JP5262474B2 - Signal control method and resource management network system - Google Patents

Description

  The present invention relates to a signal control method and a resource management network system, and in particular, specifies a main signal that flows between communication terminals that dynamically start communication, and a communication path that is secured to accommodate the main signal. TECHNICAL FIELD The present invention relates to a signal control method and a resource management network system for correctly accommodating an object.

  The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) has been promoting standardization of the Next Generation Network (NGN). This NGN can guarantee the communication quality for a variable-length main signal according to the application and service. That is, the NGN is designed to transfer a variable-length main signal like an IP network and to guarantee quality like an SDH (Synchronous Digital Hierarchy) or ATM (Asynchronous Transfer Mode) network. In recent years, the momentum of practical use of NGN has also increased.

  On the other hand, in the field of research and development, research and development related to a method and system for dynamically allocating a communication path with a bandwidth guarantee according to the demands of applications and users are progressing.

  FIG. 20 illustrates an image of a general-purpose network including the communication terminal 20 such as a computer, a telephone, a camera, and a storage, and the communication device 10. Hereinafter, an example of research and development up to now will be described with reference to FIG.

  FIG. 21 shows a control signal exchange example (part 1) in the prior art.

  (1) When a client such as a user executes an application via a network or transfers data or the like, the desired bandwidth and other communication quality to the communication management device 30 or the communication device 10 equivalent thereto Request a channel reservation that satisfies

  (2) Next, the communication management device 30 or the like controls the communication device 10 and the communication path 60 based on the reservation request (see, for example, Non-Patent Document 1).

  FIG. 22 shows a second example of control signal exchange in the prior art.

  (1) When a client such as a user executes an application via a network or transfers data or the like, a processing request is notified to the opposite communication terminal.

  (2) Next, in response to the processing request, the communication terminal 20 requests the communication management apparatus 30 to reserve a communication path that satisfies a desired bandwidth and other communication quality.

  (3) Finally, the communication management device 30 controls the communication device 10 and the communication path 60 based on the reservation request (see, for example, Patent Document 1).

  FIG. 23 shows a control signal exchange example (part 3) in the prior art.

  (1) In recent research and development, first, a client such as a user or an application transmits a processing request to the resource management apparatus 50 when executing an application via a network or transferring data or the like.

  (2) The resource management device 50 determines the terminal management device 40 and the communication management device 30 that should request resource reservation based on the processing request. Next, the resource management device 50 makes a reservation request for a communication terminal that can be used for the terminal management device 40 based on the processing request, and similarly reserves a communication path that can be used for the communication management device 30 based on the processing request. Make a request.

  (3) The terminal management device 40 and the communication management device 30 execute assignment of the communication terminal 20 and the communication path 60 based on the reservation request (see, for example, Non-Patent Document 2 and Non-Patent Document 3).

  The resource management device 50 uses the information management device 70 shown in FIG. 24 or a similar technique when checking the existence of the communication management device 30 and the terminal management device 40 and acquiring information. In view of the above, the research and development theme from the 1990s to 2005 was centered on the bandwidth guarantee technology and the route control technology for communication between the client such as the user and the communication terminal 20, as shown in FIG. . In the case of such communication between the client and the communication terminal 20, the client or the communication terminal knows clearly the start point and end point of the communication, and grasps the characteristics of the main signal exchanged between the client and the communication terminal 20. doing. The communication management device 30 notifies the characteristics of the main signal exchanged between the client and the communication terminal 20 from the client or the communication terminal 20, thereby setting an appropriate accommodation control setting for the communication device 10 on the communication path. It becomes executable. The communication device 10 can select only the desired main signal from the innumerable main signals flowing in and out based on the set accommodation control setting, and can be accommodated in the desired communication path.

