed; peers providing shared resources cannot receive profit corresponding to their contribution; and during the resource sharing, more and more peers will request rather than provide resources, and thus resource sharing cannot be performed efficiently. If these problems cannot be solved, distributed peer-to-peer networking cannot be developed smoothly.
(Ill) Summary of the invention
The present invention has been made in an effort to solve the problems existing in current distributed peer-to-peer networking. The present invention provides a method and system for resource sharing among peers in distributed peer-to-peer networking, which not only protects the rights and interests of peers with original shared resources, but also arouses the enthusiasm of other peers participating in the sharing process to be rewarded for their contribution during the resource sharing process, thus encouraging efficient resource sharing and smooth distributed peer-to-peer networking.
The above object of the present invention will be achieved by the following technical solution: a method for resource sharing among peers in distributed peer-to-peer networking, comprising the following steps: a) sending description information and location information of shared resources to a central service unit from at least one peer which issues shared resources; b) issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; c) sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; d) sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; e) making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; f) after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; g) according to said sharing results report, settling fees by the central service unit with at least one peer participating in resource sharing. According to one aspect of the present invention, before said step a) , said peers participating in resource sharing ask for authentication from the central service unit, and said authentication includes user name and password authentication of said peers.
According to one aspect of the present invention, said description information of shared resources includes description information of the content, size and partition of the shared resources.
According to one aspect of the present invention, in said step b) , the central service unit issues description information of shared resources in the form of webpage, directory or message services in distributed peer-to-peer networking.
According to one aspect of the present invention, in said step g) , for different resource sharing applications, the central service unit uses different strategies for settling fees with peers participating in resource sharing; and one kind of said resources sharing application corresponds to at least one kind of fees settlement strategy.
According to one aspect of the present invention, in said step g) , peers participating in resource sharing include four roles: an acquirer, a provider, an owner and a spreader, in which the acquirer is a peer requesting shared information, the provider is a peer providing shared resources, the owner is a peer owning original shared resources, and the spreader is a peer spreading shared resources; and said central service unit will track and record the roles that said peers participating in resource sharing are playing, and after the resource sharing process is finished, it will settle fees with said peers participating in resource sharing based on their said respective roles.
A system for applying the method of resource sharing among peers in said distributed peer-to-peer networking, characterized in that said system includes at least one peer and at least one central service unit, in which said central service unit issues description information of shared resources in distributed peer-to-peer networking, and settles fees with peers participating in resource sharing; said peers share resources according to the method for resource sharing among peers in said distributed peer-to-peer networking.
According to one aspect of the present invention, said central service unit can also authenticate said peers.
According to one aspect of the present invention, said peers include networking users and a service provider.
According to one aspect of the present invention, said central service unit issues description information of shared resources via its own or said service provider's software platform.
(IV) Detailed description of the embodiments
The present invention shall be described in detail with reference to the application of information resource sharing, which include file, audio, video and software resources etc. Moreover, the present invention is not limited to the application of information resource sharing, and those skilled in the art can also apply the present invention to storing resource sharing or computing resource sharing, etc. within the concept of the present invention.
According to the method of the present invention, the information resource sharing process among peers in distributed peer-to-peer networking comprises the following steps: a) sending description information and location information of shared resources to a central service unit from at least one peer which issues shared resources; b) issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; c) sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; d) sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; e) making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; f) after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; g) according to said sharing results report, settling fees by the central service unit with at least one peer participating in resource sharing, in which, the present invention introduces the central service unit into the current distributed peer-to-peer networking. Said central service unit is completely different from said server in the centralized network, and is not the central node for centrally storing shared resources in the network, but is for issuing description information of shared resources, collecting said shared results report, and settling fees with peers participating in resource sharing. The description information of said shared resources includes description information of the content, size and partition of the shared resources, and said central service unit issues description information of shared resources in the form of webpage, directory or message services in distributed peer-to-peer networking. Besides, in order to increase security during resource sharing, said central service unit can also authenticate said peers participating in resource sharing before sharing information resources, such as using a unique user name and password to identify each aforementioned peer, and authenticating said user name and password. Said peers include network users and a service provider as well, and both can serve as peers for issuing or acquiring shared resources during the information resource sharing process; furthermore, said service provider can also provide a software platform for issuing description information of shared resources besides the software platform of said central service unit itself.
More importantly, the present invention further introduces a fees settlement mechanism into the current distributed peer-to-peer network. After said resource sharing process is finished, said central service unit settles fees with said peers based on said sharing results report. Since different resource sharing applications, such as said information resource sharing, storing resource sharing or computing resource sharing, serve different purposes, different fees settlement strategies may be stipulated for them. Likewise, for one kind of resource sharing application, sharing applications of information resources, such as said file resources, audio resources, video resources and software resources, can also adopt different fees settlement strategies configured by said central service unit or peers participating in resource sharing. One kind of resource sharing application corresponds to at least one kind of fees settlement strategy.
During the information resource sharing process of this embodiment, peers participating in resource sharing can be divided into the following roles: an acquirer, a provider, an owner and a spreader, in which the acquirer is a peer acquiring shared information, the provider is a peer providing shared information, the owner is a peer owning shared information, and the spreader is a peer spreading shared information. The division of said roles is not required, but when the peers of the roles are separated physically from each other, for example, during a preliminary stage, the owner will serve simultaneously in the roles of the spreader and the provider to spread its original shared information, and after some of the peers acquire shared information, said peers can further serve as the spreader or the provider; furthermore, said provider, owner or spreader can all be said peers issuing shared information. Said central service unit tracks and records the roles that said peers participating in resource sharing are playing, and after resource sharing is finished, based on said peers' respective roles, it will settle fees with said peers participating in resource sharing. The fees settlement strategies used may be:
1. Using a strategy of maximizing the reward of the central service unit based on the large amount of services thereof, that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the central service unit will acquire the largest portion; the provider and the owner, less; and the spreader, the least. For example, the acquirer will pay 10 Yuan for acquiring shared information, of which the central service unit will receive a reward of 5 Yuan, the provider and the owner receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
2. Using a strategy of maximizing the reward for the owner based its the rights and interests for possessing original shared information, that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the owner will acquire the largest portion; the central service unit and provider, less; and the spreader, the least. For example, the acquirer will pay 10 Yuan for acquiring shared information, of which the owner will receive a reward of 5 Yuan, the central service unit and the provider receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
3. Using a strategy of maximizing the reward for the provider based on its act of providing shared information, that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the provider will acquire the largest portion; the central service unit and the owner, less; and the spreader, the least. For example, the acquirer will pay 10 Yuan for acquiring shared information, of which the provider will receive a reward of 5 Yuan, the central service unit and the owner receive 2 Yuan respectively as reward, and the spreader receives 1 Yuan as reward.
4. Using a strategy of maximizing the reward of the spreader based on its act of spreading shared information, that is to say, it is the acquirer that pays the fees for acquiring shared information as a reward for the contribution of the central service unit, the provider, the owner and the spreader to information resource sharing, and the spreader will acquire the largest portion, the central service unit and the owner, less; and the provider, the least. For example, the acquirer will pay 10 Yuan for acquiring shared information, of which the spreader will receive a reward of 5 Yuan, the central service unit and the owner receive 2 Yuan respectively as reward, and the provider receives 1 Yuan as reward.
By means of using the abovementioned fees settlement strategies and dividing the roles of peers participating in information resource sharing, not only the rights and interests of peers with original shared information can be protected, but also the enthusiasm for shared information of the provider and the spreader can be aroused, making each peer participating in information sharing receive a reward for its contribution and encourages efficient resource sharing in distributed peer-to-peer networking, and thus makes resource sharing in distributed peer-to-peer networking a smooth process .

