CN102123083A - Intelligent application network - Google Patents
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Abstract
The invention discloses an intelligent application network, which is of a multi-stage structure. The network comprises at least one application server located at the uppermost stage and at least one intelligent terminal node located at the lowermost stage, and also comprises a plurality of routing nodes located at the intermediate stages, wherein the communication connections are sequentially established between the application server and the routing nodes, between the routing nodes, and between the routing nodes and the intelligent terminal node; the network delivers in the format of frame messages determined through the negotiation between nodes; data items of each frame message comprise a message identifier, an application target identifier and a node address; each intelligent terminal node corresponds to one anode address; and the delivery direction of the frame messages can be judged according to message identifiers in the frame messages. The intelligent application network has the advantages of simple structure, uniform format of communication messages, convenience for system expansion, and convenience for application in a complex large-scale network.
Description
Technical field
The present invention relates to computer and network communications technology field, relate in particular to a kind of access server that is used for, as the intelligent use network in the phone-payment business.
Background technology
The phone-payment business is based on fixed telephone network, provides self-help payment, self-service finance etc. to pay service by mails by the phone-payment terminal to the user.The phone-payment terminal is a kind of new terminals that grows up on the legacy telephony equipment basis, only needs a fixation phone line, at installing terminal and after activating the service, stays indoors and can carry out self-help payment.Phone-payment terminal (POS) is a kind of with the terminal of frequency shift keying (FSK) as communication modes, generally be used to swipe the card, functions such as self-service account transfer, the telephone POS terminal is by the bank internal network of public telephone network (PSTN) dialing to the server place, bank's internal network carries out communication by telephone wire and telephone POS with the FSK mode, in general, following basic function is arranged: 1) connect, the dialing of telephone POS terminal is connected to bank's internal network; 2) send data, telephone POS sends the fsk data frame to bank's internal network; 3) receive data, telephone POS receives the fsk data frame that bank network sends over; 4) disconnect connection, the telephone POS disconnection is connected with bank network.
In the existing receipts single system, generally adopt TPDU+ISO 8583 financial messages to realize POS to net control device, net control device is to transfer of data between the front end processor and communication.Wherein, TPDU (Transport Protocol Data Unit, TPDU), by three the information of totally five bytes form, concrete format content sees also table 1.
The particular content of table 1 message format
The net control device of receiving in the single system sends to different bank pre-machines according to TPDU with transaction data, and net control device returns to POS according to TPDU after receiving back message using from front end processor.Therefore message transmissions is up or down carried out in strict accordance with TPDU.Though this mode can satisfy existing network application requirement, but because it has request that the mode of unique correspondence one to one of response is arranged again earlier, limited the development of a lot of interactive application, wait the transaction that does not have one-to-one relationship such as the preposition transaction of initiation earlier, therefore, can not be applicable to the setting and the operation of complexity, catenet, be unfavorable for system extension, be unfavorable for enlarging network size.
Summary of the invention
At above-mentioned defective of the prior art, the present invention proposes a kind of intelligent use network, the transaction transmission of this intelligent use network must not rely on one-to-one relationship, but according to function the intelligent use network is divided into three functional nodes: application server, routing node and intelligent terminal node.In application, can increase the quantity of routing node, thereby enlarge the scale of network according to the needs of network configuration.Simultaneously, the mode of employing access node address is carried out message transmissions in this intelligent use network, thereby makes the transmission between a plurality of nodes separate, and does not produce to influence each other, and it is good to form fail safe, and transmission path is many, effective intelligent use network.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of intelligent use network, this network is a multilevel hierarchy, comprising: be positioned at least one application server of higher level and be positioned at least one intelligent terminal node of subordinate, also comprise several routing nodes that are positioned at intergrade; Setting up communication successively between described application server and routing node, routing node and routing node, routing node and the intelligent terminal node is connected, described network transmits with the frame message format after negotiation is determined between the node, and the data item of every frame message comprises: message identification, application purpose sign and node address; The corresponding node address of each intelligent terminal node, but the direction of transmitting according to the message identification judgment frame message in the frame message.
Further, described frame message is sent by application server and is passed to routing node, and routing node is passed to corresponding intelligent terminal node according to the routing table of itself and the node address of message downwards with message.
