CN102801639A - Communication device and method for transmitting network management protocol by using E1 odd frame Sa bit - Google Patents
Communication device and method for transmitting network management protocol by using E1 odd frame Sa bit Download PDFInfo
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- CN102801639A CN102801639A CN2012103414809A CN201210341480A CN102801639A CN 102801639 A CN102801639 A CN 102801639A CN 2012103414809 A CN2012103414809 A CN 2012103414809A CN 201210341480 A CN201210341480 A CN 201210341480A CN 102801639 A CN102801639 A CN 102801639A
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Abstract
The invention relates to a communication device and a method for transmitting network management protocol by using E1 odd frame Sa bit. The device comprises a serial port receiving module (1) used for receiving message data, a serial port transmission module (2) used for transmitting message data, a message receiving buffer module (3), a message transmission buffer module (4), a message transmitting direction control module (5) and a message processing module (8); the device is characterized by further comprising an E1 branch message receiving module (6) and an E1 branch message transmission module (7), wherein the E1 branch message receiving module (6) saves the received message data in the message receiving buffer module (3); and the message processing module (8) extracts a message which is compared with the massage in the message transmission buffer module (4), and then the transmitting direction message data is saved in the message transmitting direction control module (5), the transmission message data is saved in the E1 branch message transmission module (7), the massage is transmitted according to the detection controlled by the message transmitting direction control module (5). The communication device and method provided by the invention can realize that network management message data can be transmitted stably in the Sa bit of E1 so as to guarantee the arrival reliability of massage data.
Description
Technical field
The invention belongs to digital communication technology field, particularly a kind of communication device and method of utilizing the strange frame Sa of E1 position (National Bit) transmission network management agreement.
Background technology
Along with the development of modern communication technology, the requirement of communication equipment Remote Management of Network and message transmissions is improved constantly.Present known network management channel (nmc) mainly contains: special-purpose network management channel (nmc), the DCC passage that utilizes SDH equipment, ethernet channel and RS232 serial line interface passage etc. are set; The message transmissions mode mainly contains: routing table (artificial be provided with or device intelligence), (Flooding) data flow transmission or Ethernet protocol etc. flood.Though these schemes have communication equipment Remote Management of Network and message transmissions function; But not enough below also existing: the one, do not have DCC passage, ethernet channel and RS232 passage because of the part communication equipment is arranged, and can not satisfy the network management requirements of all communication equipments; The 2nd, because of in the service channel of communication equipment, network management channel (nmc) being set, and the limited service resources of waste communication equipment; The 3rd, for network management channel (nmc) is set, both taken more human and material resources, increased potential faults simultaneously again.
Chinese patent 200710110478.X disclosed " a kind of method and binode loop device of realizing binode ring DCC route protection "; On the binode ring, to adopt the technology that floods; And be utilized as the binode ring and dispose the protection that active and standby agent node is realized its network management information; Though can solve in that network size is big, binode number of rings order is more, webmaster DCC protection problem on the binode ring under the unintelligible situation of network layerization, also have following subject matter: the one, this device can't be realized the transmission of webmaster message in the overall situation on the net; The 2nd, its channel transmitted is confined to the DCC passage, can't in the strange frame Sa of E1 position (National Bit), transmit.
Chinese patent 201010163668.X disclosed a kind of " through the method for NM server remotely configuring network element "; To adopt NM server to concentrate the management configuration parameters of all network elements is carried out Remote configuration; Handle accordingly according to the different messages that it is received respectively through network element; Though can solve network element open with transformation process in need not carry out this locality configuration to the management configuration parameters of network element, thereby can effectively reduce transmit bearer network is opened or transformation process in the cost that consumes, also have following subject matter: the one, the mode that message arrives is too loaded down with trivial details; Both increased difficulty, reduced the reliability that message arrives again to implementing; The 2nd, can't in the strange frame Sa of E1 position (National Bit), transmit.