Claims

Claims
1. A method for resource sharing among peers in distributed peer-to-peer networking, characterized in that the method comprises the following steps of: a) sending description information and location information of shared resources to a central service unit from at least one peer which issues shared resources; b) issuing description information of shared resources in distributed peer-to-peer networking from the central service unit; c) sending a resource sharing request to the central service unit based on said description information of shared resources from at least one peer which requests shared resources; d) sending the location information of shared resources from the central service unit in response to said resource sharing request to said peer requesting shared resources; e) making a peer-to-peer connection from at least one aforementioned peer which requests shared resources to at least one aforementioned peer which issues shared resources based on said location information of shared resources, and then starting the resource sharing process; f) after said resource sharing process is finished, reporting sharing results back to the central service unit from said peers which request or issue shared resources; g) according to said sharing results report, settling fees by the central service unit with at least one peer participating in resource sharing.
2. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 1, characterized in that, before said step a) , said peers participating in resource sharing ask for authentication from the central service unit, and said authentication includes user name and password authentication of said peers .
3. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 1, characterized in that said description information of shared resources includes description information of the content, size and partition of the shared resources.
4. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 1, characterized in that, in said step b) , the central service unit issues description information of shared resources in the form of webpage, directory or message services in distributed peer-to-peer networking.
5. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 1, characterized in that, in said step g) , for different resource sharing applications, the central service unit uses different strategies for settling fees with peers participating in resource sharing.
6. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 5, characterized in that one kind of said resource sharing application corresponds to at least one kind of fees settlement strategy.
7. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 1, characterized in that, in said step g) , peers participating in resource sharing include four roles: an acquirer, a provider, an owner and a spreader, in which the acquirer is a peer requesting shared resources, the provider is a peer providing shared resources, the owner is a peer owning original shared resources, and the spreader is a peer spreading shared resources .
8. The method for resource sharing among peers in distributed peer-to-peer networking as claimed in claim 7, characterized in that said central service unit will track and record the roles that said peers participating in resource sharing are playing, and after the resource sharing process is finished, it will settle fees with said peers participating in resource sharing based on their said respective roles.
9. A system for applying the method of resource sharing among peers in said distributed peer-to-peer networking, characterized in that said system includes at least one peer and at least one central service unit, in which said central service unit issues description information of shared resources in distributed peer-to-peer networking, and settles fees with peers participating in resource sharing; said peers share resources according to the method for resource sharing among peers in said distributed peer-to-peer networking.
10. The system as claimed in claim 9, characterized in that said central service unit can also authenticate said peers.
11. The system as claimed in claim 9, characterized in that said peers include networking users and a service provider.
12. The system as claimed in claim 11, characterized in that said central service unit issues description information of shared resources via its own or said service provider' s software platform.
PCT/EP2006/063197 2005-06-30 2006-06-14 Method and system for resource sharing among peers in distributed peer-to-peer networking WO2007003491A1 (en)

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