CN106230742A - Data packet dispatching method and device - Google Patents
Data packet dispatching method and device Download PDFInfo
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- CN106230742A CN106230742A CN201610624707.9A CN201610624707A CN106230742A CN 106230742 A CN106230742 A CN 106230742A CN 201610624707 A CN201610624707 A CN 201610624707A CN 106230742 A CN106230742 A CN 106230742A
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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
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
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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
- H04L47/50—Queue scheduling
- H04L47/56—Queue scheduling implementing delay-aware scheduling
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of data packet dispatching method and device, the method includes: a kind of data packet dispatching method, it is characterised in that including: is analyzed the first packet of terminal requirements scheduling, obtains service delay requirement；First packet is inserted default buffer queue；Before arriving service delay and requiring the corresponding time, the second packet terminal requirements dispatched adds buffer queue；After arriving the time that service delay requirement is corresponding, from buffer queue, obtain the first packet and the second packet and be sent to terminal.Being scheduling to terminal according to the present invention, packet non-immediate, but concentrate after caching and be scheduling, this makes the utilization rate of network be improved.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of data packet dispatching method and device.
Background technology
In existing communication system, people more and more use handheld terminal as the communication browsing webpage, chat
Instrument, compared to viewing the large-data operation such as video, FTP download, browse webpage, chat data transfers the least,
But generic persistence is longer, having certain intermittent, the general requirement of real-time of such business is the highest.
In prior art, base station scheduling mainly consider the wrapping of business, the channel quality of user, history schedule information, with
And service priority etc., the packet that, requirement of real-time little for data volume is the highest, if adjusted according to existing strategy
Degree, then the resource utilization of network will be the lowest, simultaneously for the scene of some high load capacities, can have a strong impact on the body of user
Test, the user in network can be caused what is more to go offline.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of data packet dispatching method and device, to solve packet tune
The problem that during degree, network utilization is low.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem used:
According to an aspect of the present invention, it is provided that a kind of data packet dispatching method, including to terminal requirements scheduling the
One packet is analyzed, and obtains service delay requirement；Described first packet is inserted default buffer queue；Arrive institute
Before stating the time that service delay requirement is corresponding, the second packet described terminal requirements dispatched adds described buffer queue；?
After arriving the time that described service delay requirement is corresponding, from described buffer queue, obtain described first packet and described second
Packet is also sent to described terminal.
Alternatively, aforesaid method, described first packet is identical with the type of described second packet.
Alternatively, aforesaid method, the first packet of terminal requirements scheduling is analyzed, obtains service delay and want
Ask, specifically include: from described first packet, obtain business index, determine described first packet according to described business index
Packet delay, determine described service delay requirement according to described packet delay.
Alternatively, aforesaid method, the first packet of terminal requirements scheduling is analyzed, obtains service delay and want
Ask, specifically include: obtain the service attribute of described first packet, determine that described service delay is wanted according to described service attribute
Ask.
Alternatively, aforesaid method, the first packet of terminal requirements scheduling is analyzed, obtains service delay and want
Ask, specifically include: according to the analysis result of described first packet, and propagation delay time when obtaining described first packet
And/or current transmittability, calculate described service delay requirement.
Alternatively, aforesaid method, it is analyzed at the first packet that terminal requirements is dispatched, obtains service delay and want
Before asking, also include: judge that the data volume of described first packet, whether less than the first predetermined threshold value, and/or judges described the
Whether the requirement of real-time of one packet, less than presetting Second Threshold, performs described first packet when judged result is for being
It is analyzed, obtains service delay requirement.
According to another aspect of the present invention, also provide for a kind of data packet dispatching device, including: analyze module, for end
First packet of end demand dispatch is analyzed, and obtains service delay requirement；First cache module, for by described first number
Default buffer queue is inserted according to bag；Second cache module, before requiring the corresponding time at the described service delay of arrival, will
Second packet of described terminal requirements scheduling adds described buffer queue；Sending module, for arriving described service delay
After requiring the corresponding time, from described buffer queue, obtain described first packet and described second packet and be sent to institute
State terminal.
Alternatively, aforesaid device, described first packet is identical with the type of described second packet.
Alternatively, aforesaid device, described analysis module obtains business index from described first packet, according to described
Business index determines the packet delay of described first packet, determines described service delay requirement according to described packet delay.
Alternatively, aforesaid device, described analysis module obtains the service attribute of described first packet, according to described industry
Business attribute determines described service delay requirement.