The deficiency that how to overcome above prior art has become the great difficult problem that current network management communication technical field needs to be resolved hurrily.
Summary of the invention
The communication device and the method that the objective of the invention is to overcome the deficiency of prior art and the strange frame Sa of a kind of E1 of utilization position (National Bit) transmission network management agreement is provided; Can realize the stable transfer of webmaster message data in the strange frame Sa of E1 position (National Bit), guarantee the reliability that message data arrives.
A kind of communication device that utilizes the strange frame Sa of E1 position (National Bit) transmission network management agreement that proposes according to the present invention; Comprise that the serial ports receiver module that receives message data, the serial ports sending module that sends message data, message receive buffer module, message sends buffer module, message transmitting party to control module and message processing module (MPM); Wherein: the serial ports receiver module deposits the message data that receives in message and receives buffer module; Message processing module (MPM) receives buffer module from message and extracts message data; Send the buffer module comparison with message; Deposit the sending direction message data in message transmitting party to control module by message processing module (MPM); To send message data and deposit the serial ports sending module in, send message data by message transmitting party to the control direction of control module, it is characterized in that also comprising E1 branch road message receiver module and E1 branch road message sending module by the serial ports sending module; Wherein E1 branch road message receiver module deposits the message data that receives in message and receives buffer module; Message processing module (MPM) receives buffer module from message and extracts message data, sends the buffer module comparison with message, deposits the sending direction message data in message transmitting party to control module by message processing module (MPM); To send message data and deposit E1 branch road message sending module in, send message data by message transmitting party to the control direction of control module by E1 branch road message sending module.
A kind of means of communication of utilizing the strange frame Sa of E1 position (National Bit) transmission network management agreement that propose according to the present invention; Step 1 is to deposit the message data that receives in message by the serial ports receiver module that receives message data to receive buffer module; Message processing module (MPM) receives buffer module from message and extracts message data; Send the buffer module comparison with message; Deposit the sending direction message data in message transmitting party to control module by message processing module (MPM), deposit the serial ports sending module that sends message data in, send message data by message transmitting party to the control direction of control module by the serial ports sending module that receives message data with sending message content; It is characterized in that step 2 is to deposit the message data that receives in message by E1 branch road message receiver module to receive buffer module; Message processing module (MPM) receives buffer module from message and extracts message data, sends the buffer module comparison with message, deposits the sending direction message data in message transmitting party to control module by message processing module (MPM); To send message data and deposit E1 branch road message sending module in, send message data by message transmitting party to the control direction of control module by E1 branch road message sending module.
The present invention compared with prior art its remarkable advantage is: the one, the invention solves the problem that the transmission of webmaster message data is shaken, and guaranteed the reliability that message data arrives; The 2nd, webmaster message data of the present invention does not take device resource through the strange frame Sa of E1 position (National Bit) transmission, has improved the cost performance of communication device of the present invention; The 3rd, be in the communications network system of network element group network with the present invention, can the arbitrary topology mode link to each other between each network element, the webmaster route need not to be beforehand with any configuration, promptly can be the user best webmaster network-building method is provided; The 4th, the present invention can select the shortest arrival route automatically, has satisfied the ageing of webmaster message data.The present invention adaptable across E1 as in the communication equipment of service channel such as PCM transmission equipment, the switching equipment and various E1 access device of E1 as service channel.
Description of drawings
Fig. 1 is the structured flowchart of the communication device of the strange frame Sa of a kind of E1 of utilization position (National Bit) the transmission network management agreement that proposes of the present invention.
Fig. 2 is the workflow block diagram of the message processing module (MPM) that proposes of the present invention.
Fig. 3 is the communication device of the strange frame Sa of a kind of E1 of utilization position (National Bit) the transmission network management agreement that proposes of the present invention and the application network topological diagram of method.
Fig. 4 is the E1 branch road message receiver module structured flowchart that the present invention proposes.