Further, described frame message is sent by the intelligent terminal node and is passed to routing node, and routing node upwards is sent to the application corresponding server according to message identification in the frame message and application purpose sign with message.
As preferably, described application server connects by TCP/IP network and routing node.
Further, the data item of described every frame message also comprises: channel number, system's hyphen, test serial number, data type, message attribute length, message attribute data, message data length, message data content, message test value.
As preferably, the multilevel hierarchy of described network is a two-stage, comprising: be positioned at least one application server of higher level and be positioned at least one intelligent terminal node of subordinate.
Further, described frame message is sent by application server and directly is passed to the intelligent terminal node downwards.
Further, described frame message is sent by the intelligent terminal node and directly upwards is passed to application server.
Compared with prior art, the present invention connects, goes forward side by side under the situation of method of row communication not changing existing telephone POS terminal and server, adopt a kind of intelligent use network, the net control device second line of a couplet card that the telephone POS terminal is dialled in is as the intelligent terminal node, other first line of a couplet cards of net control device and second line of a couplet card are as routing node, with bank pre-machine as application server, thereby net control device and bank pre-machine are become the concrete application of an intelligent use network.Adopt unified message format to carry out communication between this application server (bank pre-machine) and the routing node, standardized message format has not only avoided revising the trouble of application server, can also reduce and can't discern and probability of errors.In intelligent use network of the present invention, application server only need be communicated with a routing node with certain communication modes, all intelligent terminal nodes can both carry out communication by other middle routing node and this application server, must not consider the problem of the communication interface of low layer.Intelligent use net structure of the present invention is simple, the communication packet uniform format, and the system of being convenient to expands, and is convenient to use in complexity, large scale network.
In order to understand the present invention more clearly, set forth the specific embodiment of the present invention below with reference to description of drawings.
Description of drawings
Fig. 1 is the basic block diagram of intelligent use network of the present invention.
Embodiment
Below in conjunction with accompanying drawing concrete structure of the present invention is further described.
See also Fig. 1, with the structure chart of intelligent use network application of the present invention when telephone POS terminal and the server communication.This intelligent use network comprises two application server A1, A2 and two net control device N1, N2.Net control device N1 comprises first line of a couplet card node U1, second line of a couplet card node D1, second line of a couplet card node D2, and net control device 2 comprises first line of a couplet card node U2, second line of a couplet card node D3, second line of a couplet card node D4.The function of corresponding intelligent use network is divided, and following corresponding relation is arranged:
(1) application server: be the terminal point that the frame message upwards transmits, and the particular content of frame message is made an explanation and does corresponding operation.Application server A1, A2 are the application server of intelligent use network, also are the front end processors of receiving in the single system.
(2) routing node: the first line of a couplet card node U1 of net control device N1, second line of a couplet card node D1, second line of a couplet card node D2, the first line of a couplet card node U2 of net control device N2 is the routing node of intelligent use network, is used for message made progress transmitting or transmitting downwards.For example, routing node sends to the application corresponding server according to message identification and application purpose sign with message, perhaps according to the routing table of itself and the node address of message message is passed to corresponding intelligent terminal node downwards.
(3) intelligent terminal node: be the terminal point that message transmits downwards, and message is made an explanation and does corresponding operation.Second line of a couplet card node D3, the D4 of net control device N2 are the intelligent terminal node of intelligent use network, are used for setting up communication with public phone network (PSTN) and are connected, all corresponding node address of each intelligent terminal node.
Therefore, according to from top to bottom longitudinally the order, intelligent use network in the present embodiment is divided into Pyatyi, wherein, application server A1, A2 are the first order, and first line of a couplet card node U1 is the second level, and second line of a couplet card node D1, D2 are the third level, first line of a couplet card node U2 is the fourth stage, and second line of a couplet card node D3, D4 (being the intelligent terminal node) are level V.