On the other hand, research and development themes after 2005 are centered on the bandwidth guarantee technology and the route control technology between the communication terminals 20 as shown in FIG.
JP 2003-51846 A Kazuhisa Yamada, et al. “Design and Evaluation of Adaptive QoS Control System Considering User Requirements in Multiservice IP Networks” IEICE Transactions, Vol. J86-B No.3, 2003 Atsuko Takebo, et al. “Core Path Application Experiment for Computing and Optical Path Network Resources in Grids” SACSIS (Symposium on Advanced Computing systems and Infrastructures) 2006 Atsuko Takebo, et al. “Japan-US Grid Core Location Experiments for Computing and Network Resources Using Middleware Collaboration” 164th Computer Architecture and 109th High Performance Computing Joint Research Presentation

  However, until now, a method for dynamically and accurately accommodating a main signal exchanged between communication terminals in a desired communication path whose bandwidth is guaranteed and route-controlled has not been studied. Furthermore, it is impossible to divert the conventional accommodation control technology.

  This is because the user cannot grasp the information on the communication terminal that the terminal management device autonomously secures based on the own processing request. Furthermore, since the terminal management device group secures the communication terminals independently from each other based on the reservation request of the resource management device, the secured communication terminal cannot grasp the opposite communication terminal. Similarly, the terminal management device cannot grasp the information on the communication terminals secured by other terminal management devices. That is, in the network shown in FIG. 23, there is no communication device, communication terminal, terminal management device, communication management device, or resource management device that can grasp the characteristics of the main signal exchanged between communication terminals. As described above, it is not feasible to accommodate the main signal flowing between the communication terminal groups dynamically secured via the terminal management device only in the desired communication path only by using the conventional technology.

  The present invention has been made in view of the above points, and is a signal control method capable of reliably containing a main signal transmitted and received between a group of communication terminals that are dynamically secured only in a corresponding communication path. And a resource management network system.

  FIG. 1 is a diagram for explaining the principle of the present invention.

The present invention (Claim 1) controls a communication terminal group having a main signal transmission / reception function, a communication device group having a main signal transfer function, a communication device and a communication path for transferring the main signal, and One or more communication management devices having a function to manage, one or more terminal management devices having a function of controlling and managing a communication terminal, and the communication management device and the terminal management device in response to a client request A signal control method for controlling the main signal in a resource management network composed of one or more resource management devices having a function of securing the communication path and the communication terminal in cooperation with
Before and after the communication management device and the terminal management device secure the communication path and the communication terminal based on the request of the client,
The resource management device
Based on the service provision request received from the client, the terminal management device group that should request the reservation of the communication terminal and the communication management device group that should request the reservation of the communication path are determined, and the determined terminal management device group A reservation request step for making a communication terminal reservation request for the communication terminal and making a communication channel reservation request to the determined communication management device group is executed.
The terminal management device
And signal information exchange step of receiving a predetermined identification information for identifying the main signal flow between the communication terminal group to be secure from the communication management apparatus,
A terminal control step for controlling a communication terminal group to be secured , giving predetermined identification information to a main signal , and transmitting the main signal;
Run
Communication management device
It controls the communication unit group based on the predetermined identification information, executes the signal control step predetermined identification information to the communication path Ru is housed a main signal added reserved.

  FIG. 2 is a principle configuration diagram of the present invention.

The present invention (Claim 2 ) includes a communication terminal group 20 having a main signal transmission / reception function, a communication device group 10 having a main signal transfer function, and a communication path for transferring the communication device 10 and the main signal. One or more communication management devices 30 having the function of controlling and managing the communication, one or more terminal management devices 40 having the function of controlling and managing the communication terminal 20, and the communication management according to the request of the client A resource management network system comprising a device 30 and one or more resource management devices having a function of securing the communication path and the communication terminal 20 in cooperation with the terminal management device 40;
The resource management device
Based on the service provision request received from the client, the terminal management device group that should request the reservation of the communication terminal 20 and the communication management device group that should request the communication path reservation are determined, and the determined terminal management device group Reservation request means for making a communication terminal reservation request to the determined communication management device group and a communication channel reservation request,
The terminal management device 40
And signal information exchanging unit 431 for receiving a predetermined identification information for identifying the main signal flow between the communication terminal group to be secure from the communication management apparatus,
First storage means 44 for storing predetermined identification information;
A terminal control unit 432 for controlling the communication terminal group 20 to be secured and transmitting predetermined identification information to the main signal,
The communication management device 30
Second storage means 34 storing predetermined identification information ;
Controls based-out communication device group 10 to a predetermined identification information includes a signal control unit and a 33 predetermined identification information to accommodate the main signal added in the communication path is secured, the.

