CN102076019A - Load sharing and backup method, device and system - Google Patents
Load sharing and backup method, device and system Download PDFInfo
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- CN102076019A CN102076019A CN2009101098044A CN200910109804A CN102076019A CN 102076019 A CN102076019 A CN 102076019A CN 2009101098044 A CN2009101098044 A CN 2009101098044A CN 200910109804 A CN200910109804 A CN 200910109804A CN 102076019 A CN102076019 A CN 102076019A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
- H04W28/086—Load balancing or load distribution among access entities
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Abstract
The invention discloses a load sharing and backup method, a load sharing and backup device, and a load sharing and backup system. When a communication link is established between a high-level network element and a low-level network element, control plane messages of the low-level network element are accessed from a plurality of interface addresses of the high-level network element so as to solve the problem of interface load sharing and backup with low cost, greatly reduce equipment cost and improves the reliability of an interface board of a base station controller.
Description
Technical field
The present invention relates to moving communicating field, especially relate to interface load sharing and redundancy technique between the mobile communication system network element.
Background technology
The mobile communication system of main flow all has the network element (base station and base station controller) of wireless side and the various network elements of network side on the framework of network at present.
Traditional group net mode as shown in Figure 1 to each base station, generally all has an interface board corresponding with it in this side of base station controller, and an interface board of base station controller can connect tens base stations.The mutual message of base station and base station controller is divided into chain of command message and medium face message, and wherein the chain of command message comprises the various Signalling exchanges of setting up in the conversation procedure, and medium face message comprises the messages such as voice-and-data that transmit after session is set up.
In the prior art, for a base station, medium face message can insert from several interface boards of base station controller appointment, but the chain of command message can only insert on an interface board of base station controller, the problem that exists is when the veneer of being responsible for the chain of command access breaks down, the control that it is connected the base station down will be lost, the mutual of base station and base station controller can not be finished.
For fear of the problems referred to above, prior art generally adopts the active and standby configuration of 1+1 to the interface board of base station controller, but doing so on the one hand causes the cost of equipment to increase substantially, on the other hand, because a large amount of base stations all is to be placed on ungetable position, such as places such as the hilltop or islands, all very high for the requirement of the interface board maintainability of base station controller.
Summary of the invention
Given this, in order to overcome in base station controller and base station when mutual, because of the veneer of being responsible for the chain of command message breaks down, and cause base station controller to lose control to its base station, the invention provides a kind of can the low-cost technology that solves interface load sharing and backup.
In order to address the above problem, one aspect of the present invention provides the method for a kind of load sharing and backup, and this method is when the superior and the subordinate's network element is set up communication link, the chain of command message that makes lower level network element from upper level network element a plurality of interface IP addresses insert.
According to the method for load sharing of the present invention and backup, also comprise of a plurality of interface IP addresses accesses of the medium face message of lower level network element from upper level network element.
Further, lower level network element of the present invention is the base station, and upper level network element is a base station controller.
Further, the method for load sharing of the present invention and backup also comprises: the physical connection state of the interface IP address of base stations detected controller, put into the access address resource pool of medium face message with detecting normal interface IP address; Detect the state of each routed path, put into the access address resource pool of medium face message detecting normal interface IP address.
Further, after the communication link of base station and base station controller was set up, the backup address of one or more addresses as its current access address selected in the base station from interface and Link State resource pool.
Further, the base station is by the HASH algorithm, and perhaps polling mode is selected the backup address of current access address, perhaps preferred access address is specified in each base station.
The present invention provides the device of a kind of load sharing and backup on the other hand, comprises professional and interface IP address selection module, is used to the chain of command message to select different access addresses.
Further, described business and interface IP address module also are used to medium face message to select different access addresses.
Further, also comprise interface and Link State maintenance module, the detection that is used for Link State is safeguarded, is used to detect the physical connection state of interface IP address, puts into the interface and the Link State resource pool of described medium face message with detecting normal interface IP address; Detect the state of each routed path, put into the interface and the Link State resource pool of described medium face message detecting normal interface IP address.
The present invention also provides a kind of communication system, comprises base station and base station controller, and when described base station and described base station controller were set up communication link, the chain of command message of described base station inserted from a plurality of interface IP addresses of described base station controller.
