CN103973590B - A kind of QoS dispatching methods and device - Google Patents
A kind of QoS dispatching methods and device Download PDFInfo
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Abstract
The present invention provides a kind of QoS dispatching methods and device.Methods described includes：Receive the first two layer message；First two layer message is encapsulated as the first multiprotocol label switching MPLS messages；Wherein, the EXP fields and P Tag fields of a MPLS messages carry first service quality Q oS dispatch values and the 2nd QoS dispatch values respectively；QoS scheduling is carried out to a MPLS messages according to the 2nd QoS dispatch values.Technical scheme is while ensureing that end-to-end QoS is secure, it is possible to achieve finer, abundant QoS scheduling strategies.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of QoS dispatching methods and device.
Background technology
QoS (the Quality of of MPLS (Multiprotocol Label Switching, multiprotocol label switching)
Service, service quality) scheduling is to distinguish different according to the corresponding QoS priority of the EXP fields of the tag head of MPLS messages
Data flow carry out QoS scheduling, realize differential service, it is ensured that voice, the low delay of video data stream, low packet loss ratio, it is ensured that net
The high usage of network.
PE (Provider Edge, the service provider edge devices) equipment of MPLS network is preferential by the bit IP of IP messages 3
Level mark is mapped as the EXP fields of MPLS message internal layer MPLS labels.P (Provider, the key road in service provider network
By device) QoS priority of equipment and PE equipment in EXP field of the MPLS network according to internal layer MPLS label carry out it is differentiated
QoS is dispatched, such as：(Weighted Fair Queuing, weighting is public for PQ (Priority Queuing, priority queueing), WFQ
Flat queue), CBQ (Class Based Queuing, class-based queue) etc..In such manner, it is possible to be the same of MPLS network
The different data streams of LSP (Label Switching Path, label switched path) forwardings provide differentiated QoS scheduling.
In MPLS network shown in Fig. 1, MPLS messages are sent to P equipment 12 by PE equipment 11.P equipment 12 may distrust
The priority of the EXP fields in MPLS messages, the priority in modification EXP fields.So, when opposite end PE equipment 13 receives MPLS
It is unreliable according to the QoS dispatch values that EXP fields are parsed, it is possible to be delayed important Business Processing during message.
Additionally, PE equipment 11 and 13 can only realize 8 kinds of QoS scheduling between priority 0-7 according to the EXP fields of 3 bits,
The QoS dispatching requirements of requirements at the higher level cannot be met.
The content of the invention
In view of this, the present invention provides a kind of QoS dispatching methods and device
Specifically, the present invention is achieved through the following technical solutions：
A kind of QoS dispatching methods, methods described includes：
Receive the first two layer message；First two layer message is encapsulated as the first multiprotocol label switching MPLS messages；
Wherein, the EXP fields and P-Tag fields of a MPLS messages carry first service quality Q oS dispatch values and second respectively
QoS dispatch values；
QoS scheduling is carried out to a MPLS messages according to the 2nd QoS dispatch values.
Further, methods described also includes：
Receive the 2nd MPLS messages；Wherein, the EXP fields and P-Tag fields of the 2nd MPLS messages carry respectively
Three QoS dispatch values and the 4th QoS dispatch values；
It is the second two layer message by the 2nd MPLS messages deblocking；
QoS scheduling is carried out to second two layer message according to the 4th QoS dispatch values.
Further, the corresponding QoS scheduling strategies setting described second of message characteristic according to first two layer message
QoS dispatch values.
Further, QoS scheduling is carried out to a MPLS messages according to the 2nd QoS dispatch values includes：
The first MPLS messages are sent into the corresponding scheduling queue of the 2nd QoS dispatch values and/or according to described the
Two QoS dispatch values re-flag the priority of a MPLS messages.
Further, QoS scheduling is carried out to second two layer message according to the 4th QoS dispatch values includes：
Second two layer message is sent into the corresponding scheduling queue of the 4th QoS dispatch values and/or according to described the
Four QoS dispatch values re-flag the priority of second two layer message.
A kind of QoS dispatching devices, described device includes：
First receiving unit, for receiving the first two layer message；
Encapsulation unit, for first two layer message to be encapsulated as into the first multiprotocol label switching MPLS messages；Wherein,
The EXP fields and P-Tag fields of the first MPLS messages carry first service quality Q oS dispatch values respectively and the 2nd QoS is adjusted
Angle value；
First scheduling unit, for carrying out QoS scheduling to a MPLS messages according to the 2nd QoS dispatch values.
