CN109639590A - Realize the data transmission method and routing node device of the equilibrium of non-equivalence line load - Google Patents
Realize the data transmission method and routing node device of the equilibrium of non-equivalence line load Download PDFInfo
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- CN109639590A CN109639590A CN201910037384.7A CN201910037384A CN109639590A CN 109639590 A CN109639590 A CN 109639590A CN 201910037384 A CN201910037384 A CN 201910037384A CN 109639590 A CN109639590 A CN 109639590A
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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
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The present invention provides a kind of data transmission method and routing node device for realizing non-equivalence line load equilibrium, method, which includes: the first via, to be based on every transmission line by node and creates session connection, and the session connection number on an at least transmission line is more than or equal to 2, and when to carry out data transmission based on all session connections, bandwidth availability ratio is higher than bandwidth availability ratio when carrying out data transmission based on transmission line described in every；The first via is based on equal cost load-balancing rule by node, is carried out data transmission by all session connections and secondary route node.Method provided by the invention, data traffic to be transmitted can be distributed evenly in all session connections carried out data transmission, realize that the load balancing of non-equivalence route effectively reduces the waste of bandwidth resources to improve the bandwidth resources utilization rate of transmission line.
Description
Technical field
The present invention relates to technical field of data transmission, in particular to a kind of data for realizing non-equivalence line load equilibrium pass
Transmission method and routing node device.
Background technique
With the development of internet, network application business constantly expands, and during realizing various businesses, needs to carry out
The data of transmission are increasing.When the bandwidth upper limit of route original between the routing node carried out data transmission cannot obviously have been held
When carrying increasing data transfer task, in order to ensure the efficiency of data transmission, it will usually carry out data transmission at two
Increase a higher transmission line of bandwidth between routing node.In this way, between two routing nodes carried out data transmission
The bandwidth of two transmission lines is then inconsistent, i.e. two transmission lines non-equivalences between two routing nodes.
In the prior art, no matter a plurality of when being carried out data transmission between two routing nodes by plurality of transmission lines
Whether transmission line is of equal value, is all based on equal cost load-balancing rule and divides equally total data flow on every transmission lines road.So
When the bandwidth of newly-increased route and original transmission line is inconsistent, if plurality of transmission lines is used for data transmission simultaneously,
The data traffic so transmitted can divide equally on plurality of transmission lines road.Then the total bandwidth upper limit of plurality of transmission lines is by original transmission
The limitation of the bandwidth upper limit of route (low bandwidth) only up to be twice of the bandwidth upper limit of original transmission line bandwidth.In this way,
The transmission line utilization rate of the higher bandwidth upper limit is lower, discontented state of running is constantly in, especially when newly-increased transmission line
When the bandwidth upper limit is much higher than the bandwidth upper limit of original transmission line, the bandwidth resources of transmission line are greatly wasted.And if
In order to obtain the higher available bandwidth upper limit, extension wire is set by the lower transmission line of the bandwidth upper limit, only works as bandwidth
After the higher transmission line of the upper limit breaks down, can just it be used.In this way, the lower transmission line of the bandwidth upper limit is chronically at
Idle state also greatly wastes the bandwidth resources of transmission line.
Summary of the invention
The embodiment of the invention provides a kind of data transmission methods and routing node for realizing non-equivalence line load equilibrium
Equipment.The technical solution is as follows:
In a first aspect, provide a kind of data transmission method for realizing non-equivalence line load equilibrium, including the first via by
Plurality of transmission lines not exclusively of equal value between node and secondary route node, which comprises
The first via is based on every transmission line by node and creates session connection, and an at least transmission
Session connection number on route is more than or equal to 2, and when to carry out data transmission based on all session connections, bandwidth benefit
It is higher than bandwidth availability ratio when carrying out data transmission based on transmission line described in every with rate；
The first via is based on equal cost load-balancing rule by node, passes through all session connections and second tunnel
Carried out data transmission by node.
Further, the first via is based on every transmission line by node and creates session connection, specifically includes:
First routing node determines the corresponding all local session sub-interfaces of every transmission line and opposite end meeting
Talk about sub-interface；
First routing node connects the corresponding local session sub-interface of the same transmission line and opposite end session
Mouth corresponds, and creates session connection.
Further, first routing node determines the corresponding all local session sub-interfaces of every transmission line
It the step of with opposite end session sub-interface, specifically includes:
The bandwidth upper limit and preset local session sub-interface of first routing node according to transmission line described in every
Configuration rule determine the corresponding all local session sub-interfaces of every transmission line；
First routing node obtains the institute corresponding with transmission line described in every that the secondary route node is sent
State opposite end session sub-interface.
Further, first routing node connects according to the bandwidth upper limit and local session of transmission line described in every
Mouthful configuration rule the step of determining every transmission line corresponding all local session sub-interfaces, specifically include:
First routing node obtains the bandwidth upper limit of every transmission line respectively；
First routing node determines that every transmission line needs according to the numerical relation of all bandwidth upper limits
Create the number of session connection；
First routing node needs to create the number of session connection according to transmission line described in every, is accordingly transmitting
The local session sub-interface of corresponding number is created under the corresponding line port of route.
Further, first routing node determines described in every according to the numerical relation of all bandwidth upper limits
Transmission line needs to create the step of number of session connection, specifically includes:
First routing node first according to the greatest common divisor of all bandwidth upper limits, determines every transmission line
Road needs to create the number of session connection；
If the greatest common divisor of all bandwidth upper limits is 1 or the number of the session connection determined is greater than default threshold
Value, first routing node then determine that every transmission line needs to create meeting according to the ratio of all bandwidth upper limits
Talk about the number of connection.
Further, first routing node determines every institute according to the greatest common divisor of all bandwidth upper limits
The step of transmission line needs to create the number of session connection is stated, is specifically included:
First routing node determines all bandwidth upper limits according to the numerical relation of all bandwidth upper limits
Greatest common divisor；
The number that first routing node determines that every transmission line needs to create session connection is respective band
The ratio of the wide upper limit and the greatest common divisor.
