CN108512771A - A kind of method and apparatus that data stream load is shared - Google Patents
A kind of method and apparatus that data stream load is shared Download PDFInfo
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- CN108512771A CN108512771A CN201710114911.0A CN201710114911A CN108512771A CN 108512771 A CN108512771 A CN 108512771A CN 201710114911 A CN201710114911 A CN 201710114911A CN 108512771 A CN108512771 A CN 108512771A
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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
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/65—Re-configuration of fast packet switches
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- Computer Networks & Wireless Communication (AREA)
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Abstract
An embodiment of the present invention provides a kind of method that data stream load is shared, the network equipment determines that the physical port of transmission data stream sends the data flow according to the first Load Sharing Algorithm.During the network equipment sends the data flow according to the physical port that the first Load Sharing Algorithm determines, if first physical port breaks down, then the network equipment determines the physical port for sending second data flow according to the first Load Sharing Algorithm, and the physical port for sending the first sub-data flow is determined according to the second Load Sharing Algorithm, first sub-data flow is assigned to second port set by second Load Sharing Algorithm.The network equipment sends first sub-data flow via the physical port for sending first sub-data flow, and sends second sub-data flow via the physical port for sending second sub-data flow.Said program can reduce the unstability of link transmission data stream, meet the needs of business transmission.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of method and apparatus that data stream load is shared.
Background technology
By using load balancing technology to data flow, the reliability of network and the utilization to link bandwidth can be improved.
Valley-fill load balancing refers to being used the type of message identified fixed on the basis of the protocol type to message is identifiable
Flow the selection of characteristic element field method and the Load Sharing Algorithm progress load balancing path that can configure based on veneer/interface.
It is physical port distribution data flow based on equipment that present load, which is shared, is carried out to data stream according to five-tuple information
Load balancing calculates.For example, there are four physical ports for forwarding unit, four physical ports of the forwarding unit can be born
Load shares calculating.If a physical port of the forwarding unit breaks down when being unable to transmission data stream, need to data
Stream re-starts load balancing calculating, and data flow is evenly distributed to other three physical ports, can make to hash originally in this way
The data flow of other three physical ports can not all continue to hash in original physical port, lead to data flow because path becomes
Change the portion that the flow transition brought cannot be satisfied the business networks such as finance, electric power, wireless to data stream transmitting performance and stability
Administration requires.
Invention content
The embodiment of the present application provides a kind of method of load balancing, equipment and storage medium, can reduce because of link
Variation causes the unstability of flow transition generation and performance to influence.
In a first aspect, this application provides a kind of method that data stream load is shared, the method includes network equipment roots
The physical port for transmission data stream is determined according to the first Load Sharing Algorithm.It is determined according to first Load Sharing Algorithm
Physical port is that first port set determines physical port.It is multiple in the first port set including the first physical port
Port is the physical port of the network equipment.
The network equipment is via the object for sending the data flow determined according to first Load Sharing Algorithm
It manages port and sends the data flow.
In the network equipment data flow is sent via the physical port determined according to the first Load Sharing Algorithm
In the process, if first physical port breaks down, the network equipment is true according to first Load Sharing Algorithm
The fixed physical port for sending the second sub-data flow, and determined according to the second Load Sharing Algorithm for sending the first subnumber
According to the physical port of stream.The physical port determined according to second Load Sharing Algorithm is the physics end in second port set
Mouthful.The second port set does not include first physical port.Multiple ports that the second port set includes are institutes
State the physical port of the network equipment.First sub-data flow is to be determined by described first according to first Load Sharing Algorithm
The sub-data flow that physical port is sent.Second sub-data flow is to be determined by described the according to first Load Sharing Algorithm
The sub-data flow that other physical ports in Single port set in addition to first physical port are sent.First subdata
Stream and second sub-data flow are the sub-data flows in the data flow.
The physical port for sending first sub-data flow that the network equipment is determined via the network equipment
Send first sub-data flow, and the physics for sending second sub-data flow determined via the network equipment
Port sends second sub-data flow.
Through the above scheme, it is possible to reduce because port failure needs again to carry out data stream in data stream transmission process
Load balancing calculates the unstability for leading to data stream transmitting.If the physical port of transmission flow in data stream transmission process
It breaks down, it is only necessary to load balancing calculating be carried out to the data flow transmitted by the physical port that breaks down, by these data
Stream is evenly distributed to other physical ports for capableing of normal transmission data stream, can thus reduce the shakiness of data stream transmitting
It is qualitative, meet the requirement of business transmission.
With reference to first aspect, in the first possible implementation, the network equipment is calculated according to the first load balancing
Method determines that the physical port for transmission data stream includes：
The data flow is divided into M sub-data flow by the network equipment, and M is the physical port of the first port set
The positive integer times of N.
The network equipment determines the corresponding physical port of the M sub-data flow, and the network equipment is according to described
One Load Sharing Algorithm determines that the physical port for sending the data flow is the corresponding physics end of the M sub-data flow
Mouthful.Each sub-data flow corresponds to a physical port in the first port set.Each of described first port set
The quantity of the corresponding sub-data flow of physical port is M/N.
