CN106888175A - A kind of method for routing of packet, device, router and SDN controllers - Google Patents
A kind of method for routing of packet, device, router and SDN controllers Download PDFInfo
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- CN106888175A CN106888175A CN201510943188.8A CN201510943188A CN106888175A CN 106888175 A CN106888175 A CN 106888175A CN 201510943188 A CN201510943188 A CN 201510943188A CN 106888175 A CN106888175 A CN 106888175A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/803—Application aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2475—Traffic characterised by specific attributes, e.g. priority or QoS for supporting traffic characterised by the type of applications
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a kind of method for routing of packet, device, router and SDN controllers, the method includes：Obtain the packet that user sends；It is route by the packet feeding software definition SDN domain with preset mark or during non-SDN domain will be sent into without the packet of preset mark；Wherein, SDN domain and non-SDN domain are that SDN controllers are divided according to the real-time global network state information for obtaining.The solution of the present invention, SDN domain and non-SDN domain are divided into according to global network state information by network dynamic, only will have specific demand, packet feeding SDN domain i.e. with preset mark, network single-point load is alleviated, Internet resources are rationally make use of, overall network performance is improved.
Description
Technical field
The present invention relates to radio network technique field, more particularly to a kind of method for routing of packet, device,
Router and SDN controllers.
Background technology
The side that software defined network (Software Defined Network, SDN) passes through open network ability
Formula, to build flexible flow scheduling.In SDN, IP packets would generally be by the SDN of concentration
Controller carries out routing decision, because SDN has global network information, therefore can be easily
Network traffics are equably allocated, so as to improve network resource utilization.Wherein, Google uses
SDN technologies carry out the flow scheduling of its data center network, have been realized in network link utilization rate and reach
More than 90%.
However, the important core function of SDN technology is to realize net by the SDN controllers concentrated
On the one hand the allotment of network flow, this mode brings the lifting of network entirety link utilization, but the opposing party
Face there is also an important network performance bottleneck problem, i.e.,：All of flow all will be from a list in network
The SDN controllers of point carry out routing decision, so that network single-point load increases, efficiency step-down.Together
When it is also very high to the processing requirement of SDN controllers.Therefore, generally in small-sized data center's net
In network, can realize that network traffics are allocated with focus utilization SDN controllers, but in a large-scale wide area
In network, the treatment of SDN single-point controllers may turn into bottleneck.
The content of the invention
In order to overcome the above-mentioned problems in the prior art, The embodiment provides a kind of packet
Method for routing, device, router and SDN controllers, network is moved according to global network state information
State is divided into SDN domain and non-SDN domain, only will have specific demand, i.e., with preset mark
Packet feeding SDN domain, alleviates network single-point load, rationally make use of Internet resources, is lifted
Overall network performance.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
According to the one side of the embodiment of the present invention, there is provided a kind of method for routing of packet, including：
Obtain the packet that user sends；
To carry preset mark packet feeding software definition SDN domain or will be without default
The packet of mark is route in sending into non-SDN domain；
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to obtaining in real time
What the global network state information for taking was divided.
Wherein, in such scheme, the idling-resource in the SDN domain is less than the first predetermined threshold value, and
The network bandwidth is less than the second predetermined threshold value；
The idling-resource in the non-SDN domain is more than first predetermined threshold value, or the network bandwidth is more than
Second predetermined threshold value.
Wherein, in such scheme, the packet with preset mark is sent into software definition SDN nets
Network domain is route, specially：
The packet with preset mark is sent to SDN controllers so that the SDN controllers
It is determined that the routing policy of the packet with preset mark, and according to the routing policy described
The packet with preset mark is route in SDN domain.
Wherein, in such scheme, enter during non-SDN domain will be sent into without the packet of preset mark
Walking along the street is by specially：
In the non-SDN domain, according to the original IP roads of the packet without preset mark
It is route by mode.