Fig. 5 is the E1 branch road message sending module structured flowchart that the present invention proposes.
Embodiment
Do further to specify below in conjunction with accompanying drawing and embodiment specific embodiments of the invention.
In conjunction with Fig. 1 and Fig. 2; A kind of communication device that utilizes the strange frame Sa of E1 position transmission network management agreement that the present invention proposes comprises by the serial ports receiver module (1) that receives message data, the serial ports sending module (2) that sends message data, message reception buffer module (3), message transmission buffer module (4), message transmitting party and forming to control module (5), E1 branch road message receiver module (6), E1 branch road message sending module (7) and message processing module (MPM) (8).Wherein, the serial ports sending module (2) of the serial ports receiver module (1) of the reception message data of the present invention's proposition and transmission message data is made up of RS232 serial ports transceiving chip, Ethernet chip and register.Message receives buffer module (3) to be made up of RAM memory and two registers, and the RAM memory is used to preserve message data, and size can be generally the 4K byte according to the number setting of E1; One of them register is used to the position of indicating down the bar message to deposit, message of every preservation, and counter adds 1, and another register is used to the message position of indicating down bar to handle; Message of every processing, counter adds 1, when the value of two registers equates; Explain that message receives the interior message of buffer module (3) and all handles, the overflow value of register can be generally 64 according to the number setting of E1; When the value of register equaled 64, register was clear 0, since 0 numeration.Message sends buffer module (4) to be made up of RAM memory and a register, and the RAM memory is used to preserve and arrives the message that this device and this device are replied, and size can be according to the number setting of E1; Be generally the 4K byte, register is used to the position of indicating down the bar message to deposit, message of every preservation; Counter adds 1, and the overflow value of register can be generally 64 according to the number setting of E1; When the value of register equaled 64, register was clear 0, since 0 numeration.Message transmitting party is made up of NAND gate circuit to control module (5), and whether control E1 branch road message sending module (7) sends message data.The strange frame Sa of E1 position (National Bit) has 5, and transfer of data is to be unit with the byte, and 1 byte is 8, for transmitting conveniently, and back 4 of the strange frame Sa of E1 capable of using position (National Bit).E1 branch road message receiver module (6) is specifically confirmed by the E1 quantity of communication equipment for adopting the message sink of 1～256 the strange frame Sa of E1 position (National Bit), the corresponding message sink of each E1 branch road; In conjunction with Fig. 4; Each message sink in the E1 branch road message receiver module (6) is made up of data register, shift register, NAND gate circuit and register, and a byte is formed in per two the strange frame Sa of continuous E1 positions (National Bit), and its workflow is: behind the E1 branch road incoming message receiver; The synchronizing signal that provides by outside E1 signal synchronization circuit; Through NAND gate circuit, the strange frame Sa of E1 position (National Bit) is displaced to shift register, when behind the strange frame Sa of first E1 position (National Bit) 4 be shifted into shift register after; Back 4 of next E1 strange frame Sa position (National Bit) is shifted into shift register and from the shift register sense data; Deposit data register in, circulation successively forms a message when satisfying the predetermined value of counter reception message length.E1 branch road message sending module (7) is for adopting the message transmitter of 1～256 the strange frame Sa of E1 position (National Bit); Specifically confirm by the E1 quantity of communication equipment; In conjunction with Fig. 5; Each message transmitter in the E1 branch road message sending module (7) is made up of data register, shift register, NAND gate circuit and register, the corresponding transmitter of each E1 branch road, and its workflow is: the output of E1 branch road begins from first byte of data register; The synchronizing signal that provides by outside E1 signal synchronization circuit; Through NAND gate circuit with this byte low 4 move into through shift register E1 strange frame Sa position (National Bit) after 4, the strange frame of next E1 moves into back 4 of E1 strange frame Sa position (National Bit) with high 4 of this byte through shift register, promptly accomplishes a byte and exports from the E1 branch road; A message is sent in circulation successively when satisfying the predetermined value of counter transmission message length.Message processing module (MPM) (8) is made up of data register, shift register, NAND gate circuit, trigger, counter and comparator.Output is connected serial ports receiver module of the present invention (1) with Ethernet with outside RS232; Input is connected serial ports sending module (2) with Ethernet with outside RS232; E1 branch road message receiver module (6) is connected with outside E1 branch road output; E1 branch road message sending module (7) is connected with outside E1 branch road input.
