CN1233018A - Back-up exchange device and method for douple speed concentrator - Google Patents
Back-up exchange device and method for douple speed concentrator Download PDFInfo
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- CN1233018A CN1233018A CN 98101422 CN98101422A CN1233018A CN 1233018 A CN1233018 A CN 1233018A CN 98101422 CN98101422 CN 98101422 CN 98101422 A CN98101422 A CN 98101422A CN 1233018 A CN1233018 A CN 1233018A
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Abstract
The CPU is used to send out one test package regularly through one medium access controlling circuit, and the test package is conveyed to one other medium access controlling circuit through one concentrator, exchanger and other concentrator. By means of determining the test package received by the other medium access controlling circuit, the exchanger is judged if there is any fault and is closed while starting one other stacked exchanger in other double speed concentrator as back-up one. The stacked double speed concentrators are made to complete the normal transportation of package data in different transmission speed.
Description
The present invention relates to a kind of back-up exchange device and method of double speed hub, mainly utilize CPU (central processing unit) regularly to send test packets by a medium accesses control circuit, make test packets comply with via hub, interchanger and other hub, be sent to another medium accesses control circuit, mat detects the test packets that another medium accesses control circuit is received again, judge whether interchanger breaks down, and according to closing former interchanger, and start the interchanger in other double speed hub that piles up mutually, as the redundant interchanger, make this double speed hub that piles up mutually with package, finish the normal carrying work of packet information according to different transmission speeds.
Computer network has been widely used in all trades and professions of society now, and the transmission speed at networking is also more and more fast along with being showing improvement or progress day by day of computer technology, with the Ethernet is example, the transmission speed of its package has been transmitted the package number of 10Mega bit by per second, be increased to the transmission speed of per second transmission 10Mega bit, therefore, traditionally, the networking dealer is in order to extend the networking, and provide on the networking and transmit the required networking hub of package with per second 10Mega bit speed, can't use for the network equipment of per second with the transmission of 10Mega bit speed, therefore, be birth in response to adjustment Ethernet device, the networking dealer must provide a kind of networking hub that can receive simultaneously and transmit with per second i0Mega bit and 100Mega bit speed transmission packet information, selects for the networking user, makes between the network equipment of different package transmission speed, can effectively solve puzzlement and the problem that is caused because of the transmission speed difference, and correctly between the networking, carry out the transmission of package.This kind hub generally is referred to as the double speed hub.
General so-called double speed hub mainly is divided into two kinds, one is the double speed hub 1 of basic model, as shown in Figure 1, this kind hub 1 also is general and the most common double speed hub, mainly comprise an interchanger 11, the hub 13 of the hub 12 of one 10Mega bit transmission speed and a 100Mega bit transmission speed, wherein the hub 12 of 10Mega bit speed and this hub 13 of 100Mega bit speed respectively with double speed hub 1 on set receipts in several output inlets 14/send the circuit (not shown) to be connected, receipts/circuit in the output inlet 14 is after the transmission speed that detects the network equipment (not shown) that is connected, can comply with its transmission speed respectively, with the packet information that is received, hub by identical speed, be sent to the network equipment of identical speed on other output inlet 14, detect side to exporting the network equipment that is connected on the inlet 14 if receive/send circuit, desire transmits per second with 10Mega bit (or 100Mega bit) speed packet information, when being sent to the network equipment of per second 100Mega bit (or 10Mega bit) speed, promptly must adjust at different package transfer rates, guarantee normally to be transmitted packet information between the networking of different transfer rates by this interchanger.
Another is intelligent double speed hub, as shown in Figure 2, the main mat of this kind hub installs a CPU (central processing unit) 24 additional, make this CPU (central processing unit) 24 be connected with the hub 22 of a 10Mega bit speed and the hub 23 of a 100Mega bit speed respectively, NM network management data (hereinafter to be referred as MIB) with the chip that reads two hubs, this CPU (central processing unit) and according to the networking traffic in the NM network management standing of two hubs, NM network management is sealed the medium accesses control circuit 25 of a 100Mega bit transmission speed of establishing by other, be sent on the networking with 100Mega bit speed transmission, or by an interchanger 21 it be sent on the network equipment with identical speed with per second 10Mega bit speed again.
