JP2009105949A5

JP2009105949A5 -

Info

Publication number: JP2009105949A5
Application number: JP2009013129A
Authority: JP
Filing date: 2009-01-23
Publication date: 2010-09-16

Claims

A terminal that can be carried out QoS control,
A monitoring module that collects information related to the QoS of the terminal and monitors whether the QoS statistic exceeds a predetermined threshold ;
Reported City information relating to the collected QoS to a central server, and a communication module that receives an instruction to execute the QoS from the central server,
Based on the execution instruction for the QoS of the communication module receives, and an execution module for controlling the operation of the terminal,
When the monitoring module detects a threshold violation exceeding the threshold, the execution module performs traffic control for correcting the threshold violation .

The terminal according to claim 1, wherein the monitoring module collects information on the QoS for each service session .

The execution module compares the value indicated by the QoS execution instruction received from the central server with the current value measured by the monitoring module, and corrects the setting value as necessary to correct the setting of the terminal. terminal according to claim 1 for controlling the operation.

The execution module is
Means for classifying packets into different priorities in the terminal;
Means for managing packet discard in the terminal when resource allocation allocated to the terminal is exhausted;
Means for reducing congestion at the terminal by lowering the transmission rate;
Means that suppresses congestion at the terminal by delaying packet transmission when sufficient resources are not allocated to the terminal;
Means to terminate the session and stop sending packets;
Means to reduce output packets by limiting the total number of sessions currently running;
Means to reduce ingress traffic by limiting the total number of sessions to egress,
By making a request to reduce the input traffic, the terminal according to claim 1 having at least one or more of the means for reducing the input traffic.

The communication module embeds information regarding QoS control capability in a session control message, and transmits this information to a server controlling the session at the start of the session,
The communication module receives the response message in which the central server replies to the terminal with a QoS control capability embedded in a response message,
When the response message at the start of the session includes information on QoS control capability, the terminal operates the monitoring module and the execution module,
The terminal according to claim 1 , wherein a communication channel for performing QoS control between the communication module and the central server is established .

During the access control process when the terminal is connected to the network, the communication module requests a QoS control service from the access control server;
Using the tunnel channel information assigned by the central server, the access control server sets a tunnel channel between the communication module and the central server, and communicates between the communication module and the central server. terminal of claim 1, channel Ru is established.

A terminal capable of performing QoS control;
A central database for storing subscription information and service level agreements for users using the terminal;
A central server that receives a report of QoS information from the terminal and instructs the terminal to execute the QoS based on the QoS information, the user subscription information, and the service level agreement information.
A communication system comprising:
The terminal is
A monitoring module that collects information related to the QoS of the terminal and monitors whether the QoS statistic exceeds a predetermined threshold;
A communication module that reports information about the collected QoS to the central server and receives an instruction to execute the QoS from the central server;
An execution module that controls the operation of the terminal based on the QoS execution instruction received by the communication module;
When the monitoring module detects a threshold violation exceeding the threshold, the execution module performs traffic control for correcting the threshold violation.

A terminal having a QoS control module capable of performing QoS control;
A central database for storing subscription information of users who use the terminal and information on service level agreements;
A communication method in a communication system having a central server that receives a QoS information report from the terminal and instructs the terminal to execute QoS,
The QoS control module collecting information relating to the QoS of the terminal and monitoring whether the QoS statistic exceeds a predetermined threshold;
The QoS control module reporting the collected information on the QoS to the central server;
The central server receiving information on the QoS from the QoS control module;
The central server determining the QoS execution instruction based on the QoS information received from the QoS control module, the subscription information and the service level agreement information;
The central server transmitting the QoS execution instruction to the QoS control module;
The QoS control module performing QoS control of the terminal based on the QoS execution instruction sent from the central server;
If the QoS control module detects a threshold violation exceeding the threshold, performing QoS control to correct the threshold violation;
Communication method having.

The terminal embeds information on QoS control capability in a session control message and transmits this information to a server controlling the session at the start of the session;
If the server controlling the session detects information regarding the QoS control capability, the central server initiates a monitoring session;
The central server embeds QoS control capability in a reply message and replies to the terminal;
When the response message at the start of the session includes information on QoS control capability, the terminal operates the QoS control module;
The communication method according to claim 8, wherein a communication channel is established for performing QoS control between the QoS control module of the terminal and the central server.

Embedding a report of information relating to the QoS in the session control message, and transmitting the information to the server controlling the session using the communication channel;
The server controlling the session analyzing a report of information relating to the QoS embedded in the session control message;
The session control server transmitting the report information to the central server;
The communication method according to claim 9, further comprising: reporting information related to the QoS from the QoS control module to the central server.

The communication method according to claim 10, further comprising the step of the central server storing the report information in a back-end database.

The central server embeds QoS execution information in the session control message and sends it to the session client of the terminal using the communication channel;
The session client analyzing QoS execution information embedded in the session control message by a session application;
The session client sending the QoS execution instruction to the QoS control module;
The communication method according to claim 9.

The communication method according to claim 12, further comprising the step of the terminal storing the QoS execution information in a local database of the terminal.

Requesting a QoS control service by the terminal during an access control process when the terminal connects to a network;
When the access control server notifies the central server of the QoS control service request, the central server starts a monitoring session;
Assigning tunnel channel information and embedding the tunnel channel information in a response from the central server to the access control server;
Receiving the tunnel channel information, and using this, setting a tunnel channel between the QoS control module of the terminal and the central server,
The communication method according to claim 8, wherein a communication channel for performing QoS control between the QoS control module of the terminal and the central server is established.

The communication method according to claim 14, further comprising a step of storing the collected information on the QoS in a local database of the terminal.

The central server compares the received QoS-related information report with the QoS profile obtained from the back-end database;
Packing said QoS execution instruction to be fed back into a specific QoS feedback report format by said central server;
15. The communication method according to claim 14, wherein feedback is performed from the central server to the QoS control module of the terminal using the tunnel channel.

The central server reading the QoS profile of the user receiving the service from the backend database;
The central server reading the QoS profile of the relay network from the backend database;
The central server obtaining a status of the relay network from an execution node of the network;
The central server obtains the status of the terminal by a report via the communication channel;
The central server comparing the state of the previous term terminal with the QoS profile of the terminal;
The central server comparing the state of the network with the QoS profile of the network;
The communication method according to claim 15.

The central server determines an operation to be performed based on information about a mechanism for handling a policy stored in a backend database;
The central server packing operation information including appropriate QoS parameters in a QoS execution message format;
Transmitting the QoS execution message to the QoS control module of a terminal that requires operation modification;
The communication method according to claim 14.