Further, first routing node determines every transmission line according to the ratio of all bandwidth upper limits
Road needs to create the step of number of session connection, specifically includes:
First routing node determines all bandwidth upper limits according to the numerical relation of all bandwidth upper limits
Ratio, and be rounded upward or downward, generate most simple ratio of integers；
The number that first routing node determines that every transmission line needs to create session connection is described most simple
Corresponding numerical value in ratio of integers.
Further, first routing node is according to the number for creating session connection, in corresponding transmission line pair
The step of session sub-interface of corresponding number is created under the line port answered, specifically includes:
For every transmission lines, first routing node needs to create of session connection according to the transmission line
Number distributes multiple sub-interface numbers and multiple IP address for the transmission line；
First routing node is according to the multiple sub-interface number and the multiple IP address, in the transmission line
Multiple local session sub-interfaces are created under line port.
Further, first routing node is by the corresponding local session sub-interface of the same transmission line and opposite end
The step of session sub-interface corresponds, and creates session connection, specifically includes:
Sub-interface number of first routing node according to the local session sub-interface, IP address, with the opposite end meeting
Sub-interface number, the IP address for talking about sub-interface, determine the corresponding local session sub-interface of the same transmission line and opposite end session
The one-to-one relationship of sub-interface；
Based on each local session sub-interface and the one-to-one relationship, first routing node respectively with institute
Secondary route node is stated, session connection is created.
Further, first routing node obtain that the secondary route node sends with transmission line described in every
It the step of corresponding opposite end session sub-interface, specifically includes:
First routing node sends to the secondary route node and obtains institute corresponding with transmission line described in every
State the acquisition request of opposite end session sub-interface；
First routing node receive the secondary route node respond the acquisition request and send with every institute
State the corresponding opposite end session sub-interface of transmission line.
Further, the method also includes:
If the session connection is bgp session connection, first routing node modifies the preset secondary route
The corresponding Path selection parameter of node, wherein the Path selection parameter is to specified circuit by the road node transmission data Shi Keyong
The maximum number of diameter.
Second aspect, provides a kind of routing node device for realizing non-equivalence line load equilibrium, and described device includes
Connect creation module and data transmission module, in which:
The connection creation module is based on every transmission line creation session by node for the first via and connects
It connects, and the session connection number on an at least transmission line is more than or equal to 2, and to connect based on all sessions
It connects when carrying out data transmission, bandwidth availability ratio is higher than bandwidth usage when carrying out data transmission based on transmission line described in every
Rate；
The data transmission module, for based on equal cost load-balancing rule, by all session connections with it is described
Secondary route node carries out data transmission.
The third aspect, provides a kind of routing node device, and the routing node device includes memory and processor, institute
Memory is stated for storing computer program, when the computer program is executed by the processor, realizes above-mentioned non-equivalence line
The data transmission method of road load balancing.
It is provided by the invention realize equilibrium of non-equivalence line load data transmission method, by the first routing node with
Between secondary route node, based on the session connection that the creation of every transmission lines is transmitted for data, and at least one is transmitted
Session connection number on route is more than or equal to 2, and the bandwidth upper limit for creating the transmission line of multiple session connections is rationally divided
Be assigned to it is multiple for data transmission session connections so that based on equal cost load-balancing rule, by all session connections with
When secondary route node carries out data transmission, data traffic to be transmitted can be distributed evenly over it is all be used for data transmission
In session connection, the load balancing of non-equivalence route is realized, counted so that bandwidth availability ratio is higher than based on every transmission lines
The wide rate of band benefit when according to transmission, to effectively reduce the waste of bandwidth resources.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the data transmission method process signal for the realization non-equivalence line load equilibrium that certain embodiment of the invention provides
Figure；
Fig. 2 a creates multiple meetings for what certain embodiment of the invention provided between the first routing node and secondary route node
Talk about the schematic diagram one of connection；
Fig. 2 b creates multiple meetings for what certain embodiment of the invention provided between the first routing node and secondary route node
Talk about the schematic diagram two of connection；
Fig. 2 c creates multiple meetings for what certain embodiment of the invention provided between the first routing node and secondary route node
Talk about the schematic diagram three of connection；
Fig. 3 is that the structure of the routing node device for the realization non-equivalence line load equilibrium that certain embodiment of the invention provides is shown
It is intended to；
Fig. 4 is that the structure of the routing node device for the realization non-equivalence line load equilibrium that certain embodiment of the invention provides is shown
It is intended to.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present embodiment provides a kind of data transmission methods for realizing non-equivalence line load equilibrium, are mainly used in two roads
By the data transmission between node.Wherein, routing node can be router, be also possible to the interchanger with routing function,
It is possibly even virtual router or other equipment etc. with routing function.It can be understood as having with routing function
The function of router, can be to find an optimal transmission path by the data of router, and the data are effectively passed
It is defeated to arrive purpose website.When two routing nodes carry out data transmission, in order to improve efficiency of transmission, plurality of transmission lines can be passed through
Carry out data transmission, if the bandwidth upper limit in plurality of transmission lines with two transmission lines is different, i.e., a plurality of transmission
Route is not exclusively of equal value, then every transmission lines are non-equivalence route in the plurality of transmission lines.In order to avoid non-equivalence route
When carrying out data transmission, the wasting of resources as caused by transmission line load imbalance is non-etc. the present embodiment provides a kind of realization
The data transmission method of terms road load balancing is mainly respectively created multiple sessions under incomplete transmission line of equal value and connects
It connects, then, based on equal cost load-balancing rule, is carried out data transmission by all session connections.
It should be noted that the non-equivalence line load equilibrium in the present embodiment does not refer to the number of every transmission lines carrying
It is balanced according to transformation task amount, and refer to that the data transfer task amount of every transmission lines carrying is equal with respect to the accounting of its bandwidth upper limit
Weighing apparatus.