  The present invention relates to a communication terminal reserved when or before or after a communication management device and a terminal management device reserve a communication device group, a communication path group, and a communication terminal group in cooperation with a client request. The terminal information or main signal information necessary for accommodating and controlling the main signal generated by the above-described communication path is exchanged. At the same time, the communication management apparatus controls the communication apparatus based on the determined main signal information, and the terminal management apparatus controls the communication terminal. As a result, the communication management device can perform appropriate settings for controlling the accommodation of the main signal with respect to the communication device, and can accommodate the desired main signal in the desired communication path.

  In addition, the cooperation between the communication management device and the terminal management device is expanded, and the communication management device, the terminal management device, and the resource management device are also linked. Thereby, the terminal management device group and the communication management device group can omit the management of the mutual existence.

  In addition, the method of accommodating a specific main signal in a specific communication path is expanded to perform quality control of the specific main signal. Thereby, quality control can be performed only on a specific main signal in response to a client request.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  The following description is based on the network configuration shown in FIG.

[First Embodiment]
First, the resource management device 50 will be described.

  FIG. 3 shows the configuration of the resource management device according to the first embodiment of the present invention.

  The resource management device 50 shown in FIG. 1 includes a client interface 51, a terminal management device interface 52, a communication management device interface 53, a scheduler 54, and a database 55.

  The database 55 has a reservation management table 551 as shown in FIG. The reservation management table 551 stores information of a reservation number, start time, end time, communication management device number (ID), and reservation ID. The configuration of the reservation management table 551 may be different from that shown in FIG. 4, and may further include a database different from that shown in FIG.

  The resource management device 50 manages a client request with a reservation number, and manages the communication management device 30 that requests securing of a communication path according to the reservation number. However, the communication path group and the communication terminal group may be reserved by a method other than the above.

  Next, the communication management device 30 will be described.

  FIG. 5 shows the configuration of the communication management apparatus according to the first embodiment of the present invention.

  The communication management apparatus 30 shown in FIG. 1 includes a resource management interface 31 that transmits / receives signals to / from the resource management apparatus 50, a communication apparatus interface 32 that transmits / receives signals to / from the communication apparatus 10, a scheduler 33, and a database 34. .

  The database 34 has a communication reservation management table 341 as shown in FIG. 6 and a communication resource management table 342 as shown in FIG. The communication reservation management table 341 manages a reservation number, start time, end time, capacity, passage route information, communication channel setting method, communication channel deletion method, and the like. The communication resource management table 342 manages the link number, link end communication device port number, communication capacity, scale, and the like. The database 34 may have a configuration different from the tables shown in FIGS. 6 and 7, or may include a database different from those in FIGS.

  In the scheduler 33, the scheduler 33 refers to the communication resource management table 342 of the database 34 in response to a request from the resource management device 50, calculates a communication device resource that can be secured, and secures the communication path 60. At the same time, the communication path 60 secured by using the communication reservation management table 341 is managed with the reservation number. However, the communication path 60 may be secured and managed by a method other than the host.

  Next, the terminal management device 40 will be described.

  FIG. 8 shows the configuration of the terminal management apparatus according to the first embodiment of the present invention.

  The terminal management device 40 shown in FIG. 1 includes a resource management interface 41 that transmits / receives signals to / from the resource management device 50, a communication terminal interface 42 that transmits / receives signals to / from the communication terminal 20, a scheduler 43, and a database 44.

