CN102045236B - Method, light layer devices and system for transmitting message - Google Patents
Method, light layer devices and system for transmitting message Download PDFInfo
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- CN102045236B CN102045236B CN2009101106286A CN200910110628A CN102045236B CN 102045236 B CN102045236 B CN 102045236B CN 2009101106286 A CN2009101106286 A CN 2009101106286A CN 200910110628 A CN200910110628 A CN 200910110628A CN 102045236 B CN102045236 B CN 102045236B
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Abstract
The embodiment of the invention provides a method for transmitting a message, which comprises the following steps: a first light layer device stores outlet label information of an LSP (Layered Service Provider) in a first router, inlet label information of the LSP in a second router and inlet interface address information of the LSP in the second router, and transmits the message of the LSP according to the stored information; the first light layer device establishes a direct light path to a third light layer device; and the first light layer device changes the inlet label information of the LSP in the second router into inlet label information of the LSP in a third router and changes the inlet interface address information of the LSP in the second router into inlet interface address information of the LSP in the third router so that the message of the LSP directly goes to the third light layer device through the direct light path while passing the first light layer device. The embodiment of the invention also provides light layer devices and a system for transmitting the message. Under the condition of no addition of router ports, the transmission of the message between two routers which are not adjacent originally is realized.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method that E-Packets, photosphere equipment and system.
Background technology
Along with the development of broadband technology, network size is increasing, and network configuration becomes increasingly complex; Network is more and more abundanter; Need analyze timely and accurately the service traffics and the flow direction, thereby the potentiality of excavation Internet resources are the network planning, optimization and improvement foundation.For the high-quality transmission that guarantees that some is professional, when reason has the packet loss behavior, need in time to change the traffic transmission path because flow pressure is excessive etc. at some router of business process.Multilayer traffic engineering (Traffic Engineering at router photoreactive layer equipment networking together; TE) in the network, can set up label switched path (Label Switch Path, LSP); Professional through the LSP transmission; Because pressure is crossed when having much packet loss, can carry out heavy-route when some router on the LSP, bypass the excessive router of flow pressure.
Bypass the middle router of LSP; Message is transmitted between original non-conterminous two routers; These two non-conterminous routers link to each other with its bottom photosphere equipment respectively, need on these two non-conterminous routers, increase new port in the prior art respectively to link to each other with its bottom photosphere equipment respectively, between two bottom photosphere equipment, set up direct optical path after; On the new port on these two non-conterminous routers, be configured; Form tie link, carry out the LSP heavy-route this moment, the realization message was being transmitted between original non-conterminous two routers.There is following shortcoming at least in existing message retransmission technique, needs to reserve router port photoreactive layer device port, need be configured port, need carry out the LSP heavy-route, complicated technology realization, and cost is higher.
Summary of the invention
The embodiment of the invention provides a kind of method that E-Packets, photosphere equipment and system, and with under the situation that does not increase router port, the realization message was being transmitted between original non-conterminous two routers.
The embodiment of the invention provides a kind of method that E-Packets; First router connects the first photosphere equipment; Third Road connects the 3rd photosphere equipment by device, and label switching path LSP arrives said Third Road by device through said first router, and the centre is passed through the secondary route device at least; Said LSP is said secondary route device through the next hop router of said first router, comprising:
The said first photosphere equipment preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving;
The said first photosphere equipment is established to the direct optical path of said the 3rd photosphere equipment;
The said first photosphere equipment changes to said LSP to said LSP at the go into label information of said Third Road by device at the label information of going into of said secondary route device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
The embodiment of the invention also provides a kind of photosphere equipment that E-Packets, and comprising:
Preserve module; Be used to preserve LSP and go into label information and said LSP incoming interface address information at the secondary route device at said secondary route device in the outgoing label information of first router that links to each other with said photosphere equipment, said LSP; Transmit the message of said LSP according to the information of preserving; Said LSP arrives said Third Road by device through said first router, and the centre is passed through the secondary route device at least, and said LSP is said secondary route device through the next hop router of said first router;
Direct optical path is set up module, is used to be established to the direct optical path of the photosphere equipment that is linked to each other by device with said Third Road;
The change module; Be used for changing to said LSP to said LSP at the go into label information of said Third Road at the label information of going into of said secondary route device by device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives the said photosphere equipment that is linked to each other by device with Third Road through said direct optical path when making through said photosphere equipment.
The embodiment of the invention also provides a kind of system that E-Packets, and comprising:
First router, secondary route device, Third Road are by device, the first photosphere equipment and the 3rd photosphere equipment;
Said first router connects the said first photosphere equipment; Said Third Road connects said the 3rd photosphere equipment by device; LSP arrives said Third Road by device through said first router; The centre is passed through said secondary route device at least, and said LSP is said secondary route device through the next hop router of said first router;
The said first photosphere equipment be used to preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving; Be established to the direct optical path of said the 3rd photosphere equipment; Change to said LSP to said LSP at the go into label information of said Third Road at the label information of going into of said secondary route device by device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
Can know that by above technical scheme the first photosphere equipment is established to the direct optical path of the 3rd photosphere equipment in the embodiment of the invention; The first photosphere equipment changes to LSP to LSP at the go into label information of Third Road by device at the label information of going into