The data transmission method of the realization non-equivalence line load equilibrium is specifically described with reference to the accompanying drawing.
It is a kind of data transmission method for realizing non-equivalence line load equilibrium provided in an embodiment of the present invention referring to Fig. 1
Flow chart, this approach includes the following steps.
Step 101, the first via is based on every transmission lines by node and creates session connection, and an at least transmission lines
On session connection number be more than or equal to 2, and make based on all session connections carry out data transmission when, bandwidth availability ratio is higher than
The sharp width rate of band when being carried out data transmission based on every transmission lines.
In an implementation, if (for ease of description, two routing nodes may be respectively referred to as the first via to two routing nodes
By node and secondary route node) between plurality of transmission lines it is not exclusively of equal value when, can be based in the plurality of transmission lines
A transmission lines or plurality of transmission lines create it is multiple for data transmission session connections so that a transmission lines can
To include multiple session connections.And the session connection number of an at least transmission lines road is more than or equal to 2, then can at least incite somebody to action
One transmission lines are divided at least two session connections for data transmission.By the transmission that will create multiple session connections
The bandwidth upper limit reasonable distribution of route is to multiple session connections for data transmission, so that being carried out by all session connections
When data are transmitted, the load balancing of non-equivalence route can be realized based on equal cost load-balancing rule, bandwidth availability ratio is higher than base
Bandwidth availability ratio when every transmission lines carry out data transmission, to reduce the waste of bandwidth resources.
Wherein, incomplete equivalence can be understood as the bandwidth upper limit of plurality of transmission lines not exclusively.And transmission line
The bandwidth upper limit can be routing node voluntarily detect gained；When being also possible to carry out transmission line configuration, artificial write-in routing
Node.First routing node creates session connection, can be also possible to artificially pass through operation by loading session configuration file
Session configuration is written in interface；It is also possible to transfer pre-stored session configuration file.Wherein, session configuration file be in order to
The configuration file for reaching and establishing session connection between the first routing node and secondary route node, and be written.
It should be noted that the name of the first routing node and secondary route node is only to facilitate retouch in the present embodiment
It states and distinguishes, the order and operation that the two can functionally be executed without otherness, all first routing nodes substantially,
Secondary route node can equally execute.
Optionally, the first routing node can create session connection by creation sub-interface.So the first routing node
Based on the process of every transmission lines creation session connection, can specifically include: the first routing node determines every transmission lines
Corresponding all local session sub-interfaces and opposite end session sub-interface；First routing node is by the corresponding local of same transmission line
Session sub-interface and opposite end session sub-interface correspond, and create session connection.
In an implementation, session connection is created by creation sub-interface, then the session sub-interface under every transmission lines, only
It can be attached with the opposite end session sub-interface under same transmission lines.So in order in local session sub-interface and opposite end
Session connection is created between session sub-interface, the first routing node also needs to determine the corresponding all locals of every transmission lines
Session sub-interface and opposite end session sub-interface.First routing node has determined the corresponding all local meetings of every transmission lines
After talking about sub-interface and opposite end session sub-interface, to establish multiple effective session connections, so as to data transmission, also needing will be same
The corresponding local session sub-interface of one transmission line and opposite end session sub-interface correspond.Then, it is closed according to the one-to-one correspondence
System, successively creates multiple session connections.Wherein, multiple effective session connections can be understood as multiple session connections can be simultaneously
Carry out data transmission.Multiple effective session connections are created, then different local session sub-interfaces cannot be with the same opposite end meeting
Words sub-interface is attached, so need to be by the corresponding local session sub-interface of same transmission line and opposite end session sub-interface one by one
It is corresponding, and it is based on the one-to-one relationship, create multiple session connections.
Optionally, in order to reduce artificial workload, the configuration rule of local session sub-interface can be preset, so as to the first via
Session sub-interface can be determined by executing configuration by node.So the first routing node determines every transmission according to session configuration file
It the step of corresponding all local session sub-interfaces of route and opposite end session sub-interface, can specifically include: the first routing node
Session configuration file is read, and is determined often according to the bandwidth upper limit of every transmission lines and the configuration rule of local session sub-interface
The corresponding all local session sub-interfaces of transmission lines；First routing node obtains passing with every for secondary route node transmission
The corresponding opposite end session sub-interface of defeated route.
In an implementation, when transmission line is more, accordingly, it is desirable to which the session connection number established also can be more.At that time,
If still manually writing session configuration file, larger workload.So every biography can be written in session configuration file
The bandwidth upper limit of defeated route and the configuration rule of local session sub-interface, then the first routing node is true according to session configuration file
When determining the corresponding all local session sub-interfaces of every transmission lines and opposite end session sub-interface, so that it may read the meeting of load
Configuration file is talked about, and according to the configuration rule of the bandwidth upper limit of every transmission lines and local session sub-interface, determines every biography
The corresponding all local session sub-interfaces of defeated route；Then the first routing node obtain again secondary route node transmission with every
The corresponding opposite end session sub-interface of transmission line.
Optionally, the first routing node can be corresponding in corresponding transmission line according to the numerical relation of all bandwidth upper limits
Line port under create the local session sub-interface of corresponding number.That is the first routing node is according to the bandwidth of every transmission lines
The configuration rule of the upper limit and local session sub-interface determines the step of the corresponding all local session sub-interfaces of every transmission lines
Suddenly, can specifically include: the first routing node first obtains the bandwidth upper limit of every transmission lines respectively；Further according in all bandwidth
The numerical relation of limit determines that every transmission lines need to create the number of session connection；Then according to every transmission lines needs
The number for creating session connection, local session that corresponding number is created under the corresponding line port of corresponding transmission line connect
Mouthful.
