CN107948088A - A kind of method of network application layer load balancing - Google Patents
A kind of method of network application layer load balancing Download PDFInfo
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- CN107948088A CN107948088A CN201810012507.7A CN201810012507A CN107948088A CN 107948088 A CN107948088 A CN 107948088A CN 201810012507 A CN201810012507 A CN 201810012507A CN 107948088 A CN107948088 A CN 107948088A
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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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Abstract
The present invention provides a kind of method of network application layer load balancing, with the use of flows such as flow acquisition, conversation analysis, application service packet, rule match, priority packet and load dispatch, the granularity and efficiency of load balancing can be effectively improved, reasonable employment server hardware performance, it can realize that automatic load balancing algorithm is combined with the configuration of artificial rule match at the same time, the customization requirement of load balancing is met, improves the scope of application of load balancing and various environmental requirement.
Description
Technical field
The invention belongs to network communication field, more particularly, to a kind of method of network application layer load balancing.
Background technology
Load balancing (Load Balance) is one of factor that must take into consideration in distributed system architecture design, it is usual
Refer to please summed data uniformly share on multiple operating units and perform.In a data network, multiple servers are symmetrically square
Formula forms a server set, and every server all has status of equal value, service individually can be externally provided and need not
The auxiliary of other servers.By certain load balancing technology, the request that outside is sent is evenly distributed in symmetrical structure
A certain server on, and the server for receiving request independently responds the request of client.Equally loaded being capable of average mark
With client's request to server array, take this to provide quick obtaining significant data, solution largely concurrently accesses service problem.
In the application layer of network layer, client sends the requests to the load-balancing device of server zone front end, load
Virtual Service on balancing equipment receives client request, by dispatching algorithm, selects real server, then pass through network address
Change, after the destination address with real server address overwrite request message, send the requests to selected real server.Very
When the response message of real server passes through load-balancing device, the source address of message is reduced to the VSIP of Virtual Service, then returns
Back to client, whole load dispatch process is completed.This prior art uses the VSIP of Virtual Service, and user passes through access
VSIP is come each server after accessing.When VSIP is abnormal, it is impossible to carry out load balancing, risk is big.This load at the same time
Realizing for equalization scheme will realize that effect depends on the quality of algorithm, it is impossible to manually by dispatching algorithm built-in in equipment
Intervened, the rule of load balancing is voluntarily set.
The content of the invention
In view of this, the present invention is directed to propose a kind of method of network application layer load balancing, obtained with the use of flow,
The flows such as conversation analysis, application service packet, rule match, priority packet and load dispatch, it is equal can to effectively improve load
The granularity and efficiency of weighing apparatus, reasonable employment server hardware performance, while can realize automatic load balancing algorithm and manually rule
Matching configuration combines, and meets the customization requirement of load balancing.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of method of network application layer load balancing, including：
Step 1：Flow obtains：By to the packet header information extraction in data flow, obtain data message source IP,
The five-tuple of destination IP, source port and destination interface and agreement；
Step 2：Conversation analysis：To the five of the source IP of the data packet of acquisition, destination IP, source port and destination interface and agreement
Tuple, carries out division classification；
Step 3：Application service is grouped：According in step 2 conversation analysis as a result, to flow carry out service packet, it is same
The packet of the flow separate marking of service or close service；
Also separate marking packet can be carried out to conversation type, a certain parameter of flow；
Step 4：Rule match：Manually pass through order line configuration load scheduling rule；It is saved in configuration file, and can be with
Import and export preservation；
Step 5：Priority packet：Ensure that the scheduling of high performance server priority uses by priority packet, and can be with
Flow load is accepted to greatest extent under the specification of permission；
Because the server performance and hardware parameter positioned at Intranet might have difference.It can be ensured by priority scheduling
High performance server priority scheduling uses, and can accept flow load to greatest extent under the specification of permission, ensure that
The performance requirement of service and stability requirement.
Step 6：Load dispatch：Using load-balancing algorithm, advised in combination with human configuration load dispatch in step 4
Then, and the priority packet strategy in step 5, the flow load balance that is grouped in step 3 is made to different servers.
Further, configuration file is stored using json forms in step 4.
Further, configuration file is stored using xml forms in step 4.
Further, used load-balancing algorithm can be source address hash algorithm, weighted polling method in step 6
And one or more of combinations in Smallest connection method.
Combined using the one or more in mainstream algorithm, realize load-balancing efficiency height, the switching between server
It hurry up.
Further, visualization is carried out to load dispatch in step 6 to show.
Relative to the prior art, a kind of method of network application layer load balancing of the present invention, has the advantage that：
A kind of method of network application layer load balancing of the present invention, with the use of flow acquisition, conversation analysis, is answered
With flows such as service packet, rule match, priority packet and load dispatch, the granularity and effect of load balancing can be effectively improved
Rate, reasonable employment server hardware performance, while can realize that automatic load balancing algorithm is combined with the configuration of artificial rule match,
The customization requirement of load balancing is met, improves the scope of application of load balancing and various environmental requirement.
