CN100542167C - Wireless route implementing method between the master-slave equipment group based on the IGRS agreement - Google Patents
Wireless route implementing method between the master-slave equipment group based on the IGRS agreement Download PDFInfo
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- CN100542167C CN100542167C CNB2004100757802A CN200410075780A CN100542167C CN 100542167 C CN100542167 C CN 100542167C CN B2004100757802 A CNB2004100757802 A CN B2004100757802A CN 200410075780 A CN200410075780 A CN 200410075780A CN 100542167 C CN100542167 C CN 100542167C
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Abstract
Wireless route implementing method between the master-slave equipment group based on the IGRS agreement of the present invention, routing mechanism between a kind of master-slave equipment group is provided, the participation that need not the hardware routing device realizes the transfer of data and the resource-sharing of any InterWorking Equipment, even transmitting and receiving device is not in same master-slave equipment group.Wireless route implementing method between the described master-slave equipment group based on the IGRS agreement is can set up communication conduit between two equipment.Based on described wireless route implementing method, send in the process of data message to target device at source device, the determined interconnecting device of selection optimal path must be the equipment in the master-slave equipment group.Simultaneously, each equipment based on the IGRS agreement all disposes " equipment route information table " and " target device parameter information table ".
Description
Technical field
The present invention relates to a kind of based on IGRS agreement (Intellectual Grouping and ResourceSharing, the intelligence interconnection Resource Sharing Protocol) wireless route implementing method realizes the transfer of data between inner all the master-slave equipment groups of wireless network specifically and need not the routing device of configure dedicated.
Background technology
Along with the development of internet and mechanics of communication, realize that the radio network technique of the mutual intelligence interconnection of network-internal apparatus, resource-sharing and cooperation with service has become a kind of trend.Particularly along with the use of 802.11 agreements, various Wireless Communication Equipment can be found automatically in certain area coverage, and can obtain the other side's resource according to operating right separately.Data transmission distance between prior wireless network is limited, this is because can be because of directly communication of distance based on the Wireless Communication Equipment of 802.11 agreements, general solution is that a plurality of wireless transfers and routing device are set in network, thereby network equipment cost is higher, also needs regularly to safeguard.
The IGRS agreement, it is Intellectual Grouping and Resource Sharing intelligence interconnection Resource Sharing Protocol, be to obtain primarily used network communication protocol standard at present, the network equipment of this agreement is installed can be found and resource-sharing automatically, but precondition is to realize the connection of physical layer between various network device, and existing I GRS agreement is not supported the networking routing mechanism yet.Can realize the administrative mechanism of equipment group based on the wireless network of I GRS agreement, data communication between a plurality of equipment groups and route still need other hardware routing devices to realize.
In actual applications, particularly do not have enough routers and realize being connected of all wireless devices with server in the network system of temporarily building, this has just greatly limited data communication and Route Selection between the equipment group.Therefore in existing wireless network, outside coverage, carry out the immediate data transmission and be still one problem to be solved is arranged.
Summary of the invention
Wireless route implementing method between the master-slave equipment group based on the IGRS agreement of the present invention, its purpose is to address the above problem and is not enough and routing mechanism between a kind of master-slave equipment group is provided, the participation that need not the hardware routing device realizes the transfer of data and the resource-sharing of any InterWorking Equipment, even transmitting and receiving device is not in same master-slave equipment group.
Wireless route implementing method between the described master-slave equipment group based on the IGRS agreement is can set up communication conduit between two equipment.
Based on described wireless route implementing method, send in the process of data message to target device at source device, the determined interconnecting device of selection optimal path must be main equipment rather than the slave unit in the master-slave equipment group.
Simultaneously, each equipment based on the IGRS agreement all disposes " equipment route information table " and " target device parameter information table ".Wherein,
The format content of described equipment route information table is:
Target device: list all in the network and pass through the equipment code name that routing function can arrive;
Interconnecting device: source device sends information to target device, realizes by a plurality of routing device switchings.In routed path, with the device definition of first communication of source device be interconnecting device.In sending information process, determine interconnecting device by selecting optimal path.Interconnecting device is the main equipment in the master-slave equipment group, and other equipment in the routing procedure also must be main equipments simultaneously;
Routed path has defined all paths from the source device to the target device.The path can have one or more, and by routed path, source device can select optimum path to carry out network communication;
Routing times, the routing times that from the source device to the target device, need transfer.1 expression can directly arrive.Repeatedly expression must arrive by routing device.