In an implementation, the first routing node can first obtain the bandwidth upper limit of every transmission lines, transmit further according to every
The bandwidth upper limit of route and the configuration rule of local session sub-interface determine corresponding all local session of every transmission lines
Interface.Wherein, the configuration rule of local session sub-interface, it can be understood as the above-mentioned every transmission lines of determination are all corresponding
The specific steps of ground session sub-interface.In the bandwidth of the every transmission lines needed during determining local session sub-interface
Limit, can directly read from session configuration file, the bandwidth upper limit, that is, corresponding line port of every transmission lines can carry
Maximum data flow.After reading the bandwidth upper limit, the first routing node determines every according to the numerical relation of all bandwidth upper limits
Transmission line needs to create the number of session connection.Wherein, the numerical relation of all bandwidth upper limits specifically can be ratio relation,
Difference relationship or other numerical relations.After the number that every transmission lines need to create session connection has been determined, the first via by
Node creates the local session sub-interface of corresponding number under the corresponding line port of corresponding transmission line, connects for establishing session
It connects.
Optionally, it can determine that every transmission lines need to create according to the greatest common divisor or ratio of all bandwidth upper limits
Build the number of session connection.That is the first routing node determines that every transmission lines need according to the numerical relation of all bandwidth upper limits
The step of creating the number of session connection can specifically include: the first routing node is first according to the maximum of all bandwidth upper limits
Common divisor determines that every transmission lines need to create the number of session connection；If the greatest common divisor of all bandwidth upper limits be 1 or
The number of determining session connection is greater than preset threshold, and the first routing node then determines every according to the ratio of all bandwidth upper limits
Transmission line needs to create the number of session connection.
In an implementation, in order to realize the maximum of the load balancing of non-equivalence route and the bandwidth resources of plurality of transmission lines
Utilization rate, the first routing node can set the greatest common divisor of the bandwidth upper limit of all transmission lines to each session and connect
The bandwidth upper limit connect, to determine that session connects according to the bandwidth upper limit of the bandwidth upper limit of every transmission lines and each session connection
The number connect.But on the one hand the session connection number based on the creation of every transmission lines also excessively should not create excessive meeting
Words connection, can consume the data processing resources of the first routing node, and take a long time；On the other hand excessive session is created to connect
It connects, then when carrying out data transmission, the data packet of transmission is smaller, and transmission speed is also relatively slow.So can be total session connection
Number setting threshold value, when the number of determining session connection is greater than preset threshold, the first routing node is then according to all bandwidth upper limits
Ratio determine that every transmission lines need to create the number of session connection.In addition, when transmission line has a plurality of, Ke Nengsuo
The highest common divisor for having the bandwidth upper limit is 1, and the first routing node then can also determine every biography according to the ratio of all bandwidth upper limits
Defeated route needs to create the number of session connection.Wherein, the threshold value of session connection number can be any nature between 6-32
Number, the present embodiment do not limit this.
Optionally, the greatest common divisor based on the above-mentioned bandwidth upper limit by all transmission lines is set as each session connection
The bandwidth upper limit, so that it is determined that every transmission lines need to create the principle of the number of session connection, the first routing node according to
The greatest common divisor of all bandwidth upper limits, determines the step of every transmission lines need to create the number of session connection, specifically may be used
To include: the first routing node first according to the numerical relation of all bandwidth upper limits, the greatest common divisor of multiple bandwidth upper limits is determined；
The number for determining that every transmission lines need to create session connection again is the ratio of respective the bandwidth upper limit and greatest common divisor.
In an implementation, the first routing node determines multiple bandwidth upper limits most according to the numerical relation of all bandwidth upper limits
Big common divisor.For example, between the first routing node and secondary route node with a 10G bandwidth upper limit transmission line and
The transmission line of one 40G bandwidth upper limit, then the greatest common divisor of multiple bandwidth upper limits is 10G.It then as shown in Figure 2 a, can be with base
4 session connections can be created in the transmission line of the 40G bandwidth upper limit, the transmission line based on the 10G bandwidth upper limit can create 1
A session connection.If between the first routing node and secondary route node with a 25G bandwidth upper limit transmission line and
The transmission line of one 70G bandwidth upper limit, then the greatest common divisor 5G of multiple bandwidth upper limits.It can be based on the 25G bandwidth upper limit
Transmission line can create 5 session connections, and the transmission line based on the 70G bandwidth upper limit can create 14 session connections.Base
Session connection is created in greatest common divisor, the bandwidth upper limit of each session connection is the greatest common divisor of all bandwidth upper limits.
So when being carried out data transmission based on each session connection, it can be with the load balancing of effective guarantee non-equivalence route, and do not have substantially
There are idle bandwidth resources, to improve the bandwidth resources utilization rate of transmission line, effectively reduces the waste of bandwidth resources.
It should be noted that the bandwidth upper limit of transmission line is logical when the greatest common divisor for carrying out multiple bandwidth upper limits calculates
It is often the integral multiple of 5G, so usually can all there is greatest common divisor.Even if when a certain bandwidth upper limit is not the integral multiple of 5G,
The first routing node default can be enabled to be calculated according to the integral multiple of immediate 5G.By the bandwidth upper limit and greatest common divisor
Ratio determines the number of session connection,
Optionally, when the numerical relation of all bandwidth upper limits, it is not suitable for determining session connection number according to greatest common divisor
When, it can determine that every transmission lines need to create the number of session connection, specific steps according to the ratio of all bandwidth upper limits
It may include: numerical relation of first routing node according to all bandwidth upper limits, determine the ratio of all bandwidth upper limits, and upwards
Or be rounded downwards, generate most simple ratio of integers；First routing node determines that every transmission lines need to create the number of session connection
For corresponding numerical value in most simple ratio of integers.
