CN105306617B - For distributing the method and the network equipment of network address - Google Patents

For distributing the method and the network equipment of network address Download PDF

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Publication number
CN105306617B
CN105306617B CN201510608322.9A CN201510608322A CN105306617B CN 105306617 B CN105306617 B CN 105306617B CN 201510608322 A CN201510608322 A CN 201510608322A CN 105306617 B CN105306617 B CN 105306617B
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address
controlled node
network
node
assigned
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CN105306617A (en
Inventor
楼侃
刘棋星
陈志樑
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Guangzhou On Bright Electronics Co Ltd
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Guangzhou On Bright Electronics Co Ltd
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Priority to CN201510608322.9A priority Critical patent/CN105306617B/en
Priority to TW104137187A priority patent/TWI682654B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

This disclosure relates to method and the network equipment for distributing network address.Method includes: to determine whether to have the address recycled so that main controlled node is allocated to the controlled node of the network of access main controlled node from main controlled node;If main controlled node determines there is the address recycled, main controlled node distributes the corresponding address in the address recycled to controlled node;And if main controlled node determines that, there is no the address recycled, main controlled node distributes not yet assigned address to controlled node.

Description

For distributing the method and the network equipment of network address
Technical field
The present disclosure generally relates to communication and internet of things field.More particularly, to it is a kind of distribute network address method and The network equipment.
Background technique
With the development of society, Internet of Things industry and wearable device industry increasingly obtain pursuing for people.However, such Equipment often because of the limitation on hardware, lacks enough hardware resources and is unable to run operating system.Therefore, it is lacked such In the case where weary memory headroom or cpu resource etc., the address distribution for how accomplishing to be efficiently completed during network insertion is industry The technical point that boundary must capture.
Summary of the invention
According to an aspect of the invention, there is provided a kind of method for distributing network address, which comprises
Determine whether to exist the address recycled from main controlled node so that main controlled node is to the network of access main controlled node Controlled node is allocated;
If main controlled node determines there is the address recycled, main controlled node has been recycled to controlled node distribution is described A corresponding address in address;And
If main controlled node determines that, there is no the address recycled, main controlled node is distributed to controlled node and is not yet assigned Address.
According to another aspect of the present invention, provide a kind of for distributing the network equipment of network address, the network is set Standby includes: memory;And processor, the processor is configured to execute the instruction that is stored in the memory with:
Determine whether to exist the address recycled for network from the network equipment to access network device network node into Row distribution;
If the network equipment determines there is the address recycled, the network equipment distributes the address recycled to network node In a corresponding address;And
If the network equipment determines that, there is no the address recycled, the network equipment is distributed to network node and is not yet assigned Address.
According to the disclosure provide for distribute network address method and the network equipment can efficiently, compactly complete net Address distribution in network access procedure.In addition, being provided according to the disclosure less for distributing network address network equipment requirement Memory and the hardware resources such as CPU, the Internet of things system particularly suitable for no operating system.
Detailed description of the invention
The exemplary embodiment of the disclosure is escribed below with reference to attached drawing.It should be appreciated that attached drawing be intended to explanation rather than The scope of the present disclosure is limited, and attached drawing is not necessarily drawn to scale.
Fig. 1 is to show wherein realize showing for Star Network of the invention according to one embodiment of the disclosure It is intended to.
Fig. 2 is to show wherein realize showing for tree network of the invention according to one embodiment of the disclosure It is intended to.
Fig. 3 is to show the flow chart of the method for distributing network address of one embodiment according to the disclosure.
Fig. 4 is to show the detailed example stream of the method for distributing network address of one embodiment according to the disclosure Cheng Tu.
Fig. 5 is to show the example block diagram of the system for distributing network address of one embodiment according to the disclosure.
Specific embodiment
The feature and exemplary embodiment of various aspects of the present invention is described more fully below.Following description covers many Detail, in order to provide complete understanding of the present invention.It will be apparent, however, to one skilled in the art that The present invention can be implemented in the case where not needing some details in these details.Below only to the description of embodiment It is to be provided by showing example of the invention to the clearer understanding of the present invention.The present invention is not limited to set forth below Any concrete configuration, but cover correlated characteristic, structure, operation under the premise of without departing from the spirit of the present invention etc. appoints What modification, replacement and improvement.
It present invention can be suitably applied to various networks, for example, Star Network, tree network etc..Distinguish referring to Fig. 1 and Fig. 2 Star Network and tree network are described.
Fig. 1, which is shown, according to an embodiment of the invention can wherein realize Star Network 100 of the invention Schematic diagram.Star Network is centerized fusion network.As shown in Figure 1, node A is the central node of the Star Network and as master Node is controlled, node B, C, D, E, F, G are controlled node.Main controlled node A can directly carry out controlled node B, C, D, E, F, G Control, and controlled node B, C, D, E, F, G can execute corresponding actions according to the control of main controlled node A.In the Star Network 100 In, the status of controlled node B, C, D, E, F, G in a network can be it is identical, but they can from main controlled node A receive phase Same or different control instruction, thereby executing identical or different movement.
