JP3139954B2 - Transmission control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a network for which the communication capacity can be changed, a network communication capacity change request by changing / adding the communication type of a user's communication terminal without the user's intervention. Transmission control device for notifying / detecting the transmission side.

[0002]

2. Description of the Related Art For example, there is a network such as an ATM (asynchronous transfer mode) that allows a user to change the communication capacity. In such a network, when a user wants to change / add a communication capacity by changing / adding a communication type, the communication capacity required by the user himself is checked, and the communication capacity is notified to the network side. I was

[0003]

As described above, conventionally, when the user wants to change / add the communication capacity, the user himself has to do so. For this reason, the network user must know the communication capacity of the network used by the communication type currently used and the communication capacity of the network required by the communication type to be changed / added. There was a problem that the communication capacity could not be changed efficiently. As a result, the change / addition of the communication capacity cannot effectively allocate the communication capacity of the network without the intervention of the network administrator.

[0004] From such a point, it is desired to realize a transmission control device capable of easily notifying the network side even when the communication capacity is changed / added, and enabling effective utilization of the communication capacity. I was

[0005]

The present invention employs the following structure to solve the above-mentioned problems. <Configuration of Claim 1> Transmission in which a communication capacity change process is performed on a network when a communication type is changed in a state where an arbitrary communication terminal is communicatively connected to a network whose communication capacity can be changed. A control device, a communication capacity data table indicating a communication capacity value currently used by a plurality of communication terminals, and communication type data indicating a required communication capacity value for each communication type of each communication terminal a data storage unit for storing a table, and a basic communication capacity data indicating the value of the basic transmission capacity, which is set in advance by the network, the user
When the communication type is changed from any communication terminal by the operation of , the communication capacity data
Table to calculate the current communication capacity of any terminal
Then, referring to the communication type data table, the communication capacity corresponding to the changed communication type of any terminal is calculated, and the total value of the communication capacities of all communication terminals is obtained. If the basic communication capacity was exceeded, the current communication capacity and the changed communication type for the network were supported.
Communication with which the current communication capacity has been changed by comparing with the communication capacity
If the communication capacity exceeds the type, the two communication capacities
The difference of the amount is reduced from the communication capacity of the network.
Communication capacity is changed from the communication capacity corresponding to the changed communication type.
If the difference is smaller than the
A transmission capacity change processing unit for requesting a change to be added to the communication capacity of the network .

<Description of Claim 1> The transmission control device manages the communication capacity of a plurality of communication terminals, and notifies the network side when the communication capacity is changed. In the network, the communication capacity can be changed, and data of the basic communication capacity is set as a value which is guaranteed in advance by the network side.

When an arbitrary communication terminal attempts to change / add the communication type, the communication terminal issues a change / add request to the transmission control device. The transmission control device first refers to the communication capacity data table and the communication type data table, and the communication capacity currently used by the communication terminal,
The communication capacity of the communication type to be changed / added is extracted. Next, the total value of the communication capacities of all the communication terminals after the change / addition is obtained, and if this value exceeds the basic communication capacity, an application for changing the communication capacity is made to the network. As a result, when a response is received from the network that the communication capacity can be changed, the communication terminal is notified that the communication capacity can be changed.
If the total value of the communication capacities of all the communication terminals after the change / addition is equal to or less than the basic communication capacity, the communication terminal is notified as it is that the communication capacity can be changed.

Therefore, the user of the communication terminal does not need to consider an application for changing the communication capacity to the network even when the communication type is changed / added. The transmission control device may be provided anywhere as long as the communication capacity of a plurality of communication terminals can be managed. For example, the transmission control device may be provided in a communication terminal or provided in a network.

<Structure of Claim 2> In the transmission control device according to Claim 1, in the case of a network that does not require setting of the basic communication capacity, a data storage unit for setting the value of the basic communication capacity data to 0 is provided. It is characterized by the following.

<Description of Claim 2> In a network in which the value of the basic communication capacity is not set and an arbitrary communication capacity can be set, the communication terminal can change the communication type by setting the basic communication capacity data to 0. Each time an addition occurs, the communication capacity change application is made to the network. Thereby, it is possible to cope with a network that does not need to register the basic communication capacity.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. <Configuration> FIG. 1 is a configuration diagram showing a specific example of the transmission control device of the present invention. The illustrated device includes communication terminals 100-1 to 100-100.
-N, the transmission control device 200, and the network 300, the communication terminals 100-1 to 100-n and the transmission control device 2
00 is a wiring 101-1 to 101 such as a LAN, respectively.
-N, the transmission control device 200 and the network 3
00 is connected by a communication line 201.

The communication terminals 100-1 to 100-n are terminals that perform communication via the network 300, and include communication types such as voice, still image, moving image, and data. The transmission control device 200 includes the data storage unit 1
0, a communication capacity change processing unit 20 is provided. The data storage unit 10 includes a communication capacity data table 11, a communication type data table 12, and basic communication capacity data 13.

FIGS. 2 and 3 are explanatory diagrams of the data storage unit 10, which are an explanatory diagram of the communication capacity data table 11, and an explanatory diagram of the communication type data table 12 and the basic communication capacity data 13, respectively.