In an implementation, above-mentioned to be not suitable in the case where determining session connection number according to greatest common divisor, usual all biographies
The ratio of the bandwidth upper limit of defeated route can have non integer value.But session connection number must be integer, so the first via by
Node after the ratio for determining all bandwidth upper limits, will be also rounded upward or downward according to the numerical relations of all bandwidth upper limits,
Generate most simple ratio of integers.It specifically rounds up or is rounded downwards, can be determined according to the height of bandwidth availability ratio, selection benefit
With the higher rounding mode of rate.For example, with the biography of a 25G bandwidth upper limit between the first routing node and secondary route node
The transmission line of defeated route and a 40G bandwidth upper limit, the most simple ratio of integers of two bandwidth upper limits are the ratio of two bandwidth upper limits
Value rounds up resulting 1:2.Then as shown in Figure 2 b, 2 sessions can be created based on the transmission line of the 40G bandwidth upper limit to connect
It connects, each session connection can share the bandwidth upper limit of 20G；Transmission line based on the 25G bandwidth upper limit can create 1 session
Connection, the bandwidth upper limit is still 25G.When then being carried out data transmission based on this three session connections, the band of each session connection
The wide upper limit is 20G, the idle bandwidth of only 5G.Compared with the existing technology for (idle 25G or 15G), opposite it can realize non-
The load balancing of route of equal value effectively reduces idle bandwidth resources, improves the bandwidth resources utilization rate of transmission line, subtracts
The waste of bandwidth resources is lacked.For another example, there is a 25G bandwidth upper limit between the first routing node and secondary route node
The transmission line of transmission line and a 80G bandwidth upper limit, the most simple ratio of integers of two bandwidth upper limits are two bandwidth upper limits
Ratio is rounded downwards resulting 1:3.Then as shown in Figure 2 c, 3 sessions can be created based on the transmission line of the 80G bandwidth upper limit to connect
It connects, and the bandwidth upper limit of 25G, 25G, 30G is respectively configured for 3 session connections；It is created under transmission line based on the 25G bandwidth upper limit
1 session connection is built, the bandwidth upper limit is 25G.When then being carried out data transmission based on this four session connections, each session connection
The bandwidth upper limit be 25G, the idle bandwidth of only 5G.The load balancing that can equally realize non-equivalence route relatively, effectively subtracts
Lack idle bandwidth resources and effectively reduces the wave of bandwidth resources to improve the bandwidth resources utilization rate of transmission line
Take.In addition, with the transmission line and a 80G of a 25G bandwidth upper limit between the first routing node and secondary route node
When the transmission line of the bandwidth upper limit, the most simple ratio of integers of two bandwidth upper limits may be that the ratio of two bandwidth upper limits takes upwards
Whole resulting 1:4.4 session connections can be then created based on the transmission line of the 80G bandwidth upper limit, and are 4 session connections point
Not Pei Zhi 20G the bandwidth upper limit；1 session connection is created under transmission line based on the 25G bandwidth upper limit, the bandwidth upper limit is
25G.When then being carried out data transmission based on this five session connections, the bandwidth upper limit of each session connection is 20G, is at most also the spare time
Set the bandwidth resources of 5G, compared with the existing technology in leave unused 25G bandwidth resources, also can effectively improve the utilization of bandwidth resources
Rate also can solve the present embodiment technical problem to be solved.
Optionally, when creating session sub-interface, usually with sub-interface number and corresponding IP address come one meeting of unique identification
Talk about sub-interface.So number of first routing node according to creation session connection, in the corresponding line port of corresponding transmission line
It the step of lower session sub-interface for creating corresponding number, can specifically include: for every transmission lines, the first routing node root
It needs to create the number of session connection according to transmission line, distributes multiple sub-interface numbers and multiple IP address for transmission line；First
Routing node creates multiple local session according to multiple sub-interface numbers and multiple IP address under the line port of transmission line
Interface.
In an implementation, the first routing node needs to create the number of session connection according to transmission line, for transmission line point
With multiple sub-interface numbers and multiple IP address, it is possible to understand that be the number for needing to create session connection according to transmission line, to pass
The sub-interface number of the corresponding line port distribution corresponding number of defeated route and the IP address of corresponding number.With the session manually write
Configuration file is similar, when distributing sub-interface number here, the sub-interface number of the local session sub-interface of same transmission line, IP
The sub-interface number of location and opposite end session sub-interface, IP address correspond.It is also possible to default same session connection both ends
Sub-interface number is consistent.For example, with the transmission line of a 10G bandwidth upper limit between the first routing node and secondary route node
The transmission line on road and a 40G bandwidth upper limit.In order to realize the load balancing of route, in the transmission line of the 40G bandwidth upper limit
4 session sub-interfaces are created under corresponding line port；It is created under the corresponding line port of transmission line of the 10G bandwidth upper limit
1 session sub-interface.Then 5 session connections (default secondary route section can be created in the first routing node and secondary route node
Point also creates 4 session sub-interfaces under the corresponding line port of transmission line of its 40G bandwidth upper limit).It is then corresponding to execute
Code can be as follows:
The creation 4 under the corresponding line port of transmission line of the 40G bandwidth upper limit respectively can be realized by executing above-mentioned code
Session sub-interface；1 session sub-interface is created under the corresponding line port of transmission line of the 10G bandwidth upper limit.Wherein, B generation
Table secondary route node, 40GE1/0/1 represent the corresponding line port of transmission line of the 40G bandwidth upper limit, 40GE1/0/1.100
The session sub-interface of the sub-interface number 100 created under 40GE1/0/1 line port is represented, a.b.c.1d.e.f.g represents 40GE1/
The IP address of 0/1.100 session sub-interface.Certainly, secondary route node also executes corresponding operating, connect with the first routing node.
When optionally, due to creation session sub-interface, usually with sub-interface number and corresponding IP address come unique identification one
A session sub-interface.So the first routing node is sub by the corresponding local session sub-interface of same transmission line and opposite end session
The step of interface corresponds, and creates session connection, can specifically include: the first routing node is first according to local session sub-interface
Sub-interface number, IP address, sub-interface number, IP address with opposite end session sub-interface determine same transmission line corresponding
The one-to-one relationship of ground session sub-interface and opposite end session sub-interface；Then, based on each local session sub-interface and one by one
Corresponding relationship creates session connection with secondary route node respectively.
