JP2004236062A - System and method of selling resource, and program thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize an increase in chance to use a service by adjusting a state of providing resources to each user at present and in the future to allow a margin for NW resources. <P>SOLUTION: This system is provided with a resource consolidating section 30 for adjusting a state of distributing content to each user terminal 10 to reduce the resources, a resource selling section 31 for selling the resources to each user terminal 10, and a resource determining section 32 for determining idle resources in an NW. The section 30 is provided with a resource consolidation determining function 301 for determining whether or not the resources may be put together, and an NW control function 302 for performing traffic control in the NW on the basis of the determination whether or not the resources may be put together. The section 31 is provided with a database 310 of user information, an accepting function 311 for accepting an NW resource request from a user, a reply function 312 for replaying to the resource request, and a notifying function 313 for notifying a person who has made a reservation of resources. The section 32 is provided with a database 320 of NW state information, an NW monitoring function 321 for monitoring an NW using state, and a resource determining function 322 for determining idle resources. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a resource sales system and a sales method for determining a NW resource based on user information and NW (network) state information and notifying a user of a free resource in a content distribution service, and more particularly, to user information and NW state information. If the resources in the NW can be reduced by adjusting the traffic conditions in the NW not only now but also in the future based on the free resources in the NW by changing the traffic transfer state to the corresponding user The present invention relates to a resource sales system, a sales method, and a program for promoting efficient resource sales such as time-reservation type resource sales and resource sales based on active free resource notification from the system side.
[0002]
[Prior art]
Conventionally, when a user uses a service via an IP-NW, resources cannot be secured from the user, and the resource allocation amount to each user fluctuates greatly depending on the NW resource usage status of another user. Was. Therefore, when transferring content that requires real-time properties, such as streaming content, to the allocated resource, stream playback may stop on the user terminal screen in the middle of There is a problem that the service quality is deteriorated such that the service is disturbed.
[0003]
On the other hand, in recent years, in order to maintain a constant service quality, a band securing technology based on a request from a user, such as a Resource Reservation Protocol (RSVP) (refer to URL http: /www.ietf.org/rfc/rfc2205), has been developed. Solutions are being established and quality assurance services using them are being proposed. In this method, each user can make an arbitrary resource request to the NW.
[0004]
[Problems to be solved by the invention]
However, in these methods, a resource request is made without grasping the user's NW resource usage, and there are cases where the amount of resources that can be provided by the NW exceeds the amount of resources that can be provided by the NW. To decrease. As a result, the quality degradation problem described above occurs for services requiring transmission quality.
As a solution to the above problem, a method is considered in which the resources on the NW are centrally managed, and when the available NW resource capacity is exceeded, resource reception control is performed. When the above solution is used, the user may be required to wait for service use until the resource capacity desired by the user can be secured. It is desirable to be as short as possible.
[0005]
As a method of reducing the standby time, there is a method in which an administrator intentionally adjusts the NW resource to generate a free resource. As a content distribution method and system related thereto, for example, “Content distribution method and content using the same” described in Japanese Patent Application No. 2002-240111 and drawings proposed by the present applicant (inventor, etc.) before filing the present application. Distribution system ”. In order to reduce the amount of traffic on the relay network, a plurality of unicast traffic of the same content is transmitted using the content distribution information of each user terminal and the viewed / unviewed information of the stream content obtained by each user terminal. It provides a method and system for converting to appropriate multicast traffic.
[0006]
(Purpose)
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and adjust a traffic state in an NW based on user information and NW state information to generate a free resource and quickly provide a service that maintains a certain quality. And a resource sales system and a sales method capable of providing resources to more users, and a program therefor.
[0007]
Another object of the present invention is to notify the amount of NW resources that can be provided resulting from adjusting the traffic state in the NW, and to utilize the NW resource provision schedule information to check the current and future traffic states. An object of the present invention is to provide a resource sales system and a sales method capable of adjusting and realizing more efficient NW resource sales, and a program therefor.