Tree network 200 of the invention can be wherein being realized Fig. 2 shows according to an embodiment of the invention Schematic diagram.Tree network is the centerized fusion network of classification.As described in Figure 2, node A is the central node of the tree network, It can be used as main controlled node, node B, C are in different levels from node D, E, F, G.In one aspect, as shown in Fig. 2, node B, C can be used as controlled node relative to node A, and in another aspect, node B, C are relative to next stage node D, E, F, G It can be used as main controlled node.Therefore, in Fig. 2, main controlled node A can directly be controlled node B, C, and node B, C can be with Corresponding actions are executed according to the control of main controlled node A.In addition, node B, C can respectively control node D, E and F, G, section Point D, E and F, G can execute corresponding actions according to the control of node B, C respectively.It should be noted that in Fig. 2, although node D, E, F, G is respectively by the control of node B, C, but they are all controlled by main controlled node A indirectly.
Above-mentioned Fig. 1 and Fig. 2 is only Application Scenarios-Example of the invention.Application scenarios of the invention be not limited to above-mentioned Fig. 1 with Network topology structure shown in Fig. 2, and network node number is also not necessarily limited to Fig. 1 and number shown in Fig. 2, the present invention can be with Suitable for any appropriate any network of number of network node purpose, including various nets that are any known and developing in the future Network.
Fig. 3 is to show the flow chart of the method 300 for distributing network address of one embodiment according to the disclosure.
As shown in figure 3, the method 300 for distributing network address may include steps of:
In step S301, determine whether to exist the address recycled from main controlled node so that main controlled node is to accessing the master control The controlled node of the network of node is allocated.
If determining there is the address recycled in step S301 main controlled node, process proceeds to step S302.In step Rapid S302, the corresponding address in address that main controlled node has been recycled to controlled node distribution.
If determining that, there is no the address recycled, process proceeds to step S303 in step S301 main controlled node.? Step S303, main controlled node distribute not yet assigned address to controlled node.
In one embodiment, it includes: that main controlled node obtains that main controlled node, which distributes not yet assigned address to controlled node, Take the index value of the address to be assigned in not yet assigned address;And main controlled node determines the address to be assigned Whether index value reaches number of addresses threshold value.In one embodiment, main controlled node obtain in not yet assigned address will quilt The index value of the address of distribution, and whether the index value of the address to be assigned described in judgement reaches number of addresses threshold value.If wanted The index value of assigned address has reached number of addresses threshold value, then the distribution failure of main controlled node instruction address.If described will quilt The index value of the address of distribution does not reach the number of addresses threshold value, then main controlled node distributes to the address to be assigned Controlled node.
In one embodiment, the method also includes: main controlled node is distributed to by the address in the address recycled After controlled node, main controlled node deletes assigned address from the address recycled.
In one embodiment, number of addresses threshold value can be equal to the sum for the controlled node that can be accommodated in network.
Network insertion process can efficiently, be compactly completed according to the method for distributing network address that the disclosure provides In address distribution, the Internet of things system particularly suitable for no operating system.
Fig. 4 is the detailed example process according to the method 400 for distributing network address of one embodiment of the disclosure Figure.
As shown in figure 4, the method 400 for distributing network address may include steps of:
In step S401, main controlled node obtain the index value N for the address to be assigned in the not yet assigned address of instruction, And indicate the value T0 of the address sum recycled.
In one embodiment, since main controlled node when distributing address be allocated in order by the address of N index. Maximum number (that is, the number of addresses threshold value) N1 for the controlled node that the network that the maximum value of N can be equal to main controlled node can accommodate. In one embodiment, the initial value of N can be set to 1.It should be understood, however, that the initial value of N can also be limited between 1 and N1 Between any other value.In one embodiment, main controlled node can be incremented by (for example, being incremented by 1) when distributing address according to N Sequence distribute address.It should be understood, however, that main controlled node can also successively decrease when distributing address according to N (for example, successively decrease 1) Sequence distributes address.In one embodiment, the value of N can be saved in storage device associated with main controlled node.It answers Understand, storage device can be integrated or mutually independent with main controlled node with main controlled node.In one embodiment, storage device can Think nonvolatile storage medium, such as flash memory.
In one embodiment, the initial value of T0 can be set to 0.In one embodiment, whenever having address from controlled When node has been recovered, the value of T0 is incremented by, such as is incremented by 1.In one embodiment, whenever the address in the address recycled When being allocated to controlled node, the value of T0 is decremented by, such as successively decreases 1.In one embodiment, the value of T0 can be saved with In the associated storage device of main controlled node.It should be understood that storage device can be integrated with main controlled node or with main controlled node phase It is independent.In one embodiment, storage device can be nonvolatile storage medium, such as flash memory.It should also be understood that the value of T0 can To be saved in same storage device with index value N, also can be saved in different storage devices.
In step S402, main controlled node determines whether the value of the total T0 for the address recycled is greater than zero, therefore, it is determined that being It is no to there is the address recycled so that main controlled node is allocated to the controlled node for the network for accessing the main controlled node.
If determining that the value of T0 is greater than zero in step S402, main controlled node determines there is the address recycled, and method Proceed to step S403.
In step S403, main controlled node chooses an address N2 from the address recycled, and then incites somebody to action in step S404 Selected address N2 distributes to controlled node.
Main controlled node is after distributing to controlled node for the address N2 in the address recycled, as described above, the value of T0 It is decremented by, step S405.In one embodiment, the value of T0 is decremented by 1 at this time.In addition, main controlled node is being incited somebody to action in step S406 After address N2 in the address recycled distributes to controlled node, main controlled node deletes address N2 from the address recycled It removes.
