JP5041055B2 - Cooperation method, relay device, and bandwidth securing management device - Google Patents

Description

  The present invention relates to a cooperation method, a relay device, and a bandwidth securing management device that associate a communication management device, a bandwidth securing management device, a relay device, and a wireless terminal.

  In VoIP (Voice Over IP) communication in a wireless LAN environment, voice data is communicated between the relay device and the wireless terminal at regular intervals. At this time, if another wireless terminal starts transmitting a large amount of data, there is a possibility that the audio data will be delayed. For this reason, there is a need to prioritize specific communication such as voice data when a plurality of communications are performed.

  As described above, for example, the following method exists as a method for performing control (hereinafter referred to as priority control) for preferentially transmitting and receiving communication packets in a wireless LAN.

  In the communication system described in Patent Document 1, the identification information of a wireless terminal is recorded, and the SIP server records the call state of the wireless terminal and limits the number of calls at the same access point, thereby limiting the bandwidth of the voice packet. Is secured.

  Further, in the communication system described in Patent Document 2, priority control is performed using a bandwidth securing management device called an access point manager. This communication system is described in FIG. The communication system of FIG. 1 includes a SIP (Session Initiation Protocol) server 1, an access point manager 3, access points 5a and 5b, and wireless terminals 7a and 7b. The SIP server 1 controls VoIP (Voice over Internet Protocol) communication based on the SIP protocol. The access point manager 3 accepts terminal registration of wireless terminals from the access point. Further, the access point manager 3 requests the access point for a bandwidth securing request from the SIP server 1. The access points 5a and 5b preferentially handle voice packets for VoIP communication based on a bandwidth securing request from the access point manager.

  In this communication system, when the wireless terminal 7a performs VoIP communication with the wireless terminal 7b based on the SIP protocol, communication is performed in the following procedure. When the wireless terminal 7a makes a connection request to the SIP server via the access point 5a (S1), the SIP server 1 requests the access point manager 3 to secure a bandwidth (S3). The access point manager 3 transmits the bandwidth securing request to the source and destination access points 5a and 5b (S5), and the access points 5a and 5b secure the bandwidth. As a result, VoIP communication from the wireless terminal 7a to the wireless terminal 7b becomes possible.

  In this communication system, the following phenomenon occurs when there are a plurality of SIP servers as shown in FIG. It is assumed that the SIP server 1a, the access point manager 3a, and the access point 5a are associated with each other, and the SIP server 1b, the access point manager 3b, and the access point 5b are associated with each other. When the wireless terminal 7a is within the reception range of the access point 5a, VoIP communication with priority control can be performed with the wireless terminal 7b by the above procedure. However, even if the wireless terminal 7a moves into the reception range of the access point 5b, the wireless terminal 7a transmits a SIP signal to the SIP server 1a. This is because the subscriber data of the wireless terminal 7a is registered in the SIP server 1a, and the wireless terminal 7a transmits a SIP signal only to the registered SIP server 1a. Therefore, the SIP server 1a requests the access point manager 3a to secure the bandwidth, and the access point manager 3a does not manage the access point 5b, so the bandwidth securing request fails.

JP 2005-229591 A JP 2005-80157 A

  As described above, since the wireless terminal recognizes the SIP server that transmits the SIP signal, if the wireless terminal moves and accesses the SIP server before the movement, the bandwidth securing request fails. . As a result, priority control is not performed.

  The present invention has been made in view of the above-described problems of the prior art, and has an object of causing priority control to function even when a wireless terminal moves in a network including a plurality of communication management devices (SIP servers). To do.

The above object of the present invention is to
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the input communication management device identifier and bandwidth reservation management device identifier to the relay device;
A step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Can be solved by a cooperation method having

Furthermore, the object of the present invention is to
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
When the relay device receives the terminal registration, a bandwidth reservation management device identifier is derived from the communication management device identifier, and the first terminal registration of the wireless terminal is identified by the bandwidth reservation management device identifier Transmitting to the secure management device;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
It can be solved also by the cooperation method which has.

Furthermore, the object of the present invention is to
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
A bandwidth securing management device transmitting step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the inputted bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
It can be solved also by the cooperation method which has.

  The above-mentioned object of the present invention can also be solved by a relay device and a communication management device corresponding to these cooperation methods.

  According to the embodiment of the present invention, priority control can be made to function even when a wireless terminal moves in a network including a plurality of communication management devices (SIP servers).