Through the above scheme, the network equipment obtains the least common multiple of the physical port number of transmission data stream by calculating
The data flow, is then divided into and least common multiple equal parts by the first load balancing by number.In this way in the network equipment
In the case that physical port breaks down, the data flow that non-working port is sent can be evenly distributed to other normal transmission numbers
According to the physical port of stream.
With reference to first aspect, in second of possible realization method, this method further includes working as first physical port
When restoring to send the ability of the data flow, first time load balancing is calculated the sorted data flow by the network equipment
It is sent according to the physical port determined after calculating.
Through the above scheme, after non-working port recovery and can normal transmission data stream when, continue to close according to first
Key field carries out load balancing Hash calculating to data stream, and the data flow is evenly distributed to the physical port of the network equipment
On, it is restored to the distribution to data flow before physical port failure, reduces unstable because of the data stream transmitting that link change is brought
Property.
With reference to first aspect, in the third possible realization method, the network equipment is calculated according to the first load balancing
Method determines that the physical port for transmission data stream includes：
The network equipment, using the field of the message in the data flow as Hash keys, and determines institute according to hash algorithm
State the cryptographic Hash of hash algorithm.
The network equipment determines the physical port for sending the data flow, the field packet according to the cryptographic Hash
Include source Internet protocol IP address, purpose IP address, source port number, destination slogan and protocol number.
Second aspect, an embodiment of the present invention provides a kind of network equipment that data stream load is shared, the network equipments
Including determination unit and transmission unit.
Determination unit is used to determine the physical port for being used for transmission data stream according to the first Load Sharing Algorithm, according to described
The physical port that first Load Sharing Algorithm determines is that first port set determines physical port, includes the institute of the first physical port
State the physical port that multiple ports in first port set are the network equipments.
Transmission unit is used for for being used to send the data flow via what is determined according to first Load Sharing Algorithm
Physical port send the data flow.
The determination unit is additionally operable to send the data via the physical port determined according to the first Load Sharing Algorithm
During stream, if first physical port breaks down, determined according to first Load Sharing Algorithm for sending out
The physical port of the second sub-data flow is sent, and the object for sending the first sub-data flow is determined according to the second Load Sharing Algorithm
Manage port.The physical port determined according to second Load Sharing Algorithm is the physical port in second port set.It is described
Second port set does not include first physical port.Multiple ports that the second port set includes are that the network is set
Standby physical port.First sub-data flow is to be determined by first physical port according to first Load Sharing Algorithm
The sub-data flow of transmission.Second sub-data flow is to be determined by the first port collection according to first Load Sharing Algorithm
The sub-data flow that other physical ports in conjunction in addition to first physical port are sent.First sub-data flow and described
Second sub-data flow is the sub-data flow in the data flow.
The transmission unit is additionally operable to be sent out according to the physical port that the first Load Sharing Algorithm determines in the network equipment
During sending the data flow, if first physical port breaks down, the result determined according to determination unit is by sending out
The physical port of first sub-data flow is sent to send first sub-data flow, and the hair determined via the network equipment
The physical port of second sub-data flow is sent to send second sub-data flow.
Through the above scheme, can reducing data flow, data stream transmitting is unstable caused by port failure in transmission process
It is qualitative.
In conjunction with second aspect, in the first possible implementation, the equipment also packet allocation unit.
The allocation unit is used to the data flow being divided into M sub-data flow, and M is the physics of the first port set
The positive integer times of port N.
The determination unit is additionally operable to determine the corresponding physical port of the M sub-data flow, and negative according to described first
It carries Sharing Algorithm and determines that the physical port for sending the data flow is the corresponding physical port of the M sub-data flow.Often
A sub-data flow corresponds to a physical port in the first port set.Each physics end in the first port set
The quantity of the corresponding sub-data flow of mouth is M/N.
In conjunction with second aspect, in second of possible realization method, the determination unit is used for will according to hash algorithm
The field of message in the data flow determines the cryptographic Hash of the hash algorithm, and according to the cryptographic Hash as Hash keys
Determine the physical port for sending the data flow, the field includes source Internet protocol IP address, purpose IP address, source
Slogan, destination slogan and protocol number.
The third aspect, the application's provides a kind of computer readable storage medium, the computer-readable storage medium again
Instruction is stored in matter, when run on a computer so that computer execute above-mentioned first aspect and second aspect and
The method of each possible realization method.
Description of the drawings
Fig. 1 is that a kind of data stream load provided by the embodiments of the present application shares schematic diagram of a scenario；
Fig. 2 is that another data stream load provided in an embodiment of the present invention shares schematic diagram of a scenario；
Fig. 3 is a kind of method flow schematic diagram that data stream load is shared provided in an embodiment of the present invention；
Fig. 4 is a kind of network equipment infrastructure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is another network equipment infrastructure schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
The present invention will be describe below in further detail with reference to the accompanying drawings.Obviously, described embodiment is only this
A part of the embodiment of invention, rather than whole embodiments.