Communication in any way between application server and the routing node only needs application server and routing node both sides to consult to get final product.In the present embodiment, carry out communication by the TCP/IP network between the first line of a couplet card node U1 among application server A1, A2 and the net control device N1.Also can adopt any way communication between routing node and the routing node, only need routing node and routing node both sides to consult to get final product.In the present embodiment, first line of a couplet card node U1 and second line of a couplet card node D1, D2 are by the internal bus communication, and the first line of a couplet card node U2 among second line of a couplet card node D1, D2 and the net control device N2 carries out communication by the TCP/IP network.Also can use any communication modes between routing node and the intelligent terminal node, only need intelligent terminal node and routing node both sides to consult to get final product.In the present embodiment, this first line of a couplet card node U2 and second line of a couplet card node D3, D4 are by the internal bus communication.Can connect with any communication modes between two net control device N1, the N2, as TCP/IP, RS232, WiFi, GPRS, USB, microwave communication, optical fiber or the like.Set up communication by public phone network (PSTN) with user terminal (as the phone-payment terminal) by the intelligent terminal node and be connected, this intelligent terminal node (second line of a couplet card node D3, D4 among the net control device N2) is used for receiving and sends through the bottom fsk data bag of public phone network (PSTN) transmission and the incident (connecting, disconnect connection etc.) that is connected.User terminal can be set according to the needs of system configuration, can be telephone POS terminal or terminal or other-end.User terminal also can be selected public phone network (PSTN) form in addition with being connected of intelligent terminal node, as RS232 serial ports, TCP/IP etc.
In intelligent use network of the present invention, message only transmits up and down between application server and intelligent terminal node.For example, a message that upwards transmits can only be sent to routing node by the intelligent terminal node, is sent to application server by routing node again.A message that transmits downwards can only send to routing node by application server, is sent to the intelligent terminal node by routing node again.In the present embodiment, do not comprise the information interaction between the application server, do not comprise the information interaction between the routing node yet.
Message has comprised the complete data message that will send as the primitive of exchange in the intelligent use network of the present invention with transmission in it.By adding the mode of message segment (heading), constantly message is encapsulated framing and transmit.Message is based on frame, and a frame is a complete message, and the form of the every frame message that transmits between node and the node and form are definite by consulting between the node.Table 2 has defined a kind of message frame form that transmits that is applicable in this intelligent use network, comprise A to L totally 12 contents.
Table 2 is applicable to the message frame form that transmits in this intelligent use network for one kind
When (A) the frame message transmits in the intelligent use network, be divided into and upwards transmit and transmit both direction downwards.Distinguish the direction that message transmits by message identification (APIC).Message identification is chosen six following hexadecimal values as sign, is respectively: 0X70,0X71,0X72,0X73,0X74,0X75.
Wherein: 0X70,0X72, the message identification of 0X74 for upwards transmitting;
0X71,0X73,0X75 are the message identification that transmits downwards.
(B) application purpose sign (BAIC), corresponding application server when being used for this message and upwards transmitting.
(C) node address (CNA) is the hexadecimal address of 16 bytes, and wherein full F address keeps as special purpose, and the definition all zeros address is a broadcast address.A node in the network is represented in address.
(D) channel number (DCN), a node in the expression network can have a plurality of passages, and 65535 passages are arranged at most.
(E) system's hyphen (ESCN), expression are distributed to system's hyphen of this connection by this node when certain passage has connection, the difference that node is distinguished on the same passage according to channel number and system hyphen is connected.
(F) test serial number (FSN), can make following purposes:
(1) is used in combination with node address, represents that this node sends sequence number of message;
(2) be used in combination with node address, channel number, system's hyphen, represent that this access passage sends sequence number of message in the whole process that connects and disconnect, or a sequence number of this channel number certain packet in the middle of connection and disconnection process.
(G) data type (GDT) is represented the type of this message.
(H) message attribute length (HPL) is represented the length of message attribute content in this message.
(J) message data length (JDL) is represented the length of this message data content.
The minimum length of message is 36 bytes, does not promptly have I and K item in the message, H=0000, J=0000.
The maximum length of message is a 36+65535*2=1311006 byte.
But consider the disposal ability difference of each processing node in the intelligent use network, the maximum length of regulation message frame is 8000 bytes, and when surpassing the length of this regulation, each functional node might abandon this frame in the network.
In intelligent use network of the present invention, realize addressing up or down according to message identification (APIC), application purpose sign (BAIC), the node address (CNA) of every frame message; An application server can be uniquely determined by message identification (APIC) and application purpose sign (BAIC), an intelligent terminal node can be uniquely determined by message identification (APIC) and node address (CNA).When the frame message sends, have many routes and transmit this message, because the speed difference of each bar route, the message that possible back is sent out arrives earlier.Therefore, node is when handling message, and the order that can arrange message according to test serial number avoids occurring the problem of message wrong order.