Alternatively, aforesaid device, described analysis module is according to the analysis result of described first packet, and obtains institute
Propagation delay time when stating the first packet and/or current transmittability, calculate described service delay requirement.
Alternatively, aforesaid device, also include: judge module, for whether judging the data volume of described first packet
Less than the first predetermined threshold value, and/or judge that the requirement of real-time of described first packet, whether less than presetting Second Threshold, is being sentenced
When disconnected result is for being, described first packet is analyzed by described analysis module, obtains service delay requirement.
According to above technical scheme, it is known that data packet dispatching method and the device of the present invention at least have the advantage that
According to technical scheme, after the service delay of analytical data bag requires, require logarithm according to service delay
Cache according to bag, and be scheduling to terminal after caching to service delay requires the corresponding time；Visible the present invention's
In technical scheme, packet non-immediate are scheduling to terminal, but concentrate after caching and be scheduling, and this makes the profit of network
It is improved by rate.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of data packet dispatching method of the embodiment of the present invention；
Fig. 2 is the flow chart of a kind of data packet dispatching method of the embodiment of the present invention；
Fig. 3 is the flow chart of a kind of data packet dispatching method of the embodiment of the present invention；
Fig. 4 is the block diagram of a kind of data packet dispatching device of the embodiment of the present invention；
Fig. 5 is the block diagram of a kind of data packet dispatching device of the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
In order to make the technical problem to be solved, technical scheme and beneficial effect clearer, clear, below tie
Close drawings and Examples, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
In order to explain the present invention, it is not intended to limit the present invention.
As it is shown in figure 1, one embodiment of the present of invention provides a kind of data packet dispatching method, including:
Step S110, is analyzed the first packet of terminal requirements scheduling, obtains service delay requirement.In this enforcement
In example, in service delay requires the corresponding time, need the first packet is transferred to terminal, to ensure holding smoothly of business
OK.In the present embodiment, after obtaining the first packet, for the analysis identification of packet, can be by the interior biography of packet
Defeated data content, or the data volume size etc. of packet.
Step S120, inserts default buffer queue by the first packet.
Step S130, before arriving service delay and requiring the corresponding time, adds the second packet that terminal requirements is dispatched
Enter buffer queue.In the present embodiment, the time of timing can connect base station (providing the first packet and the second packet) certainly
Time count；Second packet can be the data obtained in the random time before arriving the time that service delay requirement is corresponding
Bag.
Step S140, arrives after service delay requires the corresponding time, obtain from buffer queue the first packet and
Second packet is also sent to terminal.In the present embodiment, after the service delay of analytical data bag requires, want according to service delay
Ask and packet is cached, and be scheduling to terminal after caching to service delay requires the corresponding time.Use this reality
Execute the technical scheme of example, compared with prior art, can at utmost promote the resource utilization of network, improve identical net simultaneously
The business experience of other users under network, and can to a certain degree alleviate the problem that under high load capacity network, user goes offline, save base
The dispatching stood, improves the efficiency of transmission of network.
As in figure 2 it is shown, one embodiment of the present of invention provides a kind of data packet dispatching method, including:
Step S210, it is judged that the data volume of the first packet of terminal requirements scheduling whether less than the first predetermined threshold value, and/
Or judge that the requirement of real-time of the first packet, whether less than presetting Second Threshold, enters step when judged result is for being
S220.In the present embodiment, initial from base station access by terminal, the packet of base station scheduling each for terminal is identified, and sentences
The data volume size of packet of disconnected scheduling, requirement of real-time, this is because after the packet that data volume is little, real-time is low receives
Dispatch immediately, network utilization can be reduced.
Step S220, obtains business index from the first packet, when determining the bag of the first packet according to business index
Prolong, according to propagation delay time when packet delay and acquisition the first packet and/or current transmittability, calculate service delay and want
Ask.The service delay claimed range of packet can define for the delay requirement of different business according to agreement, 23.203 agreements
The 9 class business be given, a kind of QCI (Qos Class Identifier, Qos class letter) of every class business is indexed, often
Class business both defines packet delay (PDB:Packet Delay Budget) requirement, and packet delay here represents packet data package
Maximum delay between UE and core net.The packet delay of corresponding QCI it is referred to during the definition data packet traffic delay requirement of base station,
Get rid of packet from core net (technical scheme of the present embodiment occurs in core net) to the propagation delay time of base station side, be base
Stand scheduling delay requirement.
Step S230, inserts default buffer queue by the first packet.In the present embodiment, if scheduling packet
Data volume is little, requirement of real-time is low, then, in the range of this data packet traffic delay requirement, enter this packet in scheduling caching
Row cache.