A kind of data stream load burden schematic diagram of a scenario is provided for the embodiment of the present application referring to Fig. 1, which can
Think such as IPRAN (English：Internet Protocol Radio Access Network)/Metropolitan Area Network (MAN), PTN (English：
Packet Transport Network), SDH (English：Synchronous Optical Networking) network, optical transport
Any network scenarios such as data transmission networks or bearer network such as net.The network system includes that first network equipment and the second network are set
It is standby.It should be noted that the first network equipment and second network equipment in the embodiment of the present application are specifically as follows router, hand over
It changes planes the equipment of equal forwarding services flow, but also the friendship being included under SDN (Software Defined Network) scene
It changes planes, in SDN, which can be composed of together controller and corresponding forwarding unit.First
After the network equipment receives data flow, load balancing Hash meters can be carried out to the data flow according to the characteristic element field of data flow
It calculates, obtain the path of the data flow and determines the physical port for sending the data flow.
For example, the first network equipment in Fig. 1 can be according to the characteristic element of data flow after receiving the data flow
Field carries out load balancing calculating to the data flow, and wherein characteristic element can be IP five-tuples, can also be bis- tuples of IP.According to
Four paths for forwarding the data flow, four physical ports pair of this four paths and first network equipment are obtained according to result of calculation
It answers, and is respectively connected with four physical ports of first network equipment.The data flow is calculated by load balancing, such as Hash meters
It calculates, is divided into four parts, including the first data flow, second data Liu, third data flow and the 4th data flow.By sorted data
Stream sends the first data flow by the first physical port to second network equipment, by the second physical port to the second network equipment
The second data flow is sent, third data flow is sent to the third network equipment by third physical port, passes through the 4th physical port
The 4th data flow is sent to second network equipment, it is same by four paths that data flow is evenly distributed to four physical ports in this way
When send, the reliability of network and the utilization to link bandwidth can be improved.It is understood that if first network equipment has
A physical port transmission data streams of N (N be more than zero integer), then first network equipment can data flow be subjected to load balancing
It calculates, obtains the N paths for forwarding the data flow.It is current normal if the first physical port of first network equipment breaks down
It is that the data flow is re-started load balancing to calculate with technology, again the data flow is distinguished, then will be distinguished
Data flow is evenly distributed to the second physical port, third physical port and the 4th physical port three above physical port.So
Data flow is redistributed to cause to hash originally and is calculated by load balancing again in the second data flow of the second physical port
It is assigned to the 4th physical port or the 5th physical port, is unable to ensure in this way before the first physical port failure and is assigned to
Second data flow of two physical ports all continues to be assigned to the second physical port, therefore will reduce the stabilization of flow transition
Property.But in the business networks such as finance, electric power, wireless, there is very high requirement to the performance and stability of transmission, it is negative in deployment
Carry the unstability and performance influence for often requiring that the flow transition for reducing and being brought because of link change generates after sharing.
To solve the above-mentioned problems, ensure that the physical port in first network equipment makes to be hashed originally the after breaking down
The data flow of two physical ports, third physical port and the 4th physical port can continue to hash in original physical port, subtract
The unstability that few data flow transition generates, increases the stability of data stream transmitting, meets the needs of business transmission.Fig. 2 is directed to
The above problem in Fig. 1 provides a kind of data stream load and shares schematic diagram of a scenario, in this embodiment, if first network
First physical port of equipment breaks down, and still carries out load balancing calculating to the data flow, obtains four hairs of data flow
Path is sent, then proceedes to carry out a load balancing calculating again to the first data flow that the first physical port is sent, by the first number
Other three physical ports are evenly distributed to according to stream, i.e., the first data flow are evenly distributed to the second physical port, third object
Manage port and the 4th physical port.The second data flow sent by the second physical port originally continues through the second physics end
Mouth is sent, and the third data flow sent originally by third physical port continues through the transmission of third round physical port, originally
The 4th data flow sent by the 4th physical port continues through the 4th physical port and sends.
To solve the above-mentioned problems, an embodiment of the present invention provides a kind of method that data stream load is shared, referring to Fig. 3,
In conjunction with the network scenarios schematic diagram in Fig. 1 and Fig. 2, the first network equipment in the present embodiment is the first network in Fig. 1 and Fig. 2
Equipment, the first physical port, the second physical port, third physical port and the 4th physical port of first network equipment are Fig. 1
With the first physical port, the second physical port, third physical port and the 4th physical port in Fig. 2, this method includes as follows
Content：
S301：The network equipment determines the physical port for transmission data stream according to the first Load Sharing Algorithm, according to institute
The physical port for stating the determination of the first Load Sharing Algorithm is that first port set determines physical port.Including the first physical port
Multiple ports in the first port set are the physical ports of the network equipment.
In a specific embodiment, the network equipment bears data stream according to the critical field of data flow
Load shares calculating, determines the physical port of transmission data stream.The critical field is the characteristic element field of data flow, the spy
Sign element field is located in data stream message head, and the characteristic element field divides data flow for distinguishing data flow, realization
Class.For example, the characteristic element field of data flow can be IP five-tuples, can also be bis- tuples of IP.As the spy of data flow
When to levy element field be IP five-tuples, the critical field is purpose IP address, destination slogan, source IP address, source port number,
Protocol number.IP five-tuples are mainly for User Data Protocol (User Datagram Protocol, UDP) or non-transmitting control
Agreement (Transmission Control Protocol, TCP) message carries out the differentiation of data flow.When the characteristic element of data flow
When plain field is bis- tuples of IP, the critical field is source IP address and purpose IP address, and wherein bis- tuples of IP are mainly for non-
UDP, TCP message carry out the differentiation of data flow.The network equipment can also be directed to multiprotocol label switching
(Multiprotocol Label Switching, MPLS) message carries out data flow characteristics element field based on each layer label
Selection.
