CN101146095A - Method and device for configuring link features based on media independence switching technology - Google Patents
Method and device for configuring link features based on media independence switching technology Download PDFInfo
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- CN101146095A CN101146095A CNA2006101275562A CN200610127556A CN101146095A CN 101146095 A CN101146095 A CN 101146095A CN A2006101275562 A CNA2006101275562 A CN A2006101275562A CN 200610127556 A CN200610127556 A CN 200610127556A CN 101146095 A CN101146095 A CN 101146095A
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Abstract
The invention discloses a method and a device of link configuration based on media and unrelated to switching technique. The key point is: after receiving a MIH configuration request order from a MIH user layer, a MIH layer generates a Link_Configure.request order and sends to a link layer; the Link_Configure.request order includes a configuration parameter set used to control the lower layer link from the MIH_Configure.request. The link layer realizes the link configuration, according to the behavior characteristics of the received order control link layer. When completing the execution, the link layer returns a Link_Configure.confirm order containing the configuration parameters and results to the MIH layer, which returns the received configuration parameters and results to the MIH user layer by a MIH configuration response order.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method and apparatus of the configuration link based on media-independent switching technology.
Background technology
At present, in order to solve the roaming switching problem of mobile subscriber between IEEE 802.3/802.11/802.16/3GPP/3GPP2 system, IEEE 802.21 working groups have been set up, it is responsible for working out public switching framework and is used for wired and wireless IEEE 802 standards (as IEEE 802.3/11/16) and 3G standard, requirement that standard is switched between various criterion and corresponding handover mechanism.
802.21 the purpose of (switching of media-independent) standard development is to provide the handoff procedure between the dissimilar medium, by supporting the switching between the dissimilar medium to strengthen the experience of user to mobile device, target is finally to make mobile device can select the most handy network connection type and seamless switching speech channel automatically when internetwork roaming, and need not user intervention.
802.21 the handoff solution of media-independent introduced and a kind ofly can guarantee professionally between the dissimilar medium to switch successional framework, be seamlessness and the continuity that realizes this switching, need between network element, realize one group of handoff functionality collection.These handoff functionality collection of configuration have just formed a new protocol layer in the mobility management protocol stack of network element, are referred to as switching (MIH, the Media IndependentHandover) protocol layer of media-independent.MIH layer protocol stack provides following service:
1. MIH Event Service (MIH-ES): event classification, event filtering and event report about the dynamic change incident of link characteristics, Link State and link-quality are provided.
2. MIH command service (MIH-CS): provide MIH subscriber management function and control the link behavior relevant with switching and mobility.
3.MIH information service (MIH-IS): the feature of service network and ambient network is provided, and professional details.These information are used for the efficient system access and switch decision.
Figure 1 shows that existing MIH generalized reference model and Service Access point.
The MIH client layer is that the upper strata is to belong to three layers mobile management and application protocol, comprises mobility management protocols such as MIPv4/v6, SIP, 3GPP UL and switchover policy, transmission, application etc.It is connected with the MIH layer by the MIH_SAP interface.
The MIH layer just provides the media independent handoff protocol layer of command service, Event Service and information service, is exactly the link layer of various access networks under the MIH layer, as 802.3,802.11,802.16, the link layer of 3GPP etc.The major function of MIH layer is exactly by Event Service (MIH-ES), command service (MIH-CS) and information service (MIH-IS) provide the handoff functionality (MIHF) with media-independent, and this independence is that to provide unified interface by the lower-layer protocols in the mobility management protocol stack to the upper strata be that the MIH_LINK_SAP interface is realized.The IEEE802.21 standard proposes a general protocol layer as far as possible, so that the processing of upper-layer protocol does not rely on the concrete feature and the characteristic of terminal and wireless network.Certainly, the MIH layer also has the MIH_NMS_SAP interface, to be used for network management system it is managed.