According to the other side of the embodiment of the present invention, a kind of method for routing of packet is additionally provided, including：
Global network state information is obtained in real time；
SDN domain and non-SDN domain are splitted the network into according to the global network state information,
So that the packet that ingress router will carry preset mark sends the SDN domain or will be without pre-
The packet of bidding note sends to the non-SDN domain and is route.
Wherein, it is described that SDN is splitted the network into according to the global network state information in such scheme
Network domains and non-SDN domain, including：
According to the global network state information, idling-resource in network is less than the first predetermined threshold value and network
Bandwidth is the SDN domain less than the region division of the second predetermined threshold value；
According to the global network state information, by idling-resource in network more than first predetermined threshold value or
The network bandwidth is the non-SDN domain more than the region division of second predetermined threshold value.
Wherein, in such scheme, also include：
Receive the packet with preset mark that the ingress router sends；
It is that the packet with preset mark determines routing policy, and according to the routing policy to carrying
The packet of preset mark is route.
According to the other side of the embodiment of the present invention, a kind of route device of packet is additionally provided, including：
First acquisition module, the packet for obtaining user's transmission；
Sending module, for the packet with preset mark to be sent into software definition SDN domain
Or route during non-SDN domain will be sent into without the packet of preset mark；
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to obtaining in real time
What the global network state information for taking was divided.
Wherein, in such scheme,
The idling-resource in the SDN domain is less than the first predetermined threshold value, and the network bandwidth is pre- less than second
If threshold value；
The idling-resource in the non-SDN domain is more than first predetermined threshold value, or the network bandwidth is more than
Second predetermined threshold value.
Wherein, in such scheme, the sending module includes：
First transmitting element, for the packet with preset mark to be sent into SDN controllers,
So that the SDN controllers determine the routing policy of the packet with preset mark, and according to institute
Routing policy is stated to route the packet with preset mark in the SDN domain.
Wherein, in such scheme, the sending module includes：
Second transmitting element, in the non-SDN domain, according to the institute without preset mark
The original IP routing modes of packet are stated to be route.
According to the other side of the embodiment of the present invention, a kind of router, data described above are additionally provided
The route device of bag.
According to the other side of the embodiment of the present invention, a kind of method for routing of packet is additionally provided, including：
Second acquisition module, for obtaining global network state information in real time；
Division module, for according to the global network state information split the network into SDN domain and
Non- SDN domain so that the packet with preset mark is sent the SDN by ingress router
Domain is route being sent to the non-SDN domain without the packet of preset mark.
Wherein, in such scheme, the division module includes：
First division unit, for according to the global network state information, idling-resource in network being less than
First predetermined threshold value and the network bandwidth are the SDN domain less than the region division of the second predetermined threshold value；
Second division unit, for according to the global network state information, idling-resource in network being more than
First predetermined threshold value or the network bandwidth are described non-more than the region division of second predetermined threshold value
SDN domain.
Wherein, in such scheme, also include：
Receiver module, for receiving the packet with preset mark that the ingress router sends；
Routing module, for determining routing policy for the packet with preset mark, and according to described
Routing policy route to the packet with preset mark.
According to the other side of the embodiment of the present invention, a kind of software definition SDN controllers are additionally provided,
Route device including packet described above.
The beneficial effect of the embodiment of the present invention is：
The method for routing of the packet of the embodiment of the present invention, device, router and SDN controllers, can
Global network state information is obtained in real time, and SDN is splitted the network into according to global network state information
Domain and non-SDN domain, and will carry the packet feeding SDN domain of preset mark, will be without
The packet of predetermined labels sends into non-SDN domain, i.e., according to global network state information by network dynamic
SDN domain and non-SDN domain are divided into, and will only have specific demand, i.e., with preset mark
Packet feeding SDN domain, alleviate network single-point load, rationally make use of Internet resources, carry
Overall network performance is risen.