In a specific embodiment, the network equipment equipment is according to above-mentioned data flow characteristics element field logarithm
Load balancing calculating is carried out according to stream.For example, the network equipment can be determined according to the physical port of the network equipment
The routing policy of transmission data stream carries out load balancing calculating, by data then in conjunction with the IP five-tuples of data flow to data stream
Stream distinguishes and obtains the transmitting path of data flow, determines the corresponding physical port of each paths of transmission data stream.
S302：The network equipment is used to send the data flow via what is determined according to first Load Sharing Algorithm
Physical port send the data flow.
In a specific embodiment, the network equipment sends institute according to the physical port determined in above-mentioned S301
State data flow.
S303：The network equipment sends the data flow via the physical port determined according to the first Load Sharing Algorithm
During, if first physical port breaks down, the network equipment is according to first Load Sharing Algorithm
It determines the physical port for sending the second sub-data flow, and is determined according to the second Load Sharing Algorithm for sending the first son
The physical port of data flow, the physical port determined according to second Load Sharing Algorithm are the physics in second port set
Port, the second port set do not include first physical port, and multiple ports that the second port set includes are
The physical port of the network equipment, first sub-data flow are to be determined by described the according to first Load Sharing Algorithm
The sub-data flow that one physical port is sent, second sub-data flow are to be determined by described according to first Load Sharing Algorithm
The sub-data flow that other physical ports in first port set in addition to first physical port are sent, first subnumber
It is the sub-data flow in the data flow according to stream and second sub-data flow.
In a specific embodiment, when event occurs in the first physical port of the network equipment transmission data stream
Barrier, when cannot continue transmitting data flow, continues according to first keyword of the network equipment described in above-mentioned S301 according to data flow
Section carries out load balancing calculating to data stream, obtains the forward-path of data flow, determines the corresponding object in forwarding data flow path
Port is managed, above-mentioned steps are referring to S301, and details are not described herein again.Then the data flow for being assigned to the first physical port is carried out again
Load balancing calculates, can be according to characteristic elements fields pair such as bis- tuples of IP or IP five-tuples when carrying out load balancing calculating
Flow distinguishes, and the data flow calculated by second is evenly distributed to other physical ports normally sent.
Table 1
For example, the step is described in detail by taking content shown in table 1 as an example below, if destination address is
1.2.3.4 data stream packets contain four road equivalent route strategies, then can match network segment routing (1.2.3.0/24), and according to number
The data flow that destination address is 1.2.3.4 is subjected to load balancing calculating according to stream characteristic element field and index calculated values, it is described
Load balancing calculating can be that Hash is calculated, and data flow is passed through the first physical port of the network equipment, the second object respectively
Manage port, third physical port and the 4th physical port transmission data stream.Such as data flow Hash then may be used to the first physical port
To establish fast-turn construction list item, outgoing interface is the first physical port, next-hop 2.2.2.2, for this feature element field phase
Same data flow is sent according to above-mentioned fast-turn construction list item again by the first physical port.Equally, the second physical port can be established
Fast-turn construction list item, outgoing interface be the second physical port, next-hop 3.3.3.3, for the second physical port transmission data stream
The identical data flow of characteristic element field is sent according to the fast-turn construction list item again by the second physical port.Third physical port is same
Sample can establish fast-turn construction list item, and outgoing interface is third physical port, next-hop 4.4.4.4, for third physical port institute
The identical data flow of characteristic element field of the data flow of transmission is sent again by third physical port.4th physical port
Fast-turn construction list item can be established, outgoing interface is the 4th physical port, next-hop 5.5.5.5, for being sent with the 4th physical port
The identical data flow of characteristic element field of data flow sent again by the 4th physical port.The network equipment as a result,
The first physical port send the first data flow, the second physical port send the second data flow, third physical port send third
Data flow, the 4th physical port send the 4th data flow.When the first physical port, which breaks down, to continue transmitted traffic, lead
Cause the first data flow for being assigned to the first physical port after first time load balancing Hash calculates that cannot continue through the
One physical port is sent.The network equipment also has three road equivalent route strategies at this time, and the network equipment can be according to data
The characteristic element field of stream carries out second of load balancing Hash to first data flow and calculates, that is, will be under fast-turn construction list item
One jump is 2.2.2.2, and outgoing interface is that the data flow of the first physical port carries out a load balancing again according to characteristic element field
Hash is calculated, and first data flow is sent by the second physical port, third physical port and the 4th physical port.With table 2
For be explained, due to the first physical port failure cannot continue transmission data stream, need to by the first physics
The data flow that port is sent proceeds through second of load balancing Hash and calculates, by the first data flow Hash to the second physics
Port, third physical port and the 4th physical port, that is, by fast-turn construction list item outgoing interface be the first physical port, next-hop is
2.2.2.2 data flow Hash is to the second physical port, third physical port and the 4th physical port.It can be understood that passing through
First time load balancing, it is the second physical port to establish fast-turn construction list item outgoing interface, and next-hop is that the data flow of 3.3.3.3 continues to lead to
The transmission of the second physical port is crossed, by first time load balancing, it is third physical port, next-hop to establish fast-turn construction list item outgoing interface
The transmission of third physical port is continued through for the data flow of 4.4.4.4, by first time load balancing, fast-turn construction list item is established and goes out to connect
Mouth is the 4th physical port, and the data flow that next-hop is 5.5.5.5 continues through the transmission of the 4th physical port, loads divide for the second time
It is the first physical port just for fast-turn construction list item outgoing interface to carry on a shoulder pole Hash and calculate also, and next-hop is the data flow of 2.2.2.2.Accordingly
It is found that after the first physical port breaks down, the second physical port, third physical port and the 4th physical port will not only be sent
The data flow for the distribution that first time load balancing Hash calculates, but also to send to calculate by second of load balancing Hash and divide
The data flow matched.
