CN107370647A - A kind of method interconnected between LAN system and its internal controller system - Google Patents
A kind of method interconnected between LAN system and its internal controller system Download PDFInfo
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- CN107370647A CN107370647A CN201710611637.8A CN201710611637A CN107370647A CN 107370647 A CN107370647 A CN 107370647A CN 201710611637 A CN201710611637 A CN 201710611637A CN 107370647 A CN107370647 A CN 107370647A
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- buddy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5046—Resolving address allocation conflicts; Testing of addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5092—Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
The embodiment of the invention discloses a kind of method interconnected between LAN system and its internal controller system, including：Controller system obtains the IP address of buddy system in LAN；Controller system determines IP address idle in the predetermined IP address network segment according to the IP address of the buddy system of acquisition；Controller system is itself one idle IP address of selection；Controller system is established using buddy system in the IP address and LAN of itself and connected.If the method applied in the present invention can efficiently solve use Dynamic Host Configuration Protocol server to be distributed for control system group at present IP address can increase cost, unlatching DHCP service is as Dynamic Host Configuration Protocol server on some controller system, the problem of controller system just can not flexibly add and exit internet.The cost of Dynamic Host Configuration Protocol server is saved, each controller system flexibly can add and exit internet.
Description
Technical field
The present invention relates to communication interconnection field, more particularly to mutual between a kind of LAN system and its internal controller system
The method of connection.
Background technology
With the development of information technology, electronic information data are exchanged into the main shape for carrying out information transmission for people
Formula, the shared also ever more important of information resources.Therefore, in multiple storage devices or a storage device multiple controllers it
Between usually need to connect each other, with synchronizing information.Between equipment in the case where using a network for interconnection, each sets
Standby system or controller system have been required for an IP address, and IP address each other can not conflict.
At present, it is DHCP (Dynamic Host Configuration Protocol) using most IP methods of salary distribution
The mode of dynamically distributes, it is to carry out the distribution of IP address, it is necessary to there is Dynamic Host Configuration Protocol server using DHCP service, it is not necessary to specify manually
Distribute each IP address.
Taken if interconnected between multiple controller systems in multiple storage devices or a storage device using DHCP
Device be engaged in as their distribution IP address, then needs to increase Dynamic Host Configuration Protocol server, substantially increases cost；If opened on some controller system
DHCP service is opened as Dynamic Host Configuration Protocol server, then will no longer be reciprocity between these systems, open the controller system of DHCP service
System flexibly cannot add and exit internet.
Therefore, a kind of method interconnected in LAN between system how is provided, without using Dynamic Host Configuration Protocol server and nothing
Need to distribute IP automatically in the case of human configuration, any one controller system flexibly can dynamically add and exit control system
Group, is those skilled in the art's technical issues that need to address.
The content of the invention
It is an object of the invention to provide a kind of method interconnected between LAN system and its internal controller system.This method
It is at present that control system group distribution IP address can increase cost using Dynamic Host Configuration Protocol server that can efficiently solve；If in some control
Unlatching DHCP service just flexibly can not add and exit interconnection as Dynamic Host Configuration Protocol server, the then controller system in device system processed
Network.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of method interconnected between LAN internal controller system, including：Controller system obtains partner system in LAN
The IP address of system；Controller system determines IP idle in the predetermined IP address network segment according to the IP address of the buddy system of acquisition
Address；Controller system is itself one idle IP address of selection；Controller system utilizes the IP address and LAN of itself
Interior buddy system establishes connection.
Preferably, controller system obtains the IP address of buddy system in LAN, including：Controller system is to LAN
ARP request message is sent, scans all IP address of LAN；Controller system receives arp reply message, obtains partner in LAN
With the IP address of system.
Preferably, controller system sends ARP request message to LAN and receives arp reply message, obtains LAN
The IP address of interior buddy system, including：Controller system sends all IP in ARP request message scanning LAN to LAN
Location；Controller system stores the IP address used in buddy system according to the arp reply message received, generation
ARP.
Preferably, controller system determines idle in the predetermined IP address network segment according to the IP address of the buddy system of acquisition
IP address, including：Controller system is by the IP address used in ARP by buddy system and the predetermined IP of LAN
Location network segment contrast, it is determined that idle IP address.
Preferably, controller system is itself one idle IP address of selection, including：The controller system selection free time
The minimum IP address as itself in IP address.
Preferably, controller system is established using buddy system in the IP address and LAN of itself and connected, including：Control
Device system interconnects simultaneously transmission information using TCP network connections are established between buddy system in the IP address and LAN of itself.
Preferably, after controller system is itself one idle IP address of selection, in addition to：If have more than two
Controller system simultaneous selection identical conflict IP address；Then controller system is by own MAC address value, with simultaneous selection
The MAC Address value of the buddy system for the IP address that conflicts is compared；The qualified controller system of MAC Address value uses conflict
IP address.
Preferably, the qualified controller system of MAC Address value uses identical IP address, including：MAC Address value compared with
Small controller system uses conflict IP address.
Preferably, after controller system establishes connection using buddy system in the IP address and LAN of itself, also wrap
Include：According to default ARP ageing time, deletion is exited or the IP address information of the controller system of abnormal running and interconnection
Information.
The present invention also provides a kind of LAN system, including multiple controller systems；
Wherein, the controller system is used for the IP address for obtaining buddy system in LAN；It is according to the partner of acquisition
The IP address of system, determine IP address idle in the predetermined IP address network segment；An idle IP address is selected for itself；Using certainly
Buddy system establishes connection in the IP address and LAN of body.
Compared with prior art, above-mentioned technical proposal has advantages below：
The method applied in the present invention in the case of without using Dynamic Host Configuration Protocol server and without human configuration IP address from
The idle IP address of dynamic distribution.If the use of Dynamic Host Configuration Protocol server being that each controller system distributes IP address, need according to reality
Situation increases several Dynamic Host Configuration Protocol server, thus substantially increases cost, method provided by the present invention, without using DHCP service
Device, just save the increased cost of installation Dynamic Host Configuration Protocol server institute；Meanwhile if it is certainly that DHCP service is opened on controller system
Body and other buddy systems distribution IP address, then the relation between the controller system and buddy system of the unlatching DHCP service will
No longer it is reciprocity, to enable whole LAN normal use, the controller system of the unlatching DHCP service can not be random
Ground is exited or closed, method of the present invention by using each controller system for itself selection free IP addresses, without using
DHCP service, so any one controller system flexibly dynamically can add and exit LAN.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
The method interconnected between a kind of local internal controller system that Fig. 1 is provided for a kind of embodiment of the present invention
Flow chart.
Fig. 2 has more than two controller system selections identical while offer by a kind of embodiment of the present invention
IP address solve method flow diagram.
Embodiment
The core of the present invention is to provide a kind of method interconnected between LAN system and its internal controller system.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in detail.
Detail is elaborated in the following description in order to fully understand the present invention.But the present invention can with it is a variety of not
Other manner described here is same as to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 is refer to, Fig. 1 is used in LAN between system for one kind that a kind of embodiment of the present invention is provided
The method flow diagram of interconnection.
A kind of embodiment of the present invention provides a kind of method interconnected between local internal controller system, wraps
Include：
S11：Controller system obtains the IP address of buddy system in LAN.
The collection that all controller systems of interconnection and equity are needed in LAN is collectively referred to as buddy system group in the application；
For some controller system therein, other controller systems are referred to as its buddy system.
In a communication network, two interconnections between equipment or system are realized, then need to know the IP of communicating pair
(Internet Protocol, the agreement interconnected between network) address, both sides are interconnected using IP address, information transmission.Institute
What it is with, it is necessary first to completion is IP address that controller system obtains buddy system in LAN.
S12：Controller system determines IP idle in the predetermined IP address network segment according to the IP address of the buddy system of acquisition
Address.
In a kind of embodiment of the present invention, by the IP address used by buddy system of storage and IP set in advance
IP address in the network segment of location is contrasted, and learns free time, workable IP address easily and fast.
For the IP address network segment in a LAN system, generally preset according to the quantity of institute's receiving system
's.It is determined that after the IP address of buddy system, then by IP set in advance in the IP address of all buddy systems and the LAN
All IP address are contrasted in address network segment, just it is known that IP address idle in the IP address network segment.
S13：Controller system is itself one idle IP address of selection.
Controller system selects an IP address as the IP address of itself in above-mentioned idle IP address.
The present invention is by way of each controller system is itself selection IP address, and without using DHCP, (DynamicHost is matched somebody with somebody
Put agreement) server be controller system distribute IP address, saved Dynamic Host Configuration Protocol server cost, with it also avoid manual configuration IP
The tedious steps of location；Meanwhile be the relation of equity between each controller system, each controller system can flexibly add
Enter, exit and close.
S14：Controller system is established using buddy system in the IP address and LAN of itself and connected.
The both sides to be communicated in network, after having got the IP address of other side, it can be interconnected with connecting other side.
After establishing corresponding connection, message transmission or resource-sharing are can be carried out between system.
The method applied in the present invention in the case of without using Dynamic Host Configuration Protocol server and without human configuration IP address from
The idle IP address of dynamic distribution.If the use of Dynamic Host Configuration Protocol server being that each controller system distributes IP address, need according to reality
Situation increases several Dynamic Host Configuration Protocol server, thus substantially increases cost, method provided by the present invention, without using DHCP service
Device, just save the increased cost of installation Dynamic Host Configuration Protocol server institute；Meanwhile if it is certainly that DHCP service is opened on controller system
Body and other buddy systems distribution IP address, then the relation between the controller system and buddy system of the unlatching DHCP service will
No longer it is reciprocity, to enable whole LAN normal use, the controller system of the unlatching DHCP service can not be random
Ground is exited or closed, method of the present invention by using each controller system for itself selection free IP addresses, without using
DHCP service, so any one controller system, which flexibly can be added dynamically, exits LAN.
In a kind of embodiment provided by the present invention, step S11 can include：
Controller system sends ARP (Address Resolution Protocol, address resolution protocol) to LAN please
Message is sought, target will be included when sending request message, i.e. the ARP request of the IP address of buddy system is broadcast to the institute on LAN
There is controller system, and receive the arp reply message of return, with the IP address of this determination buddy system.
Message is returned to ARP is received sending ARP request message, obtains the process of the IP address of buddy system in LAN
In, all IP address in the ascending scanning LAN of controller system, the arp reply message that then basis receives, really
Determine the IP address of buddy system, that is, the IP address being currently being used；Certainly, the IP address scanned in local area network is scanned
When, and the mode of non-limiting scanning is only order from small to large.
In a kind of embodiment provided by the present invention, step S11 can also include：
The IP address of the buddy system got is stored in ARP, convenient follow-up use.For storing partner
With the form of system ip address, also corresponding storage form, such as text document, compressed file can be selected according to actual conditions
Deng.
In a kind of embodiment provided by the present invention, step S12 can include：
The IP address of buddy system in ARP will be obtained and stored in contrast with the predetermined IP address network segment of LAN, just
Idle IP address in the predetermined IP address network segment of the LAN can be learnt.
The IP address that system in the LAN can use is being pre-selected in the IP address network segment of setting, will be deposited
The IP address being had been used in ARP is stored up, is contrasted, can easily judged with IP address in the predetermined IP address network segment
Go out IP address be not used by, idle.
In a kind of embodiment provided by the present invention, step S13, controller system is itself one idle IP of selection
Address, it can include：
Controller system for itself selection IP method be also it is diversified, can be in free IP addresses from small to large
Selection or mode from big to small etc., can select one it is idle, be not the IP address having been used.
Controller system for itself selection IP address during, it is also possible to run into synchronization may have it is more than two
Controller system selects identical IP address S20, causes the situation of IP address conflict.
As shown in Fig. 2 to there are more than two controller systems to select identical IP address to solve method flow diagram simultaneously,
In an embodiment of the present invention, based on the problem, also there is corresponding solution method：The control of conflict IP address will be have selected
The MAC Address value of device is compared S21, and the wherein less controller system of MAC Address value uses the IP address S22 of the conflict,
Other controller systems then need to reselect IP address.
The controller system of simultaneous selection conflict IP address, can also be according to actual feelings when carrying out conflict IP address distribution
Condition, the corresponding distribution method of sets itself are allocated.
In the embodiment, the intelligent IP address conflict for avoiding controller system during itself selection IP address to occur
Problem, it can effectively carry out the interconnection between the distribution of IP address and system.
In a kind of embodiment provided by the present invention, step S14, it can include：
The mode of connection is established, is voluntarily selected according to actual conditions, such as TCP can be established between system
(Transmission Control Protocol, transmission control protocol) network connection or UDP (User Datagram
Protocol, UDP) network connection etc..
, can be to carry out information transmission after establishing connection between control system.
But after establishing connection between the systems, in controller system companion group running, there is controller unavoidably
System breaks down suddenly, power down either has little time to notify other buddy systems oneself to exit, in this case, this
A kind of solution that is there is provided of embodiment of invention is：
By default ARP ageing time, ARP is just updated by the specific time, deletion is exited or anon-normal
The IP address information and interconnection information of the controller system often run.For example, ARP ageing time set in advance is 20 points
Clock, then at interval of 20 minutes, just ARP is updated.After renewal, the timer of ARP ageing time can be reset, with
Just to updating carry out timing next time.
Under such an approach, controller system has been attached without connection is disconnected, and automatically ARP can have been carried out more
Newly, upper layer application and business be without disconnecting, interconnection services of the upper layer application when being updated in ARP without disconnection, because
This method provided by the present invention, upper strata interconnection services can be caused there are more more flexible optional leeway in service,
Simultaneously without Dynamic Host Configuration Protocol server and human configuration, cost is saved and has reduced the workload of human configuration IP address.
Another embodiment of the present invention：
When each system composition cluster is started working in LAN, according to cluster controller system, the number of buddy system
Amount, agreement will use the IP address network segment.For example, the IP address network segment used in agreement buddy system group is 192.168.1.0, son
Mask is 255.255.255.0.Then, controller system sends ARP request to LAN, according to IP address in the IP address network segment
Order from big to small finds the IP address of buddy system, obtains ARP, and what is stored in the ARP has been used
IP address.Learnt from ARP, shared by the controller that IP address 182.168.1.1 has been currently running, other IP
Location is then in idle state.
After controller system draws the IP address of free time, for itself one IP address 192.168.1.2 of selection, its sub- mask
For 255.255.255.0.
After the IP address of other buddy systems known to controller system, the two can be connected with establishing.Controller system
TCP network connections, mutual synchronous information are established with 182.168.1.1 buddy system.
Suitable network connection, such as UDP network connections etc. can be established between certain controller system according to actual conditions
Deng.
The embodiment, intelligent interconnection between LAN internal controller system is realized, has saved the cost of Dynamic Host Configuration Protocol server, also
Avoid the cumbersome process of manual configuration IP address.The controller system of buddy system group in LAN, can be flexible
Add, exit buddy system group.
A kind of embodiment of the present invention provides a kind of LAN system, is related to communication interconnection field, particularly
Applied to the interconnection between the buddy system of LAN internal controller system cluster, including multiple controller systems.
Wherein, controller system is used for the IP address for obtaining buddy system in LAN；According to the buddy system of acquisition
IP address, determine IP address idle in the predetermined IP address network segment；An idle IP address is selected for itself；Using itself
IP address is established with buddy system in LAN and connected.
Because the embodiment of components of system as directed and the embodiment of method part are mutually corresponding, therefore the embodiment of components of system as directed please
Referring to the description of the embodiment of method part, wouldn't repeat here.
In summary, method provided by the present invention, without using Dynamic Host Configuration Protocol server and without human configuration IP address
In the case of, the idle IP address of automatic distribution.If the use of Dynamic Host Configuration Protocol server being that each controller system distributes IP address,
Several Dynamic Host Configuration Protocol server need to be increased according to actual conditions, thus substantially increase cost, method provided by the present invention, without using
Dynamic Host Configuration Protocol server, just save the increased cost of installation Dynamic Host Configuration Protocol server institute；Meanwhile if DHCP is opened on controller system
Service and distribute IP address for itself and other buddy systems, then between the controller system and buddy system of the unlatching DHCP service
Relation will no longer be reciprocity, to enable whole LAN normal use, the controller system of the unlatching DHCP service will
Optionally it can not exit or close, method of the present invention by using each controller system for itself selection free IP addresses,
Without using DHCP service, so any one controller system flexibly dynamically can add and exit LAN.In addition, exist
When running into the situation of the identical IP address of simultaneous selection, the MAC Address value of the controller system by comparing selection conflict IP,
The controller system that MAC Address value conforms to a predetermined condition is continuing with conflict IP, and the other systems during this then need again
IP address is selected, this method can be effectively prevented from IP address conflict, additionally it is possible to the regularly IP address information to storage and mutually
Connection information is updated so that upper-layer service has more flexible selection space.
The method interconnected a kind of LAN system provided by the present invention and its internal controller system is carried out above
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of method interconnected between local internal controller system, it is characterised in that including：
Controller system obtains the IP address of buddy system in LAN；
The controller system is according to the IP address of the buddy system of acquisition, with determining IP idle in the predetermined IP address network segment
Location；
The controller system is itself one idle IP address of selection；
The controller system is established using buddy system in the IP address and LAN of itself and connected.
2. according to the method for claim 1, it is characterised in that the controller system obtains buddy system in LAN
IP address, including：
The controller system sends ARP request message to LAN, scans all IP address of LAN；
The controller system receives arp reply message, obtains the IP address of buddy system in LAN.
3. according to the method for claim 2, it is characterised in that the controller system receives arp reply message, acquisition office
In the net of domain after the IP address of buddy system, in addition to：
The IP address of buddy system in the LAN of acquisition is stored in ARP by the controller system.
4. according to the method for claim 3, it is characterised in that the controller system is according to the IP of the buddy system of acquisition
Address, IP address idle in the predetermined IP address network segment is determined, including：
The controller system will be pre- by the IP address that the buddy system uses and the LAN in the ARP
The contrast of the IP address network segment is determined, it is determined that idle IP address.
5. according to the method for claim 4, it is characterised in that the controller system is itself one idle IP of selection
Address, including：
The minimum IP address as itself in the idle IP address of the controller system selection.
6. according to the method for claim 1, it is characterised in that the controller system utilizes the IP address and local of itself
Buddy system establishes connection in net, including：
The controller system is interconnected simultaneously using TCP network connections are established between buddy system in the IP address and LAN of itself
Transmission information.
7. according to the method for claim 1, it is characterised in that the controller system is itself one idle IP of selection
After address, in addition to：
If there is more than two controller system simultaneous selections identical conflict IP address；Then the controller system by itself
MAC Address value, compared with the MAC Address value of the buddy system of conflict IP address described with simultaneous selection；
The controller system that MAC Address value meets preparatory condition uses the conflict IP address.
8. according to the method for claim 7, it is characterised in that the controller system that MAC Address value meets preparatory condition makes
With the conflict IP address, including：
The less controller system of MAC Address value uses the conflict IP address.
9. according to the method described in claim any one of 3-5, it is characterised in that the controller system is using the IP of itself
After connection is established in location with buddy system in LAN, in addition to：
According to default ARP ageing time, deletion is exited or the IP address information of the controller system of abnormal running and mutually
Join information.
10. a kind of LAN system, it is characterised in that including multiple controller systems；
Wherein, the controller system is used for the IP address for obtaining buddy system in LAN；According to the buddy system of acquisition
IP address, determine IP address idle in the predetermined IP address network segment；An idle IP address is selected for itself；Using itself
IP address is established with buddy system in LAN and connected.
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| CN201710611637.8A CN107370647B (en) | 2017-07-25 | 2017-07-25 | Method for interconnecting local area internal controller systems and local area network system |
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| CN201710611637.8A CN107370647B (en) | 2017-07-25 | 2017-07-25 | Method for interconnecting local area internal controller systems and local area network system |
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|---|---|
| CN107370647B (en) | 2020-03-10 |
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