Brief description of the drawings
Fig. 1 represents the method for routing flow chart of the packet of first embodiment of the invention；
Fig. 2 represents the method for routing flow chart of the packet of second embodiment of the invention；
Fig. 3 represents the structured flowchart of the route device of the packet of third embodiment of the invention；
Fig. 4 represents the structured flowchart of the route device of the packet of fifth embodiment of the invention；
Fig. 5 represents the hybrid network Organization Chart in SDN domain and non-SDN domain in the embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although being shown in accompanying drawing
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure without should be by
Embodiments set forth here is limited.Conversely, there is provided these embodiments are able to be best understood from this
It is open, and can by the scope of the present disclosure it is complete convey to those skilled in the art.
First embodiment
According to the one side of the embodiment of the present invention, there is provided a kind of method for routing of packet, the method,
First, the packet that user sends is obtained；Then, the packet with preset mark is sent into software
Define SDN domain or route during non-SDN domain will be sent into without the packet of preset mark,
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to acquisition in real time
What global network state information was divided.
Therefore, the method for routing of the packet of the embodiment of the present invention, according to global network state information by network
Dynamic is divided into SDN domain and non-SDN domain, only will have specific demand, i.e., with preset mark
Packet feeding SDN domain, alleviate network single-point load, rationally make use of Internet resources, carry
Overall network performance is risen.
As shown in figure 1, the method includes：
Step S11, the packet for obtaining user's transmission；
In the method for routing of the packet of the embodiment of the present invention, network is by SDN controllers according to obtaining in real time
The global network state information for taking is divided for SDN domain and non-SDN domain.Wherein, SDN
The idling-resource of network domains is less than the first predetermined threshold value, and the network bandwidth is less than the second predetermined threshold value, i.e. SDN
The Internet resources of network domains are in short supply or congestion occurs in detail router；The idling-resource in non-SDN domain is big
It is more than second predetermined threshold value, i.e., non-SDN domain in first predetermined threshold value, or the network bandwidth
With enough idling-resource or with enough bandwidth.
Therefore, SDN domain and non-SDN domain in network is not static constant, can be with
When dynamically adjust.
Wherein, the packet for transmitting in a network, it is sometimes necessary in view of safety or service quality (QOS)
Deng specific demand, therefore, these packets needs transfer to the SDN controllers to carry out routing decision, so,
Can identify that such is counted in the routing procedure of packet, receive the ingress router of this kind of packet
According to bag, preset mark is carried in such packet.Certainly, for the packet for not having specific demand,
It is not marked.
Therefore, after an ingress router receives a packet by step S11, according to the number
Whether with preset mark send into which network domains is route, that is, enter determining the packets need according to bag
Enter step S13.
Step S13, the packet feeding software definition SDN domain that will carry preset mark are incited somebody to action
It is route in sending into non-SDN domain without the packet of preset mark.
Wherein, for the packet with preset mark in feeding SDN domain, specifically, entrance road
The packet with preset mark is sent to SDN controllers by device, SDN controllers are pre- for that should carry
The packet for being marked with note determines routing policy, and according to the routing policy for determining to the number with predetermined labels
It is route according to bag.
For the packet without preset mark for sending into non-SDN domain, specifically, entrance route
Device enters according to this in non-SDN domain without the original IP routing modes of packet of preset mark
Walking along the street by.
Therefore, the method for routing of the packet of the embodiment of the present invention, according to global state information come dynamic decision
Whether routing decision is carried out by SDN controllers, generally there are the feelings of enough bandwidth and idling-resource in network
Under condition, needing not move through SDN controllers carries out routing decision, but directly according to original IP routing modes
Carry out, only in the case that network route resource is in short supply or congestion occurs in part route, packet is handed over
Routing decision is carried out by SDN controllers, unnecessary SDN controllers is so greatly reduced for data
The treatment expense of bag, so as to simplify network architecture, improves overall network performance.
Second embodiment
According to the other side of the embodiment of the present invention, a kind of method for routing of packet, the party are additionally provided
Method first, obtains global network state information in real time；Then, according to the global network state information by institute
State network and be divided into SDN domain and non-SDN domain so that ingress router will be with preset mark
Packet send the SDN domain or will be sent to described non-without the packet of preset mark
SDN domain is route.