Further, described device also includes：
Second receiving unit, for receiving the 2nd MPLS messages；Wherein, the EXP fields and P- of the 2nd MPLS messages
Tag fields carry the 3rd QoS dispatch values and the 4th QoS dispatch values respectively；
Deblocking unit, for being the second two layer message by the 2nd MPLS messages deblocking；
Second scheduling unit, for carrying out QoS scheduling to second two layer message according to the 4th QoS dispatch values.
Further, the encapsulation unit, specifically for the corresponding QoS of message characteristic according to first two layer message
Scheduling strategy sets the 2nd QoS dispatch values.
Further, first scheduling unit carries out QoS tune according to the 2nd QoS dispatch values to a MPLS messages
Degree includes：The first MPLS messages are sent into the corresponding scheduling queue of the 2nd QoS dispatch values and/or according to described second
QoS dispatch values re-flag the priority of a MPLS messages.
Further, second scheduling unit is carried out according to the 4th QoS dispatch values to second two layer message
QoS scheduling includes：Second two layer message is sent into the corresponding scheduling queue of the 4th QoS dispatch values and/or according to institute
State the priority that the 4th QoS dispatch values re-flag second two layer message.
By above description as can be seen that the present invention using P-Tag the insides in L2VPN networkings act on the field degenerated come
QoS dispatch values are carried, while ensureing that end-to-end QoS is secure, it is possible to achieve finer, abundant QoS scheduling strategies.
Brief description of the drawings
Fig. 1 is L2VPN networking schematic diagrams；
Fig. 2 is the schematic flow sheet of QoS dispatching methods in one embodiment of the present invention；
Fig. 3 is many queue QoS scheduling schematic diagrames in one embodiment of the present invention；
Fig. 4 is multi-level QoS scheduling schematic diagram in one embodiment of the present invention；
Fig. 5 is the schematic flow sheet of QoS dispatching methods in another embodiment of the present invention；
Fig. 6 is the structural representation of QoS dispatching devices in one embodiment of the present invention.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, right
Scheme of the present invention is described in further detail.
Fig. 2 is refer to, the QoS dispatching methods that the present invention is provided are applied in L2VPN (Layer2Virtual Private
Network, Layer 2 virtual private network) in PE equipment, the method performs following steps in one embodiment of the invention：
Step 201, receives the first two layer message；First two layer message is encapsulated as a MPLS messages；Wherein, institute
The EXP fields and P-Tag fields for stating a MPLS messages carry a QoS dispatch values and the 2nd QoS dispatch values respectively.
Step 202, QoS scheduling is carried out according to the 2nd QoS dispatch values to a MPLS messages.
In the present embodiment, the 2nd QoS scheduling that the PE equipment in MPLS network is carried according to the P-Tag fields of MPLS messages
Value carries out QoS scheduling, even if the QoS dispatch values modification that P equipment on the way carries the EXP fields of the MPLS messages,
The QoS scheduling strategies of PE equipment are not interfered with, it is achieved thereby that QoS transmission end to end is ensured yet.
Specifically, in step 201, the MPLS network shown in Fig. 1 is refer to, PE equipment 11 is being received from CE equipment
After 10 the first two layer message, first two layer message is encapsulated as a MPLS messages and is forwarded in an mpls network.Working as
In preceding technology, PE equipment 11 sets the first of a MPLS messages according to the message characteristic of first two layer message
QoS dispatch values, and a QoS dispatch values are encapsulated into the EXP fields in MPLS message vpn labels.Such as：PE equipment 11
The QoS scheduling of a MPLS messages can be set according to the IP precedence " 000 " of the bit of the first two layer message 3
, then be encapsulated into the corresponding binary number " 000 " of a QoS dispatch values 0 in the EXP fields of 3 bits by value 0.
In the present embodiment, according to user's request, network management personnel can configure QoS scheduling plans in PE equipment 11 and 13
Slightly with the corresponding relation of message characteristic.PE equipment 11 is encapsulated into after the first two layer message is received by a QoS dispatch values
Outside in EXP fields, can also be according to the corresponding QoS scheduling strategies setting described second of the message characteristic of first two layer message
QoS dispatch values, and the 2nd QoS dispatch values are encapsulated into the P-Tag fields in a MPLS messages.