In conjunction with Fig. 1 and Fig. 2; A kind of means of communication of utilizing the strange frame Sa of E1 position transmission network management agreement that the present invention proposes; Deposit the message data that receives in message by serial ports receiver module (1) that receives message data and E1 branch road message receiver module (6) and receive buffer module (3); Message processing module (MPM) (8) judges whether that by the value that message receives two counters of buffer module (3) new message receives, if new message is arranged, message processing module (MPM) (8) receives from message and extracts message the buffer module (3); And message carried out verification; Like the incorrect dropping packets of verification, compare like all messages that verification correctly will receive in message and the message transmission buffer module (4), sending buffer module (4) like message has identical message to have the message that will abandon reception; Solved webmaster message transmissions concussion problem; Send buffer module (4) like message and do not find identical message, then will receive message and deposit message transmission buffer module (4) in, the ID coding that then will receive message is compared with the ID coding of device; Inequality like the ID coding; Message is described not to this device, need be transmitted that sending direction (other directions except that receive direction) deposits message transmitting party in and deposits serial ports sending module (2) and the E1 branch road message sending module (7) that sends message data in to control module (5), transmission content (reception message) by this device; Identical like the ID coding; Message is described to this device, tissue responses message (answer and correctly receive message) deposits response message in message and sends buffer module (4); Sending direction (all sending directions) deposits message transmitting party in and deposits serial ports sending module (2) and the E1 branch road message sending module (7) that sends message data in to control module (5), transmission content (response message), and the serial ports sending module (2) and the E1 branch road message sending module (7) that send message data send message content by message transmitting party to the indication of control module (5).
In conjunction with Fig. 3, be in the communications network system of network element group network with the present invention, establishing A, B, C and D is the service channel of A, B, C and four network elements of D for including four network elements of the present invention, establishing AB, AC, AD, BC, BD and CD, this service channel connects through E1.When network management computer (NMS) needs management D network element; Network management computer (NMS) but any network element in the access network; The D network element is configured and manages, be connected through RS232 with the A network element by network management computer (NMS), its workflow is: network management computer (NMS) is delivered to the A network element through the RS232 passage with message; The A network element detects message purpose ID sign indicating number; When discovery and self ID are not inconsistent, satisfy through the Sa position (National Bit) of the strange frame of E1 message is transmitted to the direction except that receiving the message direction, promptly transmit to AB, AD, AC direction; After network element B receives message, learn with self ID sign indicating number not to be inconsistent, transmit to BC and BD direction; After network element C receives message, learn with self ID sign indicating number not to be inconsistent, transmit to BC and CD direction; After network element D received message, affirmation was consistent with the ID sign indicating number of itself, and the webmaster message is selected the shortest arrival D network element automatically, and the D network element receives this message and also carries out the order that this message brings; The D network element also will be received from B and C changes message sent, and this message of D network element process recognition and verification A network element is received, and will be transmitted the packet loss of coming from B and C.After the complete corresponding operation of D network element, with the form that floods acknowledgement command is returned to network management computer (NMS) equally, with the purpose of final realization webmaster message data reliable transmission.
The present invention has obtained satisfied effect through validation trial.