  The database 44 includes a terminal reservation management table 441 and a resource management table 442. As shown in FIG. 9, the terminal reservation management table 441 manages a reservation number, a start time, an end time, information on a reserved communication terminal group, and the like. As shown in FIG. 10, the resource management table 442 manages terminal numbers, processing capability information, schedules, and the like. The database 44 may have a configuration different from the tables shown in FIGS. 9 and 10 or may include a database different from those in FIGS.

  In response to a request from the resource management device 50, the scheduler 43 of the terminal management device 40 refers to the terminal resource management table 442 of the database 44, calculates a secure communication terminal resource, and secures a communication terminal. At the same time, the communication terminal 20 secured using the terminal reservation management table 441 is managed with the reservation number. However, the communication terminal may be secured and managed by a method other than the above method.

  The resource management device 50 may be integrated with the communication management device 30, may be integrated with the terminal management device 40, or may contain both the communication management device 30 and the terminal management device 40. The communication management device 30 may be integrated with the communication terminal 20.

  The resource management device 50 includes the information management device 70, the communication management device 30, the terminal management device 40 in FIG. 24, or the amount of communication terminal resources that can be used in cooperation with some of these, and the available communication path resources. Can be confirmed. Similarly, the communication management device 30 and the terminal management device 40 also use a method that cooperates with the resource management device 50, another communication management device and another terminal management device, or a method that cooperates with the information management device 70. The presence of the resource management device 70, another communication management device, and another terminal management device can be confirmed.

  The client 80 is a user or an application. However, the client is not limited to the user and the application as long as the client has a function of requesting the resource management device 70 to make a reservation.

  After receiving the service provision request from the client 80, the resource management device 50 determines the terminal management device group 40 that should request the reservation of the communication terminal 20. Similarly, the communication management device group 30 to be requested to reserve a communication path is determined.

  FIG. 11 shows an example of a computer and communication channel reservation process in the first embodiment of the present invention. In the figure, an operation in which the resource management device 70 reserves the communication terminal 20 and the communication path 60 in cooperation with the communication management device 30 and the terminal management device 40 is shown. In this reservation operation, there are a case where a resource desired to be used immediately is reserved and a case where a resource desired to be used in the future is reserved. However, the processing operation is the same in both cases.

  As an example of the content of the service provision request, the method described in Non-Patent Document 2 described above can be used. However, the content may be different from that of Non-Patent Document 2 as long as it is a content requesting to secure a communication path, a communication terminal, or both of the communication path and the communication terminal.

  FIG. 12 is an example of a processing sequence in the first embodiment of the present invention.

  As shown in the figure, the terminal management device 40 performs communication management of information on the reserved communication terminal 20 after waiting for a certain period of time (a reservation for the network is made in advance and the control is shifted to the reservation time). Exchange with the device 30 (signal information exchange step (FIG. 12, step 101)). However, it is not necessary to wait for a certain time. An example of communication terminal information to be notified is shown in FIG. For example, the communication terminal information includes the MAC address, IP address, and port number of the interface that transmits the main signal. However, information other than these may be used.

  As illustrated in FIG. 14, the communication management device 30 calculates the characteristics of the main signal transmitted and received between the reserved communication terminals based on the communication terminal 20 or the main signal information notified from the terminal management device group 40. Furthermore, the communication management device 30 determines a method for controlling the communication device 10 based on the characteristics of the main signal. That is, the communication management device 30 selects a main signal group to be exchanged between reserved communication terminals from the main signal group flowing into and out of the communication device 10 and stores a policy for accommodating the reserved signal in the reserved communication path. Determine. The communication management apparatus 30 stores the policy in the communication path setting method column of the communication reservation management table 341 of the database 34 of FIG.

  The communication path 60 is configured by a path control technique such as a virtual local area network tunnel (VLAN tunnel), a label switched path (LSP), or a stud routing. However, other route control techniques may be used.