Table 2
In another particular embodiment of the invention, the first physical port that the data flow is sent in the network equipment goes out
Before sending sorted data flow according to determining physical port to the network equipment after existing failure, the method is also
Including：
When the network equipment send the data flow the second physical port break down when, the network equipment according to
Third critical field carries out third time load balancing Hash to the data flow sent by first physical port and calculates, will be by institute
The data flow for stating the transmission of the second physical port is evenly distributed to other physical ports of the network equipment.
Table three
This is described by taking content shown in table 3 as an example below, after the failure of the first physical port, the second physics
Port equally break down cannot continue transmitted traffic in the case of, the network equipment need to the second physical port failure it
Preceding transmitted data flow carries out third time load balancing Hash and calculates, the data flow that will be sent before the second physical port failure
The physical port of the data flow can normally be sent by being evenly distributed to other, as shown in table 3, be referred to the event of the second physical port
Hinder the data flow sent before and is assigned to other third physical ports and the 4th physical port for capableing of normal transmitting data flow.This
When, third physical port will not only be sent by calculating distributed data flow with second of load balancing Has for the first time, also be wanted
Send the data flow that assigned third physical port is calculated by third time load balancing Hash.4th physical port is equally not
The data flow by calculating assigned 4th physical port with second of load balancing Hash for the first time is only sent, also to be sent out
The data flow that third time load balancing Hash calculates assigned 4th physical port is crossed in the warp let-off.
In another specific implementation mode, when first physical port restores to send the ability of the data flow, institute
State the hair that first time load balancing Hash is calculated the sorted data flow according to the physical port after calculating by the network equipment
It send.
For example, when the first physical port fault recovery, and when can continue to transmission data stream, then the network is set
Standby only to carry out a load balancing Hash calculating to the data flow received, the network equipment carries out data stream negative for the first time
Load shares calculating process and can refer to above-mentioned associated description content, and details are not described herein again.Accordingly it is found that the of the network equipment
After one physical port restores the function of transmission data stream, it is only necessary to carry out a load balancing Hash to the data flow of reception and calculate
Data flow is evenly distributed to the physical port of the network equipment, without network by the path that can be obtained data flow
Equipment carries out load balancing Hash calculating to data stream for the second time.
S304：The physical port for transmission first sub-data flow that the network equipment is determined via the network equipment
Send first sub-data flow, and the physical port of transmission second sub-data flow determined via the network equipment
Send second sub-data flow.
In a specific embodiment, according to the path obtained in above-mentioned S303 that the first sub-data flow and second is sub
Data flow is sent from corresponding physical port.For example, if the network equipment passes through four road equivalent route strategies
Load balancing is carried out to data stream, then data flow is subjected to load balancing calculating according to the characteristic element fields of data flow,
The transmitting path of the data flow is obtained, then sends the data flow from physical port corresponding with transmitting path.
If the network equipment carries out load balancing by four road equivalent route strategies to data stream, when event occurs in the first physical port
When barrier cannot continue transmission data stream, first time load balancing of the network equipment according to S301 calculates and second negative
It carries sharing calculating as a result, obtaining the path of the transmission of data flow, and data flow is passed through into physics corresponding with path end
Mouth is sent.
For example, the network equipment carries out the first Load Sharing Algorithm by four road equivalent route strategies to data stream
It calculates, and determines the physical port of transmission data stream, wherein the data flow that the first physical port of the network equipment is sent is
First sub-data flow, the data flow that other physical ports of the network equipment are sent is the second sub-data flow.If the net
The first physical port failure of network equipment cannot continue transmission data stream, then need to sent by the first physical port the
One sub-data flow carries out the second load balancing calculating, and the first sub-data flow is assigned to other physics ends of the network equipment
Mouthful.Data flow is calculated by the first Load Sharing Algorithm determines the physical port for sending the second sub-data flow, and negative by second
It carries Sharing Algorithm and determines the physical port for sending the first sub-data flow.The physical port that data flow determines according to the method described above carries out
It sends.
In a specific embodiment, if the network equipment flows into data by four road equivalent route strategies
Row load balancing, after the failure of the first physical port, when the second physical port also breaks down, the network equipment pair
The third sub-data flow progress third load balancing calculating sent by the second physical port is determined according to the first load balancing, by the
Three sub-data flows are assigned to the other physical ports for capableing of normal transmission data stream of the network equipment.The network equipment according to
The physical port that first load balancing, the second load balancing and third load balancing determine sends the data flow.
