CN115460070A - Gateway disaster recovery system - Google Patents
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- CN115460070A CN115460070A CN202211102589.7A CN202211102589A CN115460070A CN 115460070 A CN115460070 A CN 115460070A CN 202211102589 A CN202211102589 A CN 202211102589A CN 115460070 A CN115460070 A CN 115460070A
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- 238000011084 recovery Methods 0.000 title claims abstract description 42
- 230000006854 communication Effects 0.000 claims abstract description 101
- 238000004891 communication Methods 0.000 claims abstract description 99
- 239000010985 leather Substances 0.000 claims abstract description 57
- 230000003993 interaction Effects 0.000 claims abstract description 26
- 230000002159 abnormal effect Effects 0.000 claims abstract description 22
- 230000011664 signaling Effects 0.000 claims description 24
- 230000003213 activating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0485—Networking architectures for enhanced packet encryption processing, e.g. offloading of IPsec packet processing or efficient security association look-up
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The application relates to a gateway disaster recovery system, which comprises a pico base station, a main pico base station gateway, a standby pico base station gateway and a pico base station core network; the method comprises the following steps that a leather base station, a main leather base station gateway and a skin preparation base station gateway are in communication connection, the main leather base station gateway and the skin preparation base station gateway are in communication connection with a leather base station core network, and the communication connection between the skin preparation base station gateway and the skin preparation base station core network is in an inactivated state under the condition that the working state of the main leather base station gateway is a normal state; when detecting that the working state of the gateway of the master-slave base station is a normal state, the master-slave base station performs communication data interaction with the core network of the slave base station through the gateway of the master-slave base station; and the standby leather base station gateway activates communication connection with the core network of the leather base station under the condition that the working state of the main leather base station gateway is in an abnormal state, and the leather base station performs communication data interaction with the core network of the leather base station through the standby leather base station gateway when the main leather base station gateway is in the abnormal state. By adopting the method, the quick switching can be realized when the gateway of the pico-base station fails.
Description
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a gateway disaster recovery system.
Background
The pico-cell base station is an expandable, multi-channel and bidirectional communication femtocell base station, is mainly applied to indoor environments of family residences, medium and small enterprises and the like, and provides communication services for users. The pico base station gateway is used for forwarding and processing data between the pico base station and the pico base station core network. With the increasing scale of the pico-base stations accessed in the public network mode, the reliability requirement of the pico-base station gateway system is increased continuously. In order to avoid system paralysis caused by serious faults of a machine room of the pico-base station gateway, the pico-base station gateway backup system is required to be capable of rapidly providing access service for the pico-base station equipment, and service interruption time of the pico-base station equipment is reduced to the minimum.
The current common gateway backup system of the pico base station has a method for remote disaster recovery deployment. The remote disaster recovery backup system simultaneously deploys two sets of gateway equipment of the pico-cell base station in machine rooms of different places, manages the gateway equipment of the pico-cell base station deployed in a distributed mode through a comprehensive gateway management platform, and informs the accessed gateway equipment of the pico-cell base station to be switched to the backup gateway of the pico-cell base station when the comprehensive gateway management platform detects that the main gateway of the pico-cell base station fails. However, the performance of the remote disaster recovery backup system is not good enough.
Disclosure of Invention
In view of the above, it is necessary to provide a gateway disaster recovery system capable of fast handover in order to solve the above technical problems.
The application provides a gateway disaster recovery system. The gateway disaster recovery system comprises a pico-cell, a main pico-cell gateway, a standby pico-cell gateway and a pico-cell core network; the method comprises the following steps that a leather base station, a main leather base station gateway and a skin-preserved base station gateway are in communication connection, the main leather base station gateway and the skin-preserved base station gateway are in communication connection with a leather base station core network, and the communication connection between the skin-preserved base station gateway and the skin base station core network is in an inactivated state under the condition that the working state of the main leather base station gateway is a normal state; the pico base station is used for detecting the working state of the main pico base station gateway and carrying out communication data interaction with the pico base station core network through the main pico base station gateway under the condition that the working state of the main pico base station gateway is a normal state; and the base station gateway is used for detecting the working state of the main-skin base station gateway, activating the communication connection with the core network of the leather base station under the condition that the working state of the main-skin base station gateway is in an abnormal state, and performing communication data interaction with the core network of the leather base station through the base station gateway of the leather base station under the condition that the working state of the main-skin base station gateway is in the abnormal state.