In an implementation, since when creating local session sub-interface, the sub-interface number of local session sub-interface, IP address are
It is correspondingly arranged with the sub-interface number of opposite end, IP address.So when creating session connection, it can be first according to local session
The sub-interface number of interface, IP address, sub-interface number, IP address with opposite end session sub-interface determine that same transmission line is corresponding
Each local session sub-interface and one-to-one relationship.Then it is closed again based on each local session sub-interface and one-to-one correspondence
System creates session connection with secondary route node respectively.So, it is ensured that create multiple can carry out data transmission simultaneously
Active session connection.
Optionally, if the first routing node obtains information from secondary route node, it usually needs first to secondary route node
Issue acquisition request.So the first routing node obtains the opposite end corresponding with every transmission lines that secondary route node is sent
It the step of session sub-interface, can specifically include: being obtained and every biography firstly, the first routing node is sent to secondary route node
The acquisition request of the corresponding opposite end session sub-interface of defeated route；Then, the first routing node receives the response of secondary route node and obtains
The opposite end session sub-interface corresponding with every transmission lines for taking request and sending.
In an implementation, the first routing node is to obtain the corresponding opposite end session sub-interface of every transmission lines, first to the
Two routing nodes send the acquisition request for obtaining opposite end session sub-interface corresponding with every transmission lines；Then, secondary route
After node receives acquisition request, opposite end session sub-interface corresponding with every transmission lines can be sent to the first routing node.
It should be noted that secondary route node can also be which create after opposite end session sub-interface, actively to the first via by saving
Point sends data, by the first routing node of informing for information about of opposite end session sub-interface corresponding with every transmission lines.I.e.
The present embodiment obtains the corresponding opposite end session sub-interface of every transmission lines that secondary route node is sent to the first routing node
Mode, be not specifically limited.
Step 102, the first via is based on equal cost load-balancing rule by node, passes through all session connections and secondary route section
Point carries out data transmission.
When in an implementation, in order to carry out data transmission between the first routing node and secondary route node, realize non-etc.
The load balancing on terms road, the first routing node can based on equal cost load-balancing rule, by parallel all session connections with
Secondary route node carries out data transmission.Wherein, equal cost load-balancing rule, it can be understood as when carrying out data transmission, lead to
It crosses hash algorithm total data traffic to be transmitted is distributed evenly in all session connections carried out data transmission.In this way,
Based on multiple session connections that step 101 creates, each session connection distributes the reasonable bandwidth upper limit, when carrying out data transmission,
The data traffic of transmission can be shared out equally in multiple session connections, to realize the load balancing of non-equivalence route, be had
Effect reduces idle bandwidth resources, to improve the bandwidth resources utilization rate of transmission line, effectively reduces bandwidth resources
Waste.
Optionally, two routing nodes can be applied to numerous during conversating connection and carrying out data transmission
Routing Protocol.If session connection is bgp session connection, the first routing node modifies the first routing node and secondary route node
Between Path selection parameter.Path selection parameter control data transmits between the first routing node and secondary route node
When, the number of passes that can choose.
In an implementation, two routing nodes first establish session connection before carrying out data transmission.Here session connection
It can be also possible to OSPF (Open with BGP (Border Gateway Protocol, Border Gateway Protocol) session connection
Shortest Path First ospf) session connection.Wherein, bgp session connects, mainly first
Bgp neighbor relationship is established between routing node and secondary route node, it then follows bgp protocol.And OSPF session connection, mainly exist
Ospf neighbor relationship is established between first routing node and secondary route node, it then follows ospf protocol.Wherein, bgp session is established
Connection is more suitable for very large network, such as internet；And OSPF session connection is more suitable for catenet or mininet, such as
Wide area network or local area network.
Since bgp protocol default is when carrying out data transmission, an optimal path is selected to be transmitted, so if session connects
It is connected in bgp session connection, the first routing node then modifies the corresponding Path selection parameter of preset secondary route node, wherein
Path selection parameter is to specified circuit by the maximum number of available path when node transmission data.Specifically, Path selection is modified
After parameter, it should when so that data being transmitted between the first routing node and secondary route node, the path item that can choose
Number is more than or equal to total session connection number.For example, having a 10G band between the first routing node and secondary route node
The transmission line of the transmission line of the wide upper limit and a 40G bandwidth upper limit.In order to realize the load balancing of route, the first via by
5 bgp session connections of creation (transmission line creation 4 of the corresponding 40G bandwidth upper limit altogether between node and secondary route node
A, the transmission line of the corresponding 10G bandwidth upper limit creates 1).Then modify the corresponding Path selection ginseng of preset secondary route node
Number, by the modification of parameter 15 (being also possible to the arbitrary integer greater than 5) of default.It is specific to execute code, it can be " maximum
load-balancing ebgp 5”。
It should be noted that after session connection is established, when data are transmitted between two routing nodes, in addition to
Above-mentioned dynamic routing protocol can be applied, static routing protocol can also be applied.If it is applying static routing protocol, then basis
Static routing table carries out Path selection, so each path information is written in static routing table domestic demand.And apply above-mentioned dynamic routing
Agreement, then after session connection is established, two routing nodes can declare the routing iinformation of one's own side to other side, respectively according to the road of oneself
By the routing iinformation of information and other side, dynamic routing table is generated.
The data transmission method provided in this embodiment for realizing the equilibrium of non-equivalence line load, by the first routing node
Between secondary route node, based on the session connection that the creation of every transmission lines is transmitted for data, and at least one is passed
Session connection number on defeated route is more than or equal to 2, and the bandwidth upper limit that will create the transmission line of multiple session connections is reasonable
It distributes to multiple session connections for data transmission, so that the first via is based on preset load balancing rule by node, leads to
It crosses all session connection and when secondary route node carries out data transmission, data traffic to be transmitted can be distributed evenly over
All session connections for data transmission, realize the load balancing of non-equivalence route, are based on so that bandwidth availability ratio is higher than
The wide rate of band benefit when every transmission lines carry out data transmission, to effectively reduce the waste of bandwidth resources.