The method for routing of the packet of the embodiment of the present invention, SDN controllers are according to the real-time global net for obtaining
Network status information, is divided into SDN domain and non-SDN domain, so that entrance by network dynamic
Router only can will have specific demand, i.e., the packet feeding SDN domain with preset mark, subtract
Light network single-point load, rationally make use of Internet resources, improve overall network performance.
As shown in Fig. 2 the method includes：
Step S21, in real time acquisition global network state information.
In SDN, some regions are caused in different regions because user is with the difference of net situation
Idling-resource is more, and some regions Internet resources are in short supply or congestion phenomenon occurs in detail router.Therefore,
In order to improve network transmission efficiency, the Internet resources in the more region of idling-resource can be rationally utilized, so that
Reduce the network burden in Internet resources region in short supply, and then reduce network single-point load.Therefore, in this hair
, it is necessary to obtain the global network state letter of SDN in real time in the method for routing of the packet of bright embodiment
Breath.
Step S23, SDN domain and non-SDN are splitted the network into according to the global network state information
Network domains so that the packet with preset mark is sent the SDN domain or incited somebody to action by ingress router
Sent to the non-SDN domain without the packet of preset mark and route.
Wherein, because the real-time global network state information for obtaining is dynamic change, so according to global net
The SDN domain and non-SDN domain that network status information is divided are also dynamic change.
Specifically, according to the global network state information, by idling-resource in network less than the first default threshold
It is worth and the network bandwidth is the SDN domain less than the region division of the second predetermined threshold value；According to described complete
Office network status information, institute is more than by idling-resource in network more than first predetermined threshold value or the network bandwidth
The region division for stating the second predetermined threshold value is the non-SDN domain.
As shown in figure 5, in SDN domain, each router is controlled by SDN controllers, rather than
SDN domain, then control without SDN controllers.That is, the data in feeding SDN domain
Bag is needed via SDN controller routing decisions, and the packet for sending into non-SDN domain need not be via
SDN controller routing decisions, it is only necessary to carried out according to original IP routing modes.
For specific which packets need feeding SDN domain, which packets need sends into non-SDN
Whether network domains, be with depending on preset mark according to the packet.Specifically, when ingress router connects
After receiving a packet, if the packet is without preset mark, feeding SDN domain, and press
It is route according to the original IP routing modes of the packet without preset mark；If the packet band
There are predetermined labels, then the packet with preset mark is sent to SDN controllers, SDN controls
Device determines the routing policy of the packet with preset mark, and according to the routing policy described
The packet with preset mark is route in SDN domain.
Therefore, the method for routing of the packet of the embodiment of the present invention, the selection that is actually needed according to packet is
It is no to carry out routing decision via SDN controllers, save and line number is all entered by the SDN controllers concentrated
According to the treatment expense of routing decision, router efficiency is improve, and maximise network resource utilization.
3rd embodiment
According to the one side of the embodiment of the present invention, there is provided a kind of route device of packet, such as Fig. 3
Shown, the device 300 includes：
First acquisition module 301, the packet for obtaining user's transmission；
Sending module 303, for the packet with preset mark to be sent into software definition SDN nets
Network domain is route in sending into non-SDN domain without the packet of preset mark；
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to obtaining in real time
What the global network state information for taking was divided.
Alternatively, the idling-resource in the SDN domain is less than the first predetermined threshold value, and the network bandwidth is small
In the second predetermined threshold value；
The idling-resource in the non-SDN domain is more than first predetermined threshold value, or the network bandwidth is more than
Second predetermined threshold value.
Alternatively, the sending module 303 includes：
First transmitting element 3031, for the packet with preset mark to be sent into SDN controls
Device so that the SDN controllers determine the routing policy of the packet with preset mark, and press
The packet with preset mark is route in the SDN domain according to the routing policy.
