KR101023647B1 - SYSTEM AND METHOD CONTROLLING QoS USING RESOURCE MANAGEMENT AGENT OF HOME NETWORK - Google Patents

Abstract

The present invention relates to a technology for ensuring end-to-end service quality and providing a home network service satisfying a user by appropriately controlling end-to-end service quality between home networks according to target quality of service (QoS) characteristics in a home network. . The present invention, in order to confirm the use of the resource, or to reserve or release the resource, after establishing or extracting the resource-related information using the resource information repository according to the received IPC message, and outputs the information to the IPC handler and the response IPC message A switch resource query module for requesting configuration; A resource information storage for storing various information related to resources so that the home network resource policy server can check reserved resources and check set resource usage information; In order to guarantee end-to-end service quality to a user who receives home network service, a response message for establishing controlled policy information in the home network resource policy server is constructed based on the resource related information received from the IPC handler. A switch resource control module for transmitting to a network resource policy server; A home network comprising a switch resource management module for constructing a response message based on the resource related information received through the IPC handler and transmitting the response message to the home network resource policy server so as to identify available resources in the home network resource policy server. Achieved by the system.

Home Network, Resource Management Agent, Home Network Resource Policy Server

Description

 System and method of quality control using resource management agent in home network {SYSTEM AND METHOD CONTROLLING QoS USING RESOURCE MANAGEMENT AGENT OF HOME NETWORK}

The present invention relates to a structure and control technology of a resource management agent for providing improved home network services in a home network, and in particular, end-to-end by appropriately controlling end-to-end service quality between home networks according to target quality of service (QoS) characteristics. The present invention relates to a service quality control system and method using a resource management agent in a home network by ensuring a service quality and providing a home network service satisfying a user.

A home network is a set of components that can be connected and integrated with devices installed inside a home to perform various calculation, management, monitoring and communication functions. It is made in combination. Home networking is implemented through a variety of networking protocols, including Ethernet, telephone lines, power lines, and wireless, enabling functional sharing, data sharing, and remote control between networked home digital information devices. It also distributes applications and services to Internet access, audio / video streams, home control applications and services, and other networked equipment.

The representative network device constituting the home network is the L2 device, which means a device corresponding to the second layer of the OSI 7 Layer. The existing L2 equipment in the home network used the best effort method, which has no choice but to manage and control statically due to the absence of agents configuring resource control. The L2 equipment constituting the home network has end-to-end loss and delay due to the limited functions of classification according to the current network characteristics and packet types, which are incapable of functioning. There was a frequently occurring problem.

Accordingly, an object of the present invention is to guarantee end-to-end service quality through dynamic resource control and diversified resource control by interworking with a policy server when controlling network equipment L2 in a static home network in a policy-based structure. To make it work.

The objects of the present invention are not limited to the above-mentioned objects. Other objects and advantages of the invention will be more clearly understood by the following description.

In order to achieve the above object, the present invention provides a classification of an OS / kernel unit and a packet for receiving a resource related packet such as resource setting confirmation, resource status report, resource control establishment, resource release, etc. from a home network resource policy server. A control packet handler for obtaining a resource related message; A message parser for parsing the resource related message and checking whether the message is a message for establishing a resource or a message for collecting resource information, and then requesting an IPC handler to construct a message for the identified purpose; An IPC handler for constructing an IPC message according to the request of the message parser, outputting the IPC message to a switch resource query module, and then transmitting resource related information received from the switch resource query module to the switch resource management module; In order to confirm the use of the resource, or to reserve or release the resource, the resource related information is established or extracted using the resource information repository according to the received IPC message, and then the corresponding information is output to the IPC handler and a request is made for constructing a response IPC message. A switch resource query module; A resource information storage for storing various information related to resources so that the home network resource policy server can check reserved resources and check set resource usage information; In order to guarantee end-to-end service quality to a user who receives home network service, a response message for establishing controlled policy information in the home network resource policy server is configured based on the resource related information received from the IPC handler. A switch resource control module for transmitting to the home network resource policy server; And a switch resource management module configured to transmit a response message to the home network resource policy server by constructing a response message based on the resource related information received through the IPC handler so that the available resource can be checked by the home network resource policy server. It is characterized by.