Adopt method, the Apparatus and system of load sharing provided by the present invention and backup, can solve because of the break down base station controller that causes of the veneer of being responsible for the chain of command message and lose control its base station.In addition, because adopted professional and interface IP address choice device, make when the interface board that carries the chain of command message breaks down, can realize backup from other interface board access again, do not need 1+1 active and standby, reduce equipment cost greatly, and improved the reliability of base station controller interface board.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is a networking mode traditional between base station and base station controller;
Fig. 2 is the networking mode between base station of the present invention and base station controller;
Fig. 3 is the method flow schematic diagram of load sharing and backup according to the present invention;
Fig. 4 is according to interface of the present invention and Link State maintenance function schematic diagram;
Fig. 5 is according to business of the present invention and interface IP address selection function schematic diagram;
Fig. 6 is the apparatus structure schematic diagram according to the interface load sharing of the embodiment of the invention and backup.
Embodiment:
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 2 is the networking mode between base station of the present invention and base station controller, as shown in Figure 2, the present invention can both insert from a plurality of (more than or equal to two) interface board of base station controller by medium face message and the chain of command message that makes the base station, thereby when having overcome interface board because of carrying chain of command message and being out of order, make base station controller lose problem, just realized sharing and backing up of load with low-cost to the control of its base station.
Method embodiment
Fig. 3 is the schematic flow sheet of load sharing and backup method according to the present invention.
As shown in Figure 3, may further comprise the steps:
Step 1, the maintenance of interface and Link State, and the normal interface of state is put in the resource pool;
Step 2, professional and interface IP address is selected, and selects the normal interface of state from interface and link circuit resource pond;
After session begins, select all kinds of addresses of this session, and other all kinds of resources, and inform the other side's network element, finish the distribution of Session Resources; Utilize business and the interface IP address selected to carry out service message interaction then; Discharge resource behind the conversation end.
In addition, in the method, step 1 is to realize that by the information in real-time update interface and the Link State resource pool idiographic flow such as Fig. 4 show interface and Link State functional schematic according to the present invention.
As shown in Figure 4, may further comprise the steps:
Whether each network interface of base stations detected control unit interface plate connection status physically is normal: if detect abnormal state, just corresponding interface is removed from resource pool; If it is normal to detect state, then whether this interface is put in the resource pool and goes according to the decision of the state of route.
Whether each routed path is normal when detecting multipath with Routing Protocol, if detect abnormal state, then corresponding interface removed from resource pool; If it is normal to detect state, then this interface is put in the resource pool and goes.
In addition, in the method, the idiographic flow of step 2 such as Fig. 5 show according to business of the present invention and interface IP address selection function schematic diagram.
As shown in Figure 5, may further comprise the steps:
After session is set up, the chain of command message adopts the HASH algorithm, finish each base station and from " professional and interface IP address resource pool ", select relatively-stationary interface board, each different base station can be selected different interface boards by the HASH algorithm and carries the chain of command message, has so just realized the load sharing of interface.
When the Interface status in " professional and interface IP address resource pool " changes, reselect the normal interface board of a state by the HASH algorithm and carry the chain of command message, so just realized the dynamic backup between each interface board.
The selection of above-mentioned chain of command message docking port realizes the interface dynamic backup except adopting the HASH algorithm, can also adopt the polling mode option interface, or to methods such as each base station appointment preferable interface.
After the chain of command message is selected relatively-stationary interface board, medium face message is according to the ability of each interface and the information such as session of having carried in " professional and interface IP address resource pool ", select lighter business of load and interface IP address and carry this session, and upgrade the session information of this interface bearing.
With each address information that chooses, notify the base station by the Signalling exchange of chain of command, the follow-up service address information that will carry base station controller from the media stream message of base station controller is mail in the base station is delivered on the interface board of base station controller correspondence.
Device embodiment
Fig. 6 shows the structural representation of the device of the load sharing of the embodiment of the invention and backup.
As shown in Figure 6, the device of load sharing of the present invention and backup comprises: interface and Link State maintenance module and professional and interface IP address selection module, wherein, interface and Link State maintenance module are used for being responsible for the detection maintenance of Link State, when interface link corresponding state variation, the information in the real-time update " interface and Link State resource pool "; Professional and interface IP address is selected module, is used to finish the selection of chain of command message and medium face message docking port.