The P-Tag fields are that MPLS messages can encapsulate a field when L2VPN is forwarded.The P-Tag is originally
A label of precisely forwarding is realized in L2VPN, however as updating for technology, current each manufacturer forwards in L2VPN
During message, having needed not rely on the P-Tag can just realize precisely forwarding.The present embodiment design is carried using the P-Tag
2nd QoS dispatch values, so, when a MPLS messages reach PE equipment 13, PE equipment 13 can correspondingly from the P-Tag
The 2nd QoS dispatch values are parsed in field and is accordingly dispatched.Specifically a MPLS messages can be sent into institute
State the corresponding scheduling queue of the 2nd QoS dispatch values and/or the MPLS reports are re-flagged according to the 2nd QoS dispatch values
The priority of text.Wherein, the priority for re-flagging a MPLS messages according to the 2nd QoS dispatch values includes weight
Newly mark EXP fields or dscp field of a MPLS messages etc..It can thus be seen that the present embodiment PE equipment according to
The 2nd QoS dispatch values that the P-Tag fields of MPLS messages are carried carry out QoS scheduling, realize QoS transmission end to end and ensure.
Specifically, the message characteristic of first two layer message is included：Message COS values, IP precedence, message five-tuple
In at least one element etc., the QoS scheduling strategies are included：Multiqueue dispatching, multi-level scheduling etc..Such as, QoS scheduling plan
Omit and the corresponding relation of message characteristic is：A certain source IP address and the corresponding first two layer message priority of a certain source port number are most
Height, corresponding QoS scheduling strategies are that its 2nd QoS dispatch value is 255 in the 1st scheduling queue forwarding；Or：A certain purpose
The corresponding QoS scheduling strategies of first two layer message of MAC Address are that, in the 2nd scheduling queue forwarding, its 2nd QoS dispatch value is
254.Certainly, those skilled in the art can also obtain QoS scheduling strategies according to other features, such as, add in messages
Default field marks QoS scheduling strategies, and the present invention is not particularly limited to this.It should be noted that being set in the present embodiment
The message characteristic of the first QoS dispatch values of message characteristic and setting of the fixed 2nd QoS dispatch values can be with identical, it is also possible to no
Together.
Meanwhile, in the case where PE equipment QoS scheduling strategies are allowed, P-Tag fields can be provided and more be available for encapsulation
The bit of the 2nd QoS dispatch values, and the 2nd QoS dispatch values can be corresponded with QoS scheduling strategies, so this reality
Applying example can provide more QoS scheduling strategies.Specifically, the P-Tag fields are included：
16 bit TPID (Tag Protocol Identifier, tag protocol identifier symbol), typically meeting default identifier is solid
Definite value；
3 bit PRI (Priority)；
1 bit CFI (Canonical Format Indicator, reference format indicating bit), be for identifying MAC Address
It is no to be packaged with identifying form；
12 bit VLAN ID, for the affiliated VLAN numberings of identification message.
Wherein, the present embodiment can utilize the PRI and the VLAN ID of 12 bits of 3 bits in P-Tag fields, combine
The 2nd QoS dispatch values are encapsulated come 15 bits altogether, to realize more QoS scheduling strategies, such as：The scheduling of many queues is needed
Ask.Specifically, P-Tag fields can encapsulate altogether 32768 kinds of the 2nd different QoS dispatch values, and then can at most to that should have
32768 kinds of QoS scheduling strategies.Certainly, in actual applications, may simultaneously need not so many QoS dispatch values, can be according to reality
A part of bit is used to be packaged in needing to choose PRI fields and VLAN id fields.Such as：3 bits of PRI fields
The lowest bit position of position and VLAN id fields, in this manner it is possible to a 2nd different QoS dispatch value is encapsulated, and other bits
Position can retain or with using it for anything else.QoS dispatch values are encapsulated compared to using 3 EXP fields of bit, the present embodiment utilizes P-
The QoS scheduling that Tag fields are more enriched to encapsulate QoS dispatch values to realize.