In addition, can realize a retransmission mechanism according to test serial number, such as: the message of preserving a certain amount of test serial number at the intelligent terminal node, if the purpose application server is found some test serial number packet loss, the purpose application server can send message that a repeating transmission send a certain test serial number to the intelligent terminal node, to solve the problem of Network Packet Loss in the transmission course.
Come intelligent use network of the present invention is elaborated below in conjunction with specific embodiment.
In the present embodiment, this intelligent use network system is set as follows, referring to table 3, table 4, table 5.
The basic setup of table 3 application server
| Title | The IP address | Listening port | The application purpose sign |
| Application server A1 | 192.168.1.100 | 3000 | (BAIC)＝0001 |
| Application server A2 | 192.168.1.200 | 5000 | (BAIC)＝0002 |
The basic setup of table 4 routing node
The basic setup of table 5 intelligent terminal node
| Title | The application purpose sign | Node address |
| Second line of a couplet card node D3 | (BAIC)＝0001 | 2000000000000003 |
| Second line of a couplet card node D4 | (BAIC)＝0002 | 2000000000000004 |
Wherein, D3, D4 all have 8 phones to pull out into passage, are designated channel number 01-08, and the BAIC that sets D3 channel number 01-08 correspondence is 0001, and the BAIC that sets D4 channel number 01-08 correspondence is 0002.
U1 is connected on 3000 ports of A1, sets up a TCP who handles application purpose sign (BAIC)=0001 and connects, and is designated C1;
U1 connects on 5000 ports of A2, sets up a TCP who handles application purpose sign (BAIC)=0002 and connects, and is designated C2;
U2 is connected on 3600 ports of D1, sets up a TCP who handles application purpose sign (BAIC)=0001 and connects, and is designated C3;
U2 is connected on 3700 ports of D2, sets up a TCP who handles application purpose sign (BAIC)=0002 and connects, and is designated C4.
In the present embodiment, set: during message identification APIC=0X70, the message that expression is upwards transmitted; During message identification APIC=0X71, the message that expression is transmitted downwards.Definition to the data message sees also table 6, table 7, table 8, is respectively the data message definition of passage when dialling in, the data message definition that passage is transferred to, and the definition of management data message.
The data message definition that table 6 passage is dialled in
The data message definition that table 7 passage is transferred to
The definition of table 8 management data message
When telephone terminal POS through public telephone network (PSTN) when dialing connects, information is transmitted from bottom to top, its transmittance process is: POS A → D3 → U2 → D1 → U1 → A1.
To the passage 01 of intelligent terminal node D3, reply by D3 passage 01 off-hook through the PSTN dialing for FSK POS A, and generate message 1 (Data Packagel is called for short DP1), the detailed table 9 that sees also, and this message is issued first line of a couplet card node U2 through the internal bus of net control device N2:
The message 1 (DP1) that table 9 intelligent terminal node D3 generates
After first line of a couplet card node U2 receives message DP1, from DP1, extract node address C, 2000000000000003 and be kept in the routing table of itself, referring to table 10:
The node address information of preserving in table 10 routing table
| Node address C | The side of entering |
| 2000000000000003 | Node D3 |
Then, first line of a couplet card node U2 sends to TCP according to message identification with application purpose sign 700001 with the message in the table 9 and is connected on the C3, thereby make the second line of a couplet card node D1 of net control device N1 receive this message DP1, second line of a couplet card node D1 deposits node address 20000000000000003 in its routing table.And the internal bus of process net control device N1 sends to first line of a couplet card node U1 with message DP1.After U1 receives DP1, do similarly to handle, preserve node address 20000000000000003 and advance routing table.U1 sends to TCP according to this message identification and application purpose sign 700001 with message DP1 and is connected on the C1, thus on deliver to application server A1, finish the transmission of this message DP1.
2. when application server A1 will send a fsk data frame to telephone terminal POSA, information was transmitted from top to bottom, and its transmission course is: A1 → U1 → D1 → U2 → D3 → POS A.
Application server A1 generates the message 2 (DP2) that target is intelligent terminal node D3, the node address 20000000000000003 of D3, and these message 2 particular contents see also table 11.