Overall view of a communication system providing VoIP communication The figure which shows the connection relation when a radio | wireless terminal moves in the communication system of FIG. 1 is an overall view of a communication system according to a first embodiment of the present invention. The flowchart which shows the process sequence of the communication system of 1st Embodiment of this invention. Overall view of communication system of second embodiment of the present invention The flowchart which shows the process sequence of the communication system of 2nd Embodiment of this invention. Overall view of communication system of third embodiment of the present invention The flowchart which shows the process sequence of the communication system of 3rd Embodiment of this invention. Overall view of communication system of fourth embodiment of the present invention The flowchart which shows the process sequence of the communication system of 4th Embodiment of this invention. Overall view of communication system of fifth embodiment of the present invention The flowchart which shows the process sequence of the communication system of 6th Embodiment of this invention.

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

<First Embodiment>
A first embodiment of the present invention will be described with reference to FIGS. In the first embodiment, a method in which the SIP server, the access point manager, the access point, and the wireless terminal are associated with each other even in the environment as shown in FIG. Such association is performed by terminal registration when the wireless terminal establishes a wireless connection with the access point. Specifically, the address of the access point manager (hereinafter referred to as APM (access point manager) address) is stored in advance in the SIP server, and the SIP server notifies the access point of the APM address when the terminal of the wireless terminal is registered.

  FIG. 3 is an overall view of the communication system according to the first embodiment of this invention. This communication system includes a wireless terminal 11, an access point 13, an access point manager 15, and a SIP server 17.

  The wireless terminal 11 includes a terminal registration transmission unit 111 that requests terminal registration of the wireless terminal.

  The access point 13 includes a first terminal registration transmission / reception unit 131 that requests terminal registration from the SIP server 17 when terminal registration is received from the wireless terminal 11, and an access point manager 15 when the APM address is received from the SIP server 17. And a second terminal registration transmission / reception means 133 for requesting terminal registration.

  The access point manager 15 has association storage means 151 that stores the wireless terminal 11 and the access point 13 in association with each other when receiving terminal registration from the access point 13.

  The SIP server 17 includes terminal registration receiving means 171 for receiving terminal registration from the access point 13 and APM address notifying means 173 for notifying a previously stored APM address when receiving terminal registration from the access point 13. .

  FIG. 4 shows a flowchart showing a processing procedure in such a communication system.

  When the wireless terminal is wirelessly connected to the access point (S101), the wireless terminal requests terminal registration from the access point (S103). This terminal registration includes the address of the SIP server. The access point transmits terminal registration to the designated SIP server (S105). Since the SIP server stores the APM address in advance, the SIP server returns the APM address to the access point after terminal registration (S107). The access point requests terminal registration for the received APM address (S109). Since the access point manager knows the association between the wireless terminal and the access point, the access point manager stores this association and returns OK to the access point as a response to the terminal registration request (S109) (S111). The access point returns OK to the wireless terminal as a response to the terminal registration request (S101) (S113).

  As described above, according to the first embodiment, since the APM address is notified from the SIP server to the access point at the time of terminal registration, the access point can specify the access point manager, and each association can be realized. . Therefore, even when the wireless terminal moves, terminal registration is performed at the movement destination and the above association can be realized, so that priority control of VoIP communication can be functioned.

Second Embodiment
A second embodiment of the present invention will be described with reference to FIGS. In the second embodiment, a method in which the SIP server, the access point manager, the access point, and the wireless terminal are associated with each other even in the environment as shown in FIG. Such association is performed by terminal registration when the wireless terminal establishes a wireless connection with the access point. Specifically, the address of the access point manager (hereinafter referred to as APM address) is stored in advance in the wireless terminal, and the wireless terminal notifies the access point of the APM address when the wireless terminal is registered.

  FIG. 5 is an overall view of a communication system according to the second embodiment of this invention. This communication system includes a wireless terminal 21, an access point 23, an access point manager 25, and a SIP server 27.

  The wireless terminal 21 includes a terminal registration transmission unit 211 that adds a previously stored APM address and requests terminal registration of the wireless terminal.

  The access point 23 includes first terminal registration transmission / reception means 231 that requests terminal registration from the access point manager 25 when terminal registration is received from the wireless terminal 21.

  The access point manager 25 receives second terminal registration transmission / reception means 251 that requests terminal registration from the SIP server 27 when receiving terminal registration from the access point 23, and the wireless terminal 21 when receiving terminal registration from the access point 23. And an association storage means 253 for associating and storing the access point 23 with each other.