Another embodiment of the present invention for achieving the above object, the first step of receiving the resource setting confirmation message from the home network resource policy server to confirm the contents and to configure the IPC message for resource setting confirmation and output to the switch resource query module and; A second step of the switch resource query module identifying a requested resource in a resource information repository according to the contents of the IPC message, collecting resource setting information for each port, and then requesting a corresponding response IPC message configuration; The resource configuration information for each port is transmitted to the switch resource management module, and the switch resource management module comprises a third process of constructing a corresponding response message and outputting it to the home network resource policy server.

Another embodiment of the present invention for achieving the above object, the first step of receiving the resource status report message from the home network resource policy server to verify the content and configure the IPC message for the resource status report and output to the switch resource query module and; A second step of the switch resource query module collecting resource statistics of an input / output port through a hardware drive API, outputting them to an IPC handler, and requesting a response IPC message configuration according to the resource statistics; Transmitting resource setting information for each port to the switch resource management module, and configuring a resource status report response message based on the status report information for each port received by the switch resource management module to output to the home network resource policy server; It is characterized by consisting of a process.

Yet another aspect of the present invention provides a first process of receiving a resource reservation message from a home network resource policy server, checking contents, and constructing an IPC message for resource reservation and outputting the same to a switch resource query module; The switch resource query module sets a control rule for a resource to be reserved, applies a policy rule to a classification rule, outputs the resource reservation information accordingly, and requests a response IPC message configuration for resource control establishment. A second process; The resource reservation information for each port is transmitted to the switch resource management module, and the resource reservation response message is configured based on the resource reservation information received by the switch resource management module, and then output to the home network resource policy server. It features.

Yet another aspect of the present invention provides a first process for receiving a resource release message from a home network resource policy server, checking contents, and constructing an IPC message for resource release and outputting it to a switch resource query module; The switch resource query module deletes a resource control mapping table from a classification rule, deletes a policy rule, stores resource release information in a resource information repository, and requests an IPC handler to construct a response IPC message for resource release. Two courses; This is a third process of transmitting resource release information for each port to the switch resource management module, and constructing a resource reservation release response message based on the resource reservation release information received by the switch resource management module to output to the home network resource policy server. Characterized in that made.

The present invention has the effect of guaranteeing end-to-end service quality by performing dynamic resource control and diversified resource control by interworking with a policy server when controlling network equipment L2 in a static home network in a policy-based structure. .

In addition, the user's service requirements are delivered to the resource management agent through the home network policy server, thereby providing a home network service that satisfies the user.

In addition, it is possible to provide active and adaptive home network services through end-to-end service quality management by sharing necessary resource information. Furthermore, the efficiency of home network resources can be improved by allowing users the required services as required. .

The above objects, features, and advantages will be described in detail with reference to the accompanying drawings, whereby those skilled in the art may easily implement the present invention. In describing the present invention, when it is determined that the detailed description of the air technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a home network in which a home network resource management agent according to the present invention is applied to guarantee end-to-end QoS.

Referring to FIG. 1, a plurality of home network resource management agents 300 located in respective regions are connected to an IP network, and on the one hand, the service control function unit 100 is connected to each home network resource policy server 200. Are connected to the user's terminal 400 on the other hand. The home network resource policy servers 200 exchange control information between end-to-end. Here, the terminal 400 includes a computer, a notebook computer, a VoIP terminal, an IPTV terminal, a portable information terminal (PDA), an IMT-2000 terminal, and the like.

The service control function unit 100 receiving a service request from any terminal 400 requests a service control from the corresponding home network resource policy server 200.

Correspondingly, the home network resource policy server 200 checks the information on the home network resources to ensure the targeted QoS between the end-to-end of the home network requested by the user, and then, according to the final decision, the home network resource. The management agent 300 requests the execution of the established policy.

2 is a diagram illustrating the interworking structure of a home network resource management agent system and a home network resource policy server of the present invention.

2, the main components of the home network resource management agent 300 is composed of the switch resource control module 310 and the switch resource management module 320, the element of the home network resource policy server 200 It is linked with the resource policy processor 220 and the resource information collector 240.

The switch resource control module 310 allows the actual L2 home network equipment to establish a policy decision established by the resource policy processing unit 220 of the home network resource policy server 200.

The switch resource control module 310 sets a classification rule for the flow for which the resource is to be reserved, sets a policy rule for the reserved resource, and finally applies the policy rule to the classification rule. This matter is stored in the resource information store 360 of FIG. 3 to be described later, so that the service control function unit 100 can check the established policy information.