  The terminal management device 40 controls the reserved communication terminal group 20 after waiting for a predetermined time (terminal control step (FIG. 12, step 102)). As a result, the communication terminal group 20 transmits and receives the main signal. However, it is not necessary to wait for a certain time.

  On the other hand, the communication management device 30 controls the communication device 10 based on the communication path setting method stored in the communication summary management table 341 of the database 34 after waiting for a certain time (signal control step (FIG. 12, FIG. 12)). Step 103)). However, it is not necessary to wait for a certain time.

  The communication device 10 accommodates the inflow main signal in the reserved communication path based on the setting contents set by the communication management device 30.

  As described above, the main signal transmitted and received between the reserved communication terminals 20 can be reliably accommodated in the communication path 60 reserved for accommodating and transferring the main signal.

  In the present embodiment, when the service provision request from the client includes band designation information, the communication band of the main signal flowing between the communication terminals reserved according to the communication band designated by the service provision request is set. Control.

  In the present embodiment, an example in which a method described in the following document is used as a packet filtering technique will be described.

・ Http://en.wikipedia.org/wiki/PF_(firewall) (Reference 1);
・ Juniper Networks, Inc. "Filter-based forwarding"
http://www.juniper.net/solutions/literature/white_papers/552003.pdf "(reference 2);
・ Tomokazu Hori, et al. “Implementation and evaluation of bandwidth control method depending on session contents in network processor (Broadband service, overlay networking technology such as CDN / P2P / Grid and general)” Information Network 2004 ”(Reference 3);
・ "Ken Tanaka, et al." Reorganization of filtering rules to reduce the load on network devices "IEICE Transactions B2005" (Reference 4):
The packet filtering technology alone may be an existing technology. The communication management device 30 sets a packet filter for the communication device 10. The packet filter can control the quality for a specific flow.

  As described above, the communication quality of only the main signal flowing between the reserved communication terminals 20 can be controlled. However, quality control techniques other than packet filters may be used.

[Second Embodiment]
In the present embodiment, an example in which main signal field identification information is used in the signal control method based on the first embodiment will be described.

  FIG. 15 shows a processing sequence in the second embodiment of the present invention.

  In the signal information exchanging step (step 201) shown in the figure, the communication management device 30 provides the terminal management device group 40 with identification information for identifying the main signal as a main signal exchanged between the reserved communication terminals. Instruct to grant.

  The identification information includes VLANTagID or LSP label value. However, identification information other than these may be used.

  The terminal management device 40 controls the communication terminal 20 reserved to transmit the designated identification information to the main signal (terminal control step (step 202)). As a result, the communication terminal 20 gives the instructed identification information to the main signal, and transmits and receives the main signal.

  The communication management device 30 controls the reserved communication device resource group and accommodates the main signal with identification information in the reserved communication path (signal control step (step 203)).

  As described above, the main signal transmitted and received between the reserved communication terminals 20 is accommodated and transferred without calculating the characteristics of the main signal exchanged between the reserved communication terminals. Therefore, it can be reliably accommodated in the reserved communication path.

  Furthermore, the communication management device 30 can assign convenient identification information to the reserved communication terminal group 20 in view of the network status.

[Third embodiment]
In the present embodiment, the terminal information of the communication terminal group 20 secured in cooperation with the communication management device 30, the terminal management device 40, and the resource management device 50 in the first embodiment described above, or secured. An example of obtaining the characteristics of the main signal when exchanging the main signal information of the main signal flowing between the communication terminals will be described.

  FIG. 16 shows a processing sequence in the third embodiment of the present invention.

  In this embodiment, the terminal management device group 40 notifies the resource management device 70 of information on the reserved communication terminal group (signal information exchange step (step 301)). The resource management device 70 calculates the characteristics of the main signal exchanged between the reserved communication terminals based on the information of the terminal management device group 40 that requested the reservation and the communication terminal group 20 reserved by the terminal management device. To do. The resource management device 70 notifies the communication management device 30 of the characteristics of the calculated main signal. The communication management device 30 stores the control method of the communication device 10 in the communication reservation management table 341 of the database 34 based on the notified characteristics of the main signal.