The present embodiment is described with reference to specific example.For multiqueue dispatching, Fig. 3 is refer to, it is assumed that shown in Fig. 1
MPLS network in each port of PE equipment 11 and 13 can support 64 scheduling of queue, if using PRI fields and
VLAN id fields 15 bits altogether that combine encapsulate the 2nd QoS dispatch values, then can provide 32768 values, convert
For binary number is 0-32767, go to divide according to 64 queues, then the 2nd QoS dispatch values 0-511 can be mapped into queue
1, the 2nd QoS dispatch values 512-1023 is mapped to queue 2 ... by that analogy, and the 2nd QoS dispatch values 32256-32767 is mapped to
Queue 64.If PE equipment 11 receives first two layer message, the message characteristic source MAC of first two layer message：
00-23-5A-15-99-42, corresponding QoS scheduling strategies are scheduled to enter into queue 1, then network manager can be in PE
The QoS scheduling strategies and corresponding 2nd QoS dispatch values of first two layer message are pre-configured with equipment 11 and 13, than
Such as, the 2nd QoS dispatch values are 511.So, when first two layer message is received, PE equipment 11 can just adjust the 2nd QoS
Angle value 511 is encapsulated into PRI the and VLAN ID of a MPLS message P-Tag fields, specifically, 511 correspondence binary numbers 15
Bit is all 1.When a MPLS messages are delivered in PE equipment 13, the PE equipment 13 again from P-Tag PRI and
VLAN id fields parse the 2nd QoS dispatch values 511, check advance configuration, the corresponding QoS of QoS dispatch values 511 scheduling plans
Slightly it is that message is queued up 1, message then is queued up into 1 is forwarded.
Further, the present embodiment also supports multi-level scheduling (HQoS, Hierarchical Quality of
Service).Compared with traditional QoS is dispatched, maximum difference can be that scheduling queue is divided into physics for multi-level QoS scheduling
Rank, logical level, using or multiple scheduling ranks such as business-level, each rank can be flowed using different features
Buret is managed.Assuming that scheduling rank is N, the dispatch value of wherein each rank is respectively：M1、M2、…MN, then can be by P-Tag
15 bits that 3 bit PRI fields and 12 bit VLAN id fields combine are divided into N sections, then by the tune of each rank
Angle value, ... it is encapsulated into successively on N sections of bit.
For multi-level scheduling, Fig. 4 is refer to, it is assumed that PE equipment 11 and 13 all supports 3 grades in the MPLS network shown in Fig. 1
QoS is dispatched, then can be had PRI and VLAN id fields altogether 15 bits and is divided into 3 sections, such as：2 bits of first paragraph, second
1 bit of section, the 3rd section of 12 bits, then first paragraph have 4 values, can be 0-3, second segment has 2 values, can be 0 or
1, the 3rd section has 4096 values.For the 3rd section, 16 teams can also be divided into according to the mode of above-mentioned multiqueue dispatching
Row.It is assumed that there are 130 users CE10 sides, these users are to walk same port to be forwarded in PE equipment 13, wherein before
The Limit Rate of 65 users is 100M, and the Limit Rate of 65 users is 200M afterwards, while respectively having in this forward and backward 65 user
One user is VIP user, and traffic queue's scheduling of VIP user is superior to other 64 users, and this other 64 user is then
It is to be scheduled according to weight proportioning.
According to the implementation method of the present embodiment, the message of the first two layer message that network management personnel sends each user
The corresponding QoS scheduling strategies of feature and its corresponding 2nd QoS dispatch value are configured in PE equipment 11 and 13.When PE equipment 11
When receiving the first two layer message that the VIP user in preceding 65 users sends, according to the message characteristic of first two layer message,
Such as, source IP address 221.221.153.247, it is Limit Rate 100M to search corresponding QoS scheduling strategies, preferential into highest
Level queue is scheduled, and its 2nd QoS dispatch value is that first paragraph is 0, and second segment is 0, and the 3rd section is 255, then PE equipment 11
Each dispatch value is encapsulated into PRI the and VLAN id fields of a MPLS messages respectively, such as, and two ratios high of PRI fields
Special position is used to encapsulate first paragraph QoS dispatch values 0, and the lowest bit position of PRI fields is for encapsulating second segment QoS dispatch values 0, VLAN
Id field is used to encapsulate the 3rd section of QoS dispatch value 255.Then, PE equipment 11 passes through MPLS public networks by a MPLS messages
It is sent to PE equipment 13.And PE equipment 13 is when the message is received, it is 0 that the value of first paragraph is parsed from P-Tag, then allow report
Text enters schedule level one, i.e., first carry out the speed limit of 100M, then the QoS dispatch values 0 according to second segment, allows message to carry out the second level
Scheduling, is scheduled into highest-priority queue.It is scheduled because second segment comes into high-priority queue, so just
The 3rd section of scheduling queue need not again be discharged it into.