  The SIP server 27 includes a terminal registration receiving unit 271 that receives a terminal registration from the access point manager 25, and an association storage unit that stores the wireless terminal 21 and the access point manager 25 in association with each other when the terminal registration is received from the access point 25. 273.

  FIG. 6 is a flowchart showing a processing procedure in such a communication system.

  When the wireless terminal is wirelessly connected to the access point (S201), the wireless terminal adds a previously stored APM address and requests the access point to register the terminal (S203). This terminal registration includes the address of the SIP server. The access point transmits terminal registration to the designated access point manager (S205). Since the access point manager knows the association between the wireless terminal and the access point when receiving the terminal registration, it stores this association and requests the SIP server to register the terminal (S207). Since the association between the wireless terminal and the access point manager is known when the SIP server receives the terminal registration, this association is stored, and OK is returned to the access point manager as a response to the terminal registration request (S207) (S209). . The access point manager returns OK to the access point as a response to the terminal registration request (S205) (S211). Next, the access point may request terminal registration from the SIP server (S213), and in response, the SIP server may return OK to the access point (S2159. When all terminal registrations are completed, The access point returns OK to the wireless terminal as a response to the terminal registration request (S201) (S217).

  As described above, according to the second embodiment, since the APM address is notified from the wireless terminal to the access point at the time of terminal registration, the access point can specify the access point manager, and each association can be realized. . Therefore, even when the wireless terminal moves, terminal registration is performed at the movement destination and the above association can be realized, so that priority control of VoIP communication can be functioned.

<Third Embodiment>
A third embodiment of the present invention will be described with reference to FIGS. In the third embodiment, a method in which the SIP server, the access point manager, the access point, and the wireless terminal are associated with each other even in the environment as shown in FIG. Such association is performed by terminal registration when the wireless terminal establishes a wireless connection with the access point. Specifically, a correspondence relationship between the access point manager and the SIP server is stored in the access point in advance, and the access point derives an address of the access point manager (hereinafter referred to as an APM address) when the wireless terminal is registered.

  FIG. 7 is an overall view of a communication system according to the third embodiment of this invention. This communication system includes a wireless terminal 31, an access point 33, an access point manager 35, and a SIP server 37.

  The wireless terminal 31 includes terminal registration transmission means 311 that requests terminal registration of the wireless terminal.

  The access point 33 has APM address deriving means 333 for deriving the APM address from the correspondence relationship between the access point manager stored in advance and the SIP server when the terminal registration is received from the wireless terminal 31. In addition, the access point 33 includes first terminal registration transmission / reception means 331 that requests terminal registration for the derived APM address when receiving terminal registration from the wireless terminal 31.

  The APM address deriving means may derive the APM address by referring to a table in which the SIP server and the access point manager are associated with each other, and derives the APM address from the calculation formula (APM address = SIP server address + α). Also good. For example, when the access point is arranged in a one-to-one relationship with the SIP server, the APM address is likely to be obtained by adding (or subtracting) 1 to the address of the SIP server. Then, an APM address can be derived using a calculation formula.

  The access point manager 35 receives second terminal registration transmission / reception means 351 that requests terminal registration from the SIP server 37 when receiving terminal registration from the access point 33, and the wireless terminal 31 when receiving terminal registration from the access point 33. And an association storage means 353 for associating and storing the access point 33 with each other.

  The SIP server 37 includes terminal registration receiving means 371 for receiving terminal registration from the access point manager 35, and association storage means for storing the wireless terminal 31 and the access point manager 35 in association with each other when receiving terminal registration from the access point 35. 373.

  FIG. 8 is a flowchart showing a processing procedure in such a communication system.

  When the wireless terminal is wirelessly connected to the access point (S301), the wireless terminal requests terminal registration from the access point (S303). This terminal registration includes the address of the SIP server. Since the access point knows the address of the SIP server, an APM address is derived from the correspondence between the access point stored in advance and the SIP server, and terminal registration is transmitted to the derived APM address (S305). Thereafter, the processing continues in the same manner as in the second embodiment (after S207).

  Thus, according to the third embodiment, an access point can derive an APM address at the time of terminal registration, and each association can be realized. Therefore, even when the wireless terminal moves, terminal registration is performed at the movement destination and the above association can be realized, so that priority control of VoIP communication can be functioned.