[0008]
[Means for Solving the Problems]
The resource sales system according to the present invention adjusts the content distribution state to each user terminal and performs resource aggregation determination means for determining resource aggregation availability in order to reduce resources, and performs traffic control during NW based on resource aggregation availability determination. A resource aggregating unit composed of NW control means for performing, a database of user information for performing resource sales to each user terminal, a receiving means for receiving NW resource requests from the user terminals, Resource selling unit comprising answering means for making a natural answer, notifying means for notifying a resource reservation terminal, a database of NW state information, and a NW use state including resources for determining a free resource in the NW Resource monitoring means for monitoring network resources and resource determining means for determining free resources Characterized by comprising a scan determination unit.
[0009]
In addition, the resource sales unit includes a program for managing user information including a resource provision schedule, and also receives a resource reservation by unspecified time or designation in addition to an immediate resource request from a user terminal.
Further, the resource determination unit includes a program for managing NW state information for the present as well as the future, and updates the information at a predetermined time by the program.
Further, the NW status information of the resource determination unit updates information in a database at the time of resource reservation or resource reservation.
The resource determination unit of the resource determination unit includes a program for performing an operation based on the user information managed by the resource sales unit and the NW state information managed by the resource determination unit, and the program determines an available resource. Is performed.
[0010]
Further, when the resource determination for the resource reservation request terminal is performed, the resource determination unit refers to the resource provision schedule information managed by the resource sales unit and considers the resource amount required for the resource reserved terminal. It is characterized in that the free resources are determined while performing the determination.
The notifying means of the resource sales unit may notify the resource reservation terminal of the time designation to the resource reservation terminal specified by the resource determination unit as soon as the resource determination unit determines the available resource, based on the method specified in advance by the resource reservation terminal. It is characterized by performing.
Further, the notification means of the resource sales unit is configured to notify the resource reservation terminal of which the time is not determined as soon as the resource determination unit determines a free resource, based on the method specified by the resource reservation terminal in advance. It is also characterized by performing resource notification.
[0011]
The aggregation determining unit of the resource aggregating unit includes a program that performs an operation based on the user information managed by the resource selling unit and the NW state information managed by the resource determining unit, and determines a traffic state in the NW. If it is determined that the resource can be reduced in the NW by making the adjustment, the NW control means changes the traffic transfer state to the corresponding user terminal, so that the occurrence of the vacant resource in the NW not only in the present but also in the future. It is characterized by realizing.
Also, when the free resource is generated, the user information of the resource sales unit and the NW state information of the resource determination unit are updated.
The resource determining unit of the resource determining unit may generate a free resource by the operation of the resource aggregating unit when determining that the undetermined time / designated resource request from the user terminal cannot be completely satisfied. Is characterized in that it can determine the amount of resources that can be provided or the time slot in which resources can be provided, and notify the user terminal via the answer means of the resource sales department.
[0012]
Further, when the user terminal acknowledges the notification from the answer means of the resource sales unit and makes a time reservation, the resource sales unit accepts a resource time reservation.
Further, when the resource determination unit of the resource determination unit determines that the resource request from the user terminal cannot be completely satisfied, performs resource reservation reception for the user terminal via the reception unit of the resource sales unit, A free resource is generated by the operation of the resource aggregating unit, and as soon as the resource determining unit makes a free resource determination, the notifying unit of the resource selling unit notifies the free resource based on a method specified in advance by the user terminal. I do.
[0013]
Further, when the user terminal acknowledges the free resource notification notified from the notification unit of the resource sales unit, and when the user terminal makes a time reservation, the resource sales unit accepts the resource time reservation. It is characterized by performing.
Further, when the resource determination unit of the resource determination unit determines that the resource request from the user terminal cannot be completely satisfied, the reception unit permits re-input from the user terminal, and the resource determination unit transmits By the operation of the resource aggregating unit, if a vacant resource equal to or more than the resource amount requested by the user terminal occurs before the resource determination based on the re-input information, the resource determination unit performs the vacant resource determination, and performs the To notify the user terminal of a free resource.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(Constitution)
FIG. 1 is a block diagram of a resource sales system according to an embodiment of the present invention.
As shown in FIG. 1, the resource sales system according to the present embodiment is connected to a plurality of user terminals 10 via a network (NW) 20, and exchanges data with the user terminals 10 via the network 20. Transmission and reception are possible. The resource sales system includes a resource aggregation unit 30, a resource sales unit 31, and a resource determination unit 32.