The QoS dispatching methods that the present embodiment is provided are equally applicable to message and are delivered to CE equipment from MLPS public networks.Refer to
Fig. 5, in another kind embodiment of the invention, the QoS dispatching methods include：
Step 501, receives the 2nd MPLS messages, wherein, the EXP fields and P-Tag fields point of the 2nd MPLS messages
Xie Dai not the 3rd QoS dispatch values and the 4th QoS dispatch values.
Step 502, is the second two layer message by the 2nd MPLS messages deblocking.
Step 503, QoS scheduling is carried out according to the 4th QoS dispatch values to second two layer message.
Fig. 1 is refer to, PE equipment 11 receives the 2nd MPLS messages from MPLS public networks, then by the 2nd MPLS messages
It is the second two layer message to unseal, and according in the 2nd MPLS P-Tag fields carry the 4th QoS dispatch values to described second
Two layer message carries out QoS scheduling, such as：Second two layer message is sent into the corresponding scheduling team of the 4th QoS dispatch values
Arrange and/or re-flagged according to the 4th QoS dispatch values priority of second two layer message.The specific reality of the present embodiment
Existing process may be referred to the description of previous embodiment, will not be repeated here.
By above description as can be seen that the present invention using P-Tag the insides in L2VPN networkings act on the field degenerated come
QoS dispatch values are carried, while ensureing that end-to-end QoS is secure, it is possible to achieve finer, abundant QoS scheduling strategies.
Fig. 6 is refer to, the present invention also provides a kind of QoS dispatching devices 600, applies in L2VPN networkings in PE equipment, institute
Stating QoS dispatching devices 600 includes：First receiving unit 601, encapsulation unit 602, the first scheduling unit 603, the second receiving unit
604th, the scheduling unit 606 of unit 605 and second is unsealed.
Wherein, first receiving unit 601, for receiving the first two layer message
The encapsulation unit 602, for first two layer message to be encapsulated as into the first multiprotocol label switching MPLS reports
Text；Wherein, the EXP fields and P-Tag fields of a MPLS messages carry first service quality Q oS dispatch values and respectively
Two QoS dispatch values.
First scheduling unit 603, for carrying out QoS tune to a MPLS messages according to the 2nd QoS dispatch values
Degree.
Second receiving unit 604, for receiving the 2nd MPLS messages；Wherein, the EXP words of the 2nd MPLS messages
Section and P-Tag fields carry the 3rd QoS dispatch values and the 4th QoS dispatch values respectively.
The deblocking unit 605, for being the second two layer message by the 2nd MPLS messages deblocking；
Second scheduling unit 606, for being carried out to second two layer message according to the 4th QoS dispatch values
QoS is dispatched.
Further, the encapsulation unit 602, it is corresponding specifically for the message characteristic according to first two layer message
QoS scheduling strategies set the 2nd QoS dispatch values.
Further, first scheduling unit 603 is carried out according to the 2nd QoS dispatch values to a MPLS messages
QoS scheduling includes：The first MPLS messages are sent into the corresponding scheduling queue of the 2nd QoS dispatch values and/or according to institute
State the priority that the 2nd QoS dispatch values re-flag a MPLS messages.
Further, second scheduling unit 606 enters according to the 4th QoS dispatch values to second two layer message
Row QoS scheduling includes：By second two layer message send into the corresponding scheduling queue of the 4th QoS dispatch values and/or according to
The 4th QoS dispatch values re-flag the priority of second two layer message.
By the description of above example, it will be appreciated by those skilled in the art that the unit in embodiment in device can be closed
And be a unit, it is also possible to it is further split into multiple subelements.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (10)
1. a kind of QoS dispatching methods, it is characterised in that methods described includes：
Receive the first two layer message；First two layer message is encapsulated as the first multiprotocol label switching MPLS messages；Wherein,
The EXP fields and P-Tag fields of the first MPLS messages carry first service quality Q oS dispatch values respectively and the 2nd QoS is adjusted
Angle value；
QoS scheduling is carried out to a MPLS messages according to the 2nd QoS dispatch values；
Wherein, the 2nd QoS dispatch values and a QoS dispatch values are identical or different.