In one embodiment, the communication connection established between the pico base station and the main pico base station gateway and the standby pico base station gateway comprises an IPSec tunnel and a first S1 connection; the pico base station is used for transmitting user plane data and signaling plane data of the terminal through the IPSec tunnel; and the pico base station is used for connecting and transmitting the signaling plane data of the pico base station through the first S1.
In one embodiment, the leather base station, the main leather base station gateway and the standby leather base station gateway carry out interaction of heartbeat messages through IPSec tunnels; and the pico base station is used for detecting whether the working states of the main pico base station gateway and the preserved pico base station gateway are normal or not according to the heartbeat messages of the main pico base station gateway and the preserved pico base station gateway.
In one embodiment, the main skin base station gateway and the standby skin base station gateway comprise a security gateway and a signaling gateway; IPSec tunnels are established among the pico-base station, the gateway of the main pico-base station and the security gateway of the standby pico-base station; the first S1 connection is established between the pico-base station and the signaling gateway in the main pico-base station gateway and the standby pico-base station gateway.
In one embodiment, the master-pico base station gateway and the stand-by base station gateway are both connected with the pico-base station core network by the second S1, and the second S1 connection between the stand-by base station gateway and the pico-base station core network is in an inactive state when the working state of the master-pico base station gateway is in a normal state.
In one embodiment, the master and stand-by base station gateways establish a second S1 connection with the pico base station core network using the same cell parameters.
In one embodiment, the master base station gateway and the stand-by base station gateway establish a communication connection, and the master base station gateway and the stand-by base station gateway can perform interaction of heartbeat messages based on the established communication connection; and the skin preparation base station gateway is used for detecting whether the working state of the main skin base station gateway is a normal state or not according to the heartbeat message sent by the main skin base station gateway, and activating the second S1 connection between the skin preparation base station gateway and the skin base station core network when the working state of the main skin base station gateway is determined to be an abnormal state.
In one embodiment, the gateway disaster recovery system further comprises a main server and a standby server; the main server establishes communication connection with the main skin base station gateway, and the standby server establishes communication connection with the standby skin base station gateway; the main server and the standby server are used for storing account opening data of the pico base station, and the account opening data is used for carrying out validity authentication when the pico base station establishes an IPSec tunnel with the main pico base station gateway and the standby pico base station gateway.
In one embodiment, the master base station gateway establishes a communication connection with the backup base station gateway, and the master base station gateway is used for periodically synchronizing account opening data stored in the master server to the backup server through the backup base station gateway through the communication connection with the backup base station gateway.
In one embodiment, the master and standby base station gateways store account opening data of the pico base station, and the account opening data is used for performing validity authentication when the pico base station establishes an IPSec tunnel with the master and standby base station gateways.
In one embodiment, the master base station gateway establishes a communication connection with the stand-by base station gateway, and the master base station gateway is used for periodically synchronizing account opening data stored in the master base station gateway with the stand-by base station gateway through the communication connection with the stand-by base station gateway.
In one embodiment, the master and stand-by base station gateways are deployed in two different geographical areas.
The application provides a gateway disaster recovery system, which comprises a pico base station, a main pico base station gateway, a standby pico base station gateway and a pico base station core network; the system comprises a master base station gateway, a standby base station gateway and a standby base station core network, wherein the master base station gateway, the standby base station gateway and the standby base station gateway are all in communication connection; the system comprises a master-slave base station gateway, a slave-slave base station gateway and a master-slave base station core network, wherein the master-slave base station gateway is used for detecting the working state of the master-slave base station gateway and then performing communication data interaction with the slave-slave base station core network through the master-slave base station gateway under the condition that the working state of the master-slave base station gateway is detected to be a normal state; and the skin-sparing base station gateway is used for detecting the working state of the main skin base station gateway and activating the communication connection with the skin base station core network under the condition that the working state of the main skin base station gateway is an abnormal state, and at the moment, the skin base station is also used for carrying out communication data interaction with the skin base station core network through the skin-sparing base station gateway under the condition that the working state of the main skin base station gateway is an abnormal state. Through the mode, in the communication process, the standby leather base station gateway detects the working state of the main leather base station gateway in real time, when the main leather base station gateway is abnormal, the standby leather base station gateway activates the communication connection with the core network of the leather base station, so that the leather base station can perform communication data interaction with the core network of the leather base station through the standby leather base station gateway.