Described target device parameter information tableau format content is:
The equipment code name, DeviceID;
Device name: DeviceName;
Equipment is described the URL of information in detail;
The type of equipment: DeviceType;
The version number of the IGRS version that equipment is followed;
The port numbers of IP address of equipment and communication;
Equipment restarts sign: equipment restarts and adds up once;
The number of the master-slave equipment group under the equipment: if be 0, then explanation is not in the equipment group;
The ID tabulation of the equipment group at equipment place;
Whether equipment is main equipment: 1: main equipment, 0: slave unit.
Wireless route implementing method between the described master-slave equipment group based on the IGRS agreement, its concrete method flow is:
The first step, the selection of target device.
According to target device parameter information table, obtain the IP address and the device description of target device, for the structure of route data packets provides information.
In second step, construct corresponding route data packets.
The data of concrete transmission are kept in the route data packets and send.
The create-rule of route data packets is, when the equipment utilization routing mechanism sends information, wireless network adopts ICP/IP protocol to realize the Network Transmission of data, and route data packets is the text of TCP bag, and the target ip address in TCP and the IP bag is set to the interconnecting device IP address of source device.
The structure of described route data packets is,
Packet header, the sign of route data packets after routing device obtains packet, is route data packets by judging that packet header is promptly known;
Source device IP address, the IP address of the equipment of transmission data;
Target device IP address finally receives the IP address of equipment of data;
The data body matter;
Hop count, the hop count of route data packets;
Check digit is occupied 2 bytes, and its computational methods are source device IP address+target device IP address+data text+hop counts, and check digit is hexadecimal, fills it up with then and overflows;
The bag tail, the sign that packet finishes.
In the 3rd step, determine best routed path.
According to the target device code name, the routing table of query source equipment.
Equipment has multiple to the route approach of another equipment, the selection principle of optimal path is,
The preferential minimum approach of routing times of selecting;
If routing times is identical, then detect the wireless network bandwidth of the routing device that passes through, the lowest-bandwidth of the routing device in two paths of contrast, and preferentially choose a high road warp of bandwidth.
If also identical, then by the transmitting apparatus picked at random.
In the 4th step, determine final forwarding unit.
Send the forwarding of informational needs routing device, source device sends to packet on the interconnecting device earlier, and source device is not stipulated next interconnecting device, but determines next interconnecting device by the interconnecting device of receiving packet according to following rule.
The selection rule of interconnecting device is that for the connection of direct arrival, target device is exactly an interconnecting device;
If an interconnecting device is only arranged, then directly adopt;
If a plurality of interconnecting devicies are arranged, this need select best routing procedure according to rule, and the interconnecting device of best routing procedure is optimum interconnecting device.
Whether can set up the pipeline of user's request between monitoring source device and the forwarding unit, if could not would select other interconnecting device.
In the 5th step, data are forwarded.
Between two equipment, set up communication conduit based on the IGRS agreement.
Source device is determined optimal path and interconnecting device by " equipment route information table ", and packet is sent to interconnecting device;
Interconnecting device resolution data bag obtains hop count and destination device address, after the hop count position adds one, re-constructs packet;
" the equipment route information table " of this equipment of inquiry obtains the optimal path and the next interconnecting device that arrive target device, resends this packet;
By that analogy, up to arriving target device;
When hop count bit data during greater than certain value, prove that these data are in the endless loop state in Wi-Fi, this moment, routing device abandoned this packet, and sent error message to source device.
In the 6th step, target device receives data.
Target device judges whether the IP address in the route data packets is the IP address of this equipment after receiving route data packets; If then stop forwarding and deal with data; If not, then continue to transmit.
The 7th step, target device feedback corresponding information.
After target device is received information, can beam back corresponding feedback information, prove correctly to have received route data packets.
The flow process of target device feedback data is identical with above-mentioned flow process, receives corresponding feedback data information until source device.
Wireless route implementing method between the described master-slave equipment group based on the IGRS agreement, for the equipment of newly reaching the standard grade that adds for the first time wireless network, and added the equipment of reaching the standard grade again after the rolling off the production line of network, take regularly to upgrade the method for two information tables and online query.Comprising,
1, subscribes to the route list of main equipment.