Alternatively, the sending module 303 includes：
Second transmitting element 3032, in the non-SDN domain, according to without preset mark
The original IP routing modes of the packet route.
Fourth embodiment
According to the other side of the embodiment of the present invention, a kind of router, including above-mentioned 3rd reality are additionally provided
Apply the route device of the packet described in example.
5th embodiment
According to the other side of the embodiment of the present invention, a kind of route device of packet is additionally provided, such as schemed
Shown in 4, the device 400 includes：
Second acquisition module 401, for obtaining global network state information in real time；
Division module 403, for splitting the network into SDN according to the global network state information
Domain and non-SDN domain so that the packet with preset mark is sent the SDN by ingress router
Network domains are route being sent to the non-SDN domain without the packet of preset mark.
That is, the second acquisition module 401 can grasp global network state information, and it is responsible for
The resource informations such as the network link bandwidth in SDN domain and non-SDN domain.It will of course be understood that
, can also be broadcast to for the global network state information of grasp each in network by the second acquisition module 401
Individual network element entity.
For division module 403, that is, the network for being responsible for adjustment SDN domain and non-SDN domain
Range of management.
Alternatively, the division module 403 includes：
First division unit 4031, for according to the global network state information, by idle money in network
Source is less than the first predetermined threshold value and the network bandwidth is the SDN nets less than the region division of the second predetermined threshold value
Network domain；
Second division unit 4032, for according to the global network state information, by idle money in network
Source is institute more than the region division of second predetermined threshold value more than first predetermined threshold value or the network bandwidth
State non-SDN domain.
Alternatively, also include：
Receiver module 405, for receiving the data with preset mark that the ingress router sends
Bag；
Routing module 407, for determining routing policy for the packet with preset mark, and according to
The routing policy route to the packet with preset mark.
Sixth embodiment
According to the other side of the embodiment of the present invention, a kind of SDN controllers are additionally provided, including it is above-mentioned
The route device of the packet described in the 5th embodiment.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For member, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these
Improvements and modifications are also within the scope of the present invention.
Claims (16)
1. a kind of method for routing of packet, it is characterised in that including：
Obtain the packet that user sends；
To carry preset mark packet feeding software definition SDN domain or will be without default
The packet of mark is route in sending into non-SDN domain；
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to obtaining in real time
What the global network state information for taking was divided.
2. the method for claim 1, it is characterised in that
The idling-resource in the SDN domain is less than the first predetermined threshold value, and the network bandwidth is pre- less than second
If threshold value；
The idling-resource in the non-SDN domain is more than first predetermined threshold value, or the network bandwidth is more than
Second predetermined threshold value.
3. method as claimed in claim 2, it is characterised in that the packet of preset mark will be carried
Feeding software definition SDN domain is route, specially：
The packet with preset mark is sent to SDN controllers so that the SDN controllers
It is determined that the routing policy of the packet with preset mark, and according to the routing policy described
The packet with preset mark is route in SDN domain.
4. method as claimed in claim 2, it is characterised in that will be sent without the packet of preset mark
To enter route in non-SDN domain, specially：
In the non-SDN domain, according to the original IP roads of the packet without preset mark
It is route by mode.
5. a kind of method for routing of packet, it is characterised in that including：
Global network state information is obtained in real time；
Software definition SDN domain and non-SDN are splitted the network into according to the global network state information
Network domains so that the packet with preset mark is sent the SDN domain or incited somebody to action by ingress router
Sent to the non-SDN domain without the packet of preset mark and route.
6. method as claimed in claim 5, it is characterised in that described to be believed according to the global network state
Breath splits the network into software definition SDN domain and non-SDN domain, including：
According to the global network state information, idling-resource in network is less than the first predetermined threshold value and network
Bandwidth is the SDN domain less than the region division of the second predetermined threshold value；
According to the global network state information, by idling-resource in network more than first predetermined threshold value or
The network bandwidth is the non-SDN domain more than the region division of second predetermined threshold value.