[0015]
The resource aggregating unit 30 includes a resource aggregation determination function 301 for determining whether resource aggregation is possible and an NW control function 302 for performing traffic control in the network based on the resource aggregation availability determination. In addition, the resource sales unit 31 provides a database 310 of information on the user terminal 10 including the resource provision schedule, a reception function 311 for receiving a resource request from the user terminal 10, and a specific response to the resource request. It has a reply function 312 to perform and a notification function 313 to notify the resource reservation terminal. Further, the resource determining unit 32 includes a database 320 of NW state information, an NW monitoring function 321 for monitoring the NW use state including resources, and a resource determining function 322 for determining free resources.
[0016]
(motion)
FIG. 2 is an operation flowchart of the resource selling method according to an embodiment of the present invention.
The aggregation judging function 301 of the resource aggregating unit 30 includes a user information (a used resource amount, a user terminal ID, a user terminal IP address information, a use time, etc.) managed by the database 310 of the resource selling unit 31 and a database 320 of the resource judging unit 32. Based on the NW information (topology information, user location information, distribution rate information for each flow, route information, etc.) managed by, traffic that can be organized is extracted from the traffic by each service transmitted in the NW, and the traffic is extracted. If it is determined that the resources in the network can be reduced by organizing, the NW control function 302 changes the traffic transfer state of the user terminal 10 to generate free resources in the network.
[0017]
As for the traffic adjustment method, a plurality of proposals have already been proposed (that is, refer to the above-mentioned Japanese Patent Application No. 2002-240111 and the drawings). According to this, one of the methods of aggregating a plurality of unicast traffics into one multicast track is as follows: content information, distribution start time information, distribution speed information, unicast / multicast distribution information, stream contents viewed / viewed. By collecting the unviewed information at predetermined intervals, the unconverted information is collected at an appropriate conversion time based on part or all of the information. The conversion time for aggregating a plurality of unicast traffics into one multicast traffic is determined when a common time exists between unviewed contents of a plurality of user terminals viewing a plurality of unicast distribution contents. As another method, the conversion time to be aggregated is determined when a common time exists after a lapse of a certain time between unviewed contents of a plurality of user terminals viewing a plurality of unicast distribution contents.
There are a plurality of proposals for traffic adjustment triggers, and there is a mode in which traffic adjustment is performed in response to a user's resource request, and a method in which traffic adjustment is performed based on a predetermined time interval.
[0018]
(Immediate request type)
First, a case will be described in which the user terminal 10 immediately makes a resource request in a state where traffic adjustment is performed by the resource aggregation unit 30.
The user terminal 10 makes a resource request (user resource amount, user terminal ID, user terminal IP address information, etc.) including user information to the reception function 311 of the resource sales unit 31 via the network 20.
The resource reception function 311 transmits user information (amount of used resources, user terminal ID, user terminal IP address information, etc.) to the resource determination function 322.
The resource determination function 322 includes NW state information (topology information, user location information) managed by the database 320, in addition to the user information (use resource amount, user terminal ID, user terminal IP address information, etc.) from the resource reception function 311. , Including the distribution rate information for each flow, the route information, etc.) (step 102).
As a result of the resource determination, if the resource requested by the user terminal 10 can be secured, the free resource is notified to the user terminal 10 via the answer function 312 (step 103).
[0019]
According to the resource determination, if a resource cannot be secured for the resource requested by the user terminal 10 (step 104), the following actions can be taken for the user terminal 10: 1) presenting an alternative from the system; There are two types of methods, reservation registration and standby.
In the case of 1) (step 105), the resource aggregating unit 30 adjusts the traffic in the NW, the resource determination function 322 determines the amount of free resources generated, and the answer function 312 determines the resources that can be provided at that time. The amount is notified to the user terminal 10 via the network 20 (step 108). When the user terminal 10 approves the resource amount notified from the answer function 312 (step 112), the resource sales system secures the resource of the user terminal 10 and stores the information in the databases 310 and 320. Is updated (step 115).
[0020]
As a different form of 1), the resource aggregating unit 30 adjusts and reduces the traffic in the NW not only at present but also in the future while considering the resource provision schedule information managed by the database 310. Then, the resource determination function 322 determines a time zone in which the resource amount requested by the user terminal 10 can be provided, while also considering the generated free resource information as a result of the traffic reduction. Thereafter, the answer function 312 notifies the time zone in which the resource can be provided via the network 20 (step 107). The subsequent operation procedure is the same as the case where the user terminal 10 makes a resource time reservation, and will be described below.