As shown in FIG. 2, the communication capacity data table 11 is a table for managing the respective communication capacities currently used by the communication terminals 100-1 to 100-n. .. 100-n, and data on the communication capacities A1 -An used by the respective terminals.

Further, as shown in FIG. 3, the communication type data table 12 is a table showing a required communication capacity value for each communication type of the communication terminals 100-1 to 100-n. The communication type identifiers Y1 to Yn of the communication types that can be handled by -1 to 100-n and the data of the communication capacities B1 to Bn required for each communication type are stored. Further, the basic communication capacity data 13 stores a value of a basic communication capacity set in advance by the network (this is referred to as a basic communication capacity C). The basic communication capacity C is defined as the network 300
This is a communication capacity value that is always guaranteed for 00.

Returning to FIG. 1, the communication capacity change processing unit 20
Calculates the communication capacity corresponding to the changed / added communication type by referring to the communication type data table 12 when receiving / changing the communication type from the communication terminals 100-1 to 100-n. All communication terminals 100-1 to 100-
n has a function of requesting the network 300 to change the communication capacity when the total value exceeds the basic communication capacity C. It comprises a communication type change determination processing unit 22 and a network capacity change application unit 23.

The terminal communication type change accepting unit 21 has a function of receiving a communication type change / addition request from the communication terminals 100-1 to 100-n and transmitting a response to the change / addition request to the communication terminal. ing. The communication type change determination processing unit 22
It has a function of determining the necessity of changing the communication capacity by changing / adding the communication type, and updating the communication capacity data table 11 in the data storage unit 10 based on the result. The network capacity change application unit 23, as a result of the determination by the communication type change determination processing unit 22,
If it is necessary to change the communication capacity to
It has a function of transmitting a communication capacity change and receiving a response to this communication capacity change request for the communication capacity change request.

The network 300 is a network capable of changing the communication capacity such as an ATM, and has a function of changing the communication capacity in response to a communication capacity change notification from the transmission control device 200.

<Operation> First, each of the communication terminals 100-1 to 100-1
00-n is a pre-process for determining a communication link with the network 300, and notifies the transmission control device 200 of communication terminal identifiers X1 to Xn and communication type identifiers Y1 to Yn of the communication link to be used. . Here, an example will be described in which the communication terminal 100-1 notifies the communication terminal identifier X1 corresponding to the communication terminal 100-1 and the communication type identifier Y1 corresponding to the communication type to be changed.
Note that such communication type identifiers Y1 to Yn are:
When the user of each of the communication terminals 100-1 to 100-n directly inputs a command or selects a communication type, corresponding communication type identifiers Y1 to Yn are created. .

FIG. 4 is a flowchart of a communication capacity changing operation in the transmission control device 200. As described above,
When the communication terminal 100-1 notifies the transmission control device 200 of the communication terminal identifier X1 and the communication type identifier Y1,
The terminal communication type change receiving unit 21 receives this and notifies the communication type change determination processing unit 22. In response to this notification, the communication type change determination processing section 22 refers to the communication capacity data table 11 in the data storage section 10 to determine the current communication capacity A1 (step S1) and refers to the communication type data table 12. To determine the communication capacity B1 corresponding to the notified communication type identifier Y1 (step S5).
2). That is, the required communication capacity after the change is obtained by obtaining the communication capacity B1.

Next, in the communication type change determination processing section 22,
The current communication capacity A1 is compared with the changed communication capacity B1 (step S3). If the changed communication capacity B1 is smaller than or equal to the current communication capacity A1 (A1 ≧ B1), If the changed communication capacity B1 is greater than the current communication capacity A1 (A1 <B1), the process proceeds to step S5.

In step S4, the communication terminal 10 before the change
Sum of used capacity of 0-1 to 100-n (A1 +... + An
) Is compared with the basic communication capacity C, and (A1 +... + An)
)> C, that is, if the sum before the change exceeds the basic communication capacity C, the network capacity change application unit 23 sends the network 300 to reduce the network communication capacity by (A1 -B1). Sends a communication capacity change request to the server (step S6). In the network 300, the network capacity change requesting unit 23 responds to the network capacity change requesting unit 23 whether the communication capacity change request is notified or not. Network capacity change application part 2
In step 3, the response is received from the network 300 (step S7), and the communication type change determination processing unit 22 determines whether or not the response indicates that the communication capacity can be changed (step S8).

In step S8, if the response result indicates that the communication capacity can be changed, the communication type change determination processing section 22
Is the communication capacity A1 in the communication capacity data table 11.
Is rewritten to the value of the communication capacity B1 (step S9),
For the terminal communication type change receiving unit 21, the communication terminal 100
-1 is instructed to notify that the change can be accepted (step S10).

On the other hand, if it is determined in step S8 that the response result indicates that the communication capacity cannot be changed, the process proceeds to step S10, where the communication type change determination processing section 22 sends the communication terminal 100 -1 is instructed to notify that the change cannot be accepted.