Commonly use in the double speed hub at this kind, if this interchanger breaks down, the packet information of different transmission speeds between the networking, not only can't carry out the speed adjustment by the double speed hub, with normal transmission packet information, the user does not also have the crowd and learns its failure cause, thereby causes the networking maintenance management to perplex greatly.
In addition, commonly use in the stacked architecture of double speed hub at this kind, referring to shown in Figure 3, the hub 33 of the hub 32 of a set 10Mega bit speed and a 100Mega bit speed is connected one by one in several double speed hubs 31, respectively generally be equipped with an interchanger 34 in this double speed hub 31, with at different these packages of transmission speed of equipment room between the networking, carry out the speed adjustment, effectively solve the problem that is caused because of the transmission speed difference, and correctly between the networking, carry out the transmission of packet information, yet, in this stacked architecture, only allow an interchanger 34 to be activated, all the other then must keep closed condition, otherwise the wantonly interchanger that is activated more than two or two 34 is the formation phenomenon of passing by on one's way, and then causes network system to operate.
Because, practise in the stacked architecture of double speed hub at this kind, set central authorities handle 35 and only are responsible for simple NM network management work in several double speed hubs 31, and be beyond recognition and judge whether fault of interchanger set on it 34, so when a former interchanger 34 that is activated breaks down, not only the user has no way of learning common failure cause, the packet information that transmits with friction speed between the networking, also can't carry out the normal transmission of packet information, and still cause in the system maintenance management of networking and perplex greatly and problem by hub.
Fundamental purpose of the present invention is to provide a kind of back-up exchange device and method of double speed hub, mainly utilize a CPU (central processing unit), regularly send test packets by arbitrary medium accesses control circuit in this double speed hub, and make this test packets in regular turn via another hub, one interchanger and another hub, be sent in another medium accesses control circuit, whether this CPU (central processing unit) breaks down by detecting this another medium accesses control circuit again, and when this interchanger breaks down, the NM network management system is sent warning signal, and close this interchanger, and the interchanger in other double speed hub that startup and double speed hub pile up mutually, make it as the redundant interchanger, make the double speed hub that piles up mutually be able to normal operation, correctly finish the transmission work of packet information according to different transmission speeds.
Another object of the present invention is to provide a kind of back-up exchange device and method of double speed hub, make the double speed hub can effectively distinguish and judge whether fault of interchanger set on it, and when an interchanger that originally was activated breaks down, can send warning signal to the NM network management system immediately, make the user learn failure cause, carry out maintenance process at once, avoid packet information on transmitting, to miss, with the correctness of raising networking transmission and the efficient of system maintenance management.
A further object of the present invention is to provide a kind of back-up exchange device and method of double speed hub, make double speed line device in stacked architecture, when an interchanger that originally was activated breaks down, can close this interchanger immediately, and the interchanger in other double speed hub that startup and this double speed hub pile up mutually makes it as the redundant interchanger, so that this double speed hub that piles up mutually still gets normal operation, according to different package transmission speed, correctly finish the transmission of packet information.
Another purpose of the present invention is to provide a kind of back-up exchange device and method of double speed hub, can on the double speed hub, establish a timer circuit in addition, CPU (central processing unit) is by this timer circuit, the test packets that calculating is sent by arbitrary medium accesses control circuit, in regular turn via another hub, one interchanger and another hub, and received the required time by another medium accesses control circuit, and the required delivery time be reference value when not having traffic completely with the networking, calculate its multiple, multiple is as the reference value of traffic on the networking, with the foundation of doing to judge that whether traffic crowds on the networking according to this.
The object of the present invention is achieved like this: a kind of back-up exchange device of double speed hub, it comprises double speed hub and corresponding CPU (central processing unit), wherein have speed transmission hub respectively with this double speed hub on set receipts in several output inlets/send circuit to be connected, receive/send circuit and detecing side after the transmission speed of the network equipment that is connected, can comply with its transmission speed respectively, the packet information that transmits is passed through this hub, be sent to other output inlet and go up on network equipment of identical speed transmission packet information, this hub also is connected with this CPU (central processing unit) by the medium accesses control circuit of an identical speed;
With the hub of another speed transmission respectively with this double speed hub on set receipts in several output inlets/send circuit to be connected, receive/send circuit and detecing side after the transmission speed of the network equipment that is connected, respectively according to its transmission speed, the packet information that transmits is passed through this another hub, be sent on the network equipment of identical speed transmission packet information on other port,input-output, this another hub also is connected with this CPU (central processing unit) by the medium accesses control circuit of an identical speed;
Detect the exchanger system of the network equipment that side connected to the output inlet and be connected in order to receive/to send circuit with this two hub, the packet information that desire transmits a certain speed, when being sent to the network equipment of another speed, adjust at different package transfer rates, guarantee that packet information correctly transmits between the networking of different transfer rates;
This CPU (central processing unit) is by regularly sending test packets by arbitrary medium accesses control circuit in this double speed hub, and make this test packets in regular turn via a hub, a hub during one interchanger reaches, be sent to another medium accesses control circuit, this CPU (central processing unit) is deposited the test packets that received with control circuit content is wrong or in time do not received by detecting this another medium again, to judge whether this interchanger breaks down, and when this interchanger breaks down, system sends warning signal to NM network management, make NM network management person be carried out maintenance process at once, avoid packet information on transmitting, to miss.
