CN109862134A - A kind of the lease time configuration method and system of IP address - Google Patents
A kind of the lease time configuration method and system of IP address Download PDFInfo
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- CN109862134A CN109862134A CN201910204791.2A CN201910204791A CN109862134A CN 109862134 A CN109862134 A CN 109862134A CN 201910204791 A CN201910204791 A CN 201910204791A CN 109862134 A CN109862134 A CN 109862134A
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Abstract
The embodiment of the present invention provides the lease time configuration method and system of a kind of IP address, is related to DHCP application field, and different lease times can be configured based on the difference of business.It include address assignment request and the custom option field for showing type of service in query message this method comprises: receiving the query message of dhcp client；Parsing obtains the type of service；It is that dhcp client distributes target ip address, and the lease time of target ip address is determined according to preset rules according to address assignment request；Target ip address and its lease time are encapsulated in response message and are sent to dhcp client；The request message that dhcp client is sent is received, and is generated according to request message for requesting to allow using target ip address and using the confirmation message for the lease time that the time is target ip address；It will confirm that message is sent to dhcp client, so that it uses target ip address according to the lease time of target ip address.
Description
Technical field
The present invention relates to DHCP application field more particularly to the lease time configuration methods and system of a kind of IP address.
Background technique
As network continues to develop, network size is gradually expanded and bearer service type becomes increasingly abundant.In actual network
In environment, due to terminal device mobility, terminal device quantity etc., dynamic IP address (Internet is often needed
Protocol Address, Internet protocol address) distribution mechanism.DHCP(Dynamic Host Configuration
Protocol, dynamic host configuration protocol) it is to meet this kind of demand and gradually generate simultaneously sustainable development.Currently, DHCP protocol
It is widely used in operator and building networks of enterprises, is mainly used for the dynamic allocation and management of IP address.DHCP protocol participant includes
Dhcp client Client, DHCP relay Relay and DHCP server side Sever, protocol realization process generally include five steps:
The first step, DHCP Client send query message and search DHCP Sever；Second step, DHCP Sever are returned by response message
Multiple received DHCP Client query message；Third step, DHCP Client receive multiple DHCP Sever and reply simultaneously basis
The one of DHCP Sever of policy selection；4th step, DHCP Client send request message to selected DHCP Sever；
5th step, DHCPSever send confirmation message to DHCP Client.To complete the eastern Mount Tai assigning process of address.Wherein,
The response message that two step DHCP Sever are sent to DHCP Client is the predistribution message of DHCP Sever, generally includes to count
Divide the information such as IP address, the lease time matched.After lease time expires, DHCP Client needs to re-initiate dynamic address
Distribution request.
At present in network implementations, the lease time of IP address is usually default configuration or the unified configuration of equipment.However,
In the network planning and application, carrier network is usually that multiple business coexists, catergories of user is shared.And different business type exists
It is not quite similar in address stable demand characteristic, if adopting unified IP address lease time limitation, has the disadvantage that on the one hand
Address lease time parameter requirements are shorter than with the business of Configuration Values, IP address discharges not in time, causes IP address waste.It is another
Aspect is longer than address lease time parameter requirements the business of Configuration Values, adds additional the interaction times of IP application, introduce by
DHCP Client communicates bring time delay with DHCP Sever.
Summary of the invention
The embodiment of the present invention provides the lease time configuration method and system of a kind of IP address, can be based on business not
With the lease time for distributing dhcp client different IP address.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of lease time configuration method of IP address, it is applied to DHCP server side, comprising:
The query message of dhcp client is received, includes address assignment request and custom option Option in query message
Field, customized Option field are used to show the type of service of the used business of dhcp client；
Query message is parsed to obtain the type of service and address assignment request of the used business of dhcp client；
It is dhcp client distribution target ip address according to address assignment request, and according to type of service according to preset rules
Determine the lease time of target ip address；
Target ip address and its lease time are encapsulated in the corresponding response message of query message and are sent to DHCP client
End；
The request message that dhcp client is sent is received, and confirmation message is generated according to request message；Request message is at least
For requesting to allow the lease time using target ip address and using the time for target ip address；
It will confirm that message is sent to dhcp client, so that dhcp client is used according to the lease time of target ip address
Target ip address.
Technical solution provided by the above embodiment, after receiving the query message of dhcp client, to the query message
Parsed with obtain the address assignment request of dhcp client and its use business type of service, then in addition to base area
Location distribution request to dhcp client distribution target ip address it is outer also according to dhcp client using business type of service according to
The lease time of target ip address is determined according to preset rules；Then target ip address and its lease time are encapsulated in corresponding message
In be sent to the dhcp client；Corresponding confirmation message is sent after finally receiving request guarantor's text of dhcp client again, with
The dhcp client is set to use target ip address according to the lease time of target ip address.Because provided in an embodiment of the present invention
In technical solution, phase can be arranged to the IP address distributed to dhcp client for type of service according to according to preset rules
The lease time answered, the corresponding lease time of different service types will be different, and the lease time for avoiding existing IP address is
Caused by unified fixed value, certain needs are for a long time using the dhcp clients of IP address because lease time not enough generates
The interactive process of multiple IP address application and certain dhcp client long-time occupancy for needing the short time using IP address
The wasting of resources phenomenon that a certain IP address does not use but.Thus achieve the effect that improve IP address utilization efficiency.