<Fourth embodiment>
A fourth embodiment of the present invention will be described with reference to FIGS. In the fourth embodiment, a method in which the SIP server, the access point manager, the access point, and the wireless terminal are associated with each other even in the environment as shown in FIG. Such association is performed by terminal registration when the wireless terminal establishes a wireless connection with the access point. Specifically, the address of the access point manager (hereinafter referred to as APM address) is stored in advance in the access point, and the access point identifies the access point manager when registering the terminal of the wireless terminal.

  FIG. 9 is an overall view of a communication system according to the fourth embodiment of this invention. This communication system includes a wireless terminal 41, an access point 43, an access point manager 45, and a SIP server 47.

  The wireless terminal 41 includes terminal registration transmission means 411 that requests terminal registration of the wireless terminal.

  The access point 43 includes first terminal registration transmission / reception means 431 that requests terminal registration for a previously stored APM address when receiving terminal registration from the wireless terminal 41.

  The access point manager 45 receives the terminal registration from the access point 43, the second terminal registration transmission / reception means 451 requesting the SIP server 47 to register the terminal, and the wireless terminal 41 when the terminal registration is received from the access point 43. And an association storage unit 453 for associating and storing the access point 43 with each other.

  The SIP server 47 includes terminal registration receiving means 471 for receiving terminal registration from the access point manager 45, and association storage means for storing the wireless terminal 41 and the access point manager 45 in association with each other when receiving terminal registration from the access point 45. 473.

  A flowchart showing the processing procedure in such a communication system is shown in FIG.

  When the wireless terminal is wirelessly connected to the access point (S401), the wireless terminal requests terminal registration from the access point (S403). This terminal registration includes the address of the SIP server. The access point transmits terminal registration including the address of the SIP server to the APM address stored in advance (S405). Thereafter, the processing continues in the same manner as in the second embodiment (after S207).

  Thus, according to the fourth embodiment, since terminal registration can be requested for an APM address in which an access point is stored in advance at the time of terminal registration, each association can be realized. Therefore, even when the wireless terminal moves, terminal registration is performed at the movement destination and the above association can be realized, so that priority control of VoIP communication can be functioned.

<Fifth Embodiment>
A fifth embodiment of the present invention will be described with reference to FIGS. In the fourth embodiment, an access point manager address (hereinafter referred to as an APM address) is stored in advance. In the fifth embodiment, when a plurality of APM addresses are stored in advance, the failure state of the APM address is determined. And consider registering the terminal.

  FIG. 11 is an overall view of a communication system according to the fifth embodiment of this invention. This communication system includes a wireless terminal 51, an access point 53, an access point manager 55, and a SIP server 57.

  Other than the APM failure determination means 533 of the access point 53 is the same as FIG. The access point 53 stores the failure data of the access point manager in association with the APM address. As a means for the access point to retain such failure data, the fact that there is no response to any request to the access point manager may be used, notification by other monitoring devices may be used, The input by may be used. When receiving the terminal registration from the wireless terminal 51, the APM failure determination means 533 checks the association between the APM address and the failure data of the access point manager, and determines whether or not the access point manager 55 has failed. .

  The APM address held by the access point 53 may be a duplicated access point manager address or any other APM address. Further, a method called round robin may be used as a method for selecting an access point in which the access point has not failed.

  FIG. 12 is a flowchart showing a processing procedure in such a communication system.

  When the wireless terminal is wirelessly connected to the access point (S501), the wireless terminal requests terminal registration from the access point (S503). This terminal registration includes the address of the SIP server. The access point discriminates an access point manager that is not out of the plurality of APM addresses stored in advance and transmits terminal registration including the address of the SIP server (S505). Thereafter, the processing continues as in the fourth embodiment (S407 and later).

  Thus, according to the fifth embodiment, since terminal registration can be requested from an access point manager that has not failed at the time of terminal registration, each association can be realized. Therefore, even when the wireless terminal moves, terminal registration is performed at the movement destination and the above association can be realized, so that priority control of VoIP communication can be functioned.