During carrying out load balancing to data stream, the network equipment and the network described in purpose of transmission data stream
Multiple and different links can be formed between equipment, if demand carries out TCP to the data flow of particular link accelerates business, it is necessary to
Business is accelerated to this link establishment TCP that above-mentioned specific data stream is passed through.When the network equipment and mesh of transmission data stream
The network equipment between a certain link break down and when cannot continue transmission data stream, transmission data stream it is described
Great changes will take place if the link for carrying out data flow again data flow can be caused to send if load balancing calculates for the network equipment,
It may result in those in this way and rely on the TCP that data flows are established and accelerate business that can not stablize and come into force.By above method step, work as hair
When sending a physical port of the network equipment of data flow that cannot continue transmission data stream because of breaking down, to occurring
Data flow transmitted by failed physical port re-starts load balancing calculating, without the data flow sent to other physical ports
Load balancing calculating is carried out, the unstability of data flow transition generation can be thus reduced, keep its of the network equipment
The data flow that its physical port is sent, increases the stability of data stream transmitting, can meet the needs of business transmission.
In a specific embodiment, the network equipment is determined according to the first Load Sharing Algorithm for sending number
According to the physical port of stream, including：
The data flow is divided into M sub-data flow by the network equipment.M is the physical port of the first port set
The positive integer times of N.
The network equipment determines the corresponding physical port of the M sub-data flow.The network equipment is according to described
One Load Sharing Algorithm determines that the physical port for sending the data flow is the corresponding physics end of the M sub-data flow
Mouthful.Each sub-data flow corresponds to a physical port in the first port set.Each of described first port set
The quantity of the corresponding sub-data flow of physical port is M/N.
For example, four road routing policy transmission data stream of the network equipments configuration, this four roads routing policy correspond to institute
State four physical ports of the network equipment.It is 12 to calculate and obtain 4 least common multiple, therefore the network equipment is closed according to first
The data flow is equally divided into 12 parts by key field, this 12 parts of data streams are then evenly distributed to 4 of the network equipment
Physical port, that is to say, that 3 parts of data flows are assigned in each physical port.If a physics end of the network equipment
It, can be equal by 3 parts of data levellings of the physical port to break down when mouth cannot continue transmission data stream because breaking down
The physical ports of other three normal works are assigned to, the data flow of non-working port is assigned to other can normally send in this way
Physical port, do not interfere with the stability of other physical port data stream transmittings.
Fig. 4 is a kind of 400 structural schematic diagram of the network equipment that data stream load is shared provided by the embodiments of the present application.Fig. 4
Shown in equipment can be preceding method embodiment in the network equipment, may be implemented to realize the network equipment described above
Function.The network equipment includes determination unit 401 and transmission unit 402.
Determination unit 401 is used for the physical port for transmission data stream according to the determination of the first Load Sharing Algorithm, according to
The physical port that first Load Sharing Algorithm determines is that first port set determines physical port.Including the first physical port
The first port set in multiple ports be the network equipment physical port.
Transmission unit 402 is used to be used to send the data flow via what is determined according to first Load Sharing Algorithm
Physical port sends the data flow.
Determination unit 401 is additionally operable to send the data flow via the physical port determined according to the first Load Sharing Algorithm
During, if first physical port breaks down, determined according to first Load Sharing Algorithm for sending
The physical port of second sub-data flow, and the physics for sending the first sub-data flow is determined according to the second Load Sharing Algorithm
Port.The physical port determined according to second Load Sharing Algorithm is the physical port in second port set.Described
Two-port netwerk set does not include first physical port.Multiple ports that the second port set includes are the network equipments
Physical port.First sub-data flow is to be determined to be sent out by first physical port according to first Load Sharing Algorithm
The sub-data flow sent.Second sub-data flow is to be determined by the first port set according to first Load Sharing Algorithm
In the sub-data flow that sends of other physical ports in addition to first physical port.First sub-data flow and described
Two sub-data flows are the sub-data flows in the data flow.
Transmission unit 402 is additionally operable to send the data flow in the physical port determined according to the first Load Sharing Algorithm
In the process, if first physical port breaks down, the result determined according to determination unit is by sending first subnumber
First sub-data flow is sent according to the physical port of stream, and via the physics end of determining transmission second sub-data flow
Mouth sends second sub-data flow.
In a specific embodiment, when the equipment further includes allocation unit.
The allocation unit 403 is used to the data flow being divided into M sub-data flow.M is the first port set
The positive integer times of physical port N.
The determination unit 401 is additionally operable to determine the corresponding physical port of the M sub-data flow.It is negative according to described first
It carries Sharing Algorithm and determines that the physical port for sending the data flow is the corresponding physical port of the M sub-data flow.Often
A sub-data flow corresponds to a physical port in the first port set, each physics end in the first port set
The quantity of the corresponding sub-data flow of mouth is M/N.
In a specific embodiment, the determination unit 401 is for will be in the data flow according to hash algorithm
The field of message determines the cryptographic Hash of the hash algorithm as Hash keys.
The network equipment determines the physical port for sending the data flow according to the cryptographic Hash.The field packet
Include source Internet protocol IP address, purpose IP address, source port number, destination slogan and protocol number.