Step S240, before arriving service delay and requiring the corresponding time, adds the second packet that terminal requirements is dispatched
Entering buffer queue, the type of the first packet and the second packet is identical.In the present embodiment, it is desirable to the first packet and second
The same user of packet, same to type, be because same type, with the packet of user for same business, can be scheduling in the lump.
Step S250, arrives after service delay requires the corresponding time, obtain from buffer queue the first packet and
Second packet is also sent to terminal.In the present embodiment, the delay requirement scope of business is exceeded when the caching delay of packet
After, this user is put into scheduling queue and is scheduling.
One use scene of the technical scheme of the present embodiment is as follows:
The terminal initial of step 1UE Index (terminal index)=10 accesses, and the T1 moment receives this user data to be dispatched
Bag.
Step 2: identification of base stations goes out this, and packet data amount is little, requirement of real-time is relatively low, enters next step；Otherwise according to just
Normal scheduling strategy is scheduling.
Step 3: index according to business QCI of this packet, obtains the packet delay of this packet according to agreement and requires and be
300ms。
Step 4: get rid of the packet propagation delay time 20ms (assessment that 23.203 agreements provide from core net to base station side
Value), consider further that the transmittability of base station, obtain the service delay of this packet require into
(300-20) × 0.8=224ms.
Step 5: this packet is put into node B cache and caches, in the range of data packet traffic delay requirement, accumulation should
User is with the packet of type.
Step 6: in the T1+224ms moment, puts into scheduling queue by the packet of this user, waits scheduling.
As it is shown on figure 3, one embodiment of the present of invention provides a kind of data packet dispatching method, including:
Step S310, it is judged that the data volume of the first packet of terminal requirements scheduling whether less than the first predetermined threshold value, and/
Or judge that the requirement of real-time of the first packet, whether less than presetting Second Threshold, enters step when judged result is for being
S320。
Step S320, obtains the service attribute of the first packet, determines service delay requirement according to service attribute.In this reality
Executing in example, service attribute includes that type of service etc., data packet traffic delay requirement scope are referred to user to such business
Experience requirements defines, and such as: for web page browsing, the experience requirements that user is general is at least s level (a certain grade), then corresponding
Delay requirement just can be bigger than normal.
Step S330, inserts default buffer queue by the first packet.
Step S340, before arriving service delay and requiring the corresponding time, adds the second packet that terminal requirements is dispatched
Entering buffer queue, the type of the first packet and the second packet is identical.
Step S350, arrives after service delay requires the corresponding time, obtain from buffer queue the first packet and
Second packet is also sent to terminal.
One use scene of the technical scheme of the present embodiment is as follows:
The terminal initial of step 1:UE Index=10 accesses, and the T1 moment receives this user packet to be dispatched.
Step 2: it is little that identification of base stations goes out this packet data amount, and requirement of real-time is relatively low, enters next step；Otherwise according to just
Normal scheduling strategy is scheduling.
Step 3: according to the service attribute of this packet, the service delay defining this packet requires as 200ms.
Step 4: this packet is put into node B cache and caches, in the range of data packet traffic delay requirement, accumulation should
User is with the packet of type.
Step 5: in the T1+200ms moment, puts into scheduling queue by the packet of this user, waits scheduling.
As shown in Figure 4, one embodiment of the present of invention provides a kind of data packet dispatching device, including:
Analyze module 410, the first packet of terminal requirements scheduling is analyzed, obtains service delay requirement.At this
In embodiment, in service delay requires the corresponding time, need the first packet is transferred to terminal, to ensure the suitable of business
Profit performs.In the present embodiment, after obtaining the first packet, for the analysis identification of packet, can be by packet
The data content of interior transmission, or the data volume size etc. of packet.
First cache module 420, inserts default buffer queue by the first packet.
Second cache module 430, before arriving service delay and requiring the corresponding time, the second number that terminal requirements is dispatched
Buffer queue is added according to bag.In the present embodiment, the time of timing can connect base station certainly (provides the first packet and the second number
According to bag) time count；Second packet can be to obtain in the random time before arriving the time that service delay requirement is corresponding
Packet.