The MIH layer is realized being connected by MIH_LINK_SAP interface and link layer, and link layer then is used for carrying out concrete operation according to the order that receives.
At present, in the prior art, the MIH client layer can send some behaviors that configuring request (MIH_Configure.request) order comes the control protocol low layer to the MIH layer, as dispose some characteristics of particular link layer and low layer, normal mode/battery saving mode, activation/cut out transmitter etc. for example is set.After the MIH layer received this order, it should send the behavior of link configuration threshold value (LinkConfigure Thresholds) order with the configuration low layer to the corresponding link layer, and returns configuration result information for the MIH client layer.
Owing to include link identifier (LinkIdentifier) in the MIH_Configure.request order, thereby the MIH layer knows to send configuration order to which link layer.Particular link layer sends corresponding configuration order, and the parameter of MIH_Configure.request order is passed to this order to finish layoutprocedure.
Referring to Fig. 2, prior art to the description of this function is, after receiving from the MIH_Configure.request order of MIH client layer, the MIH layer will send link configuration threshold value request (Link_Configure_Thresholds.request) order to link layer, and the parameter in the MIH_Configure.request order passed to this order so that link layer is finished configuration operation, after configuration is finished, the link configuration threshold value from link layer that the MIH layer will receive confirms that the parameter of carrying in (Link_Configure_Thresholds.confirm) order sends the MIH client layer to by configuration response (MIH_Configure.confirm) order, to return configuration result information.
The definition of Link Configure Thresholds order is in having the draft standard that is numbered P802-21-D01-09 now:
Link_Configure_Thresholds.request(
LinkParameterList
)
LinkParameterList is the set of parameter, and it comprises the set of following Several Parameters:
1) LinkParameterType: link parameter type, link rate, link error rates, link signal intensity etc.;
2) InitiateActionThreshold: the initial actuating threshold value of link parameter;
3) RollbackActionThreshold: the rollback action threshold value of link parameter;
4) ExecuteActionThreshold: the execution action threshold value of link parameter.
Functional description from its parameter type and this order, Link Configure Thresholds order is to be used for the isoparametric threshold value of the error rate of configuration link, with parameters such as convenient link error rates change and when surpassing threshold value link layer can in time tell the upper strata with these incidents, the upper strata can be made according to these incidents and be switched decision.
Therefore be not difficult to find out, Link Configure Thresholds order and MIH_Configure.request order have diverse function, the former is used for the parameters such as the error rate of configuration link so that link layer can in time report the parameter change events MIH layer and client layer thereof, the latter is used for features such as normal/battery saving mode, emission office of collocation link layer and low layer thereof/open, and that is to say that Link ConfigureThresholds order is not the order of MIH_Configure.request order link corresponding layer.
Regulation according to prior art, when the MIH client layer when the MIH layer sends MIH_Configure.request and orders some characteristic behaviors of control protocol low layer, the MIH layer can send Link Configure Thresholds to link layer and order configuration link threshold parameter mistakenly, causes and the inconsistent consequence of re-set target.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method and apparatus of the configuration link based on media-independent switching technology,, reach this problem of configuration target of expection to solve the behavioural characteristic that correctly to control link layer.
Technical solution of the present invention comprises:
A kind of method of the configuration link based on media-independent switching technology comprises:
The switching MIH layer of media-independent generates the link configuration request command and sends to the corresponding link layer after the MIH configuring request order that receives from the MIH client layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the order of MIH configuring request, passes in the described link configuration request command;
Link layer is realized link configuration according to the behavioural characteristic of the link configuration request command control link layer that receives.
This method further comprises: after link layer is finished, returns the link configuration that comprises configuration parameter and configuration result to the MIH layer and confirm order;
The MIH layer returns to the MIH client layer with configuration parameter and the configuration result that receives by the order of MIH configuration response.
