TWI481289B - Network topology switching device and method - Google Patents

Description

Network topology switching device and method

The present invention mainly relates to a network topology switching technology, and particularly relates to a network topology switching technology for switching a client device to a current network topology by using an IP address information obtained by a base station.

With the advent of the Internet age, users can use more and more bandwidth, and more and more applications for digital devices on the user side. But in contrast, these digital devices are becoming more and more complex, and many services must change the configuration of these digital devices to provide services. Therefore, in order to manage Customer Premises Equipment (CPE), Broadband Forum The TR-069 agreement was proposed in May 2004, and a revised version was proposed in the following years. It is hoped that these client devices can be managed from the remote through the network. The official name is the client device WAN protocol. (CPE WAN Management Protocol, CWMP), through this agreement, can quickly understand the problem of the user equipment through remote management, and restore the user's service in a short time.

The main function of the client device wide area network protocol (CWMP) is to provide the client device to automatically register with the remote automatic configuration server (ACS). The automatic configuration server (ACS) can determine the user's identity according to the manufacturer, device model, serial number, software version and other conditions of the user equipment, and then provide the user user equipment according to the service requested by the user. set up. In addition, the client device wide area network protocol (CWMP) can also provide user equipment Firmware update, when the device manufacturer of the user equipment finds that the current version of the client device has a vulnerability that needs to be fixed, or a new service needs to be provided, the user can directly provide the user through the network connection through the automatic configuration server. End device firmware update information for firmware update.

Traditionally, when different network topologies are used depending on the restrictions of different regions or the services provided by the carrier, the user equipment cannot be automatically switched to a mode suitable for different network topology architectures, thereby causing the user equipment to connect. Or interruption of service.

In view of the above prior art problems, the present invention provides a network topology switching technology, which can switch a user equipment to a network topology switching technology applicable to a current network topology by using IP address information obtained by a base station. .

According to an embodiment of the present invention, a network topology switching apparatus is provided. The WAN protocol for a user equipment includes: a processing unit configured to obtain an IP address information by a base station, and according to the foregoing The IP address information is switched to apply to a mode of a first network topology or a second network topology; a transmitting unit, after the processing unit is switched, transmitting a notification message to a server; and monitoring Unit to continuously monitor a network status.

According to an embodiment of the present invention, a network topology switching method is provided. The routing device applicable to a client device wide area network protocol includes: including: registering in a network by using a base station; The routing device obtains an IP address information by the base station; and switches to the applicable first network topology or the second network topology according to the IP address information. After the routing device is switched, a notification message is sent to a server; and a network state is continuously monitored.

FIG. 1 is a block diagram showing a network topology switching apparatus 100 according to an embodiment of the invention. As shown in the figure, the network topology switching apparatus 100 according to an embodiment of the invention includes a processing unit 110, a transmitting unit 120, and a monitoring unit 130.

According to an embodiment of the invention, the processing unit 110 is configured to obtain an IP address information from a base station 200, and switch the network topology switching device 100 to the first network topology or the first according to the IP address information S1. One of the two network topology models. FIG. 2A is a block diagram showing a first network topology according to an embodiment of the invention. As shown in FIG. 2A, the base station 200 provides only one IP address to the network topology switching device 100, that is, the current network environment has only one wide area network, regardless of the network topology switching device 100 and the Internet. The 210 connection or communication with the management server 220 is performed via a single wide area network, wherein the network topology switching device 100 inserts the IP address into the Simple Object Access Protocol (SOAP) data. In order to communicate with the management server 220. FIG. 2B is a block diagram showing a second network topology according to an embodiment of the invention. As shown in FIG. 2B, the base station 200 provides two IP addresses to the network topology switching device 100. That is, the current network environment has two wide area networks, and one IP address is used for the network topology switching device 100. Connect to the Internet 210 to obtain general network services, such as Internet access, Internet telephony, etc., and another IP address for the network topology switching device 100 and The management server 220 communicates, wherein the network topology switching device 100 inserts the IP address into the Simple Object Access Protocol (SOAP) data to communicate with the management server 220. According to the above embodiment of the present invention, the network topology switching device 100 refers to a Customer Premises Equipment (CPE) defined in a client equipment wide area network protocol (CWMP) architecture, and the management server 220 refers to a client equipment. Automatic configuration server (ACS) defined in the Wide Area Network Protocol (CWMP) architecture.

According to an embodiment of the invention, when the IP address information S1 includes only one of the first IP addresses of the first wide area network, the processing unit 110 switches the network topology switching device 100 to the first network topology. The mode, that is, providing only a wide area network interface for transmission mode, and establishing a first routing table corresponding to one of the first wide area networks. According to another embodiment of the present invention, when the IP address information S1 includes a first IP address of a first wide area network and a second IP address of a second wide area network, the processing unit 110 Switching device 100 switches to a mode suitable for the second network topology, that is, a mode for providing two wide area network interfaces for transmission, and establishing a first routing table corresponding to one of the first wide area networks and corresponding to the second One of the second routing tables for the WAN.

According to an embodiment of the invention, the transmitting unit 120, after the processing unit 110 is switched over, transmits a notification message (not shown) to the management server 220, and has informed the management server 220 of the current network topology. According to an embodiment of the invention, the monitoring unit 130 is configured to continuously monitor a network status. The network status refers to determining whether the base station 200 provides different network services according to the IP address information transmitted by the base station 200. And need to cut Change the mode of different network topology. According to an embodiment of the present invention, the monitoring unit 130 determines whether to transmit an execution notification (not shown) to the processing unit 110 according to the network status, that is, when the network status changes, the processing unit 110 performs monitoring according to The unit 130 transmits an execution notification, and then performs a handover determination process.

