CN102694874A - An address configuration method of an IPv6 wireless sensor network - Google Patents
An address configuration method of an IPv6 wireless sensor network Download PDFInfo
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- CN102694874A CN102694874A CN2011100703376A CN201110070337A CN102694874A CN 102694874 A CN102694874 A CN 102694874A CN 2011100703376 A CN2011100703376 A CN 2011100703376A CN 201110070337 A CN201110070337 A CN 201110070337A CN 102694874 A CN102694874 A CN 102694874A
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Abstract
The invention discloses an address configuration method of an IPv6 wireless sensor network, which comprises schemes of the address configuration of IPv6 and the short address configuration of IEEE802.15.4. Nodes in the IPv6 wireless sensor network use 64-bits-long addresses and each node is configured with four types of addresses which are the link-local address, the aggregatable global unicast address, the full-node multicast address and the solicited-node multicast address. In the sensor network based on IEEE802.15.4, the devices, which are micro wireless devices, have a high demand for the hardware. Therefore, in order to achieve the basic IPv6 communication function in actual design, the nodes must use 64-bit-long addresses and each node is configured with four types of addresses which are the link-local address, the aggregatable global unicast address, full-node multicast address and the solicited-node multicast address. The method solves the problems in the address configuration scheme of the IPv6 wireless sensor network and significantly contributes to the promotion of the development in wireless sensor network.
Description
Technical field
The present invention relates to a kind of address configuration method of IPv6 wireless sensor network.
Background technology
Wireless sensor network is the product that this three technology of calculating, communication and transducer combines, and becomes active research branch of computer science at present.Wireless sensor network is that hundreds of this type of sensor node is arranged in the specific zone and the network that forms, and they are efficient, stable through certain protocol, correct self-organizing is got up, and a certain application task is accomplished in collaborative work.These nodes can be gathered the related data of monitored area, and with the mode of multi-hop the result are sent to the user.Wireless sensor network is with a wide range of applications in various fields such as military and national defense, environmental monitoring, emergency response, Smart Homes.
Wireless sensor network as one independently LAN study; Each node need distribute unique ID in the net to represent the address of oneself; When the network node number more after a little while, can be node configuration ID by hand, but when number of nodes is very big; This way is irrational, and this just needs the agreement of a kind of automatic configuration network of design address to come to distribute the address for node.Simultaneously go up communicating by letter of main frame in order to realize with Internet, this ID should to go up the IP address format of main frame compatible mutually with Internet, realizes interconnected with Internet through access protocol.
The address assignment agreement need possess following character:
Uniqueness: the address configuration agreement should guarantee that addresses distributed can not repeat with other address of node in net;
Distributivity: because the equity between sensor network nodes, so the address assignment agreement also should be taked distributed computing;
Automaticity: node address is to distribute automatically, but not manual the setting;
The transparency: the address assignment agreement has the transparency with respect to Routing Protocol, and is promptly irrelevant with employed Routing Protocol, is suitable for each Routing Protocol;
Simplicity: should avoid node to take too many resource, reduce computing, information stores and the realization expense of node as far as possible;
Low expense property: the overhead of agreement is little;
Low retardance: address-assignment latency is little;
Autgmentability: the favorable expandability of agreement;
IP address format is compatible: desire is interconnected with Internet, and the defined address format of address assignment agreement is compatible with the IPv6 address system structure.
The address configuration agreement is a network layer protocol, after sensor node energising, just brings into operation, and is before the Routing Protocol operation, promptly after each sensor node has all had legal, effective I P address, the collection of just carrying out data with communicate by letter.The Carrier Sense Multiple Access agreement that the general employing of MAC layer avoids conflict is CSMA/CA.
IPv6 has the incomparable advantage of IPv4 as the alternate version of IPv4, is the development trend of Internet procotol.RFC2373 has following regulation to the IPv6 address system structure: all addresses in network prefix from 001 to 111 scope; Comprise global unicast address (Aggregatable global unicast address), link-local unicast address (Link-Local Unicast Address) and zone-local unicast address (Site-Local Unicast Address), their back 64 interface identifier should be followed IEEE EUI-64 form (Extended Universal Identifier).In the EUI-64 form preceding 24 with back 24 derive from respectively in the MAC Address preceding 24 with back 24,16 middle " FE " dose up in order to supply 16 binary digits that MAC Address and EUI-64 differ.The 7th is that the u position is different with the corresponding position of MAC Address among the EUI-64, is always ' 1 ', and the identifier of company is distributed in ' c ' expression, and ' g ' is individuality/group position, and ' m ' is the extended identifier that production firm is selected.
Summary of the invention
The objective of the invention is to propose a kind of address configuration method of IPv6 wireless sensor network, to realize basic IPv6 communication function.
The technical scheme that the present invention adopts is following:
The address configuration method of a kind of IPv6 wireless sensor network that the present invention relates to is characterized in that:
Node in the IPv6 wireless sensor network uses 64 bit long addresses.
For said node configuration link local address, can assemble global unicast address, full node multicast address, these four kinds of addresses of requesting node multicast address.
The present invention has the following advantages: the node in the IPv6 wireless sensor network uses 64 bit long addresses to meet the EUI-64 form, has global uniqueness.
Embodiment
IPv6 has stipulated polytype IPv6 address.In addition, IEEE 802.15.4 has stipulated two types of MAC Addresss, and one type is the location longways of 16 bits, and one type is the short address of 64 bits.Next we will discuss the configuration of IPv6 address and the allocation plan of IEEE802.15.4 short address.
1.IPv6 the form of address and classification
The IPv6 address is the identifier of stand-alone interface, and all IPv6 addresses all are assigned to interface, rather than node.Each interface all belongs to certain specific node, and each node can dispose a plurality of interfaces, and any interface IP address of node can identify this node.IPv6 comprises following three kinds of address styles:
Unicast address (unicastaddress): be used for certain interface of unique identification IPv6 node.With the unicast address be packet that destination address sends be addressed to this address designation certain confirm interface.Unicast address comprises again can assemble global unicast address, link local address, website local address and some other special single-point transfer address.
Multicast address (multicastaddress): be used for identifying one group of IPv6 interface.With the multicast address is that the packet that destination address sends will be handled by all members in the group.IPv6 does not have broadcast address, and its function can be substituted by multicast address.
Appoint and to broadcast address (anycastaddress): appoint and broadcast the address and can distribute to a plurality of IPv6 interfaces (being usually located at a plurality of nodes).To broadcast the address be that the packet of destination address will only can be handled normally nearest that by one of them interface to appoint.If multicast address is applicable to the communication occasion of onetomany, the recipient is a plurality of interfaces, appoints so and broadcasts the communication occasion that the address then is applicable to onetoone-of-many, and the recipient is any in the group interface.
2.IEEE802.15.4 short address allocative decision
Accomplish the initialization of hardware when node after, the node high level sends the request that adds network to bottom, after bottom is received this request, sends the scan channel signal to Radio Link.In the 2.4GHz frequency range, scan the 10th channel to the 26 channels.If there has been PAN (PAN) to exist; Node can get access to the information of each PAN so, and passes to high level to these information, and high level is set corresponding decision threshold according to rule; Therefrom select optimum oneself PAN, and send the information of joining request to the coordinator.If add successfully, the coordinator sends the adding acknowledge message to node, and at this moment, node just can send the short address request message to the coordinator, and the request coordinator distributes the unique short address of this PAN for it.
3.IPv6 the realization of address configuration
The IEEE802.15.4 regulation, after equipment joined among the WPAN (wireless personal local area network), coordinator's (perhaps father node) can give the short address of one 16 of devices allocation, and address realm is at 0x0000---between the 0xffff.For the coordinator,, also just can not be that the node that adds network distributes the short address if, represent that this equipment only uses 64 extended address for its short address that disposes Oxfffe; If be the short address of its configuration 0xffff, represent that then its short address is unknown.16 short addresses have made things convenient for the communication between same WPAN internal node.
IEEE802.15.4 has been each node configuration two mac-layer address: 16 bit short addresses and 64 bit long addresses, simultaneously, each WPAN also has unique PAN identifier (PANID).Therefore, when configuration of IP v6 address, two kinds of methods can be arranged:
Combine to generate interface ID with 16 short addresses and 16 PANID;
With 64 bit long addresses as interface ID.
It is simple that first method generates the IPv6 address format, and can guarantee the uniqueness of interface ID to a great extent.But can not guarantee its uniqueness in Internet fully.And 64 bit long addresses meet the EUI-64 form, have global uniqueness.Therefore, we adopt longways that the location is used to generate the IPv6 address as interface ID.
In the sensor network based on IEEE802.15.4, equipment is miniature wireless device, because its hardware requirement is higher, in design, in order to realize basic IPv6 communication function, node must be configured to down the address:
Link local address
Can assemble global unicast address
Full node multicast address (all-nodemulticastaddress)
Requesting node multicast address (solicited-nodemulticastaddress)
For sensor node, each node has only an interface, and each interface all should be configured to the above address.The most important characteristic of IPv6 is the automatic configuration feature in address.In Ethernet, at first need the configuration link local address, then, can assemble global unicast address and combine to generate, so in sensor network, the emphasis that we consider at first is the configuration of link local address by link local address and global routing prefix thereof; Secondly, be how to obtain global routing prefix to combine generation can assemble global unicast address.
Claims (2)
1. the address configuration method of an IPv6 wireless sensor network is characterized in that:
Node in the IPv6 wireless sensor network uses 64 bit long addresses.
2. the address configuration method of IPv6 wireless sensor network as claimed in claim 1 is characterized in that:
For said node configuration link local address, can assemble global unicast address, full node multicast address, these four kinds of addresses of requesting node multicast address.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648116A (en) * | 2013-11-13 | 2014-03-19 | 上海交通大学 | Low-power-consumption wireless-sensor-network optimization method based on program analysis |
| CN104333884A (en) * | 2014-10-31 | 2015-02-04 | 南京邮电大学 | IPv6 based wireless sensor network security routing method |
| CN105516381A (en) * | 2014-10-14 | 2016-04-20 | 中国电信股份有限公司 | Method, device and system for generating IPv6 address |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101834891A (en) * | 2010-04-08 | 2010-09-15 | 王晓喃 | IPv6 (Internet Protocol version 6)-based internet of things system |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834891A (en) * | 2010-04-08 | 2010-09-15 | 王晓喃 | IPv6 (Internet Protocol version 6)-based internet of things system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648116A (en) * | 2013-11-13 | 2014-03-19 | 上海交通大学 | Low-power-consumption wireless-sensor-network optimization method based on program analysis |
| CN103648116B (en) * | 2013-11-13 | 2016-08-17 | 上海交通大学 | The power consumption wireless sensor network optimized approach analyzed based on program |
| CN105516381A (en) * | 2014-10-14 | 2016-04-20 | 中国电信股份有限公司 | Method, device and system for generating IPv6 address |
| CN104333884A (en) * | 2014-10-31 | 2015-02-04 | 南京邮电大学 | IPv6 based wireless sensor network security routing method |
| CN104333884B (en) * | 2014-10-31 | 2018-04-06 | 南京邮电大学 | Wireless sensor network security method for routing based on IPv6 |
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Application publication date: 20120926 |