This double speed hub is established a timer circuit in addition, this CPU (central processing unit) is by this timer circuit, calculating is deposited Deng's control circuit from arbitrary medium and is sent test packets, in regular turn via a hub, an interchanger and another hub, received the required time by this another medium accesses control circuit, not having the required delivery time of traffic completely with the networking again is reference value, calculates its multiple, with this multiple as the whether crowded index of traffic on the networking.
In the stacked architecture that this double speed hub is formed, this CPU (central processing unit) will be given an order and be started this interchanger, and make the transducer of all the other double speed hubs in the stacked architecture keep closed condition, only this CPU (central processing unit) is through detecting and when judging this interchanger and breaking down, to close this interchanger immediately, and the interchanger in other double speed hubs that startup and this double speed hub pile up mutually, as the redundant interchanger, make this double speed hub that piles up mutually correctly finish the transmission work of packet information according to different transmission speeds by this redundant interchanger.
A kind of redundant switching method of double speed hub, this method is utilized a set CPU (central processing unit) in this double speed hub, it is characterized in that: CPU (central processing unit) is regularly sent test packets by a medium accesses control circuit, and make test packets be sent to another medium accesses control circuit via a hub, an interchanger and another hub in regular turn, mat detects the test packets that this another medium accesses control circuit received whether content is wrong again, or in time do not received, whether break down to judge this interchanger.
This CPU (central processing unit) can be by calculating by this medium accesses control circuit from sending test packets, entered control circuit to this test packets by another media and receive the required time, not having the required delivery time of traffic completely with the networking again is reference value, calculate its multiple, with this multiple as the whether crowded index of traffic on the networking.
In the stacked architecture that this double speed hub is formed, this CPU (central processing unit) will start this interchanger, and make the interchanger of all the other double speed hubs in the stacked architecture keep closed condition, when this CPU (central processing unit) is judged this interchanger and is broken down, to close this interchanger immediately, and startup and this double speed hub pile up the interchanger in this other double speed hub mutually, as the redundant interchanger, make on the networking and still can correctly finish transmission work with the packet information of friction speed transmission.
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiments.
Fig. 1 is a configuration diagram of commonly using the double speed hub of basic model;
Fig. 2 is a configuration diagram of commonly using intelligent double speed hub;
Fig. 3 is a stacked architecture synoptic diagram of commonly using the double speed hub;
Fig. 4 is the configuration diagram of the back-up exchange device of double speed hub of the present invention;
Fig. 5 is the stacked architecture synoptic diagram of the back-up exchange device of double speed hub of the present invention.
Referring to Fig. 4,5, the present invention is a kind of back-up exchange device and method of double speed hub, wherein this device is mainly by a CPU (central processing unit) 41 (as: RISC), one interchanger 42, with the hub 43 of speed transmission (in the present invention embodiment described later, hub with 10MEga bit speed transmission is the example explanation, only, during enforcement, be not limited thereto) and with the hub 44 of another speed transmission (among the embodiment behind the present invention, hub with 100MEga bit speed transmission is the example explanation, during concrete enforcement, be not limited thereto) etc. the unit form, wherein the hub 44 of the hub 43 of 10MEga bit speed and 100MEga bit speed respectively with double speed hub 4 on set receipts in several output inlets 45/send the circuit (not shown) to be connected, receipts in the output inlet 45/send circuit detecing side after the transmission speed of the network equipment (not shown) that is connected, can comply with its transmission speed respectively, with the packet information that received hub 43 by identical speed, 44, be sent to the network equipment of identical speed on other output inlet 45, detect side to exporting the network equipment that is connected on the inlet 45 if receive/send circuit, the packet information that desire transmits per second 10Mega bit (or 100Mega bit) speed, when being sent to the network equipment of per second 100Mega bit (or 10Mega bit) speed, promptly must adjust at different package transfer rates, guarantee normally to be transmitted packet information between the networking of different transfer rates by this interchanger 42.