[0021]
In the case of 2), the reception function 311 of the resource sales unit 31 registers the user information (the amount of used resources, the user terminal ID, the user terminal IP address information, etc.) of the user terminal 10 requesting the resource (step 106). Thereafter, the resource aggregating unit 30 performs traffic adjustment during the NW, and when a free resource equal to or more than the resource amount requested by the user terminal 10 is generated, the resource determination function 322 performs a free resource determination (step 113). Then, the notification function 313 notifies the user terminal 10 of an available resource via the network 20 (step 114). The resource sales system secures the resources of the user terminal 10 and updates the information of the databases 310 and 320 (Step 115).
When the user terminal 10 has finished waiting (step 109), the resource reservation registration of the user terminal 10 is canceled (step 110), and the communication between the system and the user terminal 10 is ended (step 116).
[0022]
(Time reservation type)
Next, a case where the user terminal 10 makes a resource time reservation will be described.
The user terminal 10 makes a resource request (user resource amount, user terminal ID, user terminal IP address information, etc.) including user information to the reception function 311 of the resource sales unit 31 via the network 20 (step 120).
The resource reception function 311 transmits user information (resource usage amount, user terminal ID, user terminal IP address information, usage time, etc.) including the resource provision schedule to the resource determination function 322. The resource determination function 322 includes NW status information (topology information, topology information, etc.) managed by the database 320, in addition to the user information (use resource amount, user terminal ID, user terminal IP address information, use time, etc.) from the resource reception function 311. Resource determination is performed comprehensively, including user location information, distribution rate information for each flow, route information, and the like (step 121).
[0023]
According to the resource determination, if the resource requested by the user terminal 10 can be secured, the reply function 312 notifies the user terminal 10 of a free resource via the network 20 (step 131). The user terminal 10 makes a resource time reservation (step 132). In this case, before or after the resource provision start time, the notification function 313 may notify the user terminal 10 of the resource reservation re-notification via the network 20 to prompt the user terminal 10 to re-confirm.
In the case where the resource cannot be secured for the resource requested by the user terminal 10 according to the resource determination, the response to the user terminal 10 includes: 3) presenting an alternative from the system; 4) re-inputting the user terminal; There are three types of methods: resource reservation registration and standby of the user terminal.
[0024]
In the case of 3), the resource aggregating unit 30 adjusts the traffic in the network while considering the resource provision schedule information managed by the database 310. The resource determination function 322 determines the amount of resources that can be provided in the time slot requested by the user terminal 10 and the time slot that can be provided for the resource amount requested by the user terminal 10 while considering the generated free resource amount. Is determined. Thereafter, the answer function 312 notifies the user terminal 10 of the result of the determination via the network 20 (step 123). If the user terminal 10 approves the result notified from the answer function 312 (step 126), the resource sales system secures the resource of the user terminal 10, and the user terminal 10 reserves the resource time. Is performed (step 132). Then, the information of the databases 310 and 320 is updated. Before and after the resource provision start time, the notification function 313 may notify the user terminal 10 of the resource reservation re-notification via the network 20 to prompt the user terminal 10 to re-confirm.
[0025]
In the case of 4), the accepting function 311 accepts the resource request (the amount of used resources, the user terminal ID, the user terminal IP address information, the use time, etc.) from the user terminal 10 again (step 124). . By the time the resource determination function 322 makes the resource determination based on the re-resource request information from the user terminal 10, the resource aggregating unit 30 performs the traffic adjustment in the NW while considering the resource provision schedule information managed in the database 310. As a result, when a free resource is generated for the re-resource request, the resource determination function 322 determines a free resource for the re-resource request of the user terminal 10 (step 127). The free resource is notified to the user terminal 10 (step 131). Thereafter, the resource sales system secures resources of the user terminal 10, and the user terminal 10 makes a resource time reservation (step 132). Then, the information of the databases 310 and 320 is updated. Also in this case, as in the case of 3), the notification function 313 performs a resource reservation re-notification to the user terminal 10 via the network 20 before and after the resource provision start time. You may be asked to reconfirm with.