Claims (6)
1. communication device that utilizes the strange frame Sa of E1 position (National Bit) transmission network management agreement; Comprise that the serial ports receiver module (1) that receives message data, the serial ports sending module (2) that sends message data, message receive buffer module (3), message sends buffer module (4), message transmitting party to control module (5) and message processing module (MPM) (8); Wherein: serial ports receiver module (1) deposits the message data that receives in message and receives buffer module (3); Message processing module (MPM) (8) receives buffer module (3) from message and extracts message data; Send buffer module (4) comparison with message; Deposit the sending direction message data in message transmitting party to control module (5) by message processing module (MPM) (8); To send message data and deposit serial ports sending module (2) in, send message data by message transmitting party to the control direction of control module (5), it is characterized in that also comprising E1 branch road message receiver module (6) and E1 branch road message sending module (7) by serial ports sending module (2); Wherein E1 branch road message receiver module (6) deposits the message data that receives in message and receives buffer module (3); Message processing module (MPM) (8) receives buffer module (3) from message and extracts message data, sends buffer module (4) comparison with message, deposits the sending direction message data in message transmitting party to control module (5) by message processing module (MPM) (8); To send message data and deposit E1 branch road message sending module (7) in, send message data by message transmitting party to the control direction of control module (5) by E1 branch road message sending module (7).
2. means of communication of utilizing the strange frame Sa of E1 position (National Bit) transmission network management agreement; The one, deposit the message data that receives in message by serial ports receiver module (1) and receive buffer module (3); Message processing module (MPM) (8) receives buffer module (3) from message and extracts message data; Send buffer module (4) comparison with message; Deposit the sending direction message data in message transmitting party to control module (5) by message processing module (MPM) (8), will send message content and deposit serial ports sending module (2) in, send message data by message transmitting party to the control direction of control module (5) by serial ports sending module (2); It is characterized in that two is to deposit the message data that receives in message by E1 branch road message receiver module (6) to receive buffer module (3); Message processing module (MPM) (8) receives buffer module (3) from message and extracts message data, sends buffer module (4) comparison with message, deposits the sending direction message data in message transmitting party to control module (5) by message processing module (MPM) (8); To send message data and deposit E1 branch road message sending module (7) in, send message data by message transmitting party to the control direction of control module (5) by E1 branch road message sending module (7).
3. communication device according to claim 1 is characterized in that the message sink of E1 branch road message receiver module (6) for the Sa position (National Bit) of 1～256 strange frame of E1 of employing.
4. according to claim 1 or 3 described communication devices, it is characterized in that E1 branch road message receiver module (6) is made up of data register, shift register, NAND gate circuit and register.
5. communication device according to claim 1 is characterized in that the message transmitter of E1 branch road message sending module (7) for the Sa position (National Bit) of 1～256 strange frame of E1 of employing.
6. according to claim 1 or 5 described communication devices, it is characterized in that E1 branch road message sending module (7) is made up of data register, shift register, NAND gate circuit and register.
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| CN108809787A (en) * | 2018-06-27 | 2018-11-13 | 南京丰泰通信技术股份有限公司 | Communication device based on E1 signals and its data processing method |
| CN109547403A (en) * | 2018-09-29 | 2019-03-29 | 江苏新质信息科技有限公司 | A method of for message communicating in E1 channelization codes equipment belt |
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| CN202998127U (en) * | 2012-09-17 | 2013-06-12 | 南京丰泰通信技术股份有限公司 | Communication device using E1 odd field Sa bit transmission network management protocol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108809787A (en) * | 2018-06-27 | 2018-11-13 | 南京丰泰通信技术股份有限公司 | Communication device based on E1 signals and its data processing method |
| CN108809787B (en) * | 2018-06-27 | 2020-10-16 | 南京丰泰通信技术股份有限公司 | Communication device based on E1 signal and data processing method thereof |
| CN109547403A (en) * | 2018-09-29 | 2019-03-29 | 江苏新质信息科技有限公司 | A method of for message communicating in E1 channelization codes equipment belt |
| CN109547403B (en) * | 2018-09-29 | 2021-04-06 | 江苏新质信息科技有限公司 | Method for in-band message communication of E1 channel password equipment |
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