The switch resource management module 320 delivers the collected information at predetermined time intervals (eg, 10 seconds) in association with the resource information collecting unit 240 of the home network resource policy server 200. This resource usage information is used in resource policy formulation as a criterion for judging the actual available resources.

3 is a detailed structural diagram of the L2 equipment in which the home network resource management agent 300 is mounted. The L2 device includes a switch resource control module 310 and a switch resource management module 320 for interworking with the home network resource policy server 200, in addition to the switch resource query module 350, the resource information repository 360, and the like. The message parser 330 includes an interprocessor communication (IPC) handler 340, an operating system / kernel unit 370, and a control packet handler 380.

Referring to FIG. 3, the request packet from the home network resource policy server 200 is transmitted to the control packet handler 380 through the OS / kernel unit 370, where the OS / kernel unit 370 is used. Requests the classification of the request packet to the control packet handler 380.

Accordingly, the control packet handler 380 classifies the control packet, receives the message, delivers the message to the message parser 330, and requests parsing thereof. Accordingly, the message parser 330 parses the received message and checks whether the message is for establishing a resource or for collecting resource information.

The message parser 330 requests configuration of the message from the IPC handler 340 according to the use of the confirmed message.

In response, the IPC handler 340 constructs an IPC message for the request and outputs the IPC message to the switch resource query module 350.

In this case, the switch resource query module 350 extracts data according to a procedure for establishing or collecting resource information according to an IPC message received using the resource information storage 360.

Meanwhile, a process for confirming resource setting performed in FIG. 3 will be described with reference to FIG. 4.

The resource setting confirmation request packet is output from the resource information collecting unit 240 of the home network resource policy server 200 to the OS / kernel unit 370. (S401)

The OS / kernel unit 370 receiving the resource setting confirmation request packet requests the control packet handler 380 to classify the packet (S402).

Accordingly, the control packet handler 380 classifies the resource setting confirmation request packet received from the operating system / kernel unit 370 and receives the resource setting confirmation message, and then parses the message into the message parser 330. Request (S403)

In this regard, the message parser 330 parses the message received from the control packet handler 380 and confirms that the message is a resource setting confirmation message, and then configures an IPC message for resource setting confirmation in the IPC handler 340. Request (S404)

Accordingly, the IPC handler 340 constructs an IPC message according to the request and outputs the IPC message to the switch resource query module 350 (S405).

Accordingly, the switch resource query module 350 checks the resource requested by the IPC message in the resource information storage 360, and collects resource setting information for each port according to the check result (S406).

Thereafter, the switch resource query module 350 transmits the collected resource setting information for each port to the IPC handler 340, and requests a response IPC message configuration according to the verification result (S407).

In response, the IPC handler 340 transmits the resource setting information for each port received from the switch resource query module 350 to the switch resource management module 320 (S408).

Accordingly, the switch resource management module 320 constructs a resource setting confirmation response message based on the resource setting information for each port received through the IPC handler 340 to configure resources of the home network resource policy server 240. Transfer to the information collecting unit 240. (S409)

Meanwhile, the resource status report processing performed in FIG. 3 will be described with reference to FIG. 5.

The resource status report request packet is output from the resource information collecting unit 240 of the home network resource policy server 200 to the OS / kernel unit 370. (S501)

The OS / kernel unit 370 receiving the resource status report request packet requests the control packet handler 380 to classify the packet (S502).

Accordingly, the control packet handler 380 classifies the resource status report request packet received from the operating system / kernel unit 370, obtains the resource status report message, and requests the message parser 330 to parse the message. (S503)

 In this regard, the message parser 330 parses the message received from the control packet handler 380 and confirms that the message is a resource status report message, and then reports port-specific statistics for resource status reporting to the IPC handler 340. Request message composition (S504).

Accordingly, the IPC handler 340 constructs an IPC message according to the request and outputs the IPC message to the switch resource query module 350 (S505).

Accordingly, the switch resource query module 350 collects resource statistics of the input / output port through the hardware drive API, outputs them to the IPC handler 340, and requests a response IPC message configuration according to the resource statistics. S506)

In response, the IPC handler 340 transmits the traffic status report information for each port to the switch resource management module 320 (S507).

Accordingly, the switch resource management module 320 constructs a resource status report response message based on the status report information for each port received from the IPC handler 340 to configure resource information of the home network resource policy server 240. Transfer to the collection unit 240. (S508)

Meanwhile, the resource reservation processing performed in FIG. 3 will be described with reference to FIG. 6.