Sending module 440, after arriving the time that service delay requirement is corresponding, obtains the first packet from buffer queue
With the second packet be sent to terminal.In the present embodiment, after the service delay of analytical data bag requires, according to service delay
Require packet is cached, and be scheduling to terminal after caching to service delay requires the corresponding time.Use this
The technical scheme of embodiment, compared with prior art, can at utmost promote the resource utilization of network, improve identical simultaneously
The business experience of other users under network, and can to a certain degree alleviate the problem that under high load capacity network, user goes offline, save
The dispatching of base station, improves the efficiency of transmission of network
As it is shown in figure 5, one embodiment of the present of invention provides a kind of data packet dispatching device, including:
Judge module 510, it is judged that whether the data volume of the first packet of terminal requirements scheduling is less than the first predetermined threshold value,
And/or judge that the requirement of real-time of the first packet, whether less than presetting Second Threshold, analyzes module when judged result is for being
520 pairs of the first packets are analyzed, and obtain service delay requirement.In the present embodiment, initial from base station access by terminal, base station
The packet of scheduling each for terminal is identified, it is judged that the data volume size of the packet of scheduling, requirement of real-time, and this is
Because the packet that data volume is little, real-time is low is dispatched after receiving immediately, network utilization can be reduced.
Analyze module 520 from the first packet, obtain business index, determine the bag of the first packet according to business index
Time delay, according to propagation delay time when packet delay and acquisition the first packet and/or current transmittability, calculates service delay
Requirement.The service delay claimed range of packet can define for the delay requirement of different business according to agreement, 23.203 associations
The 9 class business that view is given, a kind of QCI (Qos Class Identifier, Qos class letter) of every class business is indexed,
Every class business both defines packet delay (PDB:Packet Delay Budget) requirement, and packet delay here represents grouped data
Wrap in the maximum delay between UE and core net.When being referred to the bag of corresponding QCI during the definition data packet traffic delay requirement of base station
Prolong, get rid of the packet propagation delay time from core net (technical scheme of the present embodiment occurs in core net) to base station side, i.e.
Delay requirement for base station scheduling.
First cache module 530, inserts default buffer queue by the first packet.In the present embodiment, if dispatched
Packet data amount little, requirement of real-time is low, then in the range of this data packet traffic delay requirement, to this packet scheduling
Caching caches.
Second cache module 540, before arriving service delay and requiring the corresponding time, the second number that terminal requirements is dispatched
According to wrapping and adding buffer queue, the type of the first packet and the second packet is identical.In the present embodiment, it is desirable to the first data
Bag and the second same user of packet, same to type, be because same type, with the packet of user for same business, can be in the lump
It is scheduling.
Sending module 550, after arriving the time that service delay requirement is corresponding, obtains the first packet from buffer queue
With the second packet be sent to terminal.In the present embodiment, the delay requirement model of business is exceeded when the caching delay of packet
After enclosing, this user is put into scheduling queue and is scheduling.
One use scene of the technical scheme of the present embodiment is as follows:
The terminal initial of step 1UE Index (terminal index)=10 accesses, and the T1 moment receives this user data to be dispatched
Bag.
Step 2: identification of base stations goes out this, and packet data amount is little, requirement of real-time is relatively low, enters next step；Otherwise according to just
Normal scheduling strategy is scheduling.
Step 3: index according to business QCI of this packet, obtains the packet delay of this packet according to agreement and requires and be
300ms。
Step 4: get rid of the packet propagation delay time 20ms (assessment that 23.203 agreements provide from core net to base station side
Value), consider further that the transmittability of base station, the service delay obtaining this packet requires as (300-20) × 0.8=224ms.
Step 5: this packet is put into node B cache and caches, in the range of data packet traffic delay requirement, accumulation should
User is with the packet of type.
Step 6: in the T1+224ms moment, puts into scheduling queue by the packet of this user, waits scheduling.
One embodiment of the present of invention provides a kind of data packet dispatching device, including:
Judge module 510, it is judged that whether the data volume of the first packet of terminal requirements scheduling is less than the first predetermined threshold value,
And/or judge that the requirement of real-time of the first packet, whether less than presetting Second Threshold, analyzes module when judged result is for being
520 pairs of the first packets are analyzed, and obtain service delay requirement.
Analyze module 520, obtain the service attribute of the first packet, determine service delay requirement according to service attribute.?
In the present embodiment, service attribute includes that type of service etc., data packet traffic delay requirement scope are referred to user to such
Business experience requires definition, and such as: for web page browsing, the experience requirements that user is general is at least s level (a certain grade), then
Corresponding delay requirement just can be bigger than normal.
First cache module 530, inserts default buffer queue by the first packet.
Second cache module 540, before arriving service delay and requiring the corresponding time, the second number that terminal requirements is dispatched
Adding buffer queue according to bag, the type of the first packet and the second packet is identical.