Be provided with one in this double speed hub 4 in addition with the medium accesses control circuit 46 of 10Mega bit speed transmission and the medium accesses control circuit 47 of 100Mega bit speed transmission, by medium accesses control circuit 46,47 make this CPU (central processing unit) be connected with the hub 43 of this 10Mega bit speed and the hub 44 of 100Mega bit speed respectively, to read this two hub 43, NM network management data in 44 the chip, make this CPU (central processing unit) 41 according to this two hub 43, networking traffic in 44 the NM network management data, the NM network management package is passed through medium accesses control circuit 46 respectively, 47, be sent on the network equipment of corresponding speed.
Establish a timer circuit 48 in addition on this double speed line device 4 of the present invention, this CPU (central processing unit) 41 is by this timer circuit 48 (during the invention process, this timer circuit 48 also can directly design in this CPU (central processing unit) 41), regularly send test packets by arbitrary medium accesses control circuit 46 (or 47) in this double speed hub 4, and make this test packets in regular turn via a hub 43 (or 44), one interchanger 42 and another hub 44 (or 43), be sent to and another medium accesses control circuit 47 (or 46), content is wrong or in time do not received by detecting test packets that this another medium accesses control circuit received again for CPU (central processing unit) 41, to judge whether this interchanger 41 breaks down, and when this interchanger breaks down, system sends warning signal to NM network management, make NM network management person be carried out maintenance process at once, avoid packet information on transmitting, to miss, so can effectively improve the correctness of networking transmission and the efficient of system maintenance.
CPU (central processing unit) 41 also can be by this timer circuit 48, calculating is sent test packets from arbitrary medium accesses control circuit, in regular turn through a hub, this interchanger 42 and another hub, receive the required time and entered control circuit by another media, not having the required delivery time of traffic completely with the networking again is reference value, calculate its multiple, so, multiple is as the reference value of traffic on the networking according to this, the present invention is referred to as index, with the foundation of whether crowding as traffic on the judgement networking.
In the stacked architecture that this double speed hub 4 of the present invention is formed, referring to shown in Figure 5, this CPU (central processing unit) 41 in this double speed hub 4 will be given an order and be started this interchanger 42, and make the interchanger 52 of all the other double speed hubs 5 in the stacked architecture keep closed condition, only this CPU (central processing unit) 41 is through detecting and when judging this interchanger 42 and breaking down, this CPU (central processing unit) 41 is removed the NM network management system is sent warning signal, make NM network management person be carried out outside the maintenance process at once, and will close this interchanger 42 immediately, and the interchanger 52 in other double speed hub 5 that startup and this double speed hub pile up mutually, as the redundant interchanger, make this double speed hub that piles up mutually be able to, correctly finish the transmission work of packet information according to friction speed by this redundant interchanger.
Claims (6)
1, a kind of back-up exchange device of double speed hub, it comprises double speed hub and corresponding CPU (central processing unit), it is characterized in that: have speed transmission hub respectively with this double speed hub on set receipts in several output inlets/send circuit to be connected, receive/send circuit and detecing side after the transmission speed of the network equipment that is connected, can comply with its transmission speed respectively, the packet information that transmits is passed through this hub, be sent to other output inlet and go up on network equipment of identical speed transmission packet information, this hub also is connected with this CPU (central processing unit) by the medium accesses control circuit of an identical speed;
With the hub of another speed transmission respectively with this double speed hub on set receipts in several output inlets/send circuit to be connected, receive/send circuit and detecing side after the transmission speed of the network equipment that is connected, respectively according to its transmission speed, the packet information that transmits is passed through this another hub, be sent on the network equipment of identical speed transmission packet information on other port,input-output, this another hub also is connected with this CPU (central processing unit) by the medium accesses control circuit of an identical speed;
Detect the exchanger system of the network equipment that side connected to the output inlet and be connected in order to receive/to send circuit with this two hub, the packet information that desire transmits a certain speed, when being sent to the network equipment of another speed, adjust at different package transfer rates, guarantee that packet information correctly transmits between the networking of different transfer rates;
This CPU (central processing unit) is by regularly sending test packets by arbitrary medium accesses control circuit in this double speed hub, and make this test packets in regular turn via a hub, a hub during one interchanger reaches, be sent to another medium accesses control circuit, this CPU (central processing unit) is deposited the test packets that received with control circuit content is wrong or in time do not received by detecting this another medium again, to judge whether this interchanger breaks down, and when this interchanger breaks down, system sends warning signal to NM network management, make NM network management person be carried out maintenance process at once, avoid packet information on transmitting, to miss.