FIG. 3 is a flow chart 300 showing a network topology switching method according to an embodiment of the invention. The above network topology switching method is applicable to a routing device applied to a client equipment wide area network protocol (CWMP). First, in step S310, a base station is registered in a network; in step S320, an IP address information is obtained by the base station by using the routing device; and in step S330, switching to the applicable IP address information is performed. A first network topology or a second network topology; in step S340, after the routing device is switched, a notification message is sent to a server; and in step S350, a network state is continuously monitored.

FIG. 4 is a flowchart 330 showing a flowchart 300 of a network topology switching method according to an embodiment of the invention. According to an embodiment of the present invention, step 330 further includes: when the IP address information includes only one of the first IP addresses of the first wide area network, performing step 332, and switching to the first network extension by using the routing device. And establishing a first routing table corresponding to one of the first wide area networks; when the IP address information includes a first IP address of a first wide area network and a second IP address of a second wide area network, Step 334 is performed to switch to the second network topology by using the routing device, and establish a first routing table corresponding to the first wide area network and a second routing table corresponding to one of the second wide area networks. According to an embodiment of the invention, the routing device determines whether to perform another cut according to the network status. Change the process of judgment.

Traditionally, when different network topologies are used depending on the restrictions of different regions or the services provided by the carrier, the user equipment cannot be automatically switched to a mode suitable for different network topology architectures, thereby causing the user equipment to connect. Or the interruption of the service. Therefore, the network topology switching method provided by the present invention provides that the user equipment can automatically switch the suitable network topology mode according to the current network state, and the method is also convenient for the remote server. For the maintenance and management of the client device, there is no problem of service interruption due to changes in the network topology.

The specific features, structures, or properties mentioned in the "invention" or "embodiment" referred to in the specification may be included in at least one embodiment of the present specification. Therefore, statements that appear in different places, "in one embodiment," may not all refer to the same embodiment. In addition, this particular feature, structure, or property may be combined with one or more embodiments in any suitable manner.

The embodiments disclosed herein will readily appreciate the above advantages for anyone skilled in the art. After reading the contents of the specification, any person skilled in the art can make appropriate changes and substitutions in a broad manner without departing from the spirit and scope of the invention. Therefore, the embodiments disclosed in the present specification are intended to protect the scope of the claims of the present invention, and are not intended to limit the scope of the present invention. In addition, in different embodiments, the present invention may reuse the same index number and/or Or text. The use of such indexing labels and/or text is intended to simplify and clarify the invention, but is not intended to indicate that the various embodiments and/or disclosed structures must have the same features.

100‧‧‧Network topology switching device

110‧‧‧Processing unit

120‧‧‧Transfer unit

130‧‧‧Monitoring unit

200‧‧‧Base Station

210‧‧‧Internet

220‧‧‧Management Server

300, 400‧‧‧ flow chart

S1‧‧‧IP address information

FIG. 1 is a block diagram showing a network topology switching apparatus 100 according to an embodiment of the invention.

FIG. 2A is a block diagram showing a first network topology according to an embodiment of the invention.

FIG. 2B is a block diagram showing a second network topology according to an embodiment of the invention.

FIG. 3 is a flow chart 300 showing a network topology switching method according to an embodiment of the invention.

FIG. 4 is a flowchart 330 showing a flowchart 300 of a network topology switching method according to an embodiment of the invention.

100‧‧‧Network topology switching device

110‧‧‧Processing unit

120‧‧‧Transfer unit

130‧‧‧Monitoring unit

200‧‧‧Base Station

S1‧‧‧IP address information

Claims (9)

A network topology switching device, applicable to a client equipment wide area network protocol (CWMP), comprising: a processing unit, configured to obtain an IP address information by a base station, and switch to apply to the IP address information according to the foregoing a first network topology or a second network topology; a transmitting unit, after the processing unit is switched, transmitting a notification message to a server; and a monitoring unit for continuously monitoring Network status. The network topology switching device of claim 1, wherein the processing unit switches to the first network when the IP address information includes only a first IP address of a first wide area network. The topology is established and a first routing table corresponding to one of the first wide area networks is established. The network topology switching device of claim 1, wherein the IP address information comprises a first IP address of a first wide area network and a second IP address of a second wide area network. The processing unit switches to the second network topology, and establishes a first routing table corresponding to one of the first wide area networks and a second routing table corresponding to one of the second wide area networks. The network topology switching device of claim 1, wherein the monitoring unit determines whether to transmit an execution notification to the processing unit according to the network status. According to the network topology switching device of claim 4, when the state of the network changes, the processing unit performs another handover determination according to the execution notification transmitted by the monitoring unit. Process. A network topology switching method, applicable to a user equipment wide area network protocol (CWMP) routing device, comprising: registering in a network by a base station; obtaining, by the base station, a base station by using the routing device IP address information; switching to a first network topology or a second network topology according to the above IP address information; transmitting a notification message to a server when the routing device is switched over; and continuously monitoring A network status. The network topology switching method of claim 6, further comprising: when the IP address information includes only one first IP address of a first wide area network, switching to the foregoing by using the routing device The first network topology is configured and a first routing table corresponding to one of the first wide area networks is established. The network topology switching method of claim 6, further comprising: when the IP address information includes a first IP address of a first wide area network and a second IP of a second wide area network The address is switched to the second network topology by the routing device, and a first routing table corresponding to one of the first wide area networks and a second routing table corresponding to one of the second wide area networks are established. The network topology switching method according to claim 6, wherein the routing device determines whether to perform a handover determination process according to the network state.