2. method according to claim 1, it is characterised in that methods described also includes：
Receive the 2nd MPLS messages；Wherein, the EXP fields and P-Tag fields of the 2nd MPLS messages carry the 3rd QoS respectively
Dispatch value and the 4th QoS dispatch values；
It is the second two layer message by the 2nd MPLS messages deblocking；
QoS scheduling is carried out to second two layer message according to the 4th QoS dispatch values.
3. method according to claim 1, it is characterised in that
The corresponding QoS scheduling strategies of message characteristic according to first two layer message set the 2nd QoS dispatch values.
4. method according to claim 1, it is characterised in that according to the 2nd QoS dispatch values to a MPLS messages
Carrying out QoS scheduling includes：
The first MPLS messages are sent into the corresponding scheduling queue of the 2nd QoS dispatch values and/or according to the 2nd QoS
Dispatch value re-flags the priority of a MPLS messages.
5. method according to claim 2, it is characterised in that according to the 4th QoS dispatch values to second two layer message
Carrying out QoS scheduling includes：
Second two layer message is sent into the corresponding scheduling queue of the 4th QoS dispatch values and/or according to the 4th QoS
Dispatch value re-flags the priority of second two layer message.
6. a kind of QoS dispatching devices, it is characterised in that described device includes：
First receiving unit, for receiving the first two layer message；
Encapsulation unit, for first two layer message to be encapsulated as into the first multiprotocol label switching MPLS messages；Wherein, it is described
The EXP fields and P-Tag fields of the first MPLS messages carry first service quality Q oS dispatch values and the 2nd QoS dispatch values respectively；
First scheduling unit, for carrying out QoS scheduling to a MPLS messages according to the 2nd QoS dispatch values；
Wherein, the 2nd QoS dispatch values and a QoS dispatch values are identical or different.
7. device according to claim 6, it is characterised in that described device also includes：
Second receiving unit, for receiving the 2nd MPLS messages；Wherein, the EXP fields and P-Tag words of the 2nd MPLS messages
Section carries the 3rd QoS dispatch values and the 4th QoS dispatch values respectively；
Deblocking unit, for being the second two layer message by the 2nd MPLS messages deblocking；
Second scheduling unit, for carrying out QoS scheduling to second two layer message according to the 4th QoS dispatch values.
8. device according to claim 6, it is characterised in that
The encapsulation unit, specifically for the corresponding QoS scheduling strategies setting of message characteristic according to first two layer message
The 2nd QoS dispatch values.
9. device according to claim 6, it is characterised in that
First scheduling unit carries out QoS scheduling to a MPLS messages according to the 2nd QoS dispatch values to be included：Will be described
First MPLS messages send into the corresponding scheduling queue of the 2nd QoS dispatch values and/or according to the 2nd QoS dispatch values again
Mark the priority of a MPLS messages.
10. device according to claim 7, it is characterised in that
Second scheduling unit carries out QoS scheduling to second two layer message according to the 4th QoS dispatch values to be included：Will
Second two layer message sends into the corresponding scheduling queue of the 4th QoS dispatch values and/or according to the 4th QoS dispatch values
Re-flag the priority of second two layer message.
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| CN101127723A (en) * | 2007-09-24 | 2008-02-20 | 中兴通讯股份有限公司 | QoS guarantee method for multi-protocol tag exchange L3 virtual private network |
| CN101494608A (en) * | 2009-03-11 | 2009-07-29 | 杭州华三通信技术有限公司 | Method and apparatus for setting multi-protocol label exchange message priority |
| CN101998413A (en) * | 2009-08-24 | 2011-03-30 | 华为技术有限公司 | Multi-radio frequency forwarding method, base station and system |
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| CN101127723A (en) * | 2007-09-24 | 2008-02-20 | 中兴通讯股份有限公司 | QoS guarantee method for multi-protocol tag exchange L3 virtual private network |
| CN101494608A (en) * | 2009-03-11 | 2009-07-29 | 杭州华三通信技术有限公司 | Method and apparatus for setting multi-protocol label exchange message priority |
| CN101998413A (en) * | 2009-08-24 | 2011-03-30 | 华为技术有限公司 | Multi-radio frequency forwarding method, base station and system |
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