In specific implementation mode, the specific implementation mode of the determination unit 401 and the transmission unit 402 can join
The function and implementation steps for examining the network equipment described in Fig. 3 method Structure and Process schematic diagrams repeat no more for brief introduction.
Fig. 5 provides another data stream load for the embodiment of the present application and shares 500 structural schematic diagram of equipment.Shown in Fig. 5
Equipment can be first network equipment in preceding method embodiment in Fig. 1 and Fig. 2, can also be the network equipment in Fig. 3,
The function of the network equipment may be implemented.The equipment includes processor 501 and transceiver 502 and connection processing device 501
With the various connecting lines 503 of transceiver 502, wherein processor 501 is connected with transceiver 502 by bus.
In a kind of possible embodiment, the equipment 500 further includes memory 504.Memory 504 is for storing journey
Sequence instructs or program 505, and memory 504 may include that high-speed random access memory device 504 may include high random access
Memory (RAM：Random Access Memory), it is also possible to further include non-labile memory (non-volatile
Memory), a for example, at least magnetic disk storage, processor 501 can call the program instruction stored in memory 504 to execute
Corresponding function.
In a kind of specific embodiment：
The processor 501 is used to determine the physical port for transmission data stream according to the first Load Sharing Algorithm.Root
The physical port determined according to first Load Sharing Algorithm is that first port set determines physical port.Including the first physics end
Multiple ports in the first port set of mouth are the physical ports of the network equipment.
The transceiver 502 is used to be used to send the data flow via what is determined according to first Load Sharing Algorithm
Physical port send the data flow.
The processor 501 is additionally operable to send the data via the physical port determined according to the first Load Sharing Algorithm
During stream, if first physical port breaks down, the network equipment is calculated according to first load balancing
Method determines the physical port for sending the second sub-data flow, and is determined according to the second Load Sharing Algorithm for sending first
The physical port of sub-data flow, the physical port determined according to second Load Sharing Algorithm are the objects in second port set
Manage port.The second port set does not include first physical port, multiple ports that the second port set includes
It is the physical port of the network equipment.First sub-data flow is to be determined by described according to first Load Sharing Algorithm
The sub-data flow that first physical port is sent.Second sub-data flow for according to first Load Sharing Algorithm determine by institute
State the sub-data flow that other physical ports in first port set in addition to first physical port are sent.First son
Data flow and second sub-data flow are the sub-data flows in the data flow.
The transceiver 502 is additionally operable to the object for sending first sub-data flow determined via the network equipment
It manages port and sends first sub-data flow, and be used to send second sub-data flow via what the network equipment determined
Physical port send second sub-data flow.
In the specific implementation mode, the specific implementation of the transceiver and the processor can be with institute in reference chart 1 and Fig. 2
It states first network equipment and is repeated no more for brief introduction with the function and implementation steps of the network equipment described in Fig. 3.
In several embodiments provided herein, it should be understood that disclosed system and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the module, only
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple module or components can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or unit
Letter connection can be electrical, machinery or other forms.
The module illustrated as separating component may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each function module in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that modules physically exist alone, it can also be during two or more modules be integrated in one unit.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of hardware adds SFU software functional unit.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its arbitrary combination real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer can be with
Storage in a computer-readable storage medium, or from a computer readable storage medium to another computer-readable storage
Medium transmits, for example, the computer instruction can be from a web-site, computer, server or data center by having
Line (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as red line, Wireless microwave etc.) mode to another
Web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer capacity
Any usable medium enough accessed is either deposited comprising data such as one or more usable mediums integrated server, data centers
Store up equipment.The usable medium can be magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (such as DVD) or
Semiconductor medium (such as solid state disk Solid State Disk (SSD)) etc..
Claims (6)
1. a kind of method that data stream load is shared, which is characterized in that the method includes：
The network equipment determines the physical port for transmission data stream according to the first Load Sharing Algorithm, is loaded according to described first
The physical port that Sharing Algorithm determines is that first port set determines physical port, includes the first end of the first physical port
Multiple ports in mouth set are the physical ports of the network equipment；
The network equipment is via the physics end for sending the data flow determined according to first Load Sharing Algorithm
Mouth sends the data flow；
The process of the data flow is sent via the physical port determined according to the first Load Sharing Algorithm in the network equipment
In, if first physical port breaks down, the network equipment is determined according to first Load Sharing Algorithm and is used
It is determined in the physical port for sending the second sub-data flow, and according to the second Load Sharing Algorithm for sending the first sub-data flow
Physical port, the physical port determined according to second Load Sharing Algorithm is physical port in second port set,
The second port set does not include first physical port, and multiple ports that the second port set includes are the nets
The physical port of network equipment, first sub-data flow are to be determined by first physics according to first Load Sharing Algorithm
The sub-data flow that port is sent, second sub-data flow are to be determined by the first end according to first Load Sharing Algorithm
The sub-data flow that other physical ports in addition to first physical port are sent in mouthful set, first sub-data flow and
Second sub-data flow is the sub-data flow in the data flow；
The network equipment is sent via the physical port for sending first sub-data flow that the network equipment determines
First sub-data flow, and the physical port for sending second sub-data flow determined via the network equipment
Send second sub-data flow.