The described configuration parameter set that is used to control low layer link behavioural characteristic comprises: be used to dispose the lower layer entities network type parameter, be used for change equipment with the parameter of power mode, be used to activate/parameter of down interface transmitter, be used to change parameter N ETWORK_ID that interface network identifies, be used for interface IP address change into assigned address parameter, be used to suspend or continue the parameter of specified interface.
Described link configuration request command is the Link_Configure.request order; The order of described MIH configuring request is the MIH_Configure.request order.
Described link configuration confirms that order is the Link_Configure.confirm order; The order of described MIH configure-ack is the MIH_Configure.confirm order.
A kind of realization device for switching based on media-independent switching technology comprises MIH client layer, MIH layer and link layer, wherein,
Described MIH layer also comprises, is used for generating the link configuration request command according to the MIH configuring request order from the MIH client layer that receives, and this link configuration request command is sent to the unit of link layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the order of MIH configuring request, passes in the described link configuration request command;
Described link layer also comprises: be used for the unit according to the link configuration request command control link layer behavioural characteristic that receives.
Described link layer also comprises: after being finished, return the unit that the link configuration that comprises configuration parameter and configuration result is confirmed order to the MIH layer;
Described MIH layer also comprises: be used for the configuration parameter that will receive and configuration result return to the MIH client layer by the order of MIH configuration response unit.
The described configuration parameter set that is used to control low layer link behavioural characteristic comprises: be used to dispose the lower layer entities network type parameter, be used for change equipment with the parameter of power mode, be used to activate/parameter of down interface transmitter, be used to change parameter that interface network identifies, be used for interface IP address change into assigned address parameter, be used to suspend or continue the parameter of specified interface.
The order of described MIH configuring request is MIH_Configure.request; The order of described MIH configure-ack is MIH_Configure.confirm;
Described link configuration request command is Link_Configure.request; Described link configuration confirms that order is Link_Configure.confirm.
Described device is positioned at mobile node, or is positioned at network side.
Key of the present invention is, the MIH layer generates the Link_Configure.request order and sends to link layer after receiving MIH configuring request order from the MIH client layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the order of MIH configuring request, passes in this Link_Configure.request order.Link layer is realized link configuration according to the behavioural characteristic of the command control link layer that receives.After link layer is finished, return the Link_Configure.confirm order that comprises configuration parameter and configuration result to the MIH layer; The MIH layer returns to the MIH client layer with configuration parameter and the configuration result that receives by the order of MIH configuration response.Use the present invention, make when the MIH client layer when MIH layer transmission MIH_Configure.request orders some characteristic behaviors of control protocol low layer, the MIH layer can correctly pass to the characteristic parameter of these configurations Link Configure order, make this order can correctly control the behavior of link layer and low layer thereof, reach the configuration target of expection.Avoided the operation of configuration link threshold parameter mistakenly.
Description of drawings
Fig. 1 is existing MIH generalized reference model and Service Access point;
Fig. 2 is the schematic flow sheet of existing realization link characteristics configuration;
Fig. 3 is a schematic flow sheet of realizing the link characteristics configuration according to an embodiment of the invention.
Embodiment
Thinking of the present invention is: increase link configuration request (Link_Configure.request) order and response command link configuration thereof and confirm (Link_Configure.confirm), make when the MIH client layer when MIH layer transmission MIH_Configure.request orders some characteristic behaviors of control protocol low layer, the MIH layer can correctly pass to the characteristic parameter of these configurations the Link_Configure.request order, can correctly control the behavioural characteristic of link layer by this order, reach the configuration target of expection.
Below in conjunction with drawings and the specific embodiments, the present invention is elaborated again.
Fig. 3 is a schematic flow sheet of realizing the link characteristics configuration according to an embodiment of the invention.
After the MIH layer receives MIH configuring request order (MIH_Configure.request) from the MIH client layer, generate link configuration request (Link_Configure.request) order, this order is sent to link layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the MIH_Configure.request order, passes in this Link_Configure.request order.Owing to include link identifier (LinkIdentifier) in the MIH_Configure.request order, thereby the MIH layer knows to send the Link_Configure.request order that is generated to which link layer.