The present embodiment also provides a kind of routing node device for realizing non-equivalence line load equilibrium, for realizing above-mentioned non-
The data transmission method of route load balancing of equal value.Fig. 3 is the modular construction schematic diagram of routing node device, as shown in figure 3,
Routing node device includes connection creation module 301 and data transmission module 302.Wherein, creation module 301 is connected, is used for: the
One routing node base creates session connection in every transmission lines, and the session connection number of an at least transmission lines road is big
In be equal to 2, and make based on all session connections carry out data transmission when, bandwidth availability ratio be higher than based on every transmission lines into
Bandwidth usage when row data are transmitted.Data transmission module 302, is used for: based on equal cost load-balancing rule, passing through all sessions
Connection carries out data transmission with secondary route node.
Optionally, connection creation module 301 also particularly useful for: determine corresponding all local sessions of every transmission lines
Interface and opposite end session sub-interface；The corresponding local session sub-interface of same transmission line and opposite end session sub-interface one is a pair of
It answers, creates session connection
Optionally, connection creation module 301 also particularly useful for: according to the bandwidth upper limit of every transmission lines and preset
The configuration rule of ground session sub-interface determines the corresponding all local session sub-interfaces of every transmission lines；Obtain secondary route section
The opposite end session sub-interface corresponding with every transmission lines that point device is sent.
Optionally, connection creation module 301 also particularly useful for: obtain the bandwidth upper limit of every transmission lines respectively；According to
The numerical relation of all bandwidth upper limits determines that every transmission lines need to create the number of session connection；According to every transmission lines
Road needs to create the number of session connection, and the local session of corresponding number is created under the corresponding line port of corresponding transmission line
Sub-interface.
Optionally, connection creation module 301 also particularly useful for: first according to the greatest common divisors of all bandwidth upper limits, determine
Every transmission lines need to create the number of session connection；If the greatest common divisor of all bandwidth upper limits is 1 or determining session
The number of connection is greater than preset threshold, then determines that every transmission lines need to create session and connect according to the ratio of all bandwidth upper limits
The number connect.
Optionally, connection creation module 301 also particularly useful for: according to the numerical relation of all bandwidth upper limits, determine all
The greatest common divisor of the bandwidth upper limit；Determine every transmission lines need to create session connection number be the respective bandwidth upper limit with
The ratio of greatest common divisor.
Optionally, connection creation module 301 also particularly useful for: according to the numerical relation of all bandwidth upper limits, determine all
The ratio of the bandwidth upper limit, and be rounded upward or downward, generate most simple ratio of integers；Determine that every transmission lines need to create session company
The number connect is corresponding numerical value in most simple ratio of integers.
Optionally, connection creation module 301 also particularly useful for: for every transmission lines, need to create according to transmission line
The number of session connection is built, distributes multiple sub-interface numbers and multiple IP address for transmission line；According to multiple sub-interface numbers and more
A IP address creates multiple local session sub-interfaces under the line port of transmission line.
Optionally, connection creation module 301 also particularly useful for: to secondary route node device send obtain with every transmission
The acquisition request of the corresponding opposite end session sub-interface of route；Receive secondary route node device sent in response to acquisition request with
The corresponding opposite end session sub-interface of every transmission lines.
Optionally, connection creation module 301 also particularly useful for: according to the sub-interface number of local session sub-interface, IP address,
Sub-interface number, IP address with opposite end session sub-interface determine the corresponding local session sub-interface of same transmission line and opposite end
The one-to-one relationship of session sub-interface；Based on each local session sub-interface and one-to-one relationship, respectively with secondary route
Node device creates session connection.
Optionally, connection creation module 301 also particularly useful for: if the session connection be bgp session connect, described first
Routing node then modifies the corresponding Path selection parameter of the preset secondary route node, wherein the Path selection parameter
For the maximum number to specified circuit by available path when node transmission data.
It is non-etc. with above-mentioned realization it should be understood that the routing node device of above-mentioned realization non-equivalence line load equilibrium
The data transmission method embodiment of terms road load balancing belongs to same design, and specific implementation process is detailed in embodiment of the method,
Which is not described herein again.
Fig. 4 is the structural representation of the routing node device provided in an embodiment of the present invention for realizing the equilibrium of non-equivalence line load
Figure.The routing node device 400 can generate bigger difference because configuration or performance are different, may include one or one with
Upper central processing unit 422 (for example, one or more processors) and memory 432, one or more storage applications
The storage medium 430 (such as one or more mass memory units) of program 442 or data 444.Wherein, memory 432
It can be of short duration storage or persistent storage with storage medium 430.The program for being stored in storage medium 430 may include one or one
A (to illustrate and do not mark) with upper module, each module may include to the series of instructions operation in transcoding server.More into one
Step ground, central processing unit 422 can be set to communicate with storage medium 430, execute storage medium on routing node device 400
Series of instructions operation in 430.
Routing node device 400 can also include one or more power supplys 429, one or more wired or nothings
Wired network interface 450, one or more input/output interfaces 458, one or more keyboards 454, and/or, one
Or more than one operating system 441, such as WindowsServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM
Etc..