[0026]
In the case of 5), the reception function 311 of the resource sales unit 31 registers the user information (the amount of used resources, the user terminal ID, the user terminal IP address information, the usage time, etc.) of the user terminal 10 requesting the resource (step). 125). Thereafter, the resource aggregating unit 30 performs traffic adjustment during the NW, and when a necessary free resource is generated in the NW resource in a time zone requested by the user terminal 10, the resource determination function 322 performs a free resource determination. (Step 130). Then, the notification function 313 notifies the user terminal 10 of the available resource via the network 20 (step 131), and the resource sales system secures the resource of the user terminal 10, and the user terminal 10 receives the resource time. A reservation is made (step 132). Then, the information of the databases 310 and 320 is updated. Also in this case, as in 3) and 4), the notification function 313 notifies the user terminal 10 of the resource reservation re-notification via the network 20 before and after the resource provision start time. 10 may be urged to reconfirm.
When the user terminal 10 has finished waiting (step 128), the resource reservation registration of the user terminal 10 is canceled (step 129), and the communication between the system and the user terminal 10 is ended (step 133).
[0027]
If a program is configured by coding the steps of the flow of FIG. 2 and stored in a recording medium such as a CD-ROM, it is convenient for sale to the market and the like. By installing a recording medium in a computer and installing and executing the program, the resource selling method of the present invention can be easily realized.
[0028]
In the present invention, a) there is an effect that a certain quality assurance service can be provided to a larger number of use terminals with a shorter waiting time than in the conventional mode. The reason is that the aggregation determination function collectively collects NW state information and user information, determines whether resource aggregation is possible based on the information, and when resource aggregation is possible, the NW control function determines whether the resource This is because by adjusting the traffic transfer state, it is possible to generate an available resource in the NW at an early stage.
b) Notifying available resource information (resource amount and available time) in consideration of available resources generated by the resource aggregating operation of the resource aggregating unit, or using the NW resource providing schedule information to determine whether the time is undetermined or timed There is an effect that more efficient NW resource provision becomes possible, for example, by realizing provision of a designated resource reservation. The reason for this is that the NW sales department has various sales functions, and makes an appropriate resource reservation judgment by utilizing the NW resource provision schedule information.
[0029]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a certain quality assurance service with a shorter waiting time and a larger number of users than in the conventional mode, and In consideration of available resources generated by the aggregation operation, resource information that can be provided is notified, and resource provision by time undecided or time designation is realized by utilizing NW resource provision schedule information, so that more efficient network This has the effect that resources can be provided.
[Brief description of the drawings]
FIG. 1 is a block diagram of a resource sales system according to an embodiment of the present invention.
FIG. 2 is an operation flowchart of a resource selling method according to an embodiment of the present invention.
[Explanation of symbols]
10 user terminal, 20 network (NW), 30 resource aggregation unit,
301: aggregation determination function, 302: NW control function, 31: resource sales department,
310 ... database (user information), 311 ... reception function,
312: answer function, 313: notification function, 32: resource determination unit
320 ... database (NW status information), 321 ... NW monitoring function
322: Resource determination function.