A resource control establishment request packet is output from the resource policy processing unit 220 of the home network resource policy server 200 to the OS / kernel unit 370. (S601)

The OS / kernel unit 370 receiving the resource control establishment request packet requests the control packet handler 380 to classify the packet (S602).

Accordingly, the control packet handler 380 classifies the resource control establishment request packet received from the operating system / kernel unit 370, receives the resource control establishment message, and requests the message parser 330 to parse the message. (S603)

In this regard, the message parser 330 parses the message received from the control packet handler 380 and confirms that the information of the message is resource available information, and then configures a resource reservation request IPC message in the IPC handler 340. Request (S604).

Accordingly, the IPC handler 340 constructs an IPC message according to the request and outputs it to the switch resource query module 350 (S605).

Accordingly, the switch resource query module 350 sets a control rule for a resource to be reserved, applies a policy rule to a classification rule, and stores the resource reservation information according to the resource rule in the resource information storage 360. S606)

In addition, the switch resource query module 350 transmits the resource reservation information to the IPC handler 340, and requests a response IPC message configuration for resource control establishment (S607).

In response, the IPC handler 340 transmits the resource reservation information to the switch resource control module 310 (S608).

Accordingly, the switch resource control module 310 configures a resource reservation response message based on the resource reservation information received from the IPC handler 340 to configure the resource policy processing unit 220 of the home network resource policy server 200. (S609)

Meanwhile, the resource releasing process performed in FIG. 3 will be described with reference to FIG. 7.

The resource release packet is output from the resource policy processing unit 220 of the home network resource policy server 200 to the OS / kernel unit 370. (S701)

The OS / kernel unit 370 receiving the resource release packet requests the control packet handler 380 to classify the packet (S702).

Accordingly, the control packet handler 380 classifies the resource release packet received from the operating system / kernel unit 370, obtains the resource release message, and then requests the message parser 330 to parse the message. S703)

In response to this, the message parser 330 parses the message received from the control packet handler 380, confirms that the information of the message is resource release information, and then releases the resource reservation request IPC message to the IPC handler 340. Request configuration (S704).

Accordingly, the IPC handler 340 constructs an IPC message according to the request and outputs it to the switch resource query module 350 (S705).

Accordingly, the switch resource query module 350 deletes the resource control mapping table from the classification rule, deletes the policy rule, and stores resource reservation release information in the resource information storage 360 (S706).

In addition, the switch resource query module 350 requests the IPC handler 340 to construct a response IPC message for resource release (S707).

In contrast, the IPC handler 340 transmits the resource reservation release information to the switch resource control module 310 (S708).

Accordingly, the switch resource control module 310 configures a resource reservation release response message based on the resource reservation release information received from the IPC handler 340 to configure the resource policy processing unit of the home network resource policy server 200 ( 220) (S709).

Although the preferred embodiment of the present invention has been described in detail above, the scope of the present invention is not limited thereto, and may be implemented in various embodiments based on the basic concept of the present invention defined in the following claims. These embodiments are also within the scope of the present invention.

1 is a block diagram of a home network to which a home network resource management agent according to the present invention is applied.

2 is a block diagram showing an interworking structure of a home network resource policy server and a home network resource management agent.

Figure 3 is a block diagram of a home network equipment showing an application example of the present invention.

4 is a flowchart illustrating a resource setting confirmation process in a home network device according to the present invention;

5 is a flowchart illustrating a process of reporting a resource status in a home network equipment according to the present invention.

6 is a flowchart illustrating a resource reservation process in a home network device according to the present invention.

7 is a flowchart illustrating a process of releasing resource control in home network equipment according to the present invention.

*** Description of the symbols for the main parts of the drawings ***

100: service control unit 200: home network resource policy server

210: service analysis processing unit 220: resource policy processing unit

230: resource information delivery unit 240: resource information collection unit

250: service policy and resource information storage unit

300: home network resource management agent

310: switch resource control module 320: switch resource management module

330: message parser 340: IPC handler

350: switch resource query module 360: resource information repository

370: operating system / kernel unit 380: control packet handler

400: terminal

Claims (13)