7. method as claimed in claim 5, it is characterised in that also include：
Receive the packet with preset mark that the ingress router sends；
It is that the packet with preset mark determines routing policy, and according to the routing policy to carrying
The packet of preset mark is route.
8. a kind of route device of packet, it is characterised in that including：
First acquisition module, the packet for obtaining user's transmission；
Sending module, for the packet with preset mark to be sent into software definition SDN domain
Or route during non-SDN domain will be sent into without the packet of preset mark；
Wherein, the SDN domain and the non-SDN domain are SDN controllers according to obtaining in real time
What the global network state information for taking was divided.
9. device as claimed in claim 8, it is characterised in that
The idling-resource in the SDN domain is less than the first predetermined threshold value, and the network bandwidth is pre- less than second
If threshold value；
The idling-resource in the non-SDN domain is more than first predetermined threshold value, or the network bandwidth is more than
Second predetermined threshold value.
10. device as claimed in claim 9, it is characterised in that the sending module includes：
First transmitting element, for the packet with preset mark to be sent into SDN controllers,
So that the SDN controllers determine the routing policy of the packet with preset mark, and according to institute
Routing policy is stated to route the packet with preset mark in the SDN domain.
11. devices as claimed in claim 9, it is characterised in that the sending module includes：
Second transmitting element, in the non-SDN domain, according to the institute without preset mark
The original IP routing modes of packet are stated to be route.
A kind of 12. routers, including the packet as described in claim 8~11 any one route device.
A kind of 13. route devices of packet, it is characterised in that including：
Second acquisition module, for obtaining global network state information in real time；
Division module, for splitting the network into software definition SDN according to the global network state information
Network domains and non-SDN domain so that the packet with preset mark is sent described by ingress router
SDN domain is route being sent to the non-SDN domain without the packet of preset mark.
14. devices as claimed in claim 13, it is characterised in that the division module includes：
First division unit, for according to the global network state information, idling-resource in network being less than
First predetermined threshold value and the network bandwidth are the SDN domain less than the region division of the second predetermined threshold value；
Second division unit, for according to the global network state information, idling-resource in network being more than
First predetermined threshold value or the network bandwidth are described non-more than the region division of second predetermined threshold value
SDN domain.
15. devices as claimed in claim 13, it is characterised in that also include：
Receiver module, for receiving the packet with preset mark that the ingress router sends；
Routing module, for determining routing policy for the packet with preset mark, and according to described
Routing policy route to the packet with preset mark.
A kind of 16. software definition SDN controllers, including the number as described in claim 13~15 any one
According to the route device of bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943188.8A CN106888175A (en) | 2015-12-16 | 2015-12-16 | A kind of method for routing of packet, device, router and SDN controllers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943188.8A CN106888175A (en) | 2015-12-16 | 2015-12-16 | A kind of method for routing of packet, device, router and SDN controllers |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588604A (en) * | 2008-05-21 | 2009-11-25 | 华为技术有限公司 | Method, device and system for ACK signal channel assignment of communication network |
| CN104639450A (en) * | 2013-11-11 | 2015-05-20 | 中国移动通信集团公司 | Data package forwarding control method and device and SDN (software defined network) frame system |
| CN104753791A (en) * | 2013-12-31 | 2015-07-01 | 中国移动通信集团公司 | Data packet processing method, device and system |
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2015
- 2015-12-16 CN CN201510943188.8A patent/CN106888175A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588604A (en) * | 2008-05-21 | 2009-11-25 | 华为技术有限公司 | Method, device and system for ACK signal channel assignment of communication network |
| CN104639450A (en) * | 2013-11-11 | 2015-05-20 | 中国移动通信集团公司 | Data package forwarding control method and device and SDN (software defined network) frame system |
| CN104753791A (en) * | 2013-12-31 | 2015-07-01 | 中国移动通信集团公司 | Data packet processing method, device and system |
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