Second aspect provides a kind of DHCP server side, comprising: receiving module, parsing module, processing module and transmission mould
Block；
Receiving module includes address assignment request and oneself in query message for receiving the query message of dhcp client
Option field is defined, customized Option field is used to show the type of service of the used business of dhcp client；
Parsing module, for parsing the received query message of receiving module to obtain the industry of the used business of dhcp client
Service type；
Processing module, the address assignment request for being parsed according to parsing module is for dhcp client distribution Target IP
Location, and the type of service parsed according to parsing module determines the lease time of target ip address according to preset rules；
Processing module is also used to for target ip address and its lease time being encapsulated in the corresponding response message of query message；
Sending module, the response message for encapsulating processing module are sent to dhcp client；
Processing module is also used to after the request message that receiving module receives dhcp client transmission, according to receiving module
Received request message generates confirmation message；Request message is at least used to request to allow using target ip address and using the time
The lease time of target ip address；
Sending module is also used to send the confirmation message of processing module generation to dhcp client, so that dhcp client is pressed
Target ip address is used according to the lease time of target ip address.
The third aspect provides a kind of DHCP server side, including memory, processor, bus and communication interface；Memory is used
In storage computer executed instructions, processor is connect with memory by bus；When the device is running, processor executes memory
The computer executed instructions of storage, so that DHCP server side executes the lease time configuration side of the IP address provided such as first aspect
Method.
Fourth aspect provides a kind of computer storage medium, including computer executed instructions, when the computer executed instructions
When running on computers, so that computer executes the lease time configuration method of the IP address provided such as first aspect.
5th aspect, provides a kind of dhcp client, comprising: sending module, receiving module and processing module；
Sending module, for broadcasting the query message for being directed to DHCP server side；It include address assignment request in query message
With customized Option field, customized Option field is used to show the type of service of the used business of dhcp client；
Receiving module, the response message of the correspondence query message for receiving DHCP server side transmission；It is sealed in response message
Target ip address and its lease time equipped with corresponding address distribution request；
Processing module, the corresponding DHCP clothes of each response message for being received according to preset strategy from receiving module
It is engaged in choosing target DHCP server side in end, and message generates request message according to response；Request message is at least used to request to allow
It is the lease time of target ip address using target ip address and using the time；
Sending module is also used to the request message that processing module generates being sent to target DHCP server side；
Receiving module is also used to receive the confirmation message of target DHCP server side transmission；
Processing module is also used to according to the received confirmation message control dhcp client of receiving module according to target ip address
Lease time use target ip address.
6th aspect provides a kind of lease time configuration system of IP address, the DHCP clothes provided including such as second aspect
The dhcp client that business end and the 5th aspect provide.
The lease time configuration method and system of IP address provided in an embodiment of the present invention, this method are applied to DHCP service
End, comprising: receive the query message of dhcp client, include address assignment request and custom option Option in query message
Field, customized Option field are used to show the type of service of the used business of dhcp client；Query message is parsed to obtain
Take the type of service of the used business of dhcp client；It is that dhcp client distributes target ip address according to address assignment request,
And the lease time of target ip address is determined according to preset rules according to type of service；Target ip address and its lease time are sealed
Dhcp client is sent in the corresponding response message of query message；The request message that dhcp client is sent is received, and
Confirmation message is generated according to request message；Request message is at least used to request to allow using target ip address and the use of the time is mesh
Mark the lease time of IP address；It will confirm that message is sent to dhcp client, so that dhcp client is according to target ip address
Lease time uses target ip address.Technical solution provided in an embodiment of the present invention, in the inquiry report for receiving dhcp client
Wen Hou, which is parsed with obtain the address assignment request of dhcp client and its use business service class
Then type uses other than distributing target ip address to the dhcp client according to address assignment request also according to dhcp client
The type of service of business determines the lease time of target ip address according to preset rules；When then by target ip address and its lease
Between be encapsulated in corresponding message and be sent to the dhcp client；Transmission pair after text is protected in the request for finally receiving dhcp client again
The confirmation message answered, so that the dhcp client uses target ip address according to the lease time of target ip address.Because at this
In the technical solution that inventive embodiments provide, it can divide for type of service to dhcp client according to according to preset rules
Corresponding lease time is arranged in the IP address matched, and the corresponding lease time of different service types will be different, avoid existing IP
Caused by the lease time of address is unified fixed value, certain needs are for a long time using the dhcp client of IP address because of lease
The interactive process for the multiple IP address application that time not enough generates and certain DHCP for needing the short time to use IP address
Client occupies the wasting of resources phenomenon that a certain IP address does not use but for a long time.Raising IP address utilization efficiency is thus reached
Effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the lease time configuration method of IP address provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of IP address lease time configuration method flow diagram；
Fig. 3 is a kind of flow diagram of the lease time configuration method for IP address that further embodiment of this invention provides；
Fig. 4 is a kind of flow diagram of the lease time configuration method for IP address that yet another embodiment of the invention provides；
Fig. 5 is a kind of structural schematic diagram of DHCP server side provided in an embodiment of the present invention；
Fig. 6 be another embodiment of the present invention provides a kind of DHCP server side structural schematic diagram；
Fig. 7 is a kind of structural schematic diagram of dhcp client provided in an embodiment of the present invention；
Fig. 8 is that a kind of lease time of IP address provided in an embodiment of the present invention configures the structural schematic diagram of system.
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.
It should be noted that in the embodiment of the present invention, " illustrative " or " such as " etc. words make example, example for indicating
Card or explanation.Be described as in the embodiment of the present invention " illustrative " or " such as " any embodiment or design scheme do not answer
It is interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, " illustrative " or " example are used
Such as " word is intended to that related notion is presented in specific ways.
It should also be noted that, in the embodiment of the present invention, " (English: of) ", " corresponding (English:
Corresponding, relevant) " it sometimes can be mixed with " corresponding (English: corresponding) ", it should be pointed out that
It is that, when not emphasizing its difference, meaning to be expressed is consistent.
For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item, and those skilled in the art can
To understand that the printed words such as " first ", " second " are not to be defined to quantity and execution order.
Currently, the lease time of IP address is usually default configuration or the unified configuration of equipment in network implementations.However,
In the network planning and application, carrier network is usually that multiple business coexists, catergories of user is shared.And different business type
It is not quite similar in address stable demand characteristic, if adopting unified IP address lease time limitation, has the disadvantage that a side
It is shorter than the business of Configuration Values in face of address lease time parameter demand, IP address discharges not in time, causes IP address waste.Separately
On the one hand address lease time parameter requirements are longer than with the business of Configuration Values, adds additional the interaction times of IP application, is introduced
Bring time delay is communicated with DHCP server side Sever by dhcp client Client.
In view of the above-mentioned problems, the embodiment of the present invention provides a kind of lease time configuration side of IP address shown in referring to Fig.1
Method is applied to DHCP server side, comprising:
101, the query message of dhcp client is received.
It wherein, include address assignment request and custom option Option field, customized Option word in query message
Section is for showing the type of service of the used business of dhcp client.
102, query message is parsed to obtain the type of service and address assignment request of the used business of dhcp client.
It 103, is that dhcp client distributes target ip address according to address assignment request.
104, the lease time of target ip address is determined according to preset rules according to type of service.
Optionally, referring to shown in Fig. 2,104 steps are specifically included:
1041, when first object lease corresponding with type of service is searched from the first lease time table according to type of service
Between, first object lease time is determined as to the lease time of target ip address.
It wherein, include the corresponding lease time of each type of service in the first lease time table.
Illustratively, as the DHCP client that the type that there is the business used is respectively type of service one and type of service two
It can be that the first IP address lease time and the second IP address lease is respectively configured in two kinds of dhcp clients according to type of service when end
Time, the first IP address lease time are the IP being assigned to the dhcp client that the service type using business is type of service one
The lease time of address configuration, the second IP address lease time are the DHCP client for being type of service two to the type using business
The lease time of the assigned IP address configuration in end.
10421, corresponding with type of service first is chosen from the first lease time calculation formula library according to type of service
Target lease time calculation formula.
It wherein, include that the corresponding lease time of each type of service calculates public affairs in the first lease time calculation formula library
Formula.
Specifically, including at least two different lease time calculation formula, example in the first lease time calculation formula library
Such as:
The lease time calculation formula of corresponding type of service one are as follows:
Wherein, the first IP address lease time be need to using business service type be type of service one DHCP client
The lease time of the assigned IP address configuration in end, T11And T12For preset value, time is current time, t1And t2When being specific
It carves；t1And t2The specific moment can according to the type to business be type of service one business datum statistics obtain, specific formula
The division of middle period can be directed to busy and idle time, be that the business dhcp client that usage type is type of service one configures not
Same IP address lease time；Illustratively, it is assumed that current time 13:00, t1For 9:00, t2For 18:00, then need to making
The lease time for the IP address configuration being assigned with the dhcp client that the service type of business is type of service one should be T11。
The lease time calculation formula of corresponding type of service one are as follows:
Wherein, the second IP address lease time be need to using business service type be type of service two DHCP client
The lease time of the assigned IP address configuration in end, T21And T22For preset value, time is current time, t3And t4When being specific
It carves；t3And t4The specific moment can according to the type to business be type of service two business datum statistics obtain, specific formula
The division of middle period can be directed to busy and idle time, be that the business dhcp client that usage type is type of service two configures not
Same IP address lease time；Because the busy and idle time of different business is not necessarily identical, t3And t1Can it is identical can also be with
Difference, t4And t2It can be the same or different.
Specifically, can be the difference of every month because the idle busy of some business can be daily different periods
Period is also possible to annual different periods, thus can be at the time of above-mentioned for it is daily at the time of such as 8:00, can be
For monthly at the time of such as this month ten No. five zero when, be also possible to for it is annual at the time of such as one day zero July of this year when；
In addition the idle busy of some business is also not only only as in above-mentioned formula by each unit interval (day, the moon, year etc.)
It is divided into two sections, it is also possible to which there are the multiple idles of multiple busy, so each lease time calculation formula can divide in practice
For a variety of situations, not only such as two kinds of situations in above-mentioned formula；Further more, the lease time value finally obtained in above-mentioned formula is such as
T11It is to be obtained according to actual statistics, is also possible to the lease time relevant with current time that certain statistics obtains and specifically counts
Formula is calculated, such as formula (1) can be with are as follows:
First IP address lease time=a*time/b；(3)
Wherein, a, b are the parameter value that actual count obtains, specific value is depending on actual count result；It needs
Bright, only thinking example, the formula that possible actual count obtains is increasingly complex, and above-mentioned formula (3), which does not have, actually adopts
Receive value.
10422, the lease time of target ip address is calculated according to current time and first object lease time calculation formula.
Optionally, because a variety of situations of business, certain business may can be directly determined according to type of service in practice
The lease time of the IP address needed, other business then will also select specific lease time calculation formula according to type of service
The lease time of the IP address needed is then determined according to current time and lease time calculation formula, so referring to shown in Fig. 3,
104 steps specifically include:
10431, it when type of service is first kind type of service, is searched from the second lease time table according to type of service
The second target lease time corresponding with type of service.
Wherein, in the second lease time table when lease corresponding including each type of service in first kind type of service
Between.
10432, the second target lease time is determined as to the lease time of target ip address.
10441, when type of service is the second class type of service, according to type of service from the second lease time calculation formula
The second target lease time calculation formula corresponding with type of service is chosen in library.
Wherein, corresponding including each type of service in the second class type of service in the second lease time calculation formula library
Lease time calculation formula；The case where specific lease time calculation formula, can refer to the aforementioned tool for 10421 steps in Fig. 2
Body surface is stated, and details are not described herein again.
10442, the lease time of target ip address is calculated according to current time and the second target lease time calculation formula.
Optionally, the determination of lease time not only only in 104 step as shown in Figure 3 according to type of service in practice
Difference come select different lease time computation rules (one kind makes directly to determine lease time according to type of service, one is
Different lease time calculation formula is selected according to type of service, then according to current time according to selected lease calculation formula
Determine lease time)；It is also possible to select different lease time computation rules according to current time, it is specific referring to Fig. 4
Shown, 104 steps specifically include:
10451, it when determining that current time is in first time period, is looked into from third lease time table according to type of service
Look for third target lease time corresponding with type of service.
It wherein, include the corresponding lease time of each type of service in third lease time table.
10452, third target lease time is determined as to the lease time of target ip address.
10461, it when determining that current time is not at first time period, is calculated according to type of service from third lease time
Third target lease time calculation formula corresponding with type of service is chosen in formula library.
It wherein, include that the corresponding lease time of each type of service calculates public affairs in third lease time calculation formula library
Formula.
Specifically, third lease time calculation formula library is referred to the aforementioned specific table for 10421 steps in Fig. 2
It states, different places is, the first time period in 10461 steps can be the continuous period, such as with unit interval
For day, first time period can be 8:00-19:00；It is also possible to the discontinuous period, such as is with unit interval
For day, first time period 8:00-9:00,10:00-12:00 and 14:00-16:00；So the third lease in 10461
Each lease time calculation formula in time calculation formula library of segmentation in to(for) the time is not by each unit interval
(day, the moon, year) is divided into two sections or the multi-section time section that can form a unit interval, but by each unit interval
In the period in addition to first time period be divided into two sections or multistage, such as by taking the formula (1) in 10421 steps as an example, if
Unit interval is day and first time period is 8:00-19:00, then the formula is specifically as follows in 10461:
Wherein, t5For 19:00, t6For 00:00, t7For 8:00, T31And T32To count obtained lease time value.
10462, the lease time of target ip address is calculated according to current time and third target lease time calculation formula.
It should be noted that above-mentioned Fig. 2, Fig. 3 and 104 step shown in Fig. 4 can be combined in the reasonable scope and be generated newly
Really the scheme of the lease time for the IP address that sets the goal；
Such as 10431 and 10441 can increase by a step after step and judge current time, if being in preset time
Section then selects to determine lease time from lease time table according to type of service, and basis is selected if being not at preset time period
Type of service calculates lease time after determining formula in lease time calculation formula library, wherein the public affairs in lease time formula library
Formula is referred to the statement in 10461 steps；
In another example judgement of the step to type of service can be increased after 10451 and 10461 steps, if it is first kind business
Type, then selection determines lease time according to type of service from lease time table, then selects if it is the second class type of service
Lease time is calculated after determining formula in lease time calculation formula library according to type of service, wherein in lease time formula library
Formula be referred to the statement in 10461 steps；Specific scheme is referred to foregoing description and obtains, details are not described herein again.
105, target ip address and its lease time are encapsulated in the corresponding response message of query message and are sent to DHCP
Client.
Illustratively, response message is offer message, and the lease time of IP address is specifically encapsulated in offer message
In option51 field.
106, the request message that dhcp client is sent is received, and confirmation message is generated according to request message.
Wherein, request message is at least used to request to allow the rent using target ip address and using the time for target ip address
It makes an appointment.
107, it will confirm that message is sent to dhcp client, so that lease time of the dhcp client according to target ip address
Use target ip address.
The lease time configuration method of IP address provided in an embodiment of the present invention, this method are applied to DHCP server side, packet
It includes: receiving the query message of dhcp client, include address assignment request and custom option Option field in query message,
Customized Option field is used to show the type of service of the used business of dhcp client；Query message is parsed to obtain DHCP
The type of service of the used business of client；It is dhcp client distribution target ip address according to address assignment request, and according to
Type of service determines the lease time of target ip address according to preset rules；Target ip address and its lease time are encapsulated in and looked into
It askes in the corresponding response message of message and is sent to dhcp client；The request message that dhcp client is sent is received, and according to asking
Message is asked to generate confirmation message；Request message is at least used to request to allow using target ip address and using the time for Target IP
The lease time of location；Will confirm that message is sent to dhcp client so that dhcp client according to target ip address lease when
Between use target ip address.Technical solution provided in an embodiment of the present invention is right after receiving the query message of dhcp client
The query message parsed with obtain the address assignment request of dhcp client and its use business type of service, then
Business is used also according to dhcp client other than distributing target ip address to the dhcp client according to address assignment request
Type of service determines the lease time of target ip address according to preset rules；Then target ip address and its lease time are encapsulated
The dhcp client is sent in corresponding message；Transmission is corresponding really after finally receiving request guarantor's text of dhcp client again
Message is recognized, so that the dhcp client uses target ip address according to the lease time of target ip address.Because of the invention real
In the technical solution that example offer is provided, type of service can be directed to come to the IP distributed to dhcp client according to according to preset rules
Corresponding lease time is arranged in address, and the corresponding lease time of different service types will be different, avoid existing IP address
Caused by lease time is unified fixed value, certain needs for a long time using the dhcp clients of IP address because lease time not
The interactive process of the multiple IP address application enough generated and certain dhcp clients for needing the short time to use IP address
The wasting of resources phenomenon that a certain IP address does not use but is occupied for a long time.The effect for improving IP address utilization efficiency is thus reached
Fruit.
Referring to Figure 5, the embodiment of the present invention also provides a kind of DHCP server side 01, comprising: receiving module 51, parsing mould
Block 52, processing module 53 and sending module 54；
Receiving module 51 includes address assignment request in query message for receiving the query message of dhcp client 02
With customized Option field, customized Option field is used to show the type of service of the used business of dhcp client 02；
Parsing module 52, for parsing the received query message of receiving module 51 to obtain the used industry of dhcp client 02
The type of service and address assignment request of business；
Processing module 53, the address assignment request for being parsed according to parsing module 52 are that dhcp client 02 distributes mesh
When the type of service marking IP address, and being parsed according to parsing module 52 determines the lease of target ip address according to preset rules
Between；
Processing module 53 is also used to for target ip address and its lease time to be encapsulated in the corresponding response message of query message
In；
Sending module 54, the response message for encapsulating processing module 53 are sent to dhcp client 02；
Processing module 53 is also used to after the request message that receiving module 51 receives the transmission of dhcp client 02, according to connecing
It receives the received request message of module 51 and generates confirmation message；Request message is at least used to request to allow using target ip address and make
It is the lease time of target ip address with the time；
Sending module 54 is also used to send the confirmation message of the generation of processing module 53 to dhcp client 02, so that DHCP is objective
Family end 02 uses target ip address according to the lease time of target ip address.
Optionally, processing module 53 is specifically used for: when the type of service parsed according to parsing module 52 is from the first lease
Between first object lease time corresponding with type of service is searched in table, first object lease time is determined as target ip address
Lease time；
It include the corresponding lease time of each type of service in first lease time table.
Optionally, processing module 53 is specifically used for: when the type of service parsed according to parsing module 52 is from the first lease
Between first object lease time calculation formula corresponding with type of service is chosen in calculation formula library；First lease time calculates public
It include the corresponding lease time calculation formula of each type of service in formula library；
The lease time of target ip address is calculated according to current time and first object lease time calculation formula.
Optionally, processing module 53 is specifically used for: when the type of service that parsing module 52 parses is first kind service class
When type, the second target lease time corresponding with type of service is searched from the second lease time table according to type of service, by
Two target lease times are determined as the lease time of target ip address；It include in first kind type of service in second lease time table
The corresponding lease time of each type of service.
Optionally, processing module 53 is also used to: when the type of service that parsing module 52 parses is the second class type of service
When, the second target lease time corresponding with type of service is chosen from the second lease time calculation formula library according to type of service
Calculation formula；It include the corresponding lease of each type of service in the second class type of service in second lease time calculation formula library
Time calculation formula；
The lease time of target ip address is calculated according to current time and the second target lease time calculation formula.
Optionally, which further includes judgment module 55；
Judgment module 55, for judging whether current time is in first time period；
When judgment module 55 determines that current time is in first time period, processing module 53 is used for according to parsing module 52
The type of service parsed searches third target lease time corresponding with type of service from third lease time table, by third
Target lease time is determined as the lease time of target ip address；It include that each type of service is corresponding in third lease time table
Lease time；
When judgment module 55 determines that current time is not at first time period, processing module 53 is used for according to parsing module
52 types of service parsed choose third target lease corresponding with type of service from third lease time calculation formula library
Time calculation formula；It include that the corresponding lease time of each type of service calculates public affairs in third lease time calculation formula library
Formula；
Processing module 53 is also used to calculate target ip address according to current time and third target lease time calculation formula
Lease time.
Referring to shown in Fig. 6, the embodiment of the present invention also provides another kind DHCP server side, including memory 61, processor 62,
Bus 63 and communication interface 64；Memory 61 passes through bus for storing computer executed instructions, processor 62 and memory 61
63 connections；When DHCP server side operation, processor 62 executes the computer executed instructions that memory 61 stores, so that DHCP takes
The lease time configuration method for end execution such as IP address provided by the above embodiment of being engaged in.
In concrete implementation, as one embodiment, processor 62 (62-1 and 62-2) may include one or more
CPU, such as CPU0 and CPU1 shown in Fig. 6.And as one embodiment, DHCP server side may include multiple processors
62, such as processor 62-1 and processor 62-2 shown in Fig. 6.Each of these processors 62 CPU can be one
Single core processor (Single-CPU) is also possible to a multi-core processor (Multi-CPU).Here processor 62 can refer to
One or more equipment, circuit, and/or the processing core for handling data (such as computer program instructions).
Memory 61 can be read-only memory 61 (Read-Only Memory, ROM) or can store static information and refer to
The other kinds of static storage device enabled, random access memory (Random Access Memory, RAM) or can store
The other kinds of dynamic memory of information and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory
(Electrically Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, light
Dish, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carry or
Store have instruction or data structure form desired program code and can by any other medium of computer access, but
It is without being limited thereto.Memory 61, which can be, to be individually present, and is connected by communication bus 63 with processor 62.Memory 61 can also be with
It is integrated with processor 62.
In concrete implementation, memory 61, for storing the data in the application and executing the software program of the application
Corresponding computer executed instructions.Processor 62 can by running or executing the software program being stored in memory 61, with
And call the data being stored in memory 61, the various functions of DHCP server side.
Communication interface 64 is used for and other equipment or communication, such as control using the device of any transceiver one kind
System processed, wireless access network (Radio Access Network, RAN), WLAN (Wireless Local Area
Networks, WLAN) etc..Communication interface 64 may include that receiving unit realizes that receive capabilities and transmission unit realize transmission
Function.
It is total to can be industry standard architecture (Industry Standard Architecture, ISA) for bus 63
Line, external equipment interconnection (Peripheral Component Interconnect, PCI) bus or extension Industry Standard Architecture
Structure (Extended Industry Standard Architecture, EISA) bus etc..The bus 63 can be divided into address
Bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 6, it is not intended that only one convenient for indicating
Bus or a type of bus.
The embodiment of the present invention also provides a kind of computer storage medium, and computer storage medium includes that computer execution refers to
It enables, when computer executed instructions are run on computers, so that computer is executed such as IP address provided by the above embodiment
Lease time configuration method.
The embodiment of the present invention also provides a kind of computer program, which can be loaded directly into memory, and
Containing software code, which is loaded into via computer and can be realized IP address provided by the above embodiment after executing
Lease time configuration method.
Referring to shown in Fig. 7, the embodiment of the present invention also provides a kind of dhcp client 02, comprising: sending module 71 receives mould
Block 72 and processing module 73；
Sending module 71, for broadcasting the query message for being directed to DHCP server side 01；It include that address is distributed in query message
Request and customized Option field, customized Option field are used to show the service class of the used business of dhcp client 02
Type；
Receiving module 72, the response message of the correspondence query message for receiving the transmission of DHCP server side 01；Response message
In be packaged with the target ip address and its lease time of corresponding address distribution request；
Processing module 73, each response message for being received according to preset strategy from receiving module 72 are corresponding
Target DHCP server side 01 is chosen in DHCP server side 01, and message generates request message according to response；Request message is at least used
Allow the lease time using target ip address and using the time for target ip address in request；
Sending module 71 is also used to the request message that processing module 73 generates being sent to target DHCP server side 01；
Receiving module 72 is also used to receive the confirmation message of the transmission of target DHCP server side 01；
Processing module 73 is also used to control dhcp client 02 according to target according to the received confirmation message of receiving module 72
The lease time of IP address uses target ip address.
The embodiment of the present invention also provides a kind of lease time configuration system of IP address, including DHCP server side above-mentioned and
Dhcp client above-mentioned.
Illustratively, referring to shown in Fig. 8, the lease time of IP address configures system DHCP server side 01, DHCP in practice
Repeater 04 and the two class dhcp client 02-1 and dhcp client 02-2 that different business is at least used in the presence of two kinds；Wherein
Information exchange between dhcp client 02 (02-1 and 02-2) and DHCP server side 01 requires to turn by DHCP relay device
It distributes into.
The lease time of IP address provided in an embodiment of the present invention configures system, because the system includes above-mentioned DHCP service
End and dhcp client, so the lease time configuration system of IP address provided in an embodiment of the present invention is to some DHCP client
When IP address to be allocated being held to configure lease time, first after receiving the query message of dhcp client, to the inquiry report
Text parsed with obtain the address assignment request of dhcp client and its use business type of service, then in addition to basis
Address assignment request gives dhcp client distribution target ip address the outer type of service for using business also according to dhcp client
The lease time of target ip address is determined according to preset rules；Then target ip address and its lease time are encapsulated in corresponding report
The dhcp client is sent in text；Corresponding confirmation message is sent after finally receiving request guarantor's text of dhcp client again,
So that the dhcp client uses target ip address according to the lease time of target ip address.Because being provided in the embodiment of the present invention
Technical solution in, the IP address distributed to dhcp client can be arranged for type of service according to according to preset rules
Corresponding lease time, the corresponding lease time of different service types will be different, avoid the lease time of existing IP address
Caused by for unified fixed value, certain needs are for a long time using the dhcp client of IP address because lease time not enough generates
Multiple IP address application interactive process and it is certain need the short time using IP address dhcp client for a long time account for
The wasting of resources phenomenon not used but with a certain IP address.Thus achieve the effect that improve IP address utilization efficiency.
Those skilled in the art are it will be appreciated that in said one or multiple examples, function described in the invention
It can be realized with hardware, software, firmware or their any combination.It when implemented in software, can be by these functions
Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.
Computer-readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another
Any medium of one place transmission computer program.Storage medium can be general or specialized computer can access it is any
Usable medium.
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper
It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete
All or part of function described above.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the module or unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation.Such as multiple units or components
It may be combined or can be integrated into another device, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.Unit can be or can also as illustrated by the separation member
Not to be physically separated, component shown as a unit can be a physical unit or multiple physical units, it can
It is in one place, or may be distributed over multiple and different places.Can select according to the actual needs part therein or
Person's whole unit achieves the purpose of the solution of this embodiment.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.If integrated unit with
The form of SFU software functional unit is realized and when sold or used as an independent product, can store and storage Jie can be read at one
In matter.Based on this understanding, the portion that the technical solution of the embodiment of the present application substantially in other words contributes to the prior art
Divide or all or part of the technical solution can be embodied in the form of software products, which is stored in one
In storage medium, including some instructions are used so that an equipment (can be single-chip microcontroller, chip etc.) or processor
(processor) it performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned includes:
The various media that can store program code such as USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (16)
1. a kind of lease time configuration method of IP address is applied to DHCP server side characterized by comprising
The query message of dhcp client is received, includes address assignment request and custom option Option in the query message
Field, the customized Option field are used to show the type of service of the used business of the dhcp client；
The query message is parsed to obtain the type of service and address assignment request of the used business of the dhcp client；
It is dhcp client distribution target ip address according to the address assignment request, and according to the type of service foundation
Preset rules determine the lease time of the target ip address；
The target ip address and its lease time are encapsulated in the corresponding response message of the query message described in being sent to
Dhcp client；
The request message that the dhcp client is sent is received, and confirmation message is generated according to the request message；The request
Message is at least used to request to allow the lease time using the target ip address and using the time for the target ip address；
The confirmation message is sent to the dhcp client, so that the dhcp client is according to the target ip address
Lease time uses the target ip address.
2. the lease time configuration method of IP address according to claim 1, which is characterized in that described according to the business
Type foundation preset rules determine that the lease time of the target ip address includes:
When first object lease corresponding with the type of service is searched from the first lease time table according to the type of service
Between, the first object lease time is determined as to the lease time of the target ip address；
It include the corresponding lease time of each type of service in the first lease time table.
3. the lease time configuration method of IP address according to claim 1, which is characterized in that described according to the business
Type foundation preset rules determine that the lease time of the target ip address includes:
The first mesh corresponding with the type of service is chosen from the first lease time calculation formula library according to the type of service
Mark lease time calculation formula；In the first lease time calculation formula library when lease corresponding including each type of service
Between calculation formula；
The lease time of the target ip address is calculated according to current time and the first object lease time calculation formula.
4. the lease time configuration method of IP address according to claim 1, which is characterized in that described according to the business
Type foundation preset rules determine that the lease time of the target ip address includes:
When the type of service be the first kind type of service when, is searched from the second lease time table according to the type of service and
The corresponding second target lease time of the type of service, is determined as the target ip address for the second target lease time
Lease time；In the second lease time table when lease corresponding including each type of service in first kind type of service
Between.
5. the lease time configuration method of IP address according to claim 4, which is characterized in that described according to the business
Type determines the lease time of the target ip address according to preset rules further include:
When the type of service is the second class type of service, according to the type of service from the second lease time calculation formula library
It is middle to choose the second target lease time calculation formula corresponding with the type of service；The second lease time calculation formula library
In include the second class type of service in the corresponding lease time calculation formula of each type of service；
The lease time of the target ip address is calculated according to current time and the second target lease time calculation formula.
6. the lease time configuration method of IP address according to claim 1, which is characterized in that described according to the business
Type foundation preset rules determine that the lease time of the target ip address includes:
When determining that current time is in first time period, searched from third lease time table according to the type of service and institute
The corresponding third target lease time of type of service is stated, the third target lease time is determined as the target ip address
Lease time；It include the corresponding lease time of each type of service in the third lease time table；
When determining that current time is not at first time period, according to the type of service from third lease time calculation formula library
It is middle to choose third target lease time calculation formula corresponding with the type of service；The third lease time calculation formula library
In include the corresponding lease time calculation formula of each type of service；
The lease time of the target ip address is calculated according to current time and the third target lease time calculation formula.
7. a kind of DHCP server side characterized by comprising receiving module, parsing module, processing module and sending module；
The receiving module includes address assignment request in the query message for receiving the query message of dhcp client
With customized Option field, the customized Option field is used to show the business of the used business of the dhcp client
Type；
The parsing module, for parsing the received query message of the receiving module to obtain the dhcp client institute
Use the type of service and address assignment request of business；
The processing module, the address assignment request for being parsed according to the parsing module are the dhcp client
The type of service distributing target ip address, and being parsed according to the parsing module determines the target according to preset rules
The lease time of IP address；
The processing module is also used to for the target ip address and its lease time to be encapsulated in the corresponding sound of the query message
It answers in message；
The sending module, the response message for encapsulating the processing module are sent to the dhcp client；
The processing module is also used to after the request message that the receiving module receives that the dhcp client is sent, according to
The received request message of receiving module generates confirmation message；The request message is at least used to request to allow using the mesh
Mark IP address and the lease time using the time for the target ip address；
The sending module is also used to send the confirmation message of the processing module generation to the dhcp client, so that
The dhcp client uses the target ip address according to the lease time of the target ip address.
8. DHCP server side according to claim 7, which is characterized in that the processing module is specifically used for:
The type of service parsed according to the parsing module is searched and the type of service from the first lease time table
The first object lease time is determined as the lease time of the target ip address by corresponding first object lease time；
It include the corresponding lease time of each type of service in the first lease time table.
9. DHCP server side according to claim 7, which is characterized in that the processing module is specifically used for:
The type of service parsed according to the parsing module chosen from the first lease time calculation formula library with it is described
The corresponding first object lease time calculation formula of type of service；It include each in the first lease time calculation formula library
The corresponding lease time calculation formula of type of service；
The lease time of the target ip address is calculated according to current time and the first object lease time calculation formula.
10. DHCP server side according to claim 7, which is characterized in that the processing module is specifically used for:
When the type of service that the parsing module parses is first kind type of service, according to the type of service from the
The second target lease time corresponding with the type of service is searched in two lease time tables, by the second target lease time
It is determined as the lease time of the target ip address；It include each in first kind type of service in the second lease time table
The corresponding lease time of type of service.
11. DHCP server side according to claim 10, which is characterized in that the processing module is also used to:
When the type of service that the parsing module parses is the second class type of service, according to the type of service from the
The second target lease time calculation formula corresponding with the type of service is chosen in two lease time calculation formula libraries；Described
It include the corresponding lease time calculating public affairs of each type of service in the second class type of service in two lease time calculation formula libraries
Formula；
The lease time of the target ip address is calculated according to current time and the second target lease time calculation formula.
12. DHCP server side according to claim 7, which is characterized in that further include judgment module；
The judgment module, for judging whether current time is in first time period；
When the judgment module determines that current time is in first time period, the processing module is used for according to the parsing mould
The type of service that block parses searches third target lease corresponding with the type of service from third lease time table
The third target lease time is determined as the lease time of the target ip address by the time；The third lease time table
In include the corresponding lease time of each type of service；
When the judgment module determines that current time is not at first time period, the processing module is used for according to the parsing
The type of service that module parses chooses corresponding with the type of service from third lease time calculation formula library
Three target lease time calculation formula；It include the corresponding rent of each type of service in the third lease time calculation formula library
It makes an appointment calculation formula；
The processing module is also used to calculate the target according to current time and the third target lease time calculation formula
The lease time of IP address.
13. a kind of DHCP server side, which is characterized in that including memory, processor, bus and communication interface；The memory
For storing computer executed instructions, the processor is connect with the memory by the bus；When described device is run
When, the processor executes the computer executed instructions of the memory storage, so that the DHCP server side executes such as
The lease time configuration method of IP address described in any one of claims 1-6.
14. a kind of computer storage medium, which is characterized in that the computer storage medium includes computer executed instructions, when
When the computer executed instructions are run on computers, so that the computer is executed as described in claim any one of 1-6
IP address lease time configuration method.
15. a kind of dhcp client characterized by comprising sending module, receiving module and processing module；
The sending module, for broadcasting the query message for being directed to DHCP server side；It include that address is distributed in the query message
Request and customized Option field, the customized Option field is for showing the used business of the dhcp client
Type of service；
The receiving module, for receiving the response message for the correspondence query message that the DHCP server side is sent；It is described
The target ip address and its lease time of the corresponding address assignment request are packaged in response message；
The processing module, each described response message for being received according to preset strategy from the receiving module are corresponding
DHCP server side in choose target DHCP server side, and according to the response message generate request message；The request message
At least for requesting to allow the lease time using the target ip address and using the time for the target ip address；
The request message that the sending module is also used to generate the processing module is sent to the target DHCP service
End；
The receiving module is also used to receive the confirmation message that the target DHCP server side is sent；
The processing module be also used to be controlled according to the received confirmation message of the receiving module dhcp client by
The target ip address is used according to the lease time of the target ip address.
16. a kind of lease time of IP address configures system, which is characterized in that described in any item including such as claim 7-12
DHCP server side and dhcp client as claimed in claim 15.
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