In addition, in this device, interface and Link State maintenance module and business and interface IP address select module to connect as carrier by " interface and Link State resource pool ".
In sum, by above description of the invention, chain of command message and medium face message can insert from a plurality of interface boards, and when interface and Link State change, the interface that chain of command message and medium face message use all upgrades thereupon, thereby avoided causing base station serious like this fault out of hand because of the part interface breaks down, the load sharing and the backup of the superior and the subordinate's network element interfaces have been realized, and need not adopt the active and standby configuration of interface board 1+1, when improving the interface board reliability, greatly reduce equipment cost again.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for load sharing and backup is characterized in that, when the superior and the subordinate's network element was set up communication link, the chain of command message of described lower level network element inserted from a plurality of interface IP addresses of described upper level network element.
2. method according to claim 1 is characterized in that, also comprises a plurality of interface IP addresses accesses of the medium face message of described lower level network element from described upper level network element.
3. method according to claim 2 is characterized in that, described lower level network element is the base station, and described upper level network element is a base station controller.
4. method according to claim 3 is characterized in that, also comprises:
Detect the physical connection state of the interface IP address of described base station controller, put into the interface and the Link State resource pool of described medium face message detecting normal interface IP address;
Detect the state of each routed path, put into the interface and the Link State resource pool of described medium face message detecting normal interface IP address.
5. method according to claim 4, it is characterized in that, after the communication link of described base station and base station controller was set up, the backup address of one or more interface IP addresses as its current access address selected in described base station from described interface and Link State resource pool.
6. method according to claim 5 is characterized in that, described base station is by the HASH algorithm, or polling mode selects the backup address of current access address, or preferred access address is specified in each base station.
7. the device of load sharing and backup is characterized in that, comprises professional and interface IP address is selected module, is used to the different access address of chain of command message selection.
8. device according to claim 7 is characterized in that, described business and interface IP address module also are used to medium face message to select different access addresses.
9. according to claim 7 or 8 described devices, it is characterized in that, also comprise interface and Link State maintenance module, be used to detect the physical connection state of interface IP address, put into the interface and the Link State resource pool of described medium face message detecting normal interface IP address;
Detect the state of each routed path, put into the interface and the Link State resource pool of described medium face message detecting normal interface IP address.
10. a communication system comprises base station and base station controller, it is characterized in that, when described base station and described base station controller were set up communication link, the chain of command message of described base station inserted from a plurality of interface IP addresses of described base station controller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101098044A CN102076019A (en) | 2009-11-20 | 2009-11-20 | Load sharing and backup method, device and system |
| PCT/CN2010/076341 WO2011060658A1 (en) | 2009-11-20 | 2010-08-25 | Method, device and system for load sharing and backup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101098044A CN102076019A (en) | 2009-11-20 | 2009-11-20 | Load sharing and backup method, device and system |
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| Publication Number | Publication Date |
|---|---|
| CN102076019A true CN102076019A (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101098044A Pending CN102076019A (en) | 2009-11-20 | 2009-11-20 | Load sharing and backup method, device and system |
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| Country | Link |
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| CN (1) | CN102076019A (en) |
| WO (1) | WO2011060658A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023221031A1 (en) * | 2022-05-19 | 2023-11-23 | Huawei Technologies Co.,Ltd. | Systems and methods to provide network services to user devices |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0616992D0 (en) * | 2006-08-29 | 2006-10-04 | Nokia Corp | Evaluating a communication interface |
| CN101170794A (en) * | 2006-10-28 | 2008-04-30 | 华为技术有限公司 | Access network, access method and base station of mobile communication |
-
2009
- 2009-11-20 CN CN2009101098044A patent/CN102076019A/en active Pending
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2010
- 2010-08-25 WO PCT/CN2010/076341 patent/WO2011060658A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023221031A1 (en) * | 2022-05-19 | 2023-11-23 | Huawei Technologies Co.,Ltd. | Systems and methods to provide network services to user devices |
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| WO2011060658A1 (en) | 2011-05-26 |
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Application publication date: 20110525 |