The result of the determination in step S3 is as follows:
｛Current communication capacity A1｝ <｛Communication capacity B when changed
If 1｝, the sum of the changed communication capacities (B1 + A2 +... + An) is compared with the basic communication capacity C in step S5. Here, (B1 + A2 +... + An
)> C, then (data B1)-(data A1
), The network capacity change application unit 2 instructs the network 300 to increase the network communication capacity.
3 transmits a communication capacity change request (step S6).
In the network 300, the network capacity change requesting unit 23 responds to the network capacity change requesting unit 23 whether the communication capacity change request is notified or not. The network capacity change application unit 23 receives this response from the network 300 (step S7), and the communication type change determination processing unit 2
In 2, it is determined whether or not the response indicates that the communication capacity can be changed (step S8).

In step S8, if the response result indicates that the communication capacity can be changed, the communication type change determination processing section 22
Is the communication capacity A1 in the communication capacity data table 11.
Is rewritten to the value of the communication capacity B1 (step S9),
For the terminal communication type change receiving unit 21, the communication terminal 100
-1 is instructed to notify that the change can be accepted (step S10).

On the other hand, if it is determined in step S8 that the response result indicates that the communication capacity cannot be changed, the process proceeds to step S10, where the communication type change determination processing unit 22 sends the communication terminal 100 -1 is instructed to notify that the change cannot be accepted.

In step S4, the sum before the change (A1 +... + An) is less than or equal to the basic communication capacity C. In step S5, the sum after the change (B1 + A2 +... + An). If the communication capacity is less than or equal to the basic communication capacity C, the process directly proceeds to step S9 without notifying the network 300, and performs a process of rewriting the communication capacity A1 of the communication capacity data table 11 to the communication capacity B1. It instructs the type change receiving unit 21 to notify the communication terminal 100-1 that the change can be received (step S10).

As described above, in the above specific example, the transmission control device 200 manages the communication terminal 1 based on the communication capacity change / addition request from the communication terminals 100-1 to 100-n.
Since the increase / decrease of the sum of the communication capacities of 00-1 to 100-n is calculated and the capacity change notification is sent to the network 300 based on this value, even when the communication capacity is changed / added, the communication terminal is changed. The users 100-1 to 100-n do not need to be aware of the type of communication to be used.
Communication capacity can be used effectively.

In the above example, the transmission control device 200
Is provided independently between the communication terminals 100-1 to 100-n and the network 300, but the function is provided on the network 300 side or the communication terminals 100-1 to 100-1 to 100-n.
It is also possible to incorporate them on the 0-n side.

The network 300 that does not need to register the basic communication capacity C can be handled by setting the value of the basic communication capacity data 13 to 0. That is, in this case, every time a change in the communication capacity occurs,
The notification is sent to the network 300.

[0032]

As described above, according to the transmission control device of the first aspect, even when the communication capacity is changed / added, the user of the communication terminal does not need to be aware of this. The communication capacity can be used effectively. Also,
According to the transmission control device of the second aspect, it is possible to appropriately cope with a network that does not need to register the basic communication capacity.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a transmission control device of the present invention.

FIG. 2 is an explanatory diagram (No. 1) of a data storage unit in the transmission control device of the present invention.

FIG. 3 is an explanatory diagram (part 2) of a data storage unit in the transmission control device of the present invention.

FIG. 4 is a flowchart of a communication capacity changing operation in the transmission control device of the present invention.

[Explanation of symbols]

 Reference Signs List 10 Data storage unit 11 Communication capacity data table 12 Communication type data table 13 Basic communication capacity data 20 Communication capacity change processing unit 100-1 to 100-n Communication terminal 200 Transmission control device 300 Network

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-77985 (JP, A) JP-A-2-185135 (JP, A) JP-A-3-119845 (JP, A) JP-A-3-19785 272248 (JP, A) JP-A-5-153154 (JP, A) JP-A-2-202249 (JP, A) JP-A-6-46082 (JP, A) JP-A-6-169316 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) H04L 12/28

Claims (1)

(57) [Claims] 1. A transmission control for performing a communication capacity change process on a network whose communication type is changed when an arbitrary communication terminal is connected to the network whose communication capacity can be changed and a communication type is changed. An apparatus, comprising: a communication capacity data table indicating values of respective communication capacities currently used by a plurality of communication terminals; and communication type data indicating a required communication capacity value for each communication type of the communication terminals. A data storage unit for storing a table, basic communication capacity data indicating a value of a basic communication capacity preset by the network, and a case where a communication type is changed from the arbitrary communication terminal by a user operation , as the communication capacity change processing, the
Referring to the communication capacity data table,
Calculate the current communication capacity, refer to the communication type data table, calculate the communication capacity corresponding to the changed communication type of the arbitrary terminal, and obtain the total value of the communication capacities of all the communication terminals, If the sum exceeds the basic communication capacity, the current
Communication capacity corresponding to the changed communication type
The current communication capacity is compared with the changed
These two communications are used when the communication capacity exceeds the communication type.
The difference in capacity is reduced from the communication capacity of the network.
And the current communication capacity corresponds to the changed communication type.
If the communication capacity is smaller than the corresponding communication capacity,
A transmission capacity change processing unit for requesting a change to add a difference to the communication capacity of the network .