CN1389794A - Network back-up adaptor and adapting method - Google Patents
Network back-up adaptor and adapting method Download PDFInfo
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- CN1389794A CN1389794A CN 01115743 CN01115743A CN1389794A CN 1389794 A CN1389794 A CN 1389794A CN 01115743 CN01115743 CN 01115743 CN 01115743 A CN01115743 A CN 01115743A CN 1389794 A CN1389794 A CN 1389794A
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Abstract
The invention relates to the device and method for switching the backup and support on the network. Especially, it is a switching device connecting to one or more electronic installations and possessing one serial interface for transmitting and receiving signals to and from the electronic installations. An operational module is used to interpret the data transferred by the said serial interface, or to end the package passed from the network itnerface to the serial interface. The said switching device can duplicate the signal from the electronic installations and send the duplicated data to two more electric hosts going to receive the data so as to prevent the important data from loss caused by the failure of the network connection. Based on the preset principle, the alogirhtm of the operational module determines whether the switching device has the authority or not to transfer the signal to other installations.
Description
The invention relates to a kind of network redundant conversion equipment and method thereof, particularly relevant for a kind of prevent the connection failure of single reception mainframe network after, cause the loss of capsule information.
Recent years, networks development and application are to advance by leaps and bounds, its advantage just is to make information transmit fast even arrive the place of not having expense far away by network, therefore comply with the tendency of the day of this network communication, various electronic installations are more and more by the interconnected use situation of the PC of network and monitoring, and the regulatory requirement of relevent information on Network Transmission, for example: webmaster, redundant also just constantly are suggested.
For successfully at the enterprising row communication of Local Area Network, PC or electronic installation must be sent to information the common network media, for example: concentric cable, twisted-pair feeder or Connectorized fiber optic cabling, and the groundwork of the network media is sent to another receiving end with signal by a certain transmitting terminal exactly.For the signal on the energy access network, PC or electronic installation must have certain interface and be connected on the network, and this kind interface generally promptly is called network interface, in case computer or electronic installation are by network interface and network connectivity, promptly represent it can receive communication signal miscellaneous on the network, if and electronic installation on the network or computer are wanted communication successfully, they must use identical communication rule, how these rules explains signal if comprising, other computer on identification oneself and the network how, how to begin and finish network communication, how to pass through the interchange of network media overhead.And such one each other all simultaneously regular collection just be called the network communication agreement.
Personal electric or electronic installation do not have network interface traditionally, being connected of the PC of they and other, be by the standard serial interface, RS-232 for example, this kind connection is except still considering the compatibility of physical construction, also must consider computer and the data transmission parameter of peripheral device and the consistance of form, the latter is general alleged communications protocol.Communications protocol comprises transfer rate, data bit number, coordination bit, stops bit, transmits data number or the like, and by the communications protocol of common use, computer can carry out the transmission and the explanation of data with electronic device by the serial interface.Yet by this kind standard serial interface and communications protocol, and can't come transmission information at general Local Area Network, the method for its solution is and must realizes the purpose of the transmission over networks of data by a kind of conversion equipment.
This kind conversion equipment can receive the electronic signal of coming out from the serial interface on PC or the electronic installation by the serial interface of standard, after being interpreted as source book, be packaged into the package of suitable network communication agreement again according to set network communication agreement, by network interface, be sent on the network media again for network host reception to be received.And when network host sends data to the electronic installation data, network host can be packaged into data the package of network communication agreement earlier, be sent on the network media by its network interface, when conversion equipment receives this package by network, package will be interpreted as source book, agreement is sent on the serial interface according to serial communication again, sending out to electronic installation to be received, though this kind connected mode can realize electronic installation transmission data and give the purpose of network host, yet since network on or may work as machine because of personal host computer, or broken string because of the network media, all can make electronic installation the transmission data to give the PC that receives, and cause the loss of data.
Purpose of the present invention promptly after a kind of network redundant conversion equipment and method thereof being provided, can effectively preventing the network connection failure of single reception main frame, lose by the capsule information that caused.
For achieving the above object, the present invention proposes a kind of network redundant conversion method and device, is used to connect one or above electronic installation, it is characterized in that method comprises: connect one or more electronic installation with a conversion equipment; One or more serial I/O interface receives from the serial signal of above-mentioned electronic installation or transmits a signal to electronic installation; Explain the data that above-mentioned serial interface transmits with a computing module, one or more confessions of package that packing this data becomes the network communication agreement receive or transmit a signal to the network interface on the network, or the package that transmits of decipher network interface, be converted into the serial communication agreement and be sent to the serial interface; And the signal of above-mentioned conversion equipment comfortable electronic installation in future, copy as more than two parts or two parts, be sent to and give host computer or the electronic installation of waiting the data that receives more than two or two on the network.To give the signal of electronic installation be to obtain with algorithm in the conversion equipment tendency to develop that further is characterized as of this method, and judge whether to have the authority that is transferred to electronic installation with principle calculation decided at the higher level but not officially announced, is resent to electronic installation.
A kind of network redundant conversion equipment, this device characteristic is to comprise at least: a conversion equipment, in order to connect one or more electronic installation; One or more serial I/O interface is in order to receive from the serial signal of above-mentioned electronic installation or to transmit a signal to electronic installation; One computing module in order to the data of explaining that above-mentioned serial interface transmits, is packed data transmission again and is given network interface, or the reverse Datagram that transmits of decipher network interface, is converted to serial communication again and is sent to above-mentioned serial interface; One or more network interface is in order to receive/to send a signal on the network; And with above-mentioned conversion equipment it to be connected the electronic installation signal replication be data more than two parts or two parts for receiving to be located at host computer on the network or electronic installation more than two or two.This device is characterised in that: the signal that electronic installation is given in this conversion equipment tendency to develop is to utilize its principle decided at the higher level but not officially announced to calculate and judge whether to have the authority of transport electronic device with above-mentioned computing module.
