CN102802206B - A kind of WLAN shunt method and shunting network element - Google Patents
A kind of WLAN shunt method and shunting network element Download PDFInfo
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Abstract
The invention discloses a kind of WLAN (WLAN) shunt method and shunting network element, method includes：Class letter in message of the shunting net member basis from terminal, determine the signing grade of terminal user；The shunt paths that shunting net member matches according to the signing hierarchical selection of terminal user, and transmit the message by selected shunt paths.By the present invention, the implementation complexity and lower deployment cost of WLAN shunt are reduced.
Description
Technical field
The present invention relates to 3rd generation mobile communication technology (3G, 3rd-Generation) network and WLAN (WLAN,
Wireless Local Area Network) between dividing technology, more particularly to a kind of WLAN shunt method and shunting network element.
Background technology
In recent years, with the fast development of 3G intelligent terminals and Operator Specific Service, mobile data flow is presented explosion type and increased
It is long.A large amount of uses of intelligent terminal and data card so that 5% user occupies in mobile network about 50% flow.Separately
Outside, the congestion problems in city center cell are also faced with present, and about 80% data traffic comes from 10% cell site.
Moreover, in some regions, all it is less likely to continue to dispose cell base station from cost or social perspective.And various services are then
Continue need for substantial amounts of bandwidth resources, such as in next three years, video by occupy about 64% mobile data services.
In such a case, it is necessary to found one's way out to alleviate 3G network pressure.In order to handle the growth of flow, such as
Fruit removes extended network capacity using traditional mechanism, it would be desirable to higher investment expense.Therefore, at present mostly using data point
Flow Policy, to ensure that the high-quality service of all users is experienced., can also and WLAN use can both minimize data cost
Operator is set preferably to utilize existing cellular network, then WLAN is become as one of current maximally effective means of 3G data distributions.
So-called shunting (offload), refers to mobile data services from a network migration to other network, the operation
Transparent for user, this is effective key components for reducing network congestion.Such as：Regarded to ensure that paying customer accesses movement
Frequently, in busy urban cells, in network congestion, the video tastes of paying customer will decline；If user accesses this area
The focus in domain, its terminal device will detect wlan network, and be redirected to wlan network, be once connected to wlan network,
The service of user video stream is by smooth migration to wlan network；WLAN is switched to from 3G, is transparent for a user.
Mobile data shunting will reduce investment expense, and by between network balancing traffic demand lift economic effect
Benefit.Operator just expects that disposing data distribution strategy goes solve following congestion point at present：
1st, the core network element that over-burden：Before business reaches core network element, direct routing business to internet,
The load of these network elements is shunted, reduces backhaul (backhaul) cost；The core network element is such as：Gateway GPRS Support Node
(GGSN, Gateway GPRS Support Node), grouped data network gateway (PDN-GW, Packet Data Network
Gateway) etc.；
2nd, congested cell：The user data of shunting congested cell (such as WLAN hot-zones) flow to other accesses.
At present, in order to preferably lift the flexibility of shunt method, third generation partner program (3GPP, The 3rd
Generation Partnership Project) introduce procotol (IP, Internet in version 10 (R10)
Protocol) flow mobility, support at the same time in the network that 3G and WLAN is accessed so that the IP streams of selection are in two kinds of different accesses
Between Seamless Mobile.Shunting mechanism is based on operator's control and Business Stream feature.
As shown in figure 1, the configuration diagram of (3GPP I-WLAN) is interacted for 3GPP, WLAN in the prior art.Generally, move
Employing family can select WLAN access networks to be used for the communication with internet, because WLAN access networks provide high bandwidth, and select
Select Business Stream flow and branch to wlan network from 3G network；When wlan network can not be in use, just use 3G network.In Fig. 1
WLAN access gatewaies (WAG, WLAN Access Gateway), it is responsible for route dealing WLAN access networks and packet data gateway
The data of (PDG, Packet Data Gateway).PDG application service qualities (QoS, Quality of Service) mechanism,
So that operator provides the control based on strategy for different user and type of service；It route the business of dealing message data network.
High-priority service (such as HD video, self-operated business) may use the network of high quality, it is desirable to which few business will use to the greatest extent
The internet of power transmission.
