CN107426108A - TCP jamming control methods, device and service end - Google Patents
TCP jamming control methods, device and service end Download PDFInfo
- Publication number
- CN107426108A CN107426108A CN201710927883.4A CN201710927883A CN107426108A CN 107426108 A CN107426108 A CN 107426108A CN 201710927883 A CN201710927883 A CN 201710927883A CN 107426108 A CN107426108 A CN 107426108A
- Authority
- CN
- China
- Prior art keywords
- packet
- client
- retransmitted
- data package
- package dropout
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04L47/29—Flow control; Congestion control using a combination of thresholds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to network transmission technology field, there is provided a kind of TCP jamming control methods, device and service end, methods described include：The request of client is received, and packet is sent to client；When packet loss occurs, continual data package dropout number is obtained；If continual data package dropout number is more than or equal to the first predetermined threshold value, TCP congestion control policies, if continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy are triggered.TCP jamming control methods provided in an embodiment of the present invention, it can effectively lift the bandwidth availability ratio of TCP transmission bandwidth availability ratio, especially mobile environment.
Description
Technical field
The present invention relates to network transmission technology field, in particular to a kind of TCP jamming control methods, device and clothes
Business end.
Background technology
Network data transmission is being carried out using TCP (Transmission Control Protocol, transmission control protocol)
During, it is difficult to run in broadband completely in the case of singular link, particularly under mobile network environment, TCP bandwidth availability ratio phase
To relatively low.Can secured transmission of payload data be quickly user when client TCP connection request data for service end
Experience the basic of fluency.For this problem, existing TCP jamming control methods mainly take what fast quick-recovery period guarded
Bag conservation mechanism, specifically, TCP often receive a repeat ACK (Acknowledgement, response), then send a new data
Bag, the packet for belonging to the stream on network is kept constant, realize network bag conservation.I.e. when packet loss event occurs, conventional TCP
Transmission rate is reduced first, then keeps this transmission rate to send packet, seriously reduces TCP transmission bandwidth availability ratio.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of TCP jamming control methods, device and service end, on improving
State problem.
To achieve these goals, the technical scheme that the embodiment of the present invention uses is as follows：
In a first aspect, the embodiments of the invention provide a kind of TCP jamming control methods, it is connected applied to client communication
Service end, methods described includes：The request of client is received, and packet is sent to the client；When packet loss occurs,
Obtain continual data package dropout number；If the continual data package dropout number is more than or equal to the first predetermined threshold value, TCP congestion controls are triggered
Strategy, if the continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
Second aspect, the embodiment of the present invention additionally provide a kind of TCP congestion control devices, connected applied to client communication
The service end connect, described device include packet sending module, packet loss number acquisition module and execution module.Wherein, packet
Sending module is used for the request for receiving client, and sends packet to the client；Packet loss number acquisition module is used to work as
During generation packet loss, continual data package dropout number is obtained；If it is pre- more than or equal to first that execution module is used for the continual data package dropout number
If threshold value, then TCP congestion control policies are triggered, if the continual data package dropout number is less than the first predetermined threshold value, trigger number
According to re-transmission policy.
The third aspect, the embodiment of the present invention additionally provide a kind of service end, and the service end is connected with client communication, institute
Stating service end includes memory, processor and TCP congestion control devices, and the TCP congestion control devices are installed on described deposit
Include in reservoir and including one or more software function modules by the computing device, the TCP congestion control devices
Packet sending module, packet loss number acquisition module and execution module.Wherein, packet sending module is used to receive client
Request, and send packet to the client；Packet loss number acquisition module is used for when packet loss occurs, and obtains continual data package dropout
Number；If execution module is more than or equal to the first predetermined threshold value for the continual data package dropout number, TCP congestion control plans are triggered
Slightly, if the continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
Compared with the prior art, a kind of TCP jamming control methods, device and service end provided in an embodiment of the present invention, pass through
TCP data bag is monitored, when packet loss occurs, obtains continual data package dropout number, and judge to work as according to the continual data package dropout number
Preceding packet loss is packet loss caused by congestion, or link in itself caused by random loss；If continual data package dropout number is more than or equal to
First predetermined threshold value, then it is real congestion packet loss, triggering TCP congestion control policies are slowed down, if continual data package dropout number
Less than the first predetermined threshold value, then for link in itself caused by random loss, trigger data re-transmission policy carries out fast to the bag of loss
Speed retransmits.Compared with existing TCP jamming control methods, TCP jamming control methods provided in an embodiment of the present invention, to needing to drop
The congestion packet loss of speed carries out reduction of speed operation, the random loss Fast retransmission to not needing reduction of speed, effectively improves TCP transmission bandwidth
Utilization rate.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the schematic diagram that service end provided in an embodiment of the present invention interacts with client.