Sending module 550, after arriving the time that service delay requirement is corresponding, obtains the first packet from buffer queue
With the second packet be sent to terminal.
One use scene of the technical scheme of the present embodiment is as follows:
The terminal initial of step 1:UE Index=10 accesses, and the T1 moment receives this user packet to be dispatched.
Step 2: it is little that identification of base stations goes out this packet data amount, and requirement of real-time is relatively low, enters next step；Otherwise according to just
Normal scheduling strategy is scheduling.
Step 3: according to the service attribute of this packet, the service delay defining this packet requires as 200ms.
Step 4: this packet is put into node B cache and caches, in the range of data packet traffic delay requirement, accumulation should
User is with the packet of type.
Step 5: in the T1+200ms moment, puts into scheduling queue by the packet of this user, waits scheduling.
Illustrate the preferred embodiments of the present invention above by reference to accompanying drawing, not thereby limit to the interest field of the present invention.This
Skilled person, without departing from the scope of the present invention and essence, can have multiple flexible program to realize the present invention, for example as one
The feature of individual embodiment can be used for another embodiment and obtains another embodiment.All institutes within the technology design using the present invention
Any amendment, equivalent and the improvement made, all should be within the interest field of the present invention.
Claims (12)
1. a data packet dispatching method, it is characterised in that including:
First packet of terminal requirements scheduling is analyzed, obtains service delay requirement；
Described first packet is inserted default buffer queue；
Before arriving described service delay and requiring the corresponding time, the second packet described terminal requirements dispatched adds described
Buffer queue；
After arriving the time that the requirement of described service delay is corresponding, from described buffer queue, obtain described first packet and institute
State the second packet and be sent to described terminal.
Method the most according to claim 1, it is characterised in that
Described first packet is identical with the type of described second packet.
Method the most according to claim 1, it is characterised in that the first packet of terminal requirements scheduling is analyzed,
Obtain service delay requirement, specifically include:
Business index is obtained, when determining the bag of described first packet according to described business index from described first packet
Prolong, determine described service delay requirement according to described packet delay.
Method the most according to claim 1, it is characterised in that the first packet of terminal requirements scheduling is analyzed,
Obtain service delay requirement, specifically include:
Obtain the service attribute of described first packet, determine described service delay requirement according to described service attribute.
Method the most according to claim 1, it is characterised in that the first packet of terminal requirements scheduling is analyzed,
To service delay requirement, specifically include:
According to the analysis result of described first packet, and propagation delay time when obtaining described first packet and/or current
Transmittability, calculate described service delay requirement.
Method the most according to any one of claim 1 to 5, it is characterised in that at the first number that terminal requirements is dispatched
It is analyzed according to bag, before obtaining service delay requirement, also includes:
Judge that whether the data volume of described first packet is less than the first predetermined threshold value, and/or judge described first packet
Whether requirement of real-time, less than presetting Second Threshold, performs when judged result is for being to be analyzed described first packet,
Obtain service delay requirement.
7. a data packet dispatching device, it is characterised in that including:
Analyze module, for the first packet of terminal requirements scheduling is analyzed, obtain service delay requirement；
First cache module, for inserting default buffer queue by described first packet；
Second cache module, for, before arriving described service delay and requiring the corresponding time, dispatching described terminal requirements
Second packet adds described buffer queue；
Sending module, for after arriving the time that the requirement of described service delay is corresponding, obtains described from described buffer queue
First packet and described second packet are also sent to described terminal.
Device the most according to claim 7, it is characterised in that
Described first packet is identical with the type of described second packet.
Device the most according to claim 7, it is characterised in that
Described analysis module obtains business index from described first packet, determines described first number according to described business index
According to the packet delay of bag, determine described service delay requirement according to described packet delay.
Device the most according to claim 7, it is characterised in that
Described analysis module obtains the service attribute of described first packet, determines described service delay according to described service attribute
Requirement.
11. devices according to claim 7, it is characterised in that
Described analysis module is according to the analysis result of described first packet, and during transmission when obtaining described first packet
Prolong and/or current transmittability, calculate described service delay requirement.
12. according to the device according to any one of claim 7 to 11, it is characterised in that also include:
Judge module, for judging whether the data volume of described first packet is less than the first predetermined threshold value, and/or judges described
Whether the requirement of real-time of the first packet is less than presetting Second Threshold, and when judged result is for being, described analysis module is to described
First packet is analyzed, and obtains service delay requirement.
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