Drawings
Fig. 1 is a block diagram of a gateway disaster recovery system according to an embodiment;
fig. 2 is a schematic diagram of a dual connectivity relationship between a pico-base station and a pico-base station gateway in an embodiment;
FIG. 3 is a flow chart of an embodiment of a pico-base station service handoff;
fig. 4 is a schematic diagram of dual connectivity between a pico-base station gateway and a pico-base station core network in another embodiment;
fig. 5 is a flow diagram of a pico-base station gateway failover in one embodiment;
figure 6 is a schematic diagram of a connection between a femto cell gateway and a server in accordance with an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The current common gateway backup system of the pico-base station has a method for remote disaster recovery deployment. The remote disaster recovery backup system simultaneously deploys two sets of gateway devices of the pico-base station in machine rooms of different places, manages the distributed gateway devices of the pico-base station through a comprehensive gateway management platform, and informs the accessed gateway devices of the pico-base station to be switched to the backup gateway of the pico-base station when the comprehensive gateway management platform detects the fault of the main gateway of the pico-base station. The backup system needs a comprehensive gateway management platform to detect the state of each pico-base station gateway in real time, and meanwhile, communication connection is established between the accessed pico-base station gateway equipment and the standby pico-base station gateway during switching. However, the performance of the remote disaster recovery backup system is not good enough.
In view of the above, the present application provides a gateway disaster recovery system, which includes a pico-base station, a main pico-base station gateway, a standby pico-base station gateway, and a pico-base station core network; the method comprises the steps that communication connection is established between a skin base station and a main skin base station gateway as well as between a skin base station gateway and a skin base station core network, communication connection is established between the main skin base station gateway and the skin base station core network as well as between the skin base station gateway and a skin base station gateway and between the main skin base station gateway and the skin base station core network, when the working state of the main skin base station gateway is normal, the communication connection between the skin base station gateway and the skin base station core network is in an inactivated state, namely, the communication connection between the skin base station gateway and the skin base station core network is in a standby state. When the main pico base station gateway is abnormal, the standby pico base station gateway activates communication connection with the pico base station core network, and at the moment, the pico base station can perform communication data interaction with the pico base station core network through the standby pico base station gateway. Because the pico-cell establishes communication connection with the main pico-cell gateway and the standby pico-cell gateway, the switching speed is higher, and the quick recovery of the service is realized.
Fig. 1 is a block diagram of a gateway disaster recovery system according to an embodiment of the present application. As shown in fig. 1, the gateway disaster recovery system includes a pico-base station 11, a main pico-base station gateway 12, a standby pico-base station gateway 13, and a pico-base station core network 14; the pico-cell 11, the main pico-cell gateway 12 and the preserved-cell gateway 13 are all established with communication connection, the main pico-cell gateway 12, the preserved-cell gateway 13 and the pico-cell core network 14 are all established with communication connection, and the communication connection between the preserved-cell gateway 13 and the preserved-cell core network 14 is in an inactivated state under the condition that the working state of the main pico-cell gateway 12 is a normal state.
The pico-cell base station 11 is an expandable, multi-channel, and two-way femtocell base station, and is mainly applied to indoor environments such as a home residence or a small enterprise, and provides communication services for users. The pico-base station gateway can provide access service for the pico-base station 11, and the pico-base station core network 14 can provide forwarding management of a signaling plane and user name data for a terminal connected with the pico-base station 11. The pico-cell 11, the main pico-cell gateway 12 and the standby pico-cell gateway 13 are in the same network, and there may be a plurality of pico-cells 11 in the network, and as the scale of the pico-cell increases, the reliability requirement for the pico-cell gateway also increases, so that a gateway disaster recovery system is required, and the gateway disaster recovery system can be quickly switched to the standby pico-cell gateway 13 to provide access service for the pico-cell 11 when the main pico-cell gateway 12 fails, thereby reducing the service interruption time of the pico-cell 11.