  Since the subsequent processing is the same as that of the first embodiment, the description thereof is omitted.

  In the present embodiment, the resource management device 70 mediates message processing with the terminal management device 40. Originally, the terminal management device 40 and the communication management device 30 are functions for managing different resources such as the communication terminal 20 and the communication path 60, and may be implemented as separate devices. When implemented separately, it is not necessary to know the existence of each other.

  According to the present embodiment, the main signal transmitted and received between the reserved communication terminals 20 is accommodated and transferred by the communication management device group 30 and the terminal management device group 40 without grasping each other's existence. Therefore, it can be reliably accommodated in the reserved communication path.

[Fourth Embodiment]
In the present embodiment, the terminal information of the communication terminal group 20 secured in cooperation with the communication management device 30, the terminal management device 40, and the resource management device 50 in the second embodiment, or the secured communication terminal An example in which identification information is used when exchanging main signal information of main signals flowing between groups will be described.

  FIG. 17 shows a processing sequence in the fourth embodiment of the present invention.

  In the present embodiment, the communication management device 30 notifies the resource management device 70 of identification information for identifying the main signal flowing between the reserved communication terminals 20 group. The resource management device 70 notifies the notified identification information to the communication terminal group 20 that has made the reservation request (signal information exchange step (step 401)).

  Since the subsequent processing is the same as that of the second embodiment, the description thereof is omitted.

  According to the present embodiment, as in the third embodiment, the communication management device group 30 and the terminal management device group 40 are transmitted and received between the reserved communication terminal groups 20 without grasping each other's existence. The signal can be reliably accommodated in a communication path reserved for accommodating and transferring the main signal.

[Fifth Embodiment]
This embodiment shows an example of a signal control method for adding identification information to a main signal in the method shown in the first embodiment or the second embodiment.

  FIG. 18 shows a processing sequence in the fifth embodiment of the present invention.

  In the signal information exchange step (step 501) in the present embodiment, the communication management device 30 exchanges identification information for identifying the main signal between the reserved communication terminals 20 for the terminal management device group 40. Instructs the main signal to be given. On the other hand, the terminal management device 40 exchanges reserved communication terminal 20 information or main signal information with the communication management device 30. The communication management device 30 calculates the characteristics of the main signal transmitted / received between the reserved communication terminals 20 based on the information notified from the terminal management device group 40. The communication management device 30 selects a main signal group to be exchanged between the reserved communication terminals 20 from the main signal group flowing into and out of the communication device 10 and determines a policy to be accommodated in the reserved communication path. To do. The communication management device 30 stores the policy in the communication path setting method column of the communication reservation management table 341 of the database 34. In addition, the communication management device 30 instructs the terminal management device group 40 to give a specific priority to the main signal exchanged between the reserved communication terminals 20.

  The terminal management device 40 controls the communication terminal 20 reserved to transmit the designated priority assigned to the main signal (terminal control step (step 502)). As a result, the communication terminal 20 gives priority to the main signal and transmits / receives the main signal.

  On the other hand, the communication management device 30 controls the communication device and the like so as to accommodate the main signal flowing between the reserved communication terminals 20 in the reserved communication path 60 (signal control step (step 503)). Further, the communication apparatus 10 and the like are controlled so as to control the contention processing between the main signals according to the priority of the main signal.

  As described above, the main signal transmitted and received between the reserved communication terminals can be reliably accommodated in the communication path reserved for accommodating and transferring the main signal.

  As described above, the main signal transmitted and received between the reserved communication terminals 20 can be reliably accommodated in the communication path reserved for accommodating and transferring the main signal. Furthermore, in the communication apparatus 10, when the main signal (reservation flow) transmitted / received between the reserved communication terminals 20 competes with the main signal (non-reservation flow) transmitted / received between the communication terminals not reserved, It becomes possible to actively discard the reservation flow and guarantee the communication quality of the reservation flow.