At present, shunting the distributing strategy of gateway mainly includes：
1st, traffic flow types, such as ip voice (VoIP, Voice over Internet Protocol), video, game, number
According to business etc.；
2nd, Business Stream differentiated services code points (DSCP, Differentiated Services Code Point) mark；
3rd, customer location and real-time cell condition；
4th, the specific Flow Policy management of operator.
Therefore, being shut in shunting net needs to provide complicated shunting management, such as which user, equipment, applies in which kind of feelings
Shunted under condition.And in most cases, user is connected to internet by WLAN accesses, it is meant that mobile operator
The control to user is lost, and better service can not be provided the user and data are transmitted and carry out charging.
It can thus be seen that shunting net is shut and is typically based on the granularity of Business Stream and is shunted, it is necessary to identify business at present
Specific Flow Policy management of stream type or Business Stream required service quality category or operator etc., the shunting of Business Stream is carried out according to this
Operation.Existing distributing strategy particle is thinner, and implementation complexity is higher, requires higher to the equipment performance for shunting gateway, deployment
The cost price that gets up is higher.
The content of the invention
In view of this, it is existing to solve it is a primary object of the present invention to provide a kind of WLAN shunt method and shunting network element
The problem of some distributing strategy implementation complexity are higher, require higher to the equipment performance for shunting gateway, and lower deployment cost is higher.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The invention provides a kind of WLAN (WLAN) shunt method, this method includes：
Class letter in message of the shunting net member basis from terminal, determine the signing grade of terminal user；
The shunt paths that the shunting net member matches according to the signing hierarchical selection of terminal user, and press selected shunting road
Transmit the message in footpath.
Class letter in the message of the shunting net member basis from terminal, determine the signing grade of terminal user, root
According to the shunt paths of the signing hierarchical selection matching of terminal user, it is specially：
The message based on signing grade is prestored in the shunting network element and shunts mapping policy table, the mapping policy table
In comprising class letter, signing grade and shunt paths mapping relations；
Class letter of the shunting net member in message, and the mapping policy table, determine the label of terminal user
About grade, and select the shunt paths of matching.
The shunt paths include：Internet is branched to, WLAN anchor points is branched to, branches to Cellular Networks anchor point.
The class letter is：802.1P priority or IP address.
When the class letter is 802.1P priority, this method further comprises：
The terminal is according to the mapping of user's signing grade and default signing grade with transmitting classification logotype (TCID)
Relation, corresponding TCID is selected to carry the access point (AP) for being sent to the terminal in 802.11e messages；
The 802.11e messages are converted to corresponding priority by the AP according to the TCID in the 802.11e messages of reception
802.1P messages, and by the 802.1P messages send to shunting network element；
The shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching.
When the class letter is 802.1P priority, this method further comprises：
The terminal connects according to user's signing grade and default signing grade and virtual AP mapping relations, selection
It is connected to corresponding virtual AP；
The AP is converted to the message of terminal correspondingly according to default virtual AP and the mapping relations of 802.1P priority
The 802.1P messages of priority, and the 802.1P messages are sent to shunting network element；
The shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching.
When the class letter is IP address, this method further comprises：
Terminal sends 802.11 messages to its AP, and network side is carried in message and contracts grade according to user as terminal distribution
IP address；
802.11 messages received are converted into Ethernet message and are sent to AC by the AP；
The AC shunts mapping policy table according to the source IP address in the IP headings of message and message, determines terminal
The signing grade of user, select the shunt paths of matching.
Present invention also offers one kind to shunt network element, including：
Message receiving module, for according to the class letter come in the message of self terminal, determining signing of terminal user etc.
Level；
Diverter module, for the shunt paths matched according to the signing hierarchical selection of terminal user, and press selected shunting
Message described in path transmission.
The shunting network element further comprises：Memory module, for storing the message shunting mapping plan based on signing grade
Sketch form, the mapping relations of class letter, signing grade and shunt paths are included in the mapping policy table；
Accordingly, the message receiving module is further used for, according to the class letter in the message of terminal, and it is described
Mapping policy table, determine the signing grade of terminal user.
The shunt paths include：Internet is branched to, WLAN anchor points is branched to, branches to Cellular Networks anchor point.
The class letter is：802.1P priority or IP address.
A kind of WLAN shunt method provided by the present invention and shunting network element, WLAN points are carried out based on user's signing grade
Stream, it realizes simple and convenient, reduces implementation complexity and cost that shunting net is shut.In addition, in such a shunting mechanism, fortune
Battalion business does not have the control lost to user, can provide the user differentiated services and data transfer according to user's signing type, real
Existing different charging.