Order is defined as follows to Link_Configure.request in the present invention:
1) functional description:
This primitive is sent the behavioural characteristic that is used for controlling the low layer link by the MIH function.
2) primitive is described:
The parameter of this primitive is as follows:
Link_Configure.request (
ConfigurationRequestsSets
)
Concrete implication is referring to table 1.
Table 1
| Title | Type | Effective range | Describe |
| Configuration RequestSets | The configuration parameter set of the corresponding interface | N/A | Comprise the set of configuration parameter.Specifically see the following form 2 |
Table 2 link configuration parameter
| Title | Type | Effective range | Describe |
| NETWORK_TYPES_IN_U SE | Integer | 0×01 802.3 0×02 802.11 0×03 802.16 0×04 3GPP 0×05 3GPP2 | The network type of configuration lower layer entities |
| OPERATION_MODE | Integer | 0×00 Normal Mode 0×01 Power Saving Mode 0x02 Power Down | Change equipment use power mode |
| DISABLE_TRANSMITTE R | Boolean | N/A | The transmitter of activation/down interface |
| NETWORK_ID | Character string | N/A | Change the operator logo symbol of interface |
| CURRENT_ADDRESS | Character string | N/A | Interface IP address is changed into designated value |
| SUSPEND_DRIVER | Boolean | N/A | Suspend or continue special interface |
3) produce reason
This primitive is to produce when being received MIH_Configure.request order from the upper strata and being attempted the behavior of control low layer link by the MIH layer, such as some features that low layer drives are set.
4) reception
The recipient of this primitive will respond this order with Link_Configure.confirm primitive.
Link layer is realized link configuration according to the behavioural characteristic of the link configuration request command control link layer that receives.After link layer is finished, returns the link configuration that comprises configuration parameter and configuration result to the MIH layer and confirm; The MIH layer returns to the MIH client layer with configuration parameter and the configuration result that receives by MIH configuration response (MIH_Configure.confirm) order.
The MIH_Configure.confirm order that the MIH layer returns for the MIH client layer is prior art, no longer describes in detail herein.Order is defined as follows to Link_Configure.confirm in the present invention:
1) functional description:
This primitive is the response to Link_Configure.request order primitive.This primitive is used to report the Link Configure configuration result of order.
2) primitive is described:
The parameter of this primitive is as follows:
Link_Configure.confirm(
ConfigurationResponseSets
)
Concrete implication is referring to table 3.
Table 3
| Title | Type | Life type | Describe |
| Configuration- ResponseSets | The set of configuration parameter and their configuration result | N/A | Comprise configuration parameter and their corresponding configuration results' set: configuration parameter, configuration result that is to say that it comprises a parameter, and this parameter is the set of two other element |
3) produce reason:
This primitive is the response to the Link_Configure.request command operation.
4) acceptable effect:
The recipient will report that the result of link configuration gives its upper strata.
The present invention also provides a kind of realization device for switching based on media-independent switching technology simultaneously, comprises MIH client layer, MIH layer and link layer, wherein,
The MIH layer also comprises, is used for generating the link configuration request command according to the MIH configuring request order from the MIH client layer that receives, and this link configuration request command is sent to the unit of link layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the MIH_Configure.request order, passes in the above-mentioned link configuration request command; The link configuration request command is by Link_Configure.request order carrying;
Link layer also comprises: be used for the unit according to the link configuration request command control link layer behavioural characteristic that receives.
Link layer also comprises: after being finished, return the unit that the link configuration that comprises configuration parameter and configuration result is confirmed order to the MIH layer; Link configuration confirms that order is by Link_Configure.confirm order carrying.
The MIH layer also comprises: be used for the configuration parameter that will receive and configuration result return to the MIH client layer by the order of MIH configuration response unit.