[Sixth Embodiment]
This embodiment shows an example of a signal control method for giving priority to a main signal in the method shown in the third embodiment or the fourth embodiment.

  FIG. 19 shows a processing sequence in the sixth embodiment of the present invention.

  In the signal information exchange step (step 601) in the present embodiment, the communication management device 30 gives priority to the main signal exchanged between the reserved communication terminals 20 with respect to the terminal management device group 40 via the resource management device 70. Instruct to give degree. On the other hand, the terminal management device group 40 notifies the resource management device 70 of information on the reserved communication terminal group 20.

  The resource management device 70 determines the characteristics of the main signal exchanged between the reserved communication terminals 20 based on the information of the terminal management device group 40 that requested the reservation and the communication terminal group 20 reserved by the terminal management device. calculate. The resource management device 70 notifies the communication management device 30 of the characteristics of the calculated main signal. The communication management device 30 stores the control method of the communication device 10 in the communication reservation management table 341 of the database 34 based on the notified characteristics of the main signal.

  The terminal management apparatus 40 controls the communication terminal reserved to transmit the designated priority assigned to the main signal (terminal control step (step 602)). As a result, the communication terminal 20 gives the instructed priority to the main signal and transmits / receives the main signal.

  On the other hand, the communication management device 30 controls the communication device 10 and the like so as to accommodate the main signal flowing between the reserved communication terminals 20 in the reserved communication path (signal control step (step 603)). Further, the communication apparatus 10 and the like are controlled so as to control the contention processing between the main signals according to the priority of the main signal.

  As described above, the main signal transmitted and received between the reserved communication terminals 20 can be reliably accommodated in the communication path 60 reserved for accommodating and transferring the main signal. Furthermore, in the communication apparatus 10, when the main signal (reservation flow) transmitted / received between the reserved communication terminals 20 competes with the main signal (non-reservation flow) transmitted / received between the communication terminals 20 not reserved, It is possible to actively discard non-reserved flows and guarantee the communication quality of the reserved flows.

  The operations of the components of the resource management device 50, the terminal management device 40, and the communication management device 30 in each of the above embodiments are constructed as a program and installed in a computer used as these devices, or executed. It is also possible to distribute through a network.

  Further, the constructed program can be stored in a portable storage medium such as a hard disk, a flexible disk, or a CD-ROM, and can be installed or distributed in a computer.

  The present invention is not limited to the above-described embodiment, and various modifications and applications can be made within the scope of the claims.

  The present invention is applicable to a technique for dynamically allocating a communication path with a bandwidth guarantee.

It is a figure for demonstrating the principle of this invention. It is a principle block diagram of this invention. It is an example of a structure of the resource management apparatus in the 1st Embodiment of this invention. It is an example of the reservation management table of the database which the resource management apparatus in the 1st Embodiment of this invention holds. It is an example of a structure of the communication management apparatus in the 1st Embodiment of this invention. It is an example of the communication reservation management table of the database which the communication management apparatus in the 1st Embodiment of this invention holds. It is an example of the communication resource management table of the database which the communication management apparatus in the 1st Embodiment of this invention holds. It is an example of a structure of the terminal management apparatus in the 1st Embodiment of this invention. It is an example of the terminal reservation management table of the database which the terminal management apparatus in the 1st Embodiment of this invention holds. It is an example of the resource management table of the database which the terminal management apparatus in the 1st Embodiment of this invention holds. It is an example of the reservation process of a computer and a communication path in the 1st Embodiment of this invention. It is an example of the processing sequence in the 1st Embodiment of this invention. It is a figure which shows exchange of the main signal information or terminal information in the 1st Embodiment of this invention. It is an exchange image of the main signal information in the terminal management apparatus and communication management apparatus in the 1st Embodiment of this invention. It is an example of the process sequence in the 2nd Embodiment of this invention. It is an example of the processing sequence in the 3rd Embodiment of this invention. It is an example of the processing sequence in the 4th Embodiment of this invention. It is an example of the processing sequence in the 5th Embodiment of this invention. It is an example of the processing sequence in the 6th Embodiment of this invention. It is an example of the network structure in a prior art. It is the exchange example (the 1) of the control signal in a prior art. It is the exchange example (the 2) of the control signal in a prior art. It is the example (the 3) of control signal exchange in a prior art. It is a figure for demonstrating the information management apparatus in a prior art. It is an application example (part 1) of the quality / route control technology in the conventional technology. It is the application example (the 2) of the quality and route control technique in a prior art.