Operating system / kernel part to receive resource related packet including resource setting check, resource status report, resource control establishment, resource control release from home network resource policy server, and control packet handler to classify the packet and obtain resource related message Wow; A message parser for parsing the resource related message and checking whether the message is a message for establishing a resource or a message for collecting resource information, and then requesting an IPC handler to construct a message for the identified purpose; An IPC handler for constructing an IPC message according to the request of the message parser, outputting the IPC message to a switch resource query module, and then transmitting resource related information received from the switch resource query module to the switch resource management module; In order to confirm the use of the resource, or to reserve or release the resource, the resource related information is established or extracted using the resource information repository according to the received IPC message, and then the corresponding information is output to the IPC handler and a request is made for constructing a response IPC message. A switch resource query module; A resource information storage for storing various information related to resources so that the home network resource policy server can check reserved resources and check set resource usage information; In order to guarantee end-to-end service quality to a user who receives home network service, a response message for establishing controlled policy information in the home network resource policy server is configured based on the resource related information received from the IPC handler. A switch resource control module for transmitting to the home network resource policy server; In order to identify the resources available in the home network resource policy server, the response message is configured based on the resource-related information received through the IPC handler and configured as a switch resource management module for delivering to the home network resource policy server Quality of Service Control System using Resource Management Agent in Home Network. The home network of claim 1, wherein the switch resource query module checks the resource requested by the IPC message in a resource information repository, collects resource setting information for each port, and outputs the resource configuration information to the IPC handler. Quality of Service Control System using Resource Management Agent. The system of claim 1, wherein the switch resource query module collects resource statistics of an input / output port through a hardware drive API and outputs the resource statistics to an IPC handler. The method of claim 1, wherein the switch resource query module sets a control rule for a resource to be reserved, applies a policy rule to a classification rule, and then outputs the resource reservation information according to the resource rule and the IPC handler. A service quality control system using a resource management agent in a home network. The resource management in a home network according to claim 1, wherein the switch resource query module deletes a resource control mapping table from a classification rule, deletes a policy rule, and stores resource reservation release information in the resource information repository. Service quality control system using agents. 2. The system of claim 1, wherein the resource information repository includes resource reservation information or resource reservation release information as information related to a resource. The system of claim 1, wherein the resource related information of the switch resource control module includes resource reservation information or resource release information. The system of claim 1, wherein the resource related information of the switch resource management module includes resource setting information and status report information for each port. Receiving the resource setting confirmation message from the home network resource policy server, checking the contents, and constructing an IPC message for the resource setting checking and outputting the IPC message to the switch resource query module; A second step of the switch resource query module identifying a requested resource in a resource information repository according to the contents of the IPC message, collecting resource setting information for each port, and then requesting a corresponding response IPC message configuration; Resource management in each home network comprising a third step of transmitting the resource configuration information for each port to the switch resource management module, the switch resource management module configures the corresponding response message and outputs it to the home network resource policy server. Service quality control method using agent. 10. The method of claim 9, wherein the third process requests the IPC handler to construct a corresponding response IPC message. Receiving the resource status report message from the home network resource policy server, checking the contents, and constructing an IPC message for the resource status report and outputting the IPC message to the switch resource query module; A second step of the switch resource query module collecting resource statistics of an input / output port through a hardware drive API, outputting them to an IPC handler, and requesting a response IPC message configuration according to the resource statistics; The resource setting information for each port is transmitted to the switch resource management module, and the resource status report response message is composed and output to the home network resource policy server based on the status report information for each port received by the switch resource management module. A service quality control method using a resource management agent in a home network, characterized in that consisting of three processes. Receiving a resource reservation message from the home network resource policy server, checking the contents, and constructing an IPC message for resource reservation and outputting the IPC message to the switch resource query module; The switch resource query module sets a control rule for a resource to be reserved, applies a policy rule to a classification rule, outputs the resource reservation information accordingly, and requests a response IPC message configuration for resource control establishment. A second process; The resource reservation information for each port is transmitted to the switch resource management module, and the resource management response message is configured based on the resource reservation information received by the switch resource management module. A service quality control method using a resource management agent in a home network. Receiving a resource release message from the home network resource policy server, checking the contents, and constructing an IPC message for resource release and outputting the IPC message to the switch resource query module; The switch resource query module deletes a policy control mapping table from a classification rule, deletes a policy rule, stores resource release information in a resource information repository, and requests an IPC handler to construct a response IPC message for resource release. A second process; This is a third process of transmitting resource release information for each port to the switch resource management module, and constructing a resource reservation release response message based on the resource reservation release information received by the switch resource management module to output to the home network resource policy server. A service quality control method using a resource management agent in a home network, characterized in that made.

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