The SIP server corresponds to the communication management device described in the claims, the access point manager corresponds to the bandwidth securing management device described in the claims, and the access point corresponds to the relay device described in the claims.
(Appendix 1)
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
Transmitting the first terminal registration of the wireless terminal to the communication management device specified by the communication management device identifier when the relay device receives the terminal registration;
When the communication management device receives the first terminal registration, transmits the input bandwidth reservation management device identifier to the relay device;
When the relay device receives the bandwidth reservation management device identifier, transmitting the second terminal registration of the wireless terminal to the bandwidth reservation management device specified by the bandwidth reservation management device identifier; and the bandwidth reservation A management device storing the association between the wireless terminal and the relay device when receiving the second terminal registration;
Coordination method having
(Appendix 2)
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the input communication management device identifier and bandwidth reservation management device identifier to the relay device;
A step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having
(Appendix 3)
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
When the relay device receives the terminal registration, a bandwidth reservation management device identifier is derived from the communication management device identifier, and the first terminal registration of the wireless terminal is identified by the bandwidth reservation management device identifier Transmitting to the secure management device;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having
(Appendix 4)
A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
A bandwidth securing management device transmitting step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the inputted bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having
(Appendix 5)
In the bandwidth securing management device transmission step, the relay device determines whether or not the bandwidth securing management device specified by the input bandwidth securing management device identifier has failed, and registers the first terminal of the wireless terminal Is transmitted to a bandwidth securing management device that is not out of order.
(Appendix 6)
A communication management device that establishes communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a wireless terminal, A relay device that secures bandwidth between wireless terminals in response to a bandwidth securing request from a bandwidth securing management device:
When receiving a terminal registration including a communication management device identifier from a wireless terminal, a first terminal registration that transmits the first terminal registration of the wireless terminal to the communication management device specified by the communication management device identifier And a second terminal registration of the wireless terminal is transmitted to the bandwidth securing management device specified by the bandwidth securing management device identifier when receiving the bandwidth securing management device identifier from the communication management device. Second terminal registration transmission / reception means;
A relay device.
(Appendix 7)
A bandwidth securing management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth securing request from a communication management device, and a relay that secures bandwidth between wireless terminals in response to a bandwidth securing request from the bandwidth securing management device A communication management device that is connected to a device and establishes a communication connection between wireless terminals:
A terminal registration receiving unit for receiving a terminal registration of a wireless terminal from the band securing management device; and a band securing management device identifier notifying unit for transmitting the input bandwidth securing management device identifier to the relay device when the terminal registration is received. ;
A communication management device.
(Appendix 8)
A communication management device that establishes communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a wireless terminal, A relay device that secures bandwidth between wireless terminals in response to a bandwidth securing request from a bandwidth securing management device:
When a terminal registration including a communication management device identifier and a bandwidth reservation management device identifier is received from a wireless terminal, the first terminal of the wireless terminal with respect to the bandwidth reservation management device specified by the bandwidth reservation management device identifier First terminal registration transmission / reception means for transmitting registration;
A relay device.
(Appendix 9)
Connected to a communication management device that establishes a communication connection between wireless terminals and a relay device that secures a bandwidth between wireless terminals in response to a bandwidth reservation request from the bandwidth reservation management device. In response, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device:
An association storage means for storing a relationship between the wireless terminal and the relay device when receiving a terminal registration of the wireless terminal including the communication management device identifier from the relay device; and a wireless terminal including the communication management device identifier from the relay device; Second terminal registration transmission / reception means for transmitting the second terminal registration of the wireless terminal to the communication management device specified by the communication management device identifier when receiving the terminal registration;
A bandwidth securing management device comprising:
(Appendix 10)
A bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from a communication management device, and a wireless terminal that is connected to the wireless terminal and that responds to a bandwidth reservation request from the bandwidth reservation management device A relay device that secures the bandwidth between:
Bandwidth securing management device identifier deriving means for deriving a bandwidth securing management device identifier from the communication management device identifier when receiving terminal registration including the communication management device identifier from the wireless terminal;
First terminal registration transmission / reception means for transmitting a first terminal registration of the wireless terminal to the band reservation management apparatus specified by the band reservation management apparatus identifier;
A relay device.
(Appendix 11)
A bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from a communication management device, and a wireless terminal that is connected to the wireless terminal and that responds to a bandwidth reservation request from the bandwidth reservation management device A relay device that secures the bandwidth between:
When receiving a terminal registration including a communication management device identifier from a wireless terminal, a first terminal registration of the wireless terminal is transmitted to the bandwidth reservation management device specified by the input bandwidth reservation management device identifier. 1 terminal registration transmission / reception means;
A relay device.
(Appendix 12)
Bandwidth management device failure determination means for determining whether or not the bandwidth reservation management device specified by the input bandwidth reservation management device identifier has failed,
12. The relay apparatus according to appendix 11, wherein the first terminal registration transmission / reception means transmits the first terminal registration of the wireless terminal to a band securing management apparatus that has not failed.