In preferred embodiment, above-mentioned conversion equipment is given the signal of electronic installation with tendency to develop, obtains to be sent to electronic installation again for the authority that is sent to electronic installation through calculation.
Description of drawings:
Fig. 1 is a preferred embodiment process flow diagram of the present invention.
As shown in Figure 1, after the electronic signal that PC or electronic installation 10 change into data serial is sent by the serial interface, this electronic signal can be via the cable that connects, be transmitted on the serial interface 22 of conversion equipment 20, system can be reduced into original data with this electronic signal earlier, by computing module 24 this source book is copied as more than two minutes or two minutes, and be packaged into the package of network communication agreement, be sent to its network interface 26 and change the electronic signal that changes the network use into, be sent to again and give the host computer 31 that receives more than two or two on the network media 30,32,33.
Electronic signal can be propagated on the network media 30, when network computer main frame 31 to be received, 32,33 receive this electronic signal by its network interface, and be reduced into the package of network communication agreement, its system subsequently can this package of decipher and the original data of reducing, so the network computer main frame that remains to be received all can be finished the purpose of reception data, if and any main frame 31 is arranged wherein, 32 or 33 are connected the generation problem with the network of conversion equipment 20, as long as other connection of waiting to receive main frame is good, data still can be delivered to those main frames to be received, and realizes that redundant receives the purpose of data.
When 31,32,33 desires of the host computer on the network are given data transmission electronic installation 10, the system of host computer can be packaged into the data of waiting to send to electronic installation the package of network communication agreement, it is passed to the electronic signal that network interface changes into network, deliver to again on the network media 30.When the network interface 26 of conversion equipment 20 is received this electronic signal, earlier electronic signal is converted to the package of network communication agreement, the computing module can and utilize its principle decided at the higher level but not officially announced calculation with it decipher subsequently, judge whether to have the authority that is transferred to electronic installation, then again the source book after this decipher is changed into the electronic signal of serial in this way by serial, be sent on the serial interface 22, and pass to the serial interface of electronic installation 10 via the cable that connects, electronic installation 10 is reduced into original data by the serial interface again; If this package judges do not have the authority that is transferred to electronic installation 10 through system's principle decided at the higher level but not officially announced, system will no longer handle and remove this data, and data enters electronic installation 10 to avoid improperly.
The present invention thereby can be when machine or its network matchmaker break at personal host computer, as long as other waits to receive under the correct shape of being connected to of main frame, can prevent that all single main frame from receiving the capsule information loss that the network connection failure is caused, and realizes that effectively redundant receives the function of data
Only with for conveniently illustrating the present invention,, be familiar with various simple and easy interpolation or modification that this industry personage is done through last illustrated embodiment, all must include within this case interest field not from the present invention's spirit category.
Claims (4)
1, a kind of network redundant conversion method is characterized in that method comprises:
Connect one or more electronic installation with a conversion equipment;
One or more serial I/O interface receives from the serial signal of above-mentioned electronic installation or transmits a signal to electronic installation;
Explain the data that above-mentioned serial interface transmits with a computing module, one or more confessions of package that packing this data becomes the network communication agreement receive or transmit a signal to the network interface on the network, or the package that transmits of decipher network interface, be converted into the serial communication agreement and be sent to the serial interface; And
Above-mentioned conversion equipment is the signal of comfortable electronic installation in the future, copies as more than two parts or two parts, is sent to and gives host computer or the electronic installation of waiting the data that receives more than two or two on the network.
2, network redundant conversion method as claimed in claim 1, it is characterized in that: the signal that electronic installation is given in this conversion equipment tendency to develop is to obtain with algorithm, and judge whether to have the authority that is transferred to electronic installation with principle decided at the higher level but not officially announced calculation, be resent to electronic installation.
3, a kind of network redundant conversion equipment is characterized in that comprising at least:
One conversion equipment is in order to connect one or more electronic installation;
One or more serial I/O interface is in order to receive from the serial signal of above-mentioned electronic installation or to transmit a signal to electronic installation;
One computing module in order to the data of explaining that above-mentioned serial interface transmits, is packed data transmission again and is given network interface, or the reverse Datagram that transmits of decipher network interface, is converted to serial communication again and is sent to above-mentioned serial interface;
One or more network interface is in order to receive/to send a signal on the network; And
With above-mentioned conversion equipment it to be connected the electronic installation signal replication be data more than two parts or two parts for receiving to be located at host computer on the network or electronic installation more than two or two.
4, network redundant conversion equipment as claimed in claim 3 is characterized in that: the signal that electronic installation is given in this conversion equipment tendency to develop is to utilize its principle decided at the higher level but not officially announced to calculate and judge whether to have the authority of transport electronic device with above-mentioned computing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115743 CN1389794A (en) | 2001-06-04 | 2001-06-04 | Network back-up adaptor and adapting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115743 CN1389794A (en) | 2001-06-04 | 2001-06-04 | Network back-up adaptor and adapting method |
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| CN1389794A true CN1389794A (en) | 2003-01-08 |
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| CN 01115743 Pending CN1389794A (en) | 2001-06-04 | 2001-06-04 | Network back-up adaptor and adapting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022993A1 (en) * | 2009-08-28 | 2011-03-03 | 中兴通讯股份有限公司 | Method and network node for message transfer |
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2001
- 2001-06-04 CN CN 01115743 patent/CN1389794A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022993A1 (en) * | 2009-08-28 | 2011-03-03 | 中兴通讯股份有限公司 | Method and network node for message transfer |
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