JP3338727B2 - Transport user management method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport user management system, and more particularly to a transport system for a central processing unit for managing transport users when a session between transport users such as application programs and terminal devices in different network systems is activated. The present invention relates to a transport user management system in a port server.

[0002]

2. Description of the Related Art Conventionally, this type of transport user management system shares the same transport user with another network system and manages session activation requests and deactivation requests from the transport users. When a transport server in one host system performs a session deactivation request during a session activation between transport users in different network systems, a host computer managing the transport user becomes an obstacle. Or the subsequent session activation request cannot be received, wait for the failure of the host computer to be managed, and then manage the transport user again to deactivate the session or force the session And deactivate the host Performed changes Yuta adapted to activate the session.

[0003]

In the conventional transport user management system described above, a session activation request and a deactivation request from a transport user cannot be received while waiting for a failure recovery. Computer changes have the disadvantage that the session is forcibly deactivated.

[0004]

According to the transport user management system of the present invention, a central processing unit which manages a transport user when a session is activated between transport users such as application programs and terminal devices in different network systems. In the transport user management system of the transport server provided in the network server, address information for each transport user of the own network system, session information, and another transport of the other network system during session activation with the transport user. Own network / other transport user management table set in the initial state of the network system to register user information, address information for each other transport user of the other network system, The other network and other transport user management tables for registering the transport information and the transport user of the own network system during session activation with the transport user, and the transport user information for each network address. An address management table for registering a network / other transport user management table or another network / other transport user management table; and a session management table for registering transport information for each session between the own transport user and the other transport user. Generating the session management table by activating a session between the own transport user and another transport user and registering the transport user information, A session management means for registering session information in the transport user management table and the other network other transport user management table, and outputting a processing instruction corresponding to a management state of the other transport user of the own network system and the other network system; Upon receiving an instruction from the transport user management means and the transport user of the other network system to activate the session from the transport user management means and the own transport user, the user corresponding to the set transport user is set. Registration of other network / other transport user information in the network / other transport user management table, setting of the other network / other transport user management table, and setting of the own network / other transport user. Address management table registration means for registering user information and registering the other transport user information by setting the address management table; and a transport user of another network system from the transport user of another network system. Upon receiving an instruction due to a failure of the transport server managing the session during the session activation to the user, the other transport user of the address management table is obtained from the other network other transport user information of the other network other transport user management table. Information, changes the session information in the own network / other transport user management table, releases the session information from the other network / other transport user management table, Address management table changing means for changing the other transport user information of the network from other network other transport user information to the own network other transport user information, and starting the other transport user management of the own network from the other transport user managing means Address management table for releasing the other network and other transport user information from the other network and other transport user management table, and releasing the other network and other transport user information from the own network and other transport user management table And release means.

[0005]

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a configuration diagram of an embodiment of the present invention.
The transport server (hereinafter referred to as TS) 10 in the embodiment of FIG. 1 includes another transport user management unit 11, a session management unit 12, and an address management table operation unit 1.
3 and an information management table group 14. The address management table operating unit 13 includes an address management table registration unit 131, an address management table release unit 132, and an address management table change unit 133. Address management table (hereinafter AMT) 141, own network transport user management table (hereinafter STT) 142, other network other transport user management table (hereinafter CTT) 143, and session management table (hereinafter SM)
(Referred to as T) 144.

The AMT 141 is a table for registering a pointer to the STT 142 or the CTT 143 as transport user (hereinafter referred to as TU) information for each network address. The STT 142 is a table for registering address information for each TU of the own network system, a pointer to the SMT 144 as session information, and a pointer to the CTT 143 of another TU as information of another TU that has activated the session. The CTT 143 registers address information for each transport user of another network system, a pointer to the SMT 144 as session information, and a pointer to the STT 142 of the own TU as information of the TU that has activated the session with the TU. It is a table. The SMT 144 is a table for registering other TU information for each session between the own TU and another TU of another network system. The session management means 12 generates an SMT 144 based on the state of the session between the own TU and another TU, registers other TU information, and
142 as session information to CTT 143
This is a means for registering a pointer to T144. The other transport user management means 11 is a means for requesting a table operation to the address management table operation means 13 based on management information of the own network system and other TUs of another network system. When the pointer to the STT 142 is registered in the AMT 141, the address management table registration unit 131 registers the own network and other TU information in the STT 142, that is, the pointer to the CTT 143,
Further, it is means for registering a pointer to the CTT 143 in the AMT 141. The address management table release unit 132 releases the own network / other TU information from the CTT 143, that is, deletes the pointer to the STT 142, and further deletes the STT 1
Release of other network and other TU information from 42, ie, CTT
Delete the pointer to 143, and AMT
When the pointer to the CTT 143 is registered in the 141, this is a means for deleting the pointer from the AMT 141 to the STT 142. Address management table change unit 133
Changes the other TU information of the AMT 141 by the pointer to the STT 142 registered in the CTT 143,
2, the session information, that is, the pointer to the SMT 144 is registered, the pointer from the CTT 143 to the SMT is deleted, and the other TU information of the SMT 144 is changed from the other network other TU information to the own network other network information, that is, the pointer to the CTT 143. This is a means for changing from the pointer to the pointer to the STT 142.