The pico-base station 11 establishes communication connection with the main pico-base station gateway 12 and the preserved pico-base station gateway 13, optionally, the communication connection may use Internet Protocol Security (IPSec) for communication, or may be other communication protocols used for a wireless network, and the communication connection between the pico-base station 11 and the main pico-base station gateway 12 and the preserved pico-base station gateway 13 is in a working state. The master-pico base station gateway 12 is connected to the same pico base station core network 14 as the stand-by base station gateway 13, and meanwhile, communication connections are respectively established with the pico base station core network 14, wherein if the working state of the master-pico base station gateway 12 is normal, the communication connection between the stand-by base station gateway 13 and the pico base station core network 14 is in an inactive state, that is, in a standby state, that is, the communication connection between the master-pico base station gateway 12 and the pico base station core network 14 is in a normal state, and at this time, the communication state between the stand-by base station gateway 13 and the pico base station core network 14 is in a standby state. That is, only one communication connection between the pico-base station gateway and the pico-base station core network is in an activated state at the same time, data interaction can be normally performed, the communication connection in the non-activated state cannot perform data interaction, and data interaction can be performed after confirmation information needs to be sent for activation.
Optionally, a communication connection may not be established between the prepared skin base station gateway 13 and the skin base station core network 14, and when the working state of the main skin base station gateway 12 is abnormal and needs to be switched, a communication connection is established between the prepared skin base station gateway 13 and the skin base station core network 14.
The pico base station 11 is used for detecting the working state of the master pico base station gateway 12 and performing communication data interaction with the pico base station core network 14 through the master pico base station gateway 12 under the condition that the working state of the master pico base station gateway 12 is a normal state; the system comprises a main-leather base station gateway 13 used for detecting the working state of the main-leather base station gateway 12 and activating the communication connection with a leather base station core network 14 under the condition that the working state of the main-leather base station gateway 12 is an abnormal state, and a leather base station 11 used for carrying out communication data interaction with the leather base station core network 14 through the leather base station gateway 13 under the condition that the working state of the main-leather base station gateway 12 is an abnormal state.
Optionally, the pico-base station 11 determines the working state of the master pico-base station gateway 12 according to data received by the communication connection between the pico-base station 11 and the master pico-base station gateway 12, and if the working state of the master pico-base station gateway 12 is normal, the pico-base station 11 performs data interaction through the communication connection with the master pico-base station gateway 12, and then the master pico-base station gateway 12 forwards the data to the pico-base station core network 14. In order to ensure the reliability of the operation of the pico-cell gateway, the pico-cell gateway 13 may detect the operating state of the master pico-cell gateway 12 through the communication connection with the master pico-cell gateway, when the operating state of the master pico-cell gateway 12 is detected to be abnormal, that is, the pico-cell 11 cannot perform communication data interaction with the pico-cell core network 14 through the master pico-cell gateway 12 at this time, the pico-cell gateway 13 activates the communication connection with the pico-cell core network 14, so that the pico-cell 11 may continue to perform communication data interaction with the pico-cell core network 14 through the pico-cell gateway 14, and service interruption may not be caused.
In this embodiment, the gateway disaster recovery system includes a pico base station, a main pico base station gateway, a standby pico base station gateway, and a pico base station core network; the system comprises a master base station gateway, a standby base station gateway and a standby base station core network, wherein the master base station gateway, the standby base station gateway and the standby base station gateway are all in communication connection; the system comprises a master-slave base station gateway, a slave-slave base station gateway and a master-slave base station core network, wherein the master-slave base station gateway is used for detecting the working state of the master-slave base station gateway and then performing communication data interaction with the slave-slave base station core network through the master-slave base station gateway under the condition that the working state of the master-slave base station gateway is detected to be a normal state; and the skin-sparing base station gateway is used for detecting the working state of the main skin base station gateway and activating the communication connection with the skin base station core network under the condition that the working state of the main skin base station gateway is an abnormal state, and at the moment, the skin base station is also used for carrying out communication data interaction with the skin base station core network through the skin-sparing base station gateway under the condition that the working state of the main skin base station gateway is an abnormal state. Through the mode, in the communication process, the standby leather base station gateway detects the working state of the main leather base station gateway in real time, when the main leather base station gateway is abnormal, the standby leather base station gateway activates the communication connection with the core network of the leather base station, so that the leather base station can perform communication data interaction with the core network of the leather base station through the standby leather base station gateway.