Brief description of the drawings
Fig. 1 is the schematic diagram of 3GPP I-WLAN frameworks in the prior art；
Fig. 2 is a kind of flow chart of WLAN shunt method of the present invention；
Fig. 3 is a kind of structural representation for shunting network element of the present invention；
Fig. 4 is the schematic diagram of the WLAN shunt based on user's signing grade in the present invention；
Fig. 5 is the flow chart of the shunt method based on 802.11e in the embodiment of the present invention one；
Fig. 6 is the flow chart of the shunt method based on VAP in the embodiment of the present invention two；
Fig. 7 is the flow chart of IP address-based shunt method in the embodiment of the present invention three.
Embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
A kind of WLAN shunt method provided by the present invention, as shown in Fig. 2 mainly including the following steps that：
Step 201, shunting net member determines signing of terminal user etc. according to the class letter in the message from terminal
Level.
Step 202, the shunt paths that shunting net member matches according to the signing hierarchical selection of terminal user, and by selected point
Flow path transmits the message.
Specifically, the message based on signing grade can be prestored in shunting network element shunts mapping policy table, the mapping
The mapping relations of class letter, signing grade and shunt paths are included in Policy Table；
Class letter of the shunting net member in message, and the mapping policy table, determine signing of terminal user etc.
Level, and select the shunt paths of matching.
In wireless access side and network side, terminal and network can provide the user corresponding etc. according to user's signing grade
The wirelessly access and transport services of level.
Wherein, the shunt paths include：Internet is branched to, WLAN anchor points is branched to, branches to Cellular Networks anchor point.Deng
Level identifies：802.1P priority or IP address.
Corresponding above-mentioned WLAN shunt method, present invention also offers one kind to shunt network element, as shown in figure 3, including：Message connects
Receive module 10, diverter module 20 and memory module 30.
Wherein, message receiving module 10, for according to the class letter come in the message of self terminal, determining terminal user's
Signing grade.Diverter module 20, for the shunt paths matched according to the signing hierarchical selection of terminal user, and by selected point
Flow path transmits the message.Memory module 30, mapping policy table is shunted for storing the message based on signing grade, it is described to reflect
The mapping relations for including class letter, signing grade and shunt paths are penetrated in Policy Table.The message receiving module 10 is according to end
Class letter in the message at end, and the mapping policy table, determine the signing grade of terminal user.
It should be noted that in 3GPP I-WLAN frameworks, Radio Access Controller (AC, Access Control) can
As the shunting network element, to realize the above-mentioned function of shunting network element.And in some applications, access point (AP, Access
Point) and AC is to close set, i.e. conjunction to be located in same network element device, and in this case, the signified shunting network element of the present invention is
Refer to the AC functional modules in the network element device that the conjunction is set.In the follow-up embodiment of the present invention all using the structure that AP and AC set up separately as
Example illustrates, and closes the structure set for AP and AC, it is with AP and the AC structure set up separately in the operation for realize WLAN shunt
Identical.
In addition, in actual applications, class letter can use for the WLAN shunt method of 802.1P priority：It is based on
802.11e shunting or the shunting based on virtual AP (VAP, Virtual Access Point).
Shunting based on 802.11e, it is specially：
Terminal is according to user's signing grade and default signing grade and transmission classification logotype (TCID, Traffic
Category Identifier) mapping relations, select corresponding TCID to carry and be sent to terminal in 802.11e messages
AP；
The 802.11e messages are converted to corresponding priority by AP according to the TCID in the 802.11e messages of reception
802.1P messages, and the 802.1P messages are sent to shunting network element；
Shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching, and by selected
Shunt paths transmission terminal message.
Shunting based on VAP, it is specially：
Terminal is connected to corresponding according to user's signing grade and default signing grade and VAP mapping relations, selection
Virtual AP；
The message of terminal is converted to corresponding priority by AP according to default VAP and the mapping relations of 802.1P priority
802.1P messages, and by 802.1P messages send to shunting network element；
Shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching, and by selected
Shunt paths transmission terminal message.
Class letter is that the WLAN shunt method of IP address is specially：
Terminal sends 802.11 messages to its AP, and network side is carried in message and contracts grade according to user as terminal distribution
IP address；
802.11 messages received are converted into Ethernet message and are sent to AC by AP；
AC shunts mapping policy table according to the source IP address in the IP headings of message and message, determines terminal user
Signing grade, select matching shunt paths, and by selected shunt paths transmission terminal message.
With reference to the WLAN shunt schematic diagram shown in Fig. 4, the embodiment of the shunt method based on 802.11e is carried out in detail
Describe in detail bright.
, it is necessary to which terminal and AP support 802.11e agreements in the shunt method based on 802.11e；And based on 82.11e's
Shunt method can provide difference, it is necessary to fit through 802.11e mechanism in wireless side, terminal and network side for different user
The QoS service of grade.
In the shunt method based on 802.11e, terminal is sending the 802.11e of message according to the signing set meal of user
The class letter of matching signing grade is set in frame head；AP is converted to the class letter in the 802.11e frame heads received
Priority tag in 802.1P messages；After AC receives 802.1P messages, according to the priority tag in 802.1P frame heads, selection
Corresponding shunt paths.As shown in figure 5, the shunting flow based on 802.11e mainly includes the following steps that：
Step 501, AC obtains the message shunting mapping policy table for grade of being contracted based on user from strategic server.The message
Shunt in mapping policy table, include the mapping relations of 802.1P priority, signing grade and shunt paths.
Step 502, during UE start or UE user signings for the first time set meal renewal, user needs the login pipe in terminal
The user's signing grade of oneself is registered on reason software, for being connected to wlan network.
Step 503, UE from strategic server download user contract set meal and 802.11e transmission classification logotype (TCID,
Traffic Category Identifier) mapping table strategy.Mapping table strategy can be by management software from policy service
Device is downloaded.
Step 504, terminal is contracted grade and 802.11e TCID mapping table according to user, select suitable TCID and
802.11e access kind Class Queue, sends 802.11e messages to AP.
Step 505, AP is received by wireless side come from the 802.11e messages of terminal after, according to receiving 802.11e messages
In TCID, 802.11e MAC messages are converted into the 802.1P messages of corresponding priority, are subsequently forwarded to AC.
Step 506, after AC receives 802.1P messages, user's signing grade according to corresponding to 802.1P, suitable point of selection
Flow path sends the message.The shunt paths can be：E-Packet to Cellular Networks anchor point device, or E-Packet to wireless office
Domain net local mobile anchor (W-LMA, WLAN Local Mobility Anchor) is to provide mobile management, or directly forwards
Message is to Internet.
In the present embodiment, 802.11e TCID transmission traffic category is described as follows：
In 802.11e frame heads, TCID occupies 3 bits, shares 8 transmission species, as shown in table 1 below：
Table 1
Can be in 802.11e according to the signing grade of user before terminal transmission 802.11e messages to AP in the present embodiment
TCID selection corresponding to be worth.After AP receives 802.11e messages, 802.11e messages are converted into 802.1P messages, wherein
PRI (owner priority, User Priority) option of 3 bits in 802.1P frame heads be present, the value of this 3 bit comes from
802.11e the TCID in frame head.
It can thus be seen that in an embodiment of the present invention, terminal needs to have following functions：
Installation logs in management software；Download the mapping table strategy of user's signing set meal and 802.11e TCID；Support
802.11e, when sending message, the 802.11e TCID for set meal selection matching of being contracted according to user.
AP needs to have following functions：
Support 802.11e；AP is by 802.11e MAC messages one-to-one mappings to 802.1P messages.
AC needs to have following functions：
Distributing strategy table is obtained from strategic server；Shunted according to 802.1P priority and distributing strategy table.
The present embodiment is based on user's set meal selection distributing strategy, carries out message forwarding；Configured in terminal and AC different
Mapping table, complete the mapping to flow direction according to user's set meal；Select to flow to based on user's set meal, AC complexity can be greatly reduced
Degree and cost；Shunting scheme based on 802.11e, it can realize that the QoS of different user grade is ensured in wireless side.
Below in conjunction with the WLAN shunt schematic diagram shown in Fig. 4, the embodiment of the shunt method based on VAP is carried out in detail
Explanation.
Shunt method based on VAP is, it is necessary to which AP supports VAP setting.AP is arranged to according to the signing set meal grade of user
Corresponding several VAP.According to the signing grade of oneself, VAP corresponding to selection is accessed user.