Routing node device 400 may include having memory and one or more than one program, one of them or
More than one program of person is stored in memory, and is configured to execute one or one by one or more than one processor
A procedure above includes the instruction for carrying out the data transmission method of above-mentioned realization non-equivalence line load equilibrium.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to be realized by hardware.Based on such
Understand, substantially the part that contributes to existing technology can embody above-mentioned technical proposal in the form of software products in other words
Out, which may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, packet
Some instructions are included to use so that a computer equipment (can be personal computer, server or the network equipment etc.) executes
The method of certain parts of each embodiment or embodiment.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of data transmission method for realizing non-equivalence line load equilibrium, including the first routing node and secondary route node
Between plurality of transmission lines not exclusively of equal value, which is characterized in that the described method includes:
The first via is based on every transmission line by node and creates session connection, and an at least transmission line
On session connection number be more than or equal to 2, and make based on all session connections carry out data transmission when, bandwidth availability ratio
Higher than bandwidth availability ratio when being carried out data transmission based on transmission line described in every；
The first via is based on equal cost load-balancing rule by node, passes through all session connections and the secondary route section
Point carries out data transmission.
2. the method as described in claim 1, which is characterized in that the first via is based on every transmission line by node and creates
Session connection is built, is specifically included:
First routing node determines the corresponding all local session sub-interfaces of every transmission line and opposite end session
Interface；
First routing node is by the corresponding local session sub-interface of the same transmission line and opposite end session sub-interface one
One is corresponding, creates session connection.
3. method according to claim 2, which is characterized in that first routing node determines every transmission line pair
It the step of all local session sub-interfaces and opposite end session sub-interface for answering, specifically includes:
First routing node is according to the bandwidth upper limit of transmission line described in every and matching for preset local session sub-interface
Set the corresponding all local session sub-interfaces of the transmission line of rule determination every；
First routing node obtains the corresponding with transmission line described in every described right of the secondary route node transmission
Hold session sub-interface.
4. method as claimed in claim 3, which is characterized in that first routing node is according to transmission line described in every
The bandwidth upper limit and the configuration rule of local session sub-interface determine that corresponding all local session of every transmission line connect
It the step of mouth, specifically includes:
First routing node obtains the bandwidth upper limit of every transmission line respectively；
First routing node determines that every transmission line needs to create according to the numerical relation of all bandwidth upper limits
Build the number of session connection；
First routing node needs to create the number of session connection according to transmission line described in every, in corresponding transmission line
The local session sub-interface of corresponding number is created under corresponding line port.
5. method as claimed in claim 4, which is characterized in that first routing node is according to all bandwidth upper limits
Numerical relation determines the step of every transmission line needs to create the number of session connection, specifically includes:
First routing node determines that every transmission line needs first according to the greatest common divisor of all bandwidth upper limits
Create the number of session connection；
If the greatest common divisor of all bandwidth upper limits is 1 or the number of the session connection determined is greater than preset threshold,
First routing node then determines that every transmission line needs to create session according to the ratio of all bandwidth upper limits
The number of connection.
6. method as claimed in claim 5, which is characterized in that first routing node is according to all bandwidth upper limits
Greatest common divisor determines the step of every transmission line needs to create the number of session connection, specifically includes:
First routing node determines the maximum of all bandwidth upper limits according to the numerical relation of all bandwidth upper limits
Common divisor；
The number that first routing node determines that every transmission line needs to create session connection is in respective bandwidth
The ratio of limit and the greatest common divisor.
7. method as claimed in claim 5, which is characterized in that first routing node is according to all bandwidth upper limits
Ratio determines the step of every transmission line needs to create the number of session connection, specifically includes:
First routing node determines the ratio of all bandwidth upper limits according to the numerical relation of all bandwidth upper limits
Value, and be rounded upward or downward, generate most simple ratio of integers；
The number that first routing node determines that every transmission line needs to create session connection is the most simple integer
The corresponding numerical value than in.
8. method as claimed in claim 4, which is characterized in that first routing node is according to the creation session connection
Number specifically includes under the corresponding line port of corresponding transmission line the step of the session sub-interface of the corresponding number of creation:
For every transmission lines, first routing node needs to create the number of session connection according to the transmission line,
Multiple sub-interface numbers and multiple IP address are distributed for the transmission line；
First routing node is according to the multiple sub-interface number and the multiple IP address, in the route of the transmission line
Multiple local session sub-interfaces are created under port.
9. method as claimed in claim 3, which is characterized in that first routing node obtains the secondary route node hair
It the step of opposite end session sub-interface corresponding with transmission line described in every sent, specifically includes:
It is corresponding with transmission line described in every described right that first routing node is obtained to secondary route node transmission
Hold the acquisition request of session sub-interface；
First routing node receive the secondary route node respond the acquisition request and send with biography described in every
The corresponding opposite end session sub-interface of defeated route.
10. method according to claim 2, which is characterized in that first routing node is by the same transmission line pair
The step of local session sub-interface and opposite end session sub-interface answered correspond, and create session connection, specifically includes:
Sub-interface number of first routing node according to the local session sub-interface, IP address, with opposite end session
The sub-interface number of interface, IP address determine that the corresponding local session sub-interface of the same transmission line connects with opposite end session
The one-to-one relationship of mouth；
Based on each local session sub-interface and the one-to-one relationship, first routing node is respectively with described
Two routing nodes create session connection.
11. such as the described in any item methods of claim 1-10, which is characterized in that the method also includes:
If the session connection is bgp session connection, first routing node modifies the preset secondary route node
Corresponding Path selection parameter, wherein the Path selection parameter is to specified circuit by available path when node transmission data
Maximum number.
12. a kind of routing node device for realizing non-equivalence line load equilibrium, which is characterized in that described device includes connection wound
Model block and data transmission module, in which:
The connection creation module is based on every transmission line by node for the first via and creates session connection, and
Session connection number on an at least transmission line is more than or equal to 2, and make based on all session connections into
When row data are transmitted, bandwidth availability ratio is higher than bandwidth availability ratio when carrying out data transmission based on transmission line described in every；
The data transmission module, for passing through all session connections and described second based on equal cost load-balancing rule
Routing node carries out data transmission.
13. a kind of routing node device for realizing non-equivalence line load equilibrium, which is characterized in that the equipment includes memory
And processor, the memory is for storing computer program, when the computer program is executed by the processor, realizes such as
Method described in any one of claims 1 to 11.
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