The message 2 (DP2) that table 11 intelligent terminal node D3 generates
When the first line of a couplet card node U1 among the net control device N1 receives message 2 (DP2) from TCP connection C1, be judged as the message of downward transmission according to message identification 71, from DP2, extract node address 2000000000000003, and search routing table itself, thereby the internal bus of message DP2 by net control device 1 sent to second line of a couplet card node D1.After second line of a couplet card node D1 receives message 2 (DP2),, DP2 is passed to the first line of a couplet card node U2 of net control device N2 downwards according to the routing table that node address and self node of message are preserved.After U2 receives DP2, search the routing table of itself according to the node address in the downward transmission message, and pass to second line of a couplet card node D3 downwards.Node D3 is the intelligent terminal node, therefore, the downward transmission of message 2 (DP2) finishes, intelligent terminal node D3 analyzes DP2, learn that according to message this message is that this node of order sends a fsk data frame to passage 01, thereby according to this order, by PSTN, send a fsk data frame to POSA.
Above execution mode only is used to illustrate the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (8)
1. an intelligent use network is characterized in that, described network is a multilevel hierarchy, comprising: be positioned at least one application server of higher level and be positioned at least one intelligent terminal node of subordinate, also comprise several routing nodes that are positioned at intergrade; Setting up communication successively between described application server and routing node, routing node and routing node, routing node and the intelligent terminal node is connected, described network transmits with the frame message format after negotiation is determined between the node, and the data item of every frame message comprises: message identification, application purpose sign and node address; The corresponding node address of each intelligent terminal node, but the direction of transmitting according to the message identification judgment frame message in the frame message.
2. a kind of intelligent use network according to claim 1, it is characterized in that: described frame message is sent by application server and is passed to routing node, and routing node is passed to corresponding intelligent terminal node according to the routing table of itself and the node address of message downwards with message.
3. a kind of intelligent use network according to claim 1, it is characterized in that: described frame message is sent by the intelligent terminal node and is passed to routing node, and routing node upwards is sent to the application corresponding server according to message identification in the frame message and application purpose sign with message.
4. a kind of intelligent use network according to claim 1, it is characterized in that: described application server connects by TCP/IP network and routing node.
5. a kind of intelligent use network according to claim 1, it is characterized in that: the data item of described every frame message also comprises: channel number, system's hyphen, test serial number, data type, message attribute length, message attribute data, message data length, message data content, message test value.
6. a kind of intelligent use network according to claim 1, it is characterized in that: the multilevel hierarchy of described network is a two-stage, comprising: be positioned at least one application server of higher level and be positioned at least one intelligent terminal node of subordinate.
7. a kind of intelligent use network according to claim 6 is characterized in that: described frame message is sent by application server and directly is passed to the intelligent terminal node downwards.
8. a kind of intelligent use network according to claim 6 is characterized in that: described frame message is sent by the intelligent terminal node and directly upwards is passed to application server.
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| CN102724124A (en) * | 2012-06-27 | 2012-10-10 | 福建联迪商用设备有限公司 | Method for multiplexing frequency shift keying (FSK) communication equipment and communication line |
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| CN102855566B (en) * | 2012-08-14 | 2016-06-01 | 广东汇卡商务服务有限公司 | A kind of payment procedure and system preventing the illegal telephone-moving of financial payment terminal |
| CN102984220A (en) * | 2012-11-13 | 2013-03-20 | 北京空间飞行器总体设计部 | Burst data downloading communication method for spacecraft multilevel subnets |
| CN102984220B (en) * | 2012-11-13 | 2015-04-15 | 北京空间飞行器总体设计部 | Burst data downloading communication method for spacecraft multilevel subnets |
| CN103106756A (en) * | 2012-12-28 | 2013-05-15 | 银联商务有限公司 | Communication method and communication system |
| CN113543050A (en) * | 2021-07-19 | 2021-10-22 | 时代低空(山东)产业发展有限公司 | Fusion type flight monitoring message generation method, flight monitoring method and related device |
| CN113543050B (en) * | 2021-07-19 | 2022-07-29 | 时代低空(山东)产业发展有限公司 | Fusion type flight monitoring message generation method, flight monitoring method and related device |
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