Claims (19)

A resource sales system that transmits and receives a plurality of user terminals via a network and sells resources requested by each user terminal,
In order to adjust the content distribution state to each user terminal and reduce resources, the system comprises resource aggregation determining means for determining whether resource aggregation is possible and network control means for performing traffic control in the network based on the resource aggregation availability determination. Resource aggregator to be
To sell resources to each user terminal, a database of user information, a receiving unit for receiving a network resource request from the user terminal, a response unit for giving a specific answer to the resource request, and a resource reservation terminal A resource sales department comprising notification means for notifying
In order to determine a free resource in the network, the system includes a database of network status information, a network monitoring unit for monitoring a network usage state including resources, and a resource determination unit including a resource determination unit for determining a free resource. A resource sales system characterized by: In the resource sales system according to claim 1,
A resource sales system comprising: a program for managing user information including a resource provision schedule; and, in addition to an immediate resource request from a user terminal, also accepting a resource reservation at a fixed or unspecified time. . In the resource sales system according to claim 2,
The user information updates a database information at the time of resource reservation or resource reservation. In the resource sales system according to claim 1,
The resource sales system according to claim 1, wherein the resource determination unit includes a program for managing network status information for the present as well as the future, and updates the information at a predetermined time by the program. In the resource sales system according to claim 4,
The resource sales system according to claim 1, wherein the network status information of the resource determination unit updates information in a database at the time of resource reservation or resource reservation. In the resource sales system according to claim 1,
The resource determination unit of the resource determination unit includes a program that performs an operation based on user information managed by the resource sales unit and network state information managed by the resource determination unit, and performs a free resource determination by the program. A resource sales system characterized by performing: In the resource sales system according to claim 6,
The free resource determination of the resource determination unit refers to the resource provision schedule information managed by the resource sales unit when performing the resource determination for the resource reservation desired terminal, while also considering the resource amount required for the resource reserved terminal. A resource sales system characterized by performing free resource determination. In the resource sales system according to claim 1 or 6,
The notifying means of the resource sales unit may notify the resource reservation terminal of the time designation to the resource reservation terminal specified by the resource determination unit as soon as the resource determination unit determines that the resource is free, based on the method specified in advance by the resource reservation terminal. A resource sales system characterized by: In the resource sales system according to claim 1 or 6,
The notification unit of the resource sales unit notifies the resource reservation terminal of undetermined time, as soon as the resource determination unit determines the free resource, the notification unit of the resource sales unit notifies the free resource based on the method specified by the resource reservation terminal in advance. A resource sales system characterized by performing: In the resource sales system according to claim 1,
The aggregation determination unit of the resource aggregation unit includes a program that performs an operation based on user information managed by the resource sales unit and network status information managed by the resource determination unit, and adjusts a traffic state in the network. Accordingly, if it is determined that the resources in the network can be reduced, the network control means changes the traffic transfer state to the corresponding user terminal, thereby generating a free resource in the network not only in the present but also in the future. A resource sales system characterized by having In the resource sales system according to claim 10,
A resource sales system characterized by updating user information of a resource sales unit and network status information of a resource determination unit when the free resources occur. The resource sales system according to claim 1, 6 or 10,
The resource determining unit of the resource determining unit, when making a determination that the time undecided or the time-specified resource request from the user terminal cannot be completely satisfied, generates a free resource by the operation of the resource aggregating unit. A resource sales system characterized in that it determines the amount of resources that can be provided or the time slot in which resources can be provided and notifies the user terminal via the answer means of the resource sales unit. In the resource sales system according to claim 12,
When the user terminal acknowledges the notification from the answer means of the resource sales unit and makes a time reservation, the resource sales unit accepts a resource time reservation. In the resource sales system according to claim 1 or 6,
When the resource determination unit of the resource determination unit determines that the resource request from the user terminal cannot be completely satisfied, the resource reservation is received for the user terminal via the reception unit of the resource sales unit, and the resource aggregation is performed. A free resource is generated by the operation of the unit, and as soon as the resource determining unit makes a free resource determination, the notifying unit of the resource selling unit notifies the free resource based on a method specified in advance by the user terminal. Resource sales system. In the resource sales system according to claim 14,
When the user terminal acknowledges the free resource notification notified by the notification unit of the resource sales unit, and when the user terminal makes a time reservation, the resource sales unit performs resource time reservation acceptance. A resource sales system characterized by: The resource sales system according to claim 1, 6 or 10,
When the resource determination unit of the resource determination unit determines that the resource request from the user terminal cannot be completely satisfied, the reception unit permits re-input from the user terminal, and the resource determination unit determines that the resource By the time the resource aggregating unit operates to generate a free resource equal to or more than the resource amount requested by the user terminal before the resource determination based on the re-input information, the resource determination unit makes a free resource determination. A resource notification system for notifying the user terminal of a free resource via the user terminal. A resource sales method for communicating with a plurality of user terminals via a network and selling resources requested by each user terminal,
The aggregation determining means collectively collects network status information and user information, determines whether resource aggregation is possible based on the network status information and user information, and when resource aggregation is possible, the network control means Adjusts the traffic transfer state for the network to generate free resources in the network at an early stage,
In addition, a resource sales method characterized by providing a resource reservation at a fixed or unspecified time by utilizing network resource provision schedule information. A resource selling program for causing a resource selling computer to function as each unit of the resource selling system according to claim 1. A computer-readable recording medium recording the resource sales program according to claim 18.

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