2. according to the method described in claim 1, it is characterized in that, the network equipment is determined according to the first Load Sharing Algorithm
For the physical port of transmission data stream, including：
The data flow is divided into M sub-data flow by the network equipment, and M is the physical port N's of the first port set
Positive integer times；
The network equipment determines that the corresponding physical port of the M sub-data flow, the network equipment are negative according to described first
It carries Sharing Algorithm and determines that the physical port for sending the data flow is the corresponding physical port of the M sub-data flow, often
A sub-data flow corresponds to a physical port in the first port set, each physics end in the first port set
The quantity of the corresponding sub-data flow of mouth is M/N.
3. method according to claim 1 or 2, which is characterized in that the network equipment is according to the first Load Sharing Algorithm
Determine the physical port for transmission data stream, including：
The network equipment, using the field of the message in the data flow as Hash keys, determines the Hash according to hash algorithm
The cryptographic Hash of algorithm；
The network equipment determines the physical port for sending the data flow according to the cryptographic Hash, and the field includes source
Internet protocol IP address, purpose IP address, source port number, destination slogan and protocol number.
4. a kind of network equipment, which is characterized in that the network equipment includes：
Determination unit, for determining the physical port for transmission data stream according to the first Load Sharing Algorithm, according to described the
The physical port that one Load Sharing Algorithm determines is that first port set determines physical port, including described in the first physical port
Multiple ports in first port set are the physical ports of the network equipment；
Transmission unit, for via the physics end for sending the data flow determined according to first Load Sharing Algorithm
Mouth sends the data flow；
The determination unit is additionally operable to send the data flow via the physical port determined according to the first Load Sharing Algorithm
In the process, it if first physical port breaks down, is determined according to first Load Sharing Algorithm for sending the
The physical port of two sub-data flows, and the physics end for sending the first sub-data flow is determined according to the second Load Sharing Algorithm
Mouthful, the physical port determined according to second Load Sharing Algorithm is physical port in second port set, described second
Port set does not include first physical port, and multiple ports that the second port set includes are the network equipments
Physical port, first sub-data flow are to be determined to be sent by first physical port according to first Load Sharing Algorithm
Sub-data flow, second sub-data flow be according to first Load Sharing Algorithm determine by the first port set
The sub-data flow that other physical ports in addition to first physical port are sent, first sub-data flow and described second
Sub-data flow is the sub-data flow in the data flow；
The transmission unit is additionally operable to send the mistake of the data flow in the physical port determined according to the first Load Sharing Algorithm
Cheng Zhong, if first physical port breaks down, the result determined according to determination unit is by sending first subdata
The physical port of stream sends first sub-data flow, and via the physical port of determining transmission second sub-data flow
Send second sub-data flow.
5. equipment according to claim 4, which is characterized in that the equipment also packet allocation unit, wherein
The allocation unit, for the data flow to be divided into M sub-data flow, M is the physics end of the first port set
The positive integer times of mouth N；
The determination unit is additionally operable to determine the corresponding physical port of the M sub-data flow, according to first load balancing
Algorithm determines that the physical port for sending the data flow is the corresponding physical port of the M sub-data flow, each subnumber
According to a physical port in the corresponding first port set of stream, each physical port in the first port set corresponds to
Sub-data flow quantity be M/N.
6. equipment according to claim 4 or 5, which is characterized in that
The determination unit, for, using the field of the message in the data flow as Hash keys, determining institute according to hash algorithm
The cryptographic Hash of hash algorithm is stated, and the physical port for sending the data flow, the field are determined according to the cryptographic Hash
Including source Internet protocol IP address, purpose IP address, source port number, destination slogan and protocol number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114911.0A CN108512771A (en) | 2017-02-28 | 2017-02-28 | A kind of method and apparatus that data stream load is shared |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114911.0A CN108512771A (en) | 2017-02-28 | 2017-02-28 | A kind of method and apparatus that data stream load is shared |
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| Publication Number | Publication Date |
|---|---|
| CN108512771A true CN108512771A (en) | 2018-09-07 |
Family
ID=63373303
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710114911.0A Withdrawn CN108512771A (en) | 2017-02-28 | 2017-02-28 | A kind of method and apparatus that data stream load is shared |
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| Country | Link |
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| CN (1) | CN108512771A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714259A (en) * | 2018-12-27 | 2019-05-03 | 新华三技术有限公司 | A kind of flow processing method and device |
| CN111416776A (en) * | 2019-01-07 | 2020-07-14 | 华为技术有限公司 | Method and network device for transmitting data |
-
2017
- 2017-02-28 CN CN201710114911.0A patent/CN108512771A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714259A (en) * | 2018-12-27 | 2019-05-03 | 新华三技术有限公司 | A kind of flow processing method and device |
| CN109714259B (en) * | 2018-12-27 | 2021-04-27 | 新华三技术有限公司 | Traffic processing method and device |
| CN111416776A (en) * | 2019-01-07 | 2020-07-14 | 华为技术有限公司 | Method and network device for transmitting data |
| US12015560B2 (en) | 2019-01-07 | 2024-06-18 | Huawei Technologies Co., Ltd. | Data transmission method and network device |
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Application publication date: 20180907 |