CN104092786A - Method for addressing heterogeneous equipment in ubiquitous network - Google Patents
Method for addressing heterogeneous equipment in ubiquitous network Download PDFInfo
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- CN104092786A CN104092786A CN201410257205.8A CN201410257205A CN104092786A CN 104092786 A CN104092786 A CN 104092786A CN 201410257205 A CN201410257205 A CN 201410257205A CN 104092786 A CN104092786 A CN 104092786A
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Abstract
The invention discloses a method for addressing heterogeneous equipment in a ubiquitous network. The method comprises the following steps: when equipment is access to a network, obtaining a gateway address and an intra-network address of the equipment as a complete address of the equipment; the equipment sending capability information of the equipment to a gateway; and after the gateway receives the capability information of the equipment, integrating the information of the equipment, and sending the information to a center server. By using the method, unified addressing can be carried out on the heterogeneous equipment in the ubiquitous network, capability management of the heterogeneous equipment in the ubiquitous network is realized, the method is well adaptive to the isomerism of the equipment in the ubiquitous network, the capabilities of the heterogeneous equipment can be managed, and the method has the advantages of high efficiency and extensibility.
Description
Technical field
the invention belongs to Ubiquitous Network communication technical field, be specifically related to isomery equipment addressing method in a kind of ubiquitous network.
Background technology
(Bootstrap Protocol) is a centralized address assignment agreement based on IP/UDP agreement.BOOTP agreement can allow client obtain the IP address of dynamic assignment from a central server, does not need each user to remove to arrange static ip address.BOOTP agreement is used widely in IP/UDP network, but will face many challenges when this mechanism is applied to ubiquitous network.One, BOOTP agreement can not adapt to the isomerism of ubiquitous network equipment.In Ubiquitous Network, there are various isomery equipment (as Fig. 2), as sensor node, mobile phone and RFID label etc., these equipment cannot obtain device address by identical gateway.Its two, BOOTP agreement cannot manage the ability of isomery equipment.The kind of ubiquitous network equipment is different, and ability is different, need in addressing, can manage the ability of isomery equipment.
be a kind of widely used agreement based on sensor network, its address allocation policy and address format just attempt distributing a unique identification to the each node in network.Because this agreement is aimed at the addressing scheme of sensor node, cannot be applicable to other equipment in ubiquitous network.
for this reason, need to provide isomery equipment in a kind of ubiquitous network to address the method for managing with capacity of equipment, solve the problem existing in existing protocol.
Summary of the invention
the object of the invention is to provide isomery equipment addressing method in a kind of ubiquitous network, solved in prior art, can not adapt to ubiquitous equipment isomerism and cannot be to problems such as isomery equipment manage.
for achieving the above object, technical scheme of the present invention is: isomery equipment addressing method in a kind of ubiquitous network, comprises the steps:
when equipment access network, obtain the gateway address of equipment and the on-net location full address as equipment;
equipment is to the ability information of gateway transmitting apparatus;
gateway is being received after the ability information of equipment, integrates the information of this equipment, and information is sent to central server.
further, described ability information comprises the capability class with the equipment of binary representation.
further, described binary figure place is 20.
further, described capability class at least comprises GPS and sensor type.
further, the information that described gateway is integrated comprises device type, capacity of equipment, gateway address and on-net location.
further, 4 binary representations for described device type.
the method of describing in the present invention can be good at adapting to the isomerism of equipment in ubiquitous network, and the ability of isomery equipment is managed, and has high efficiency, extendible feature.
with respect to scheme of the prior art, advantage of the present invention is:
1. the method for describing in the present invention can be carried out unified addressing to the various isomery equipment in ubiquitous network, makes the management of equipment convenient.
2. the method has been considered the management for various device ability, provides unified networking standard agreement for distinct device adds Ubiquitous Network.
3. the addressing scheme designing in the present invention can reduce the obstacle of isomery communication between devices, realizes the communication between the whole network various device.
Brief description of the drawings
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the flow chart of isomery equipment addressing method in a kind of ubiquitous network of the present invention;
fig. 2 is the ubiquitous network application architecture figure of isomery equipment addressing method in a kind of ubiquitous network of the present invention;
fig. 3 is the message structure block diagram of isomery equipment addressing method in a kind of ubiquitous network of the present invention.
Embodiment
for making object, technical scheme and the advantage of invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, invention is further described.Should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present invention.
step S11: when equipment access network, obtain the gateway address of equipment and the on-net location full address as equipment;
for the gateway (router, GPRS gateway, RFID reader etc.) of various kinds of equipment, be connected in the Internet by Internent, and obtain corresponding IP address (32), as the gateway address of the isomery equipment of each access Ubiquitous Network.
in the time of each ubiquitous equipment access network, obtain its on-net location (32) from corresponding gateway according to protocol type corresponding to this equipment.Taking mobile phone and sensor node as example, mobile phone is by the WiFi signal access network of router, and obtains the IP address of 32 as its on-net location; Sensor node obtains 32 bit address marks by gateway node place, as its on-net location.The full address of each equipment comprises its gateway address and on-net location.
step S12: equipment is to the ability information of gateway transmitting apparatus;
after new equipment access network, send a piece of news to gateway, for characterizing the ability of this equipment, have which transducer.The message content length of this message is 20 (can according to practical application adjustment), and each is for characterizing a kind of ability, and 1 represents to have this ability, and 0 represents not have this ability.The capability class of each representative is not made unified definition at this, can be configured according to actual ubiquitous network application.