In one embodiment, as shown in fig. 2, the communication connection established by the pico base station 11 with the main pico base station gateway 12 and the standby pico base station gateway 13 includes an IPSec tunnel and a first S1 connection; the pico base station 11 is configured to transmit user plane data and signaling plane data of the terminal through the IPSec tunnel; and the pico base station 11 is used for transmitting the signaling plane data of the pico base station through the first S1 connection.
Wherein, the IPSec tunnel between the pico base station 11 and the main pico base station gateway 12 is used for encrypting and transmitting data between the pico base station 11 and the main pico base station gateway 12, and the IPSec tunnel between the pico base station 11 and the preserved skin base station gateway 13 is used for encrypting and transmitting data between the pico base station 11 and the preserved skin base station gateway 13, and the data may include: IPSec heartbeat, SCTP heartbeat and S1 establishing connection information, signaling plane and user plane data between the terminal and the core network of the pico-base station.
The first S1 connection between the pico base station 11 and the main pico base station gateway 12 is used for transmitting signaling plane data between the pico base station 11 and the main pico base station gateway 12, and the first S1 connection between the pico base station 11 and the standby pico base station gateway 13 is used for transmitting signaling plane data between the pico base station 11 and the standby pico base station gateway 13. The pico base station 11 registers to the pico base station gateway through the first S1 connection establishment signaling procedure to complete cell establishment, and then may provide a wireless coverage service for a terminal connected to the pico base station 11.
Optionally, the pico-cell 11 establishes a communication connection with the master pico-cell gateway 12 and the stand-by cell gateway 13, and meanwhile, priorities of the master pico-cell gateway 12 and the stand-by cell gateway 13 are configured, where the priorities are expressed by using weight values, and the higher the weight values are, the higher the priority is, or when the first S1 connection is established, the master pico-cell gateway 12 and the stand-by cell gateway 13 send corresponding weight values to the pico-cell 11, and the pico-cell 11 determines the priorities of the master pico-cell gateway 12 and the stand-by cell gateway 13 according to the weight values, and can select the pico-cell gateway with the higher priority to forward data. For example, the master-pico base station gateway 12 sends a weight value of 100 to the pico base station 11, and the standby-pico base station gateway 13 sends a weight value of 1 to the pico base station 11, at this time, the pico base station 11 preferentially selects the master-pico base station gateway 12 with an access weight value of 100.
In the above embodiment, the pico-base station, the main pico-base station gateway and the stand-by base station gateway establish the IPSec tunnel and the first S1 connection at the same time, so that when the main pico-base station gateway fails, the connection can be quickly switched to the stand-by base station gateway without reestablishing the IPSec tunnel and the first S1 connection with the stand-by base station gateway, thereby realizing the quick recovery of the terminal service connected with the pico-base station.
Optionally, please continue to refer to fig. 2, the pico-base station 11 interacts heartbeat messages with the master pico-base station gateway 12 and the standby pico-base station gateway 13 through the IPSec tunnel; and the pico-base station 11 is configured to detect whether the working states of the master pico-base station gateway 12 and the pico-base station gateway 13 are normal states according to the heartbeat messages of the master pico-base station gateway 12 and the pico-base station gateway 13.
The pico base station 11 sends a heartbeat detection message to the main pico base station gateway 12 and the standby pico base station gateway 13 through the IPSec tunnel at the same time, and determines whether the respective working states of the main pico base station gateway 12 and the standby pico base station gateway 13 are normal by detecting the heartbeat information of the main pico base station gateway 12 and the heartbeat information of the standby pico base station gateway 13, when the pico base station 11 detects the normal state of the main pico base station gateway 12, the signaling plane and the user plane data of the terminal are forwarded through the main pico base station gateway 12, and when the pico base station 11 detects the abnormal state of the main pico base station gateway 12, the signaling plane and the user plane data of the terminal are immediately switched to the standby pico base station gateway 13 for forwarding, and the specific flow is as shown in fig. 3. Optionally, when the pico-base station 11 performs forwarding processing through the femto-base station gateway 13, if it is detected that the working state of the main pico-base station gateway 12 returns to normal at this time, the pico-base station 11 may determine whether to perform gateway switching according to the priority of the main pico-base station gateway 12 and the femto-base station gateway 13 described above.
In the above embodiment, the pico-base station detects the operating states of the main pico-base station gateway and the standby pico-base station gateway according to the heartbeat information, and can quickly perform the switching of the gateways when an abnormality occurs.