2, the back-up exchange device of double speed hub according to claim 1, it is characterized in that: this double speed hub is established a timer circuit in addition, this CPU (central processing unit) is by this timer circuit, calculating is deposited Deng's control circuit from arbitrary medium and is sent test packets, in regular turn via a hub, an interchanger and another hub, received the required time by this another medium accesses control circuit, not having the required delivery time of traffic completely with the networking again is reference value, calculate its multiple, with this multiple as the whether crowded index of traffic on the networking.
3, the back-up exchange device of double speed hub according to claim 1, it is characterized in that: in the stacked architecture that this double speed hub is formed, this CPU (central processing unit) will be given an order and be started this interchanger, and make the transducer of all the other double speed hubs in the stacked architecture keep closed condition, only this CPU (central processing unit) is through detecting and judging this interchanger and send out the transmission work of correctly finishing packet information.
4, a kind of redundant switching method of double speed hub, this method is utilized a set CPU (central processing unit) in this double speed hub, it is characterized in that: CPU (central processing unit) is regularly sent test packets by a medium accesses control circuit, and make test packets be sent to another medium accesses control circuit via a hub, an interchanger and another hub in regular turn, mat detects the test packets that this another medium accesses control circuit received whether content is wrong again, or in time do not received, whether break down to judge this interchanger.
5, the redundant switching method of double speed hub according to claim 4, it is characterized in that: this CPU (central processing unit) can be by calculating by this medium accesses control circuit from sending test packets, entered control circuit to this test packets by another media and receive the required time, not having the required delivery time of traffic completely with the networking again is reference value, calculate its multiple, with this multiple as the whether crowded index of traffic on the networking.
6, the redundant switching method of double speed hub according to claim 4, it is characterized in that: in the stacked architecture that this double speed hub is formed, this CPU (central processing unit) will start this interchanger, and make the interchanger of all the other double speed hubs in the stacked architecture keep closed condition, when this CPU (central processing unit) is judged this interchanger and is broken down, to close this interchanger immediately, and startup and this double speed hub pile up the interchanger in this other double speed hub mutually, as the redundant interchanger, make on the networking and still can correctly finish transmission work with the packet information of friction speed transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981014224A CN1137437C (en) | 1998-04-20 | 1998-04-20 | Back-up exchange device and method for douple speed concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB981014224A CN1137437C (en) | 1998-04-20 | 1998-04-20 | Back-up exchange device and method for douple speed concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1233018A true CN1233018A (en) | 1999-10-27 |
| CN1137437C CN1137437C (en) | 2004-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB981014224A Expired - Fee Related CN1137437C (en) | 1998-04-20 | 1998-04-20 | Back-up exchange device and method for douple speed concentrator |
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| CN (1) | CN1137437C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338579C (en) * | 2004-02-24 | 2007-09-19 | 希旺科技股份有限公司 | USB concentrator with built-in memory device |
| CN100359856C (en) * | 2003-12-26 | 2008-01-02 | 劲永国际股份有限公司 | A data transmission interfacing and serial bus interfacing apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7111080B2 (en) * | 2004-03-01 | 2006-09-19 | Cisco Technology, Inc. | Distributing an electronic signal in a stackable device |
-
1998
- 1998-04-20 CN CNB981014224A patent/CN1137437C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359856C (en) * | 2003-12-26 | 2008-01-02 | 劲永国际股份有限公司 | A data transmission interfacing and serial bus interfacing apparatus |
| CN100338579C (en) * | 2004-02-24 | 2007-09-19 | 希旺科技股份有限公司 | USB concentrator with built-in memory device |
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| Publication number | Publication date |
|---|---|
| CN1137437C (en) | 2004-02-04 |
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