step S13: gateway is being received after the ability information of equipment, integrates the information of this equipment, and information is sent to central server.
gateway is being received after the ability information of each equipment, by integrating the information of this equipment, sends to central server.The structure of this message as shown in Figure 3, comprises device type (4), capacity of equipment (20), gateway address (32) and on-net location (32).Central server adds the information such as address, device type and the capacity of equipment (consistent with capacity of equipment message definition) of this equipment after receiving this message in database according to agreement, the design of this database table is as shown in table 1 below.
table 1.
when an equipment in ubiquitous network will be to another equipment sending message, source address and destination address are the full address information that comprises gateway address and on-net location.In the time that the gateway address of source address and destination address is identical, represent that these two equipment are in same Intranet, only need to communicate according to the communication protocol of this kind equipment; In the time that the gateway address of source address and destination address is different, represent that these two equipment may be isomery equipment, need first send a message to central server, central server sends to message content the gateway device corresponding to gateway address of destination address, is then sending a message to destination address according to the communication protocol of object equipment.
embodiment:
describe with specific embodiment below, the Ubiquitous Network of the present embodiment comprises polytype isomery equipment, as shown in Figure 2, wherein the gateway device of WiFi network uses router, and the gateway device of sensor network is a Crossbow MIB520 node that connects PC.
gateway ip address
router is connected in the Internet by Internent, and obtains the IP address 219.219.216.179 of 32, and this address hexadecimal representation is 0xdbdbd8b3.
node connects PC by USB mouth, and gateway address using the IP address 219.219.216.181 of PC as this network, and this address hexadecimal representation is 0xdbdbd8b5.
the addressing of isomery equipment
android mobile phone is connected in ubiquitous network by the WiFi network of router, and gets the on-net location 192.168.1.101 of oneself, and this address hexadecimal representation is 0xc0a80165; Flat board is connected in ubiquitous network by the WiFi network of router, and gets the on-net location 192.168.1.103 of oneself, and this address hexadecimal representation is 0xc0a80167.
the Crossbow node 1 that comprises temperature and light sensor is connected into ubiquitous network by MIB520 gateway, obtains 32 bit address 0xffffff01; The Crossbow node 2 that comprises temperature, light and acceleration transducer is connected into ubiquitous network by MIB520 gateway, obtains 32 bit address 0xffffff02.
in summary, each isomery equipment addressing is as shown in table 2.
table 2
capacity of equipment notice
in this embodiment, our message of define equipment informing capability message is as shown in table 3.
table 3.
on Android mobile phone and flat board, all there are GPS, direction sensor, range sensor, gyroscope, light sensor, electronic compass, gravity sensor, magnetometric sensor, 3D acceleration transducer and rotating vector transducer, therefore the message coding of this message should be 11111111110000000000, hexadecimal representation is 0xffc00.
sensor node 1 has temperature sensor and light sensor, therefore the message coding of this message should be 00001000001000000000, hexadecimal representation is 0x08200; Sensor node 1 has temperature sensor, light sensor and 2D acceleration transducer, therefore the message coding of this message should be 00001000001100000000, hexadecimal representation is 0x08300.
new equipment notice
in this embodiment, our mark of define equipment type is as shown in table 4.
table 4.
according to upper table, each equipment is adding after ubiquitous network, and the message that corresponding gateway sends to server is as shown in table 5.
table 5.
after 4 steps in embodiment, server is received the information of each equipment, and these information are deposited in device databases, and final device databases table is as shown in table 6.
table 6.
in the present invention, experiment sensor node is the Iris series node of producing based on CrossBow company, the MIB520 plate that gateway board adopts CrossBow company to produce, and mobile phone and flat board are all Android systems.
in sum, the address distribution method of describing in the present invention can be good at adapting to the isomerism of equipment in ubiquitous network, and the ability of isomery equipment is managed, and has high efficiency, extendible feature.The present invention has substantive technical characterstic and significant technological progress, and its application prospect is boundless.
above-mentioned example is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence does according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. an isomery equipment addressing method in ubiquitous network, is characterized in that, comprises the steps:
When equipment access network, obtain the gateway address of equipment and the on-net location full address as equipment;
Equipment is to the ability information of gateway transmitting apparatus;
Gateway is being received after the ability information of equipment, integrates the information of this equipment, and information is sent to central server.
2. isomery equipment addressing method in ubiquitous network according to claim 1, is characterized in that, described ability information comprises the capability class with the equipment of binary representation.
3. isomery equipment addressing method in ubiquitous network according to claim 2, is characterized in that, described capability class at least comprises GPS and sensor type.
4. isomery equipment addressing method in ubiquitous network according to claim 3, it is characterized in that, described sensor type at least comprises direction sensor, range sensor, gyroscope, light sensor, electronic compass, gravity sensor, magnetometric sensor, 3D acceleration transducer, rotating vector transducer, temperature sensor, 2D acceleration transducer.
5. isomery equipment addressing method in ubiquitous network according to claim 2, is characterized in that, described binary figure place is 20, and wherein each unified definition represents a kind of capability class.
6. isomery equipment addressing method in ubiquitous network according to claim 1, is characterized in that, the information that described gateway is integrated comprises device type, capacity of equipment, gateway address and on-net location.
7. isomery equipment addressing method in ubiquitous network according to claim 6, is characterized in that, 4 binary representations for described device type.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021253481A1 (en) * | 2020-06-15 | 2021-12-23 | 北京交通大学 | Unified address allocation method and device for industrial heterogeneous network equipment |
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