In one embodiment, the master base station gateway 12 and the stand-by base station gateway 13 each include a security gateway and a signaling gateway; IPSec tunnels are established between the pico base station 11 and security gateways in the main pico base station gateway 12 and the preserved pico base station gateway 13; the pico base station 11 establishes a first S1 connection with signaling gateways in the master pico base station gateway 12 and the stand-by pico base station gateway 13.
Optionally, the main pico-base station gateway 12 and the preserved pico-base station gateway 13 both include a pico-base station security gateway and a pico-base station signaling gateway, the main pico-base station security gateway and the preserved pico-base station security gateway respectively establish an IPsec tunnel with the pico-base station 11 for forwarding user plane data of a terminal connected to the pico-base station 11, and the main pico-base station signaling gateway and the preserved pico-base station signaling gateway respectively establish a first S1 connection with the pico-base station 11 for converging signaling of the pico-base station 11 and forwarding the signaling plane data to a pico-base station core network.
In one embodiment, the master and stand-by base station gateways establish a second S1 connection with the pico base station core network using the same cell parameters.
In the wireless communication technology, an air interface defines a wireless transmission specification between terminal equipment and network equipment, cell parameters include main wireless network parameters on the air interface, and a base station can work in an optimal state by reasonably configuring the cell parameters, so that resources of the whole system are reasonably utilized. The same cell parameters are adopted by the main and standby gateway of the pico-cell base station, so that the demand on cell parameter resources of a core network of the pico-cell base station can be reduced when the gateway of the pico-cell base station is newly built, and the parameters of an aerial interface cell can not be changed when the gateway of the main and standby pico-cell base stations is switched.
In the above embodiment, since the master and standby pico-base station gateways use the same cell parameter, it is avoided that the pico-base station gateway affects the wireless handover index during handover, and the change of the cell parameter affects the wireless air interface, thereby affecting the current network service.
In one embodiment, as shown in fig. 4, both the master femto-gateway 12 and the standby femto-gateway 13 establish a second S1 connection with the femto-core 14, and when the operating status of the master femto-gateway 12 is normal, the second S1 connection between the standby femto-gateway 13 and the femto-core 14 is inactive.
Optionally, the main-pico base station gateway 12 and the pre-pico base station gateway 13 may use the same cell parameter, and when the working state of the main-pico base station gateway 12 is the normal state, the second S1 connection between the main-pico base station gateway 12 and the pico base station core network 14 is the activated state, and at this time, the second S1 connection between the pre-pico base station gateway 13 and the pico base station core network 14 is the inactivated state, that is, at the same time, only one pico base station gateway is connected with the S1 of the pico base station core network and is the activated state.
In the above embodiment, the S1 connection between the gateway of the femto and the core network of the femto is in an inactive state, which can avoid the same cell parameter from conflicting in the core network of the femto.
In an alternative embodiment, the master base station gateway 12 and the stand-by base station gateway 13 are deployed in two different geographical areas.
The main-skin base station gateway and the skin-preserved base station gateway are deployed in different places, namely two sets of skin base station gateway equipment are deployed in machine rooms in different cities, so that the problem that the main-skin base station gateway and the skin-preserved base station gateway are both in failure due to power failure and other failures of the machine rooms in the same place is avoided.
In one embodiment, the master base station gateway 12 and the skincare base station gateway 13 establish a communication connection, and the master base station gateway 12 and the skincare base station gateway 13 may perform interaction of heartbeat messages based on the established communication connection; and the preserved skin base station gateway 13 is configured to detect whether the working state of the master skin base station gateway is a normal state according to the heartbeat message sent by the master skin base station gateway 12, and activate a second S1 connection between the preserved skin base station gateway 13 and the skin base station core network 14 when it is determined that the working state of the master skin base station gateway 12 is an abnormal state.
Optionally, the master base station gateway 12 and the slave base station gateway 13 communicate with each other through an IP network, and perform heartbeat information interaction through the IP network, so as to perform working state detection, and a specific flow is shown in fig. 5.
(1) The main-skin base station gateway 12 and the standby-skin base station gateway 13 adopt the allopatric deployment.
(2) The standby base station gateway 13 detects the working state of the master base station gateway 12 through heartbeat information in real time, if the working state of the master base station gateway 12 is a normal state, the step (3) is executed, and if the working state of the master base station gateway 12 is an abnormal state, the step (4) is executed.
(3) The femto gateway 13 maintains the second S1 connection with the femto core network 14 in an inactive state, and the process ends.
(4) The femto gateway 13 activates the second S1 connection with the femto core network 14, and the process ends.
In the embodiment, the operating state of the master-slave base station gateway is detected in real time by the slave-slave base station gateway, so that the fast switching is realized when the master-slave base station gateway fails, and the mode does not need to increase a comprehensive gateway management platform for unified detection and management, thereby having higher efficiency.
In an alternative embodiment, as shown in fig. 6, the gateway disaster recovery system further includes a primary server 61 and a standby server 62; the main server 61 establishes communication connection with the main leather base station gateway 12, and the standby server 62 establishes communication connection with the standby leather base station gateway 13; the main server 61 and the standby server 62 are both used for storing account opening data of the pico base station 11, and the account opening data is used for performing validity authentication when the pico base station 11 establishes an IPSec tunnel with the main pico base station gateway 12 and the standby pico base station 61 gateway 13.
The main server 61 and the standby server 62 may be AAA (Authentication, authorization, accounting, authentication, authorization, and Accounting) servers, and the AAA server is a server capable of processing a user access request, providing Authentication Authorization and account services, and providing services for users with access rights. The main server 51 and the standby server 62 are configured to manage account opening data of the pico-base station, and when the pico-base station 11, the security gateways in the main pico-base station gateway 12 and the standby pico-base station gateway 13 establish the IPSec tunnel in an EAP-KAK manner, perform validity authentication on the IPSec tunnel by using the corresponding account opening data, thereby ensuring security of the system.
Further, with continued reference to fig. 6, the pico-base station gateway 12 establishes a communication connection with the pico-base station gateway 13, and the master pico-base station gateway 12 is configured to periodically synchronize the account opening data stored in the master server 61 to the standby server 62 through the pico-base station gateway 13 through the communication connection with the standby base station gateway 13.
In order to ensure fast handover and fast recovery of terminal services when the pico-base station gateway fails, the user data in the main server 61 and the standby server 62 need to be synchronized in real time. The master base station gateway 12 establishes a communication connection with the standby base station gateway 13, and the master base station gateway 12 periodically synchronizes account opening data stored in the master server 61 to the standby base station gateway 13 through the communication connection and then synchronizes the account opening data to the standby server 62 by the standby base station gateway 13 for storage.
In an optional manner, the master-pico base station gateway 12 and the stand-by base station gateway 13 store account opening data of the pico base station 11, and the account opening data is used for performing validity authentication when the pico base station 11 establishes an IPSec tunnel with the master-pico base station gateway 12 and the stand-by base station gateway 13.
Optionally, the master-pico base station gateway 12 and the stand-by base station gateway 13 may also be configured to store and manage account opening data of the pico base station 11, and when the pico base station 11 establishes the IPSec tunnel in an EAP-KAK manner with security gateways in the master-pico base station gateway 12 and the stand-by base station gateway 13, perform legitimacy authentication and authentication on the IPSec tunnel by using the corresponding account opening data, so as to ensure security of the system.
Further, the master base station gateway 12 establishes a communication connection with the standby base station gateway 13, and the master base station gateway 12 is configured to periodically synchronize the account opening data stored in the master base station gateway 12 to the standby base station gateway 13 through the communication connection with the standby base station gateway 13.
In order to ensure fast switching and fast recovery of terminal services when the pico-cell gateway fails, the user data in the main pico-cell gateway 12 and the backup pico-cell gateway 13 need to be synchronized in real time. The master-pico base station gateway establishes a communication connection with the 12-pico base station gateway 13, and through the communication connection, the master-pico base station gateway 12 periodically synchronizes the stored account opening data to the pico base station gateway 13.
In the embodiment, the account opening data of the pico-cell is managed on the pico-cell gateway, and server hardware equipment does not need to be newly added, so that the cost of the gateway disaster recovery system can be reduced.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (12)
1. A gateway disaster recovery system is characterized in that the gateway disaster recovery system comprises a pico base station, a main pico base station gateway, a standby pico base station gateway and a pico base station core network; the said leather base station and the said main leather base station gateway and the said leather base station gateway have communication connection, the said main leather base station gateway and the said leather base station core network have communication connection, and the communication connection between the said leather base station gateway and the said leather base station core network is in the inactive state under the condition that the working state of the said main leather base station gateway is normal;
the pico base station is used for detecting the working state of the main pico base station gateway and carrying out communication data interaction with the pico base station core network through the main pico base station gateway under the condition that the working state of the main pico base station gateway is a normal state;
the skin-sparing base station gateway is used for detecting the working state of the main skin base station gateway and activating the communication connection between the skin base station core network under the condition that the working state of the main skin base station gateway is an abnormal state, and the skin base station is also used for carrying out communication data interaction with the skin base station core network through the skin-sparing base station gateway under the condition that the working state of the main skin base station gateway is an abnormal state.
2. The gateway disaster recovery system according to claim 1, wherein the communication connection established between the pico base station and the master pico base station gateway and the backup pico base station gateway includes an IPSec tunnel and a first S1 connection;
the pico base station is used for transmitting user plane data and signaling plane data of the terminal through the IPSec tunnel;
and the pico base station is used for transmitting the signaling surface data of the pico base station through the first S1 connection.
3. The gateway disaster recovery system according to claim 2, wherein said pico base station interacts heartbeat messages with said main pico base station gateway and said standby pico base station gateway through said IPSec tunnel;
and the pico base station is used for detecting whether the working states of the main pico base station gateway and the preserved skin base station gateway are normal states or not according to the heartbeat messages of the main pico base station gateway and the preserved skin base station gateway.
4. The gateway disaster recovery system according to claim 2, wherein said primary and backup pico base station gateways each comprise a security gateway and a signaling gateway;
the safety gateways in the pico base station, the main pico base station gateway and the standby pico base station gateway are all provided with the IPSec tunnel;
the first S1 connection is established between the pico-cell and the signaling gateway in the main pico-cell gateway and the standby pico-cell gateway.
5. The gateway disaster recovery system according to claim 1, wherein both of said master and standby gateways establish a second S1 connection with said pico-base core network, and wherein said second S1 connection between said standby gateway and said pico-base core network is inactive when an operating status of said master gateway is normal.
6. The gateway disaster recovery system according to claim 5, wherein said primary pico base station gateway and said stand-by pico base station gateway establish said second S1 connection with said pico base station core network using the same cell parameters.
7. The gateway disaster recovery system according to claim 5, wherein the master base station gateway and the femto base station gateway establish a communication connection, and the master base station gateway and the femto base station gateway can perform interaction of heartbeat messages based on the established communication connection;
and the skin preparation base station gateway is used for detecting whether the working state of the main skin base station gateway is a normal state or not according to the heartbeat message sent by the main skin base station gateway, and activating the second S1 connection between the skin preparation base station gateway and the core network of the skin base station when the working state of the main skin base station gateway is determined to be an abnormal state.
8. The gateway disaster recovery system according to claim 2, wherein said gateway disaster recovery system further comprises a primary server and a backup server;
the main server is in communication connection with the main skin base station gateway, and the standby server is in communication connection with the standby skin base station gateway;
the main server and the standby server are both used for storing account opening data of the pico base station, and the account opening data is used for performing legality authentication when the IPSec tunnel is established between the pico base station and the main pico base station gateway and between the pico base station and the standby base station gateway.
9. The gateway disaster recovery system according to claim 8, wherein the master-pico base station gateway establishes a communication connection with the pico base station gateway, and the master-pico base station gateway is configured to periodically synchronize the account opening data stored in the master server to the backup server through the pico base station gateway through the communication connection with the pico base station gateway.
10. The gateway disaster recovery system according to claim 2, wherein the master and standby gateway base stations store account opening data of the pico base station, and the account opening data is used for performing validity authentication when the pico base station establishes the IPSec tunnel with the master and standby gateway base stations.
11. The gateway disaster recovery system according to claim 10, wherein said primary pico base station gateway establishes a communication connection with said stand-by pico base station gateway, and said primary pico base station gateway is configured to periodically synchronize said account opening data stored in said primary pico base station gateway with said stand-by pico base station gateway through the communication connection with said stand-by pico base station gateway.
12. The gateway disaster recovery system of claim 1 wherein said primary and backup base station gateways are deployed in two different geographical areas.
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