Fig. 2 shows the block diagram of service end provided in an embodiment of the present invention.
Fig. 3 shows TCP jamming control methods flow chart provided in an embodiment of the present invention.
Fig. 4 is the sub-step flow chart of the step S101 shown in Fig. 3.
Fig. 5 is the sub-step flow chart of the step S102 shown in Fig. 3.
Fig. 6 shows the block diagram of TCP congestion control devices provided in an embodiment of the present invention.
Icon：100- service ends；200- clients；300- networks；110-TCP congestion control devices；111- packets are sent out
Send module；112- packet loss number acquisition modules；113- execution modules；114- response message receiving modules；115- packets are cleared up
Module；120- memories；130- processors；140- communication units.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
During network data transmission is carried out using TCP, basic in the case of singular link is difficult to run bandwidth completely, especially
It is relatively low in mobile network environment, TCP bandwidth availability ratio.Packet loss is the key factor for influenceing TCP bandwidth availability ratios, because
For for TCP congestion controls, once packet loss, TCP congestion controls can all be considered to send causes very much congestion packet loss soon, so
Protocol stack can reduce transmission speed in itself.
In view of this, inventor has found by long-term observation and research, because send causes very much congestion packet loss in fact simultaneously soon
Incorrect, packet loss is not necessarily due to the too fast caused congestion packet loss of transmission speed, it is also possible to is link poor quality itself
Caused packet loss, particularly in wireless network environment, link fluctuates larger in itself, and link inherently has certain packet loss,
In this case it is the transmission speed that reduce data, but needs to take the mode of Fast retransmission.Meanwhile inventor
In research process it has also been found that：Then it is likely to be to send to lead soon very much if sheet of continuity packet loss when packet loss occurs
The congestion packet loss of cause；If packet is the loss of randomness, link caused packet loss in itself is most likely due to.Cause
This, inventor is based on research above and found, it is proposed that the scheme described in the embodiment of the present invention.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Fig. 1 is refer to, Fig. 1 shows that service end 100 provided in an embodiment of the present invention is carried out with least one client 200
Interactive schematic diagram.Service end 100 can be communicated by network 300 with client 200, to realize service end 100 and client
Data communication or interaction between end 200.
In embodiments of the present invention, service end 100 is web (website) server.Client 200 may be, but not limited to,
Smart mobile phone, PC (personal computer, PC), tablet personal computer, personal digital assistant (personal
Digital assistant, PDA), mobile internet surfing equipment (mobile Internet device, MID) etc..Client 200 can
With from data such as the foradownloaded video of service end 100, audio, pictures.
Fig. 2 is refer to, Fig. 2 is the block diagram of the service end 100 shown in Fig. 1.Service end 100 includes TCP congestion controls
Device 110, memory 120, processor 130 and communication unit 140 processed.
Memory 120, processor 130 and 140 each element of communication unit are directly or indirectly electrically connected between each other, with
Realize the transmission or interaction of data.For example, these elements between each other can be real by one or more communication bus or signal wire
Now it is electrically connected with.TCP congestion control devices 110 can be stored in including at least one in the form of software or firmware (firmware)
In memory 120 or the software function module that is solidificated in the operating system of the service end 100, serviced in the embodiment of the present invention
The operating system at end 100 is (SuSE) Linux OS.Processor 130 is used to perform the executable module stored in memory 120,
Such as software function module included by TCP congestion control devices 110 and computer program etc..
Wherein, the memory 120 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, memory 120 is used for storage program, and processor 130 performs after execute instruction is received
Described program.Communication unit 140 is used for the communication connection established by network 300 between service end 100 and client 200, and
For passing through the transceiving data of network 300.