On the other hand, if determining that the value of T0 is not more than zero in step S402, main controlled node determines that there is no recycled Address, and method proceeds to step S407.
In step S 407, main controlled node determines whether the index value N for the address to be assigned reaches number of addresses threshold value N1. If method proceeds to step S408, wherein main controlled node not reaching number of addresses threshold value N1 in step S407 decision content N Controlled node is distributed into the address of N index.After successfully distributing address, index value N is passed in step S409 main controlled node The address for increasing (for example, be incremented by 1), and then in step S410 saving the index value N of update so as to distribution secondary as under Index value.Then, method 400 terminates.
On the other hand, if determining that the index value N for the address to be assigned has had reached number of addresses threshold in step S407 Value N1, then in the distribution failure of step S411 main controlled node instruction address.In one embodiment, main controlled node " is divided by prompt Fail with address, have reached maximum receiving number of nodes " fail to indicate that address is distributed.Then, method 400 terminates.
It should be appreciated that although specific steps are shown as in a particular order executing, to sequence described in method It is not intended to be construed as limiting.Any number of described method and step can by with random order in conjunction with realizing this method or replace For method.Under conditions of without departing substantially from the scope and spirit of theme described herein, it is convenient to omit one or more steps.This Outside, without departing from the scope of the present invention, this method can be implemented in any hardware appropriate, software, firmware or In their combination.
Fig. 5 is the example block diagram according to the system 500 for distributing network address of one embodiment of the disclosure.This is System 500 may include main control device 501 and at least one controlled plant 502.Although shown in Fig. 5 two it is controlled set it is 502 standby, It is to be understood that can have more controlled plants.
Main control device 500 may include memory 5011 and processor 5012.Memory 5011 is stored for processor 5012 The various programs and data executed.Memory 5011 can be nonvolatile storage medium (ROM, flash memory etc.), volatibility Memory (such as RAM), and combinations thereof.In the situation of such as wearable device, memory can be only non-volatile storage Deposit medium.
It is disclosed herein for distributing network to execute that processor 5012 executes the program being stored in memory 5011 The method of location.Processor 5012 can be any kind of processor, including but not limited to microprocessor, microcontroller, number Signal processor (DSP) or their any combination.In the situation of such as wearable device, processor can be occupied very Small hardware resource.
When controlled node 502 accesses the network of main controlled node 501 (for example, networking or networking), the place of main controlled node 501 Reason device 5012 determine whether to exist the address recycled for network from main controlled node to access main controlled node controlled node into Row distribution;If processor 5012 determines there is the address recycled, processor 5012 has been recycled to controlled node distribution A corresponding address in address;And if processor 5012 determines there is no the address recycled, main controlled node to by Control the not yet assigned address of node distribution.
In one embodiment, processor 5012 obtains the ground that controlled node is assigned in not yet assigned address The index value N of location, and by index value N and number of addresses threshold value N1 (the controlled section that the network of instruction main controlled node 501 can accommodate The maximum quantity of point 502) it is compared.If the value of N does not reach number of addresses threshold value N1, processor 5012 is by value N institute rope It distributes in controlled node 502 address drawn.If the value of N has reached number of addresses threshold value N1, processor 5012 indicates address Distribution failure.
On the other hand, in the case where processor 5012 determines to have the address recycled, processor 5012 is from having recycled Address in choose an address N2 and address N2 distributed into controlled node 502.Later, processor 5012 is from the ground recycled Assigned address N2 is deleted in location.
According to the present embodiment for distribute network address system 500 can efficiently, compactly complete network insertion Address distribution in journey.In addition, the memory and CPU less according to the system requirements for distributing network address that the disclosure provides Equal hardware resources, the Internet of things system particularly suitable for no operating system.
The foregoing describe when the network of controlled node access main controlled node, address is distributed from main controlled node to controlled node Method and system.When main controlled node needs controlled release address of node (that is, carrying out clear code operation), main control device can lead to Broadcast data packet is crossed to inform that each controlled plant release address (clear code) operation will be performed.Main control device is clear in successful execution After code operation, the value of N and T0 can be reset into initial value, they can be saved in storage device for subsequent address point With middle with reference to use.Main control device can also record the address of release to be repeated to make for executing next time when the distribution of address With.
Element of the invention can be implemented as hardware, software, firmware or their combination.It is realized when with software mode When, element of the invention is used to execute the program or code segment of required task.Program or code segment can store In machine readable media, either sent by the data-signal carried in carrier wave in transmission medium or communication links.
" one embodiment " is mentioned above, it should be understood, however, that the feature referred in various embodiments might not It can be only applied to the embodiment, but be possibly used for other embodiments or be applied in combination with other embodiments.
Some specific examples according to the present invention are described by reference to attached drawing above.But the present invention be not intended to by To the limitation of any concrete configuration and process described in above-described embodiment.System mentioned herein, method, chart, electricity It is statement of the present invention that road, which is realized, and listed example is only applicating example of the invention, does not represent that present invention is limited only to this Class application example.Within the scope of spirit of the invention, those skilled in the art are able to recognize that above-mentioned configuration, algorithm, behaviour Make the various replacements with process, be altered or modified.

Claims (10)

1. a kind of method for distributing network address, which comprises
Determine whether to exist from the recycling of any controlled node for the network for being previously accessed the main controlled node by main controlled node Address is allocated for the main controlled node to any controlled node for the network that will access the main controlled node;
If the main controlled node determines there is the address recycled, the main controlled node will be to will access the main controlled node Network the controlled node distribution address recycled in a corresponding address;And
If the main controlled node determines that, there is no the address recycled, the main controlled node distributes still to the controlled node Unassigned address.
2. the method as described in claim 1, wherein including: to the not yet assigned address of controlled node distribution
The index value of the address to be assigned in the not yet assigned address is obtained by the main controlled node;
Whether the index value of the address to be assigned as described in controlled node judgement reaches number of addresses threshold value.
3. method according to claim 2, wherein
If the index value of the address to be assigned does not reach the number of addresses threshold value, the main controlled node will be described Distribute to the controlled node in the address to be assigned;And
If the index value of the address to be assigned has reached the number of addresses threshold value, the main controlled node indicates address Distribution failure.
4. the method as described in claim 1 further includes
The main controlled node is after distributing to the controlled node for the address in the address recycled, the main controlled node Assigned address is deleted from the address recycled.
5. method according to claim 2, wherein the number of addresses threshold value is equal to the controlled node that can be accommodated in the network Number.
6. a kind of for distributing the network equipment of network address, the network equipment includes:
Memory;With
Processor, the processor is configured to the instruction stored in the memory is executed, to determine whether to exist from elder generation The address of any network node recycling of the network of the preceding access network equipment will be so that the network equipment will be to will access institute The arbitrary network node for stating the network of the network equipment is allocated;
If it is determined there is the address recycled, then to described in the distribution of the network node for the network that will access the network equipment A corresponding address in the address recycled;And
If it is determined that there is no the addresses recycled, then not yet assigned address is distributed to the network node.
7. the network equipment as claimed in claim 6, the processor is also configured to
Obtain the index value of the address to be assigned in the not yet assigned address;
Whether the index value for the address to be assigned described in judgement reaches number of addresses threshold value.
8. the network equipment as claimed in claim 7,
If the index value of the address to be assigned does not reach the number of addresses threshold value, by the ground to be assigned Distribute to the network node in location;And
If the index value of the address to be assigned has reached the number of addresses threshold value, address distribution failure is indicated.
9. the network equipment as claimed in claim 7, the processor is additionally configured to will be in the address that recycled After the network node is distributed in address, assigned address is deleted from the address recycled.
10. the network equipment as claimed in claim 7, wherein the number of addresses threshold value is equal to the network that can be accommodated in the network The number of node.
CN201510608322.9A 2015-09-22 2015-09-22 For distributing the method and the network equipment of network address Active CN105306617B (en)

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TW104137187A TWI682654B (en) 2015-09-22 2015-11-11 Method and network equipment for allocating network address

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EP1659762A1 (en) * 2004-11-23 2006-05-24 Microsoft Corporation System and method for a distributed address allocation server for peer-to-peer networks
CN101656763A (en) * 2009-09-11 2010-02-24 华为技术有限公司 IP address automatic distribution method, client and server
CN102238239A (en) * 2010-04-21 2011-11-09 电信科学技术研究院 IP address allocation method and device
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TW201713100A (en) 2017-04-01
CN105306617A (en) 2016-02-03

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