Brief description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.
In the accompanying drawings：
Fig. 1 is a kind of method flow schematic diagram of network application layer load balancing described in the embodiment of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of method of network application layer load balancing, including：
Step 1：Flow obtains：By to the packet header information extraction in data flow, obtain data message source IP,
The five-tuple of destination IP, source port and destination interface and agreement；
Step 2：Conversation analysis：To the five of the source IP of the data packet of acquisition, destination IP, source port and destination interface and agreement
Tuple, carries out division classification；
Step 3：Application service is grouped：According in step 2 conversation analysis as a result, to flow carry out service packet, it is same
The packet of the flow separate marking of service or close service；
Also separate marking packet can be carried out to conversation type, a certain parameter of flow；
Step 4：Rule match：Manually pass through order line configuration load scheduling rule；It is saved in configuration file, and can be with
Import and export preservation；
Step 5：Priority packet：Ensure that the scheduling of high performance server priority uses by priority packet, and can be with
Flow load is accepted to greatest extent under the specification of permission；
Because the server group performance and hardware parameter positioned at Intranet might have different differences.Pass through priority scheduling
It can ensure that high performance server priority scheduling uses, and flow can be accepted to greatest extent under the specification of permission and born
Carry, ensure that performance requirement and the stability requirement of service.
Step 6：Load dispatch：Using load-balancing algorithm, advised in combination with human configuration load dispatch in step 4
Then, and the priority packet strategy in step 5, the flow load balance that step 3 is grouped is made to different servers.
As shown in Figure 1, configuration file is stored using json forms in step 4.
As shown in Figure 1, configuration file is stored using xml forms in step 4.
As shown in Figure 1, used load-balancing algorithm can be source address hash algorithm, weighted polling in step 6
One or more of combinations in method and Smallest connection method.
Combined using the one or more in mainstream algorithm, realize load-balancing efficiency height, the switching between server
It hurry up.
Shown as shown in Figure 1, carrying out visualization to load dispatch in step 6.
A kind of specific embodiment of the present invention：It is various ticket data services by taking the ticket sale system of certain ticketing service company as an example
Load balancing is realized in the access link of device, certificate server.After client is logged in by webpage or ticketing client, pass through
Step 1 obtains transmitted data traffic, further step 2 conversation analysis is carried out to data traffic, to the access session of access
Parsed, extract the five-tuple of infomational message, determine it is new session by five-tuple content, or already present meeting
Words.The application service packet of step 3 is further carried out, which can determine whether that message session is associated with which service,
Setting mark, determines the species and protocol type of data traffic.After the completion of by step 4 carry out rule match, checked whether
The loading rule that ticketing work personnel specify, is configured if not according to built-in rule of distributing rationally.It is then fed into step
Rapid 5 carry out priority packet, determine the priority of accessed different resource, and priority is divided into two kinds, customized priority
With automatic priority.Self-defined priority can manually be set, and automatic priority can be automatically generated by core algorithm.Finally lead to
That crosses step 6 realizes load dispatch, and the ticket purchasing request of client is transferred to specific service database.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (5)
- A kind of 1. method of network application layer load balancing, it is characterised in that：Including：Step 1：Flow obtains：By the source IP, the purpose that to the packet header information extraction in data flow, obtain data message The five-tuple of IP, source port and destination interface and agreement；Step 2：Conversation analysis：To five yuan of the source IP of the data packet of acquisition, destination IP, source port and destination interface and agreement Group, carries out division classification；Step 3：Application service is grouped：According in step 2 conversation analysis as a result, to flow carry out service packet, same service Or the flow separate marking packet of close service；Step 4：Rule match：Manually pass through order line configuration load scheduling rule；It is saved in configuration file, and can imports Export preserves；Step 5：Priority packet：Ensure that high performance server priority scheduling uses by priority packet, and can permit Perhaps flow load is accepted to greatest extent under specification；Step 6：Load dispatch：It is regular in combination with human configuration load dispatch in step 4 using load-balancing algorithm, with And the priority packet strategy in step 5, make the flow load balance that step 3 is grouped to different corresponding servers.
- A kind of 2. method of network application layer load balancing according to claim 1, it is characterised in that：Match somebody with somebody in step 4 File is put to store using json forms.
- A kind of 3. method of network application layer load balancing according to claim 1, it is characterised in that：Match somebody with somebody in step 4 File is put to store using xml forms.
- 4. according to a kind of method of any network application layer load balancing of claim 1 or 2, it is characterised in that：In step Load-balancing algorithm used in rapid 6 can be one kind in source address hash algorithm, weighted polling method and Smallest connection method Or several combinations.
- A kind of 5. method of network application layer load balancing according to claim 4, it is characterised in that：To in step 6 Load dispatch carries out visualization and shows.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111459664A (en) * | 2020-03-19 | 2020-07-28 | 北京美住美宿科技有限公司 | Hotel management system capable of balancing load |
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