DESCRIPTION OF SYMBOLS 11 Wireless terminal 13 Access point 15 Access point manager 17 SIP server 111 Terminal registration transmission means 131 1st terminal registration transmission / reception means 133 2nd terminal registration transmission / reception means 151 Association storage means 171 Terminal registration reception means 173 APM address notification means 21 Wireless Terminal 23 access point 25 access point manager 27 SIP server 211 terminal registration transmission means 231 first terminal registration transmission / reception means 251 second terminal registration transmission / reception means 253 association storage means 271 terminal registration reception means 273 association storage means 31 wireless terminal 33 access Point 35 Access point manager 37 SIP server 311 Terminal registration transmission means 331 First terminal registration transmission / reception means 333 APM address deriving means 351 Second end Terminal registration transmission / reception means 353 Association storage means 371 Terminal registration reception means 373 Association storage means 41 Wireless terminal 43 Access point 45 Access point manager 47 SIP server 411 Terminal registration transmission means 431 First terminal registration transmission / reception means 451 Second terminal registration transmission / reception Means 453 Association storage means 471 Terminal registration reception means 473 Association storage means 51 Wireless terminal 53 Access point 55 Access point manager 57 SIP server 511 Terminal registration transmission means 531 First terminal registration transmission / reception means 533 APM failure determination means 551 Second terminal Registration transmission / reception means 553 Association storage means 571 Terminal registration reception means 573 Association storage means

Claims (7)

A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. A step in which the wireless terminal transmits a terminal registration including the input communication management device identifier and bandwidth reservation management device identifier to the relay device;
A step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device, and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
When the relay device receives the terminal registration, a bandwidth reservation management device identifier is derived from the communication management device identifier, and the first terminal registration of the wireless terminal is identified by the bandwidth reservation management device identifier Transmitting to the secure management device;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having A communication management device that establishes a communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a bandwidth from the bandwidth reservation management device This is a linkage method for associating the communication management device, the bandwidth reservation management device, the relay device, and the wireless terminal in a network including a relay device that secures a bandwidth between wireless terminals in response to a reservation request and the wireless terminal. :
The wireless terminal transmitting a terminal registration including the inputted communication management device identifier to the relay device;
A bandwidth securing management device transmitting step of transmitting the first terminal registration of the wireless terminal to the bandwidth securing management device specified by the inputted bandwidth securing management device identifier when the relay device receives the terminal registration;
When the bandwidth reservation management device receives the first terminal registration, the association between the wireless terminal and the relay device is stored, and the second terminal registration of the wireless terminal is specified by the communication management device identifier Transmitting to the communication management device to be performed; and storing the association between the wireless terminal and the bandwidth securing management device when the communication management device receives the second terminal registration;
Coordination method having   In the bandwidth securing management device transmission step, the relay device determines whether or not the bandwidth securing management device specified by the input bandwidth securing management device identifier has failed, and registers the first terminal of the wireless terminal The link method according to claim 3, further comprising: transmitting to a bandwidth securing management device that has not failed. A communication management device that establishes communication connection between wireless terminals, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from the communication management device, and a wireless terminal, A relay device that secures bandwidth between wireless terminals in response to a bandwidth securing request from a bandwidth securing management device:
When a terminal registration including a communication management device identifier and a bandwidth reservation management device identifier is received from a wireless terminal, the first terminal of the wireless terminal with respect to the bandwidth reservation management device specified by the bandwidth reservation management device identifier First terminal registration transmission / reception means for transmitting registration;
A relay device. Connected to a communication management device that establishes a communication connection between wireless terminals and a relay device that secures a bandwidth between wireless terminals in response to a bandwidth reservation request from the bandwidth reservation management device. In response, a bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device:
An association storage means for storing a relationship between the wireless terminal and the relay device when receiving a terminal registration of the wireless terminal including the communication management device identifier from the relay device; and a wireless terminal including the communication management device identifier from the relay device; Second terminal registration transmission / reception means for transmitting the second terminal registration of the wireless terminal to the communication management device specified by the communication management device identifier when receiving the terminal registration;
A bandwidth securing management device comprising: A bandwidth reservation management device that transmits bandwidth reservation between wireless terminals to a relay device in response to a bandwidth reservation request from a communication management device, and a wireless terminal connected to the wireless terminal and in response to a bandwidth reservation request from the bandwidth reservation management device A relay device that secures the bandwidth between:
When receiving a terminal registration including a communication management device identifier from a wireless terminal, a first terminal registration of the wireless terminal is transmitted to the bandwidth reservation management device specified by the input bandwidth reservation management device identifier. 1 terminal registration transmission / reception means;
A relay device.

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