New equipment has judged whether that main equipment returns.If there is main equipment to return, then send the order of subscribing to the route list in this main equipment to this main equipment, comprise all slave units in this equipment group, all devices in other master-slave equipment groups, independent equipment;
After main equipment is received subscribe command, at first return the information of all devices in oneself the route list, then subscribe command is put into the subscription list of this equipment, information in tabulation changes, then believe equipment dispatch order message, this message content comprises the up-to-date information of the equipment that changes in the tabulation;
This new equipment upgrades " equipment route information table " and the information in " target device parameter information table " of oneself according to the information of returning.The IP address of record Returning equipment in routing table, main equipment is set to conversion equipment, and the route approach is to arrive routing times=original routing times+1 indirectly; This new equipment is monitored the notification message of main equipment simultaneously, if receive then upgrade route list.
2, subscribe to the last offline information of all devices.
This new equipment is in all route lists, and routing times is that 1 equipment sends and subscribes to the message that rolls off the production line;
Other equipment are if roll off the production line or reach the standard grade once more after after a while, and notification message all can roll off the production line on this new equipment sends;
This new equipment upgrades the route list of oneself after obtaining notification message.If main equipment sends the notice that rolls off the production line, then not only delete the routing iinformation of this main equipment, also will delete the routing iinformation of main equipment as other equipment of interconnecting device.
3, send online query messages.
When the situation of unexpected power down takes place in an equipment, then the notification message that rolls off the production line can not be sent to other equipment, the routing table in other equipment also just can not be upgraded, so online query is very necessary.
This new equipment is according to the information in the routing table, periodically at regular intervals to all devices transmitting apparatus online query message; If routing times is 1, then directly send; If greater than 1, then send by interconnecting device;
Other equipment feed back online message after obtaining query messages;
This new equipment sends in the certain hour of online query messages still not feedback, then sends once more, and number of times are no more than 3 times at most.If still do not feed back, prove that then this equipment goes offline, then delete this list of devices information;
If itself promptly is main equipment for this new equipment, in running,, then judge whether to allow this equipment to add if there are other equipment to add this equipment group; If allow, then upgrade the information in the route list.
In sum, wireless route implementing advantage that method has is between the master-slave equipment group based on the IGRS agreement:
1, can be implemented in transfer of data and the resource-sharing between the master-slave equipment group arbitrarily in the wireless network, the distance maximization of transfer of data.
2, can carry out direct communication between the wireless network any apparatus and need not to be provided with a plurality of wireless transfers and routing device, also not need regularly to safeguard.
Description of drawings
The data packet format that is based on route implementing method transmission of the present invention shown in Figure 1;
Shown in Figure 2 is, and the device initialize of newly reaching the standard grade generates the schematic flow sheet of IP address.
Embodiment
Embodiment 1, in conjunction with Fig. 1 and Fig. 2, use wireless route implementing method between the described master-slave equipment group based on the IGRS agreement, for an equipment of newly reaching the standard grade, the new equipment that promptly add as yet, does not also belong to any master-slave equipment group at first is to generate and renewal " equipment route information table " and " target device parameter information table " after entering network.
The flow process of described generation and renewal " equipment route information table " and " target device parameter information table " is,
The first step is determined the I P address of this equipment of newly reaching the standard grade, as shown in Figure 2,
The hardware detection that powers on, and detect and adopt wired still wireless connections, and be configured (701);
Carry out system initialization (702):
The initialization of IGRS protocol stack (703): the facility registration of protocol stack;
According to the DHCP agreement, to Dynamic Host Configuration Protocol server application IP address (704), utilize the gatekeeper as Dynamic Host Configuration Protocol server in this phone network system, distribution sends the IP address to the gatekeeper surely according to networking rule;
Carry out automatic network registration and information subscribing according to the IGRS agreement;
Second step, the equipment route information table of definite equipment of newly reaching the standard grade.
This moment, " the equipment route information table " and " target device parameter information table " of this equipment of newly reaching the standard grade was sky.
In the 3rd step, this equipment carries out the multicast advertisement.
According to the IGRS agreement, issue the information of oneself with form all devices in network of multicast advertisement.
Other equipment upgrade the routing table of oneself after obtaining broadcast message, write down the IP address of this equipment, and new equipment is set to conversion equipment, and the route approach is directly to arrive, and routing times is 1.
The 4th step, the information of all devices in the requester network.