Explanation of symbols

10 Communication devices (communication device group)
20 communication terminals (communication terminal group)
30 Communication Management Device 31 Resource Management Interface 32 Communication Device Interface 33 Signal Control Unit, Scheduler 34 Second Storage Unit, Database 40 Terminal Management Device 41 Resource Management Interface 42 Communication Terminal Interface 43 Scheduler 44 First Storage Unit, Database 50 Resource Management device 51 Client interface 52 Terminal management device interface 53 Communication management device interface 54 Scheduler 55 Database 60 Communication path 341 Communication reservation management table 342 Communication resource management table 431 Signal information exchanging means 432 Terminal control means 441 Terminal reservation management table 442 Resource management table 551 Reservation management table

Claims (2)

One or more units having a communication terminal group having a main signal transmission / reception function, a communication device group having a main signal transfer function, and a function for controlling and managing a communication path and a communication path for transferring the main signal Communication management apparatus, one or more terminal management apparatuses having functions for controlling and managing communication terminals, and the communication path and the terminal management apparatus in cooperation with the communication management apparatus and the terminal management apparatus in response to a client request. A signal control method for controlling the main signal in a resource management network composed of one or more resource management devices having a function of securing a communication terminal,
Based on the request of the client, before and after the communication management device and the terminal management device secure the communication path and the communication terminal,
The resource management device is
Based on the service provision request received from the client, a terminal management device group to be requested to reserve a communication terminal and a communication management device group to be requested to reserve a communication path are determined, and the determined terminal management device group A reservation request step for making a communication terminal reservation request to the determined communication management device group, and executing a reservation request step for making a communication path reservation request,
The terminal management device is
And signal information exchange step of receiving a predetermined identification information for identifying the main signal flow between the communication terminal group to be secure from the communication management apparatus,
A terminal control step for controlling a communication terminal group to be secured and transmitting the predetermined identification information to the main signal;
Run
The communication management device is
Signal control method, wherein the controlling the communication device groups based on the predetermined identification information, executes the signal control step of accommodating a main signal which the predetermined identification information to the communication channel reserved was granted. One or more units having a communication terminal group having a main signal transmission / reception function, a communication device group having a main signal transfer function, and a function for controlling and managing a communication path and a communication path for transferring the main signal Communication management apparatus, one or more terminal management apparatuses having functions for controlling and managing communication terminals, and the communication path and the terminal management apparatus in cooperation with the communication management apparatus and the terminal management apparatus in response to a client request. A resource management network system comprising one or more resource management devices having a function of securing a communication terminal,
The resource management device includes:
Based on the service provision request received from the client, a terminal management device group to be requested to reserve a communication terminal and a communication management device group to be requested to reserve a communication path are determined, and the determined terminal management device group Reservation request means for making a communication terminal reservation request to the determined communication management device group and a communication channel reservation request,
The terminal management device
And signal information exchanging means for receiving a predetermined identification information for identifying the main signal flow between the communication terminal group to be secure from the communication management apparatus,
First storage means for storing the predetermined identification information;
A terminal control means for controlling a communication terminal group to be secured and transmitting the predetermined identification information to the main signal;
Have
The communication management device
Second storage means for storing the predetermined identification information ;
Controls based-out communication device group to said predetermined identification information, and the signal control unit for receiving a main signal which the predetermined identification information to the communication path to be secured is applied,
A resource management network system comprising:

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