First embodiment
Fig. 3 is refer to, Fig. 3 shows TCP jamming control methods flow chart provided in an embodiment of the present invention.TCP congestion controls
Method processed comprises the following steps：
Step S101, the request of client is received, and packet is sent to client.
In embodiments of the present invention, service end 100 receive client 200 request before, it is necessary to perform initialization phase
Preparation is closed, the initialization correlation preparation can include：
First, every queue and the object pool in TCP kernels are initialized, for example, packet waiting list, data packet retransmission
Queue etc..
Then, retransmission queue and unresponsive queue are added in TCP kernels, wherein, retransmission queue can be expressed as
Resend queues, unresponsive queue can be expressed as no-ack queues；It should be noted that retransmission queue here and unresponsive
Queue is different from the logic of the original data packet retransmission queue of TCP kernels etc., is the queue newly added, that is to say, that the re-transmission
Queue and unresponsive queue and the original data packet retransmission queue of TCP kernels etc. are separate.
3rd, a sequence number field is added in sk_buffer structures, the sequence number field can be uint64_t fields,
For marking the sequence number of the packet sent to client 200, it is necessary to which explanation, the sequence number of packet is pair of addition here
The numbering of each packet, since 0, continue after spilling since 0, in addition, the calculating of all about sequence number is required for removing 264。
Finally, congestion judge mark is added in TCP kernels, the congestion judge mark represents to result in soon very much due to sending
Congestion.
In embodiments of the present invention, after related preparation completion is initialized, asking for client 200 is started waiting for
Ask.When receiving the request of client 200, buffered data is divided into multiple data segments and in sk_buffer structures first
Middle formation data message head, then each data segment with data message head is packaged into packet.Afterwards to each sk_
Sequence number field in buffer structures carries out cumulative numbering, and multiple packets with cumulative numbering then are placed on into packet etc.
Treat queue.Finally, the packet in packet waiting list is transmitted according to TCP slow turn-ons process.
It should be noted that home window is arranged into 36000 bytes first in whole process, timing is set afterwards
Device, sack, and wait-for-response ack are opened, each packet being transmitted across, no-ack queues is multiplexed into, is only added to no-
In ack queues, data copy is not done.
Fig. 4 is refer to, step S1011 can include following sub-step：
Sub-step S1011, when receiving the request of client, buffered data is divided into multiple packets.
In embodiments of the present invention, when client 200 has request to arrive, after TCP three-way handshake terminates, service end 100
Upper strata has mass data to reach buffering area formation buffered data, and buffered data is divided into multiple data segments and interpolation data message
Head, then each data segment with data message head is packaged into packet.
Sub-step S1012, sequence number is added to each packet, and the packet with sequence number is sent to client, wherein,
The sequence number of packet is cumulative successively.
In embodiments of the present invention, after packet encapsulation is completed, sequence number cumulative successively is added to each packet, then
Packet with sequence number is sent to client 200.
Step S102, when packet loss occurs, obtain continual data package dropout number.
In embodiments of the present invention, after client 200 receives the packet of the transmission of service end 100, to service end 100
Send ack messages, when service end 100 receives ack messages, removed from no-ack queues packet corresponding to the ack messages,
And the packet of the corresponding sequence number in resend queues；Continue new packet after ack messages reach to send,
TCP congestion controls and flow control are controlled by sliding window, and other existing speed control logics are herein no longer
Repeat.
In embodiments of the present invention, need to monitor whether during ack messages are waited there occurs packet loss, TCP can be with
Judge packet loss by following two modes：Firstth, judge whether timer is overtime；Second, if exist continuous DACK three times or
Packet corresponding to person DSACK instruction sequence numbers, specific deterministic process belong to prior art, will not be repeated here.When there is packet
When meeting condition, that is, occur packet loss when, first, obtained from no-ack queues be also not received by ack messages need weight
The packet to be retransmitted passed, and the packet to be retransmitted is put into resend queues；Then, check in resend queues and treat weight
Whether the sequence number for passing packet has continuous data bag, if so, obtaining the number of the continuous data bag, the number is continual data package dropout
Number.
Fig. 5 is refer to, step S102 can include following sub-step：
Sub-step S1021, when packet loss occurs, obtain packet to be retransmitted.