Multiple VAP are configured on AP, different VAP serves the user of different signing grades, such as：Had any different by providing
Number of users access, bandwidth limitation, the access service such as security mechanism, provide the user different brackets QoS guarantee.
The message received by different VAP, the message of different 802.1P priority will be mapped as by AP；AC receives 802.1P
After message, according to the priority tag in 802.1P frame heads, shunt paths corresponding to selection.
Need to configure several VAP on AP in the method, each VAP serves the user of different signing grades, and this matches somebody with somebody
The process of putting can be realized by AC control management.Shunting flow based on VAP is as shown in fig. 6, mainly include the following steps that：
Step 601, AC obtains the message shunting mapping policy table for grade of being contracted based on user from strategic server.The message
Shunt in mapping policy table, include the mapping relations of 802.1P priority, signing grade and shunt paths.
Step 602, during UE start or UE user signings for the first time set meal renewal, user needs the login pipe in terminal
The user's signing grade of oneself is registered on reason software.
Step 603, UE is connected to corresponding VAP according to user's signing grade, selection.
Step 604, the message received is changed corresponding priority by AP according to the mapping table of VAP and 802.1P priority
802.1P messages, and it is forwarded to AC.
Step 605, after AC receives 802.1P messages, user's signing grade according to corresponding to 802.1P, suitable point of selection
Flow path sends the message.The shunt paths can be：E-Packet to Cellular Networks anchor point device, or E-Packet to W-LMA
To provide mobile management, or directly E-Packet to Internet.
It can thus be seen that in embodiments of the invention, terminal needs to have following functions：
Installation logs in management software；According to the VAP connections of user's signing set meal selection matching.
AP needs to have following functions：
Support VAP；By VAP messages one-to-one mapping to 802.1P messages.
AC needs to have following functions：
Distributing strategy table is obtained from strategic server；Shunted according to 802.1P priority and distributing strategy table.
The present embodiment is based on user's set meal selection distributing strategy, carries out message forwarding；Configured in terminal and AC different
Mapping table, complete the mapping to flow direction according to user's set meal；Select to flow to based on user's set meal, AC complexity can be greatly reduced
Degree and cost；Shunting scheme based on VAP, VAP for different user contract grade provide different classes of secure accessing guarantee,
The Differentiated Services such as bandwidth allocation.
Below in conjunction with the WLAN shunt schematic diagram shown in Fig. 4, the embodiment of IP address-based shunt method is carried out
Describe in detail.As shown in fig. 7, mainly include the following steps that：
Step 701, AC obtains the message shunting mapping policy table for grade of being contracted based on user from strategic server.The message
Shunt in mapping policy table, include the mapping relations of IP address, signing grade and shunt paths.
Step 702, during UE start or UE user signings for the first time set meal renewal, user needs the login pipe in terminal
The user's signing grade of oneself is registered on reason software.Network side can contract grade as in the corresponding number section of terminal distribution according to user
IP address.
Step 703, UE sends 802.11 messages to AP, and the IP address that network side is terminal distribution is carried in message.
Step 704,802.11 messages received are converted into Ethernet message and are sent to AC by AP.
Step 705, after AC receives Ethernet message, source IP address and message shunting in the IP headings of message
Mapping policy table, determine that (the number section scope according to belonging to source IP address determines signing of user etc. for the signing grade of terminal user
Level), and select the shunt paths of matching to send the message.The shunt paths can be：E-Packet to Cellular Networks anchor point device,
Or E-Packet to W-LMA to provide mobile management, or directly E-Packet to Internet.
It should also be noted that, operation that the 802.1P messages in the embodiment of the present invention are realized and function, also can
Substituted and realized using 802.1Q messages, its operating process is identical, and here is omitted.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (11)
- A kind of 1. WLAN WLAN shunt method, it is characterised in that this method includes：Class letter in message of the shunting net member basis from terminal, determine the signing grade of terminal user；The shunt paths that the shunting net member matches according to the signing hierarchical selection of terminal user, and passed by selected shunt paths The defeated message；Wherein, the class letter is 802.1P priority or IP address, when the class letter is 802.1P priority, institute Stating WLAN shunt method includes：Shunting based on 802.11e, or, the shunting based on virtual AP.
- 2. WLAN shunt method according to claim 1, it is characterised in that the shunting net member is according to the message from terminal In class letter, determine the signing grade of terminal user, the shunt paths matched according to the signing hierarchical selection of terminal user, Specially：The message based on signing grade is prestored in the shunting network element and shunts mapping policy table, is wrapped in the mapping policy table Mapping relations containing class letter, signing grade and shunt paths；Class letter of the shunting net member in message, and the mapping policy table, determine signing of terminal user etc. Level, and select the shunt paths of matching.
- 3. WLAN shunt method according to claim 1 or claim 2, it is characterised in that the shunt paths include：Branch to interconnection Net, branch to WLAN anchor points, branch to Cellular Networks anchor point.
- 4. WLAN shunt method according to claim 1 or claim 2, it is characterised in that the class letter is：802.1P priority Or IP address.
- 5. WLAN shunt method according to claim 4, it is characterised in that when the class letter is 802.1P priority, This method further comprises：The terminal is closed according to the mapping of user's signing grade and default signing grade with transmitting classification logotype (TCID) System, corresponding TCID is selected to carry the access point AP for being sent to the terminal in 802.11e messages；The 802.11e messages are converted to corresponding priority by the AP according to the TCID in the 802.11e messages of reception 802.1P messages, and the 802.1P messages are sent to shunting network element；The shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching.
- 6. WLAN shunt method according to claim 4, it is characterised in that when the class letter is 802.1P priority, This method further comprises：The terminal is connected to according to user's signing grade and default signing grade and virtual AP mapping relations, selection Corresponding virtual AP；The AP is converted to the message of terminal corresponding preferential according to default virtual AP and the mapping relations of 802.1P priority The 802.1P messages of level, and the 802.1P messages are sent to shunting network element；The shunting net member is contracted grade according to corresponding to the 802.1P messages, selects the shunt paths of matching.
- 7. WLAN shunt method according to claim 4, it is characterised in that when the class letter is IP address, this method Further comprise：Terminal sends 802.11 messages to its AP, network side is carried in message according to the IP that user's signing grade is terminal distribution Location；802.11 messages received are converted into Ethernet message and are sent to AC by the AP；The AC shunts mapping policy table according to the source IP address in the IP headings of message and message, determines terminal user Signing grade, select matching shunt paths.
- 8. one kind shunting network element, it is characterised in that including：Message receiving module, for according to the class letter that comes in the message of self terminal, determining the signing grade of terminal user；Diverter module, for the shunt paths matched according to the signing hierarchical selection of terminal user, and press selected shunt paths Transmit the message；Wherein, the class letter is 802.1P priority or IP address, when the class letter is 802.1P priority, institute Diverter module is stated, specifically for the shunting based on 802.11e, or, the shunting based on virtual AP.
- 9. network element is shunted according to claim 8, it is characterised in that the shunting network element further comprises：Memory module, use Mapping policy table is shunted in message of the storage based on signing grade, class letter, signing grade are included in the mapping policy table With the mapping relations of shunt paths；Accordingly, the message receiving module is further used for, according to the class letter in the message of terminal, and the mapping Policy Table, determine the signing grade of terminal user.
- 10. network element is shunted according to claim 8 or claim 9, it is characterised in that the shunt paths include：Branch to internet, Branch to WLAN anchor points, branch to Cellular Networks anchor point.
- 11. network element is shunted according to claim 8 or claim 9, it is characterised in that the class letter is：802.1P priority or IP address.
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| CN104754650B (en) * | 2013-12-26 | 2019-02-19 | 华为技术有限公司 | The shunt method and device of network |
| CN106797667A (en) * | 2014-06-30 | 2017-05-31 | 交互数字专利控股公司 | For the network flow mobility of multi connectivity equipment |
| CN105530682B (en) * | 2014-09-30 | 2019-06-18 | 华为技术有限公司 | A kind of terminal access method and relevant device |
| CN104602326B (en) * | 2014-12-25 | 2018-12-11 | 清华大学 | A kind of method and apparatus that user service subdivision is realized based on virtual access point |
| CN111343088B (en) * | 2020-02-21 | 2021-01-29 | 清华大学 | Message transmission method and device, terminal and storage medium |
| CN114978995B (en) * | 2022-05-26 | 2023-07-21 | 新华三技术有限公司 | Message forwarding path selection method and device |
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