This equipment of newly reaching the standard grade sends querying command information with multicast mode in network, obtaining the main equipment information in all master-slave equipment groups, and the sign of main equipment subsequently;
Other main equipments feed back " the target device parameter information table " of controlling oneself after receiving querying command information;
" the target device parameter information table " that this equipment basis of newly reaching the standard grade is returned upgrades original blank
Corresponding information in " equipment route information table " and " target device parameter information table ".
Wherein, record has returned the I P address of main equipment in " equipment route information table ", simultaneously this newly the equipment of reaching the standard grade be set to conversion equipment, the route approach is directly to arrive, routing times is 1;
In the 5th step, lastest imformation table and online query detect.
Subscribe to the route list of main equipment;
Subscribe to the last offline information of all devices;
Send online query messages.
Wireless route implementing method between the described master-slave equipment group based on the IGRS agreement, its concrete method flow is:
Two data transfer between devices are to set up communication conduit;
The first step, the selection of target device.
According to target device parameter information table, obtain the IP address and the device description of target device, for the structure of route data packets provides information.
In second step, construct corresponding route data packets.
The data of concrete transmission are kept in the route data packets and send.
The create-rule of route data packets is, when the equipment utilization routing mechanism sends information, wireless network adopts ICP/IP protocol to realize the Network Transmission of data, and route data packets is the text of TCP bag, and the target ip address in TCP and the IP bag is set to the interconnecting device IP address of source device.
As shown in Figure 1, the structure of described route data packets is,
Packet header, the sign of route data packets after routing device obtains packet, is that by judging that packet header is promptly known route data packets, its sign are FB FE;
Source device IP address, the IP address of the equipment of transmission data;
Target device IP address finally receives the IP address of equipment of data;
The data body matter;
Hop count, the hop count of route data packets;
Check digit is occupied 2 bytes, and its computational methods are source device IP address+target device IP address+data text+hop counts, and check digit is hexadecimal, fills it up with then and overflows;
The bag tail, the sign that packet finishes, its sign is FC.
In the 3rd step, determine best routed path.
According to the target device code name, the routing table of query source equipment.
Equipment has multiple to the route approach of another equipment, the selection principle of optimal path is,
The preferential minimum approach of routing times of selecting;
If routing times is identical, then detect the wireless network bandwidth of the routing device that passes through, the lowest-bandwidth of the routing device in two paths of contrast, and preferentially choose a high road warp of bandwidth.
If also identical, then by the transmitting apparatus picked at random.
In the 4th step, determine final forwarding unit.
Send the forwarding of informational needs routing device, source device sends to packet on the interconnecting device earlier, and source device is not stipulated next interconnecting device, but determines next interconnecting device by the interconnecting device of receiving packet according to following rule.
The selection rule of interconnecting device is that for the connection of direct arrival, target device is exactly an interconnecting device;
If an interconnecting device is only arranged, then directly adopt;
If a plurality of interconnecting devicies are arranged, this need select best routing procedure according to rule, and the interconnecting device of best routing procedure is optimum interconnecting device.
Whether can set up the pipeline of user's request between monitoring source device and the forwarding unit, if could not would select other interconnecting device.
In the 5th step, data are forwarded.
Between two equipment, set up communication conduit based on the IGRS agreement.
Source device is determined optimal path and interconnecting device by " equipment route information table ", and packet is sent to interconnecting device;
Interconnecting device resolution data bag obtains hop count and destination device address, after the hop count position adds one, re-constructs packet;
" the equipment route information table " of this equipment of inquiry obtains the optimal path and the next interconnecting device that arrive target device, resends this packet;
By that analogy, up to arriving target device;
When the hop count bit data greater than 54 the time, prove that these data are in the endless loop state in Wi-Fi, this moment, routing device abandoned this packet, and sent error message to source device.
In the 6th step, target device receives data.
Target device judges whether the IP address in the route data packets is the IP address of this equipment after receiving route data packets; If then stop forwarding and deal with data; If not, then continue to transmit.
The 7th step, target device feedback corresponding information.
After target device is received information, can beam back corresponding feedback information, prove correctly to have received route data packets.
The flow process of target device feedback data is identical with above-mentioned flow process, receives corresponding feedback data information until source device.
It below promptly is the substance based on wireless route implementing method between the master-slave equipment group of IGRS agreement of the present invention.