The above-mentioned configuration parameter set that is used to control low layer link behavioural characteristic comprises: the parameter (NETWORK_TYPES_IN_USE) that is used to dispose the lower layer entities network type; be used for the parameter (OPERATION_MODE) of change equipment with power mode; be used to activate/parameter (DISABLE_TRANSMITTER) of down interface transmitter; be used to change the parameter (NETWORK_ID) of interface network sign; be used for interface IP address is changed into the parameter (CURRENT_ADDRESS) of assigned address; be used to suspend or continue the parameter (SUSPEND_DRIVER) of specified interface.
Said apparatus both can be positioned at mobile node, also can be positioned at network side.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (10)
1. the method based on the configuration link of media-independent switching technology is characterized in that, comprising:
The switching MIH layer of media-independent generates the link configuration request command and sends to the corresponding link layer after the MIH configuring request order that receives from the MIH client layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the order of MIH configuring request, passes in the described link configuration request command;
Link layer is realized link configuration according to the behavioural characteristic of the link configuration request command control link layer that receives.
2. method according to claim 1 is characterized in that, this method further comprises:
After link layer is finished, returns the link configuration that comprises configuration parameter and configuration result to the MIH layer and confirm order;
The MIH layer returns to the MIH client layer with configuration parameter and the configuration result that receives by the order of MIH configuration response.
3. method according to claim 1 and 2; it is characterized in that the described configuration parameter set that is used to control low layer link behavioural characteristic comprises: be used to dispose the lower layer entities network type parameter, be used for change equipment with the parameter of power mode, be used to activate/parameter of down interface transmitter, be used to change parameter that interface network identifies, be used for interface IP address change into assigned address parameter, be used to suspend or continue the parameter of specified interface.
4. method according to claim 1 is characterized in that, described link configuration request command is the Link_Configure.request order; The order of described MIH configuring request is the MIH_Configure.request order.
5. method according to claim 2 is characterized in that, described link configuration confirms that order is the Link_Configure.confirm order; The order of described MIH configure-ack is the MIH_Configure.confirm order.
6. the realization device for switching based on media-independent switching technology comprises MIH client layer, MIH layer and link layer, it is characterized in that,
Described MIH layer also comprises, is used for generating the link configuration request command according to the MIH configuring request order from the MIH client layer that receives, and this link configuration request command is sent to the unit of link layer; Comprise the configuration parameter set that is used to control low layer link behavioural characteristic that from the order of MIH configuring request, passes in the described link configuration request command;
Described link layer also comprises: be used for the unit according to the link configuration request command control link layer behavioural characteristic that receives.
7. device according to claim 6 is characterized in that,
Described link layer also comprises:
After being finished, return the unit that the link configuration that comprises configuration parameter and configuration result is confirmed order to the MIH layer;
Described MIH layer also comprises: be used for the configuration parameter that will receive and configuration result return to the MIH client layer by the order of MIH configuration response unit.
8. device according to claim 6; it is characterized in that the described configuration parameter set that is used to control low layer link behavioural characteristic comprises: be used to dispose the lower layer entities network type parameter, be used for change equipment with the parameter of power mode, be used to activate/parameter of down interface transmitter, be used to change parameter that interface network identifies, be used for interface IP address change into assigned address parameter, be used to suspend or continue the parameter of specified interface.
9. device according to claim 6 is characterized in that,
The order of described MIH configuring request is MIH_Configure.request; The order of described MIH configure-ack is MIH_Configure.confirm;
Described link configuration request command is Link_Configure.request; Described link configuration confirms that order is Link_Configure.confirm.
10. according to the described device of arbitrary claim in the claim 6 to 9, it is characterized in that described device is positioned at mobile node, or be positioned at network side.
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| CN105765909A (en) * | 2013-06-27 | 2016-07-13 | 华为技术有限公司 | Link switching method and device |
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| CN105765909A (en) * | 2013-06-27 | 2016-07-13 | 华为技术有限公司 | Link switching method and device |
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