In embodiments of the present invention, when packet loss occurs, obtained from no-ack queues and be also not received by ack messages need
The packet to be retransmitted to be retransmitted.
Sub-step S1022, packet to be retransmitted is sent into the retransmission queue added in advance.
In embodiments of the present invention, the packet to be retransmitted obtained from no-ack queues is put into what is added in advance
Resend queues.
Sub-step S1023, obtain in the retransmission queue that adds in advance each sequence number of packet to be retransmitted.
In embodiments of the present invention, check whether the sequence number of the packet to be retransmitted in resend queues has continuous data
Bag, if so, obtaining the number of the continuous data bag.
Sub-step S1024, according to the sequence number of each packet to be retransmitted, obtain the number of continual data package dropout.
In embodiments of the present invention, the number of continuous data bag is as continuous in the packet to be retransmitted in resend queues
Packet loss number.
Step S103, if continual data package dropout number is more than or equal to the first predetermined threshold value, trigger TCP congestion control plans
Slightly, if continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
In embodiments of the present invention, after obtaining continual data package dropout number, judge the continuous data bag number whether be more than or
Equal to the first predetermined threshold value (for example, 5), if continual data package dropout number is more than or equal to the first predetermined threshold value, it is judged to sending out
Too fast caused congestion is sent, sets congestion marking simultaneously to trigger TCP congestion control policies, TCP congestion control policies include reducing number
Retransmitted according to bag transmission speed and by the packet to be retransmitted in the resend queues added in advance, wait the sound of client 200
Should the response message that sends of data be retransmitted.
If continual data package dropout number is less than the first predetermined threshold value, it is determined as congestion caused by link poor quality itself,
Remove congestion marking and trigger data re-transmission policy, data re-transmission policy is by the number to be retransmitted in the resend queues added in advance
Retransmitted according to bag, now without reduction of speed, wait client 200 to respond the response message that the data to be retransmitted are sent.
In embodiments of the present invention, TCP congestion control policies or data re-transmission policy are triggered according to continual data package dropout number
Afterwards, TCP jamming control methods provided in an embodiment of the present invention can also include：
Step S104, receive the response message that client end response packet to be retransmitted is sent.
In embodiments of the present invention, the resend that will be added in advance with the speed of reduction after TCP congestion control policies is triggered
Packet to be retransmitted in queue is retransmitted, the resend teams that will be added in advance without reduction of speed after trigger data re-transmission policy
Packet to be retransmitted in row is retransmitted, after client 200 receives the packet to be retransmitted, based on the re-transmission packet
As service end 100 sends response message.
In embodiments of the present invention, after receiving the response message that client 200 responds packet transmission to be retransmitted, this hair
The TCP jamming control methods that bright embodiment provides can also include：
Step S105, according to response message, corresponding packet to be retransmitted in retransmission queue is cleared up.
In embodiments of the present invention, service end 100 receives client 200 and responds the response report that packet to be retransmitted is sent
After text, packet to be retransmitted corresponding to the response message is found in resend queues and is cleared up, cleared up and then secondary
The number of continuous data bag in the packet to be retransmitted in resend queues is checked, when the number of the continuous data bag is less than second
During predetermined threshold value (for example, 3), that is, when the number of the continual data package dropout in resend queues is less than 3, then cancel TCP
Congestion control policy, the packet transmission speed of reduction is recovered, while data re-transmission policy is stated in triggering.
In embodiments of the present invention, using empirical data (for example, continuous five data-bag losts), judgement is really to gather around
Packet loss or common random loss are filled in, the false judgment rate of congestion generation is reduced with this, so as to reduce the behaviour of service end 100
Make the number of system default congestion, reduce the number of operating system reduction of speed, TCP congestion control sides provided in an embodiment of the present invention
Method, it can effectively lift the bandwidth availability ratio of TCP transmission bandwidth availability ratio, especially mobile environment.
Second embodiment
Fig. 6 is refer to, Fig. 6 shows the block diagram of TCP congestion control devices 110 provided in an embodiment of the present invention.
TCP congestion control devices 110 include packet sending module 111, packet loss number acquisition module 112, execution module 113, response
Message receiving module 114 and packet cleaning modul 115.
Packet sending module 111, packet is sent for receiving the request of client, and to client.
In embodiments of the present invention, packet sending module 111 can be used for performing step S101.