Claims (3)
1, wireless route implementing method between a kind of master-slave equipment group based on the IGRS agreement, it is characterized in that: based on described wireless route implementing method, between two equipment that can set up communication conduit, the interconnecting device in the determined optimal path is the main equipment in the master-slave equipment group; The flow process of described wireless route implementing method is,
The first step, the selection of target device;
According to target device parameter information table, obtain the IP address and the device description of target device, for the structure of route data packets provides information;
In second step, construct corresponding route data packets;
The create-rule of route data packets is, when the equipment utilization routing mechanism sends information, wireless network adopts ICP/IP protocol to realize the Network Transmission of data, and route data packets is the text of TCP bag, and the target ip address in TCP and the IP bag is set to the interconnecting device IP address of source device;
In the 3rd step, determine best routed path;
According to the target device code name, the routing table of query source equipment;
In the 4th step, determine final forwarding unit;
Send the forwarding of informational needs routing device, source device sends to packet on the interconnecting device earlier, and source device is not stipulated next interconnecting device, but determines next interconnecting device by the interconnecting device of receiving packet according to following rule:
For the connection of direct arrival, target device is exactly an interconnecting device;
If an interconnecting device is only arranged, then directly adopt;
If a plurality of interconnecting devicies are arranged, this need select best routing procedure according to rule, and the interconnecting device of best routing procedure is optimum interconnecting device;
Whether can set up the pipeline of user's request between monitoring source device and the forwarding unit, if could not would select other interconnecting device;
In the 5th step, data are forwarded;
Between two equipment, set up communication conduit based on the IGRS agreement; Source device is determined optimal path and interconnecting device by the equipment route information table, and packet is sent to interconnecting device; Interconnecting device resolution data bag obtains hop count and destination device address, after the hop count position adds one, re-constructs packet; " the equipment route information table " of this equipment of inquiry obtains the optimal path and the next interconnecting device that arrive target device, resends this packet;
By that analogy, up to arriving target device;
In the 6th step, target device receives data;
Target device judges whether the IP address in the route data packets is the IP address of this equipment after receiving route data packets; If then stop forwarding and deal with data; If not, then continue to transmit;
The 7th step, target device feedback corresponding information;
After target device is received information, can beam back corresponding feedback information, prove correctly to have received route data packets.
2, wireless route implementing method between the master-slave equipment group based on the IGRS agreement according to claim 1, it is characterized in that: in the process of described definite best routed path, the selection principle of determining optimal path is preferentially to select a minimum approach of routing times;
If routing times is identical, then detect the wireless network bandwidth of the routing device that passes through, the lowest-bandwidth of the routing device in two paths of contrast, and preferentially choose a high road warp of bandwidth;
If also identical, then by the transmitting apparatus picked at random.
3, wireless route implementing method between the master-slave equipment group based on the IGRS agreement according to claim 1 and 2, it is characterized in that: the equipment route information table of each IGRS equipment and target device parameter information table regularly upgrade, and realize online query;
New equipment is according to the information in the routing table, periodically at regular intervals to all devices transmitting apparatus online query message; If routing times is 1, then directly send; If greater than 1, then send by interconnecting device;
Other equipment feed back online message after obtaining query messages;
This new equipment sends in the certain hour of online query messages still not feedback, then sends once more, and number of times are no more than 3 times at most; If still do not feed back, prove that then this equipment goes offline, then delete this list of devices information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100757802A CN100542167C (en) | 2004-12-29 | 2004-12-29 | Wireless route implementing method between the master-slave equipment group based on the IGRS agreement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100757802A CN100542167C (en) | 2004-12-29 | 2004-12-29 | Wireless route implementing method between the master-slave equipment group based on the IGRS agreement |
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| CN1798132A CN1798132A (en) | 2006-07-05 |
| CN100542167C true CN100542167C (en) | 2009-09-16 |
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| CN102036334A (en) * | 2009-09-30 | 2011-04-27 | 北京中能普瑞技术有限公司 | Routing control method of radio sensor network for mine |
| CN113364838B (en) * | 2021-05-26 | 2022-08-26 | 中建三局智能技术有限公司 | Equipment ad hoc network method and system based on MQTT |
| CN114866607A (en) * | 2022-04-28 | 2022-08-05 | 中建三局智能技术有限公司 | Networking transmission method and device based on voice coding technology |
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