Next, the operation of the above-described TS 10 will be described with reference to a specific example of a network system. FIG. 2A shows a case where the own TU 220 of the own network system and another TU 320 which manages a session activation request / deactivation request in another TS 310 of another network system. When the session with the own TU 320 is in the inactive state, the table state of the own TS 210 is set to the initial state and the STT 142 is set to the other TU information as AMT 141.
Is registered, only the address information is set in the STT 142, and no information is set in the CTT 143. FIG. 2B shows the own TS 21 at this time.
It is a figure showing a state of 0.

Therefore, when requesting activation of a session from another TU 320 to another TS 310, the other TU 310
Notifying S210 of the activation of the session with the own TU 220, the own TS 210 activates the session with the other TU 230 to the own TS 220. At this time, the own TS 210 requests the address management table registration unit 131 to register the CTT 143 via the other transport user management unit 11. The address management table registration unit 131 stores the CTT 143
Is generated and the STT 142 is registered in the AMT 141.
A pointer to the CTT 143 is registered as information, and the CTT is registered.
STT142 as its own network and other TU information at 143
Is registered, and the CTT 143 is further registered in the AMT 141.
Register a pointer to. Session management means 12
Generates SMT 144 and uses CTT 14 as other TU information.
3 and a pointer to the SMT 144 is registered in the CTT 143 as session information. FIG.
FIG. 3A shows the state between the transport users at this time, and FIG. 3B shows the state of the own TS 210 at this time.

Here, when a failure occurs in the other host system 300 of the other network system and the other TS 310 cannot manage the session activation request / deactivation request, the own TS 210 establishes a session with the own TU of the own network. The management of other TUs during activation is started. That is, own TS
The other transport user management means 210 issues a table change request to the address management table change unit 133 based on a change in the TU of the own network system and the management state of the other TU of the other network system during session activation. The address management table change unit 133 sets CTT1
From the own network other TU information pointed to by the pointer to the STT 142 of 43, the CMT as the other TU information of the AMT 141 is obtained.
Change TT143 registration to STT142 registration, ST
Registration of session information in T142, that is, SMT 144
, The session information is released from the CTT 143, that is, the pointer to the SMT 144 is deleted, and the other TU information of the SMT 144 is transferred to the other network TU.
The pointer to the CTT 143 indicating the information is changed to the pointer to the STT 142 indicating the TU information of the own network. FIG. 4B shows the state of the table of the own TS 210 after the above operation.

When the process of starting the management of the own network and other TUs is completed, the other transport user management means 1
1 requests the address management table release unit 132 to release the table. The address management table release unit 132
Delete the pointer from TT143 to STT142,
The pointer from TT142 to CTT143 is deleted.
FIG. 4A shows the state between the transport users at this time, and FIG. 3C shows the state of the own TS 210 at this time. As a result of this operation, it is possible to change the management of the activation request / deactivation request of the other TU to the own TS without affecting the session between the own TU and the other TU.

[0012]

As described above, the present invention treats a session between transport users across a network system by a transport server as a session in a single network system, thereby activating a session from another transport user. There is an effect that the transport server that manages the activation request / inactivation request can be changed without affecting the session.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

FIG. 2 is a diagram showing a specific example of a network system and a state of a transport server for explaining the embodiment of FIG. 1;

FIG. 3 is a diagram showing a state of the network system and the transport server shown in FIG. 2 when a session is activated.

FIG. 4 is a diagram showing a state of the network system and the transport server shown in FIG. 2 when the transport server is changed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Transport server 11 Other transport user management means 12 Session management means 13 Address management table operation means 14 Information management table group 131 Address management table registration unit 132 Address management table release unit 133 Address management table change unit 141 Address management table (AMT) 142 own network / other transport user management table (STT) 143 other network / other transport user management table (CTT) 144 session management table (SMT)

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) G06F 13/00 G06F 15/00 H04L 12/00

Claims (1)

(57) [Claims] 1. A transport user management system of a transport server provided in a central processing unit for managing transport users when a session is activated between transport users such as application programs and terminal devices in different network systems. The initial state of the network system for registering address information for each transport user of the own network system, session information, and information of the transport user and other transport users of the other network system during session activation. Local network other transport user management table set in the above, address information for each other transport user of the other network system, session information, and the transport user and session activation Other network other transport user management table for registering the transport user information of the own network system therein, and the own network other transport user management table or other network other transport as transport user information for each network address. An address management table for registering a port user management table; a session management table for registering transport information for each session between the own transport user and another transport user; The session management table is generated by activating a session to register the transport user information, and the own network / other transport user management table and other networks / others are registered. A session management means for registering session information in the transport user management table, another transport user management means for outputting a processing instruction corresponding to a management state of another transport user of the own network system and another network system, Upon receiving an instruction from the transport user management means from the transport user of the other network system to the own transport user by activating the session, the other is added to the own network / other transport user management table corresponding to the set own transport user. Registration of network and other transport user information, registration of the other network and other transport user information by setting the other network and other transport user management table, and setting of the address management table. An address management table registration unit for registering other transport user information, and the other transport user management unit for managing a session during activation of a session from a transport user of another network system to the own transport user. Upon receiving an instruction due to the failure of the transport server, the other transport user information of the address management table is changed from the own network other transport user information of the other network other transport user management table, and the own network other transport user is changed. Registration of session information in the management table, release of session information from the other network / other transport user management table, and transfer of other transport user information of the session management table to other network / other traffic. Address management table changing means for changing from the transport user information to the own network other transport user information; and receiving an instruction from the other transport user managing means to start another transport user management of the own network, A transformer having an address management table releasing means for releasing own network and other transport user information from the port user management table and releasing other network and other transport user information from the own network and other transport user management table. Port user management method.