In embodiments of the present invention, packet sending module 111, it is additionally operable to：
When receiving the request of client, buffered data is divided into multiple packets；
Sequence number is added to each packet, and the packet with sequence number is sent to client, wherein, the sequence number of packet
It is cumulative successively.
In embodiments of the present invention, packet sending module 111 can be also used for performing sub-step S1011~S1012.
Packet loss number acquisition module 112, for when packet loss occurs, obtaining continual data package dropout number.
In embodiments of the present invention, packet loss number acquisition module 112 can be used for performing step S102.
In embodiments of the present invention, packet loss number acquisition module 112, is additionally operable to：
When packet loss occurs, packet to be retransmitted is obtained；
Packet to be retransmitted is sent into the retransmission queue added in advance；
Obtain in the retransmission queue that adds in advance each sequence number of packet to be retransmitted；
According to the sequence number of each packet to be retransmitted, the number of continual data package dropout is obtained.
In embodiments of the present invention, packet loss number acquisition module 112 can be also used for performing sub-step S1021~S1024.
Execution module 113, if being more than or equal to the first predetermined threshold value for continual data package dropout number, trigger TCP congestions
Control strategy, if continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
In embodiments of the present invention, execution module 113 can be used for performing step S103.
Response message receiving module 114, the response message sent for receiving client end response packet to be retransmitted.
In embodiments of the present invention, response message receiving module 114 can be used for performing step S104.
Packet cleaning modul 115, for according to response message, being carried out to corresponding packet to be retransmitted in retransmission queue
Cleaning.
In embodiments of the present invention, packet cleaning modul 115 can be used for performing step S105.
In summary, a kind of TCP jamming control methods, device and service end provided by the invention, methods described include：Connect
The request of client is received, and packet is sent to client；When packet loss occurs, continual data package dropout number is obtained；If continuously lose
Bag number is more than or equal to the first predetermined threshold value, then triggers TCP congestion control policies, if continual data package dropout number is pre- less than first
If during threshold value, then trigger data re-transmission policy.The present invention utilizes empirical data (for example, continuous five data-bag losts), judges
It is real congestion packet loss or common random loss, the false judgment rate of congestion generation is reduced with this, so as to reduces clothes
The number of the operating system acquiescence congestion at business end, reduces the number of operating system reduction of speed, and TCP provided in an embodiment of the present invention is gathered around
Control method is filled in, can effectively lift the bandwidth availability ratio of TCP transmission bandwidth availability ratio, especially mobile environment.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can also pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments according to the present invention, method and computer program product architectural framework in the cards,
Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of a module, program segment or code
Part, a part for the module, program segment or code include one or more and are used to realize holding for defined logic function
Row instruction.It should also be noted that at some as in the implementation replaced, the function that is marked in square frame can also with different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially perform substantially in parallel, they are sometimes
It can perform in the opposite order, this is depending on involved function.It is it is also noted that every in block diagram and/or flow chart
The combination of individual square frame and block diagram and/or the square frame in flow chart, function or the special base of action as defined in performing can be used
Realize, or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need
Illustrate, herein, such as first and second or the like relational terms be used merely to by an entity or operation with
Another entity or operation make a distinction, and not necessarily require or imply between these entities or operation any this reality be present
The relation or order on border.Moreover, term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including
The other element being not expressly set out, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, other identical element also be present in article or equipment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
Claims (10)
1. a kind of TCP jamming control methods, it is characterised in that applied to the service end being connected with client communication, methods described
Including：
The request of client is received, and packet is sent to the client；
When packet loss occurs, continual data package dropout number is obtained；
If the continual data package dropout number is more than or equal to the first predetermined threshold value, TCP congestion control policies are triggered, if described
When continual data package dropout number is less than the first predetermined threshold value, then trigger data re-transmission policy.
2. the method as described in claim 1, it is characterised in that the request for receiving client, and sent out to the client
The step of sending packet, including：
When receiving the request of the client, buffered data is divided into multiple packets；
To each packet addition sequence number, and the packet with sequence number is sent to the client, wherein, the data
The sequence number of bag is cumulative successively.
3. the method as described in claim 1, it is characterised in that it is described when packet loss occurs, obtain the number of continual data package dropout
Step, including：
When packet loss occurs, packet to be retransmitted is obtained；
The packet to be retransmitted is sent into the retransmission queue added in advance；
Obtain in the retransmission queue added in advance each sequence number of packet to be retransmitted；
According to the sequence number of each packet to be retransmitted, continual data package dropout number is obtained.
4. the method as described in claim 1, it is characterised in that the TCP congestion control policies include reducing packet transmission
Speed is simultaneously retransmitted the packet to be retransmitted in the retransmission queue added in advance；The data re-transmission policy includes will
Packet to be retransmitted in the retransmission queue added in advance is retransmitted.
5. method as claimed in claim 4, it is characterised in that preset if the continual data package dropout number is more than or equal to
Threshold value, then TCP congestion control policies are triggered, if the continual data package dropout number is less than predetermined threshold value, trigger data retransmits
After the step of strategy, in addition to：
Receive the response message that packet to be retransmitted described in the client end response is sent；
According to the response message, corresponding packet to be retransmitted in the retransmission queue is cleared up.
6. a kind of TCP congestion control devices, it is characterised in that applied to the service end being connected with client communication, described device
Including：
Packet sending module, packet is sent for receiving the request of client, and to the client；
Packet loss number acquisition module, for when packet loss occurs, obtaining continual data package dropout number；
Execution module, if being more than or equal to the first predetermined threshold value for the continual data package dropout number, trigger TCP congestion controls
Strategy, if the continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
7. device as claimed in claim 6, it is characterised in that the packet sending module is additionally operable to：
When receiving the request of the client, buffered data is divided into multiple packets；
To each packet addition sequence number, and the packet with sequence number is sent to the client, wherein, the data
The sequence number of bag is cumulative successively.
8. device as claimed in claim 6, it is characterised in that the number acquisition module is additionally operable to：
When packet loss occurs, packet to be retransmitted is obtained；
The packet to be retransmitted is sent into the retransmission queue added in advance；
Obtain in the retransmission queue added in advance each sequence number of packet to be retransmitted；
According to the sequence number of each packet to be retransmitted, continual data package dropout number is obtained.
9. device as claimed in claim 8, it is characterised in that the TCP congestion control devices also include：
Response message receiving module, the response message sent for receiving packet to be retransmitted described in the client end response；
Packet cleaning modul, for according to the response message, entering to corresponding packet to be retransmitted in the retransmission queue
Row cleaning.
10. a kind of service end, it is characterised in that the service end is connected with client communication, and the service end includes：
Memory；
Processor；And
TCP congestion control devices, the TCP congestion control devices are installed in the memory and including one or more by institute
The software function module of computing device is stated, it includes：
Packet sending module, packet is sent for receiving the request of client, and to the client；
Number acquisition module, for when packet loss occurs, obtaining continual data package dropout number；
Execution module, if being more than or equal to the first predetermined threshold value for the continual data package dropout number, trigger TCP congestion controls
Strategy, if the continual data package dropout number is less than the first predetermined threshold value, trigger data re-transmission policy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927883.4A CN107426108A (en) | 2017-10-09 | 2017-10-09 | TCP jamming control methods, device and service end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927883.4A CN107426108A (en) | 2017-10-09 | 2017-10-09 | TCP jamming control methods, device and service end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107426108A true CN107426108A (en) | 2017-12-01 |
Family
ID=60436151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710927883.4A Pending CN107426108A (en) | 2017-10-09 | 2017-10-09 | TCP jamming control methods, device and service end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107426108A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865716A (en) * | 2020-06-30 | 2020-10-30 | 新华三信息技术有限公司 | Port congestion detection method, device, equipment and machine-readable storage medium |
| CN113708889A (en) * | 2020-05-22 | 2021-11-26 | 维沃移动通信有限公司 | Data transmission method and device |
| CN113746724A (en) * | 2021-11-05 | 2021-12-03 | 阿里云计算有限公司 | Message transmission method, device, electronic equipment and medium |
| CN113765626A (en) * | 2020-06-01 | 2021-12-07 | 大唐移动通信设备有限公司 | Data transmission method and device of mobile communication system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986548A (en) * | 2013-02-07 | 2014-08-13 | 华为技术有限公司 | Method for determining packet loss reasons and terminal |
| CN104683259A (en) * | 2015-02-15 | 2015-06-03 | 上海帝联信息科技股份有限公司 | TCP congestion control method and device |
| CN104980365A (en) * | 2014-04-01 | 2015-10-14 | 广西大学 | TCP transmission acceleration method based on continuous packet losing congestion judgment |
| US9167473B2 (en) * | 2012-01-09 | 2015-10-20 | Ntt Docomo, Inc. | Communication processing method, apparatus and gateway device |
| CN105376172A (en) * | 2014-08-29 | 2016-03-02 | 华平信息技术股份有限公司 | Method for controlling network congestion |
-
2017
- 2017-10-09 CN CN201710927883.4A patent/CN107426108A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9167473B2 (en) * | 2012-01-09 | 2015-10-20 | Ntt Docomo, Inc. | Communication processing method, apparatus and gateway device |
| CN103986548A (en) * | 2013-02-07 | 2014-08-13 | 华为技术有限公司 | Method for determining packet loss reasons and terminal |
| CN104980365A (en) * | 2014-04-01 | 2015-10-14 | 广西大学 | TCP transmission acceleration method based on continuous packet losing congestion judgment |
| CN105376172A (en) * | 2014-08-29 | 2016-03-02 | 华平信息技术股份有限公司 | Method for controlling network congestion |
| CN104683259A (en) * | 2015-02-15 | 2015-06-03 | 上海帝联信息科技股份有限公司 | TCP congestion control method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113708889A (en) * | 2020-05-22 | 2021-11-26 | 维沃移动通信有限公司 | Data transmission method and device |
| CN113765626A (en) * | 2020-06-01 | 2021-12-07 | 大唐移动通信设备有限公司 | Data transmission method and device of mobile communication system |
| CN113765626B (en) * | 2020-06-01 | 2022-11-11 | 大唐移动通信设备有限公司 | Data transmission method and device of mobile communication system |
| CN111865716A (en) * | 2020-06-30 | 2020-10-30 | 新华三信息技术有限公司 | Port congestion detection method, device, equipment and machine-readable storage medium |
| CN113746724A (en) * | 2021-11-05 | 2021-12-03 | 阿里云计算有限公司 | Message transmission method, device, electronic equipment and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11196653B2 (en) | Systems and methods for dynamic bandwidth allocation and optimization | |
| CN107426108A (en) | TCP jamming control methods, device and service end | |
| CN111247774B (en) | Advanced network analysis | |
| Yu et al. | Dissecting performance of production QUIC | |
| CN104145459B (en) | Reduce the method and system of the arrival interval delay in network traffics | |
| US9921902B2 (en) | System and method for providing a watchdog timer to enable collection of crash data | |
| CN107864084A (en) | The transmission method and device of packet | |
| CN104579601B (en) | A kind of retransmission request processing method and device | |
| CN110073639A (en) | Packet loss tolerant transmission control protocol congestion control | |
| CN108718347A (en) | A kind of domain name analytic method, system, device and storage medium | |
| CN104243230B (en) | The method and apparatus of monitoring data in a kind of acquisition Linux server | |
| CN106936730A (en) | A kind of file transmitting method, TCP agent and TCP Client | |
| CN108462590A (en) | The monitoring method and device of network flow, terminal | |
| CN108279970B (en) | The switching method and apparatus of browser kernel | |
| AU2023203816B2 (en) | Attack mitigation in a packet-switched network | |
| Chen et al. | TAQ: enhancing fairness and performance predictability in small packet regimes | |
| CN103685071B (en) | A kind of method and apparatus for distributing Internet resources | |
| CN104917594B (en) | The TCP data transmission method and virtual machine system of virtual machine | |
| Ashok et al. | Data-driven network path simulation with ibox | |
| Opstad et al. | Latency and fairness trade-off for thin streams using redundant data bundling in tcp | |
| Pötsch | Future Mobile Transport Protocols | |
| Luo et al. | A novel Congestion Control algorithm based on inverse reinforcement learning with parallel training | |
| Brand et al. | Network analysis of a multi-node net with a tactical communications protocol | |
| US20210176329A1 (en) | System supporting fault tolerance and control method thereof | |
| CN108965158A (en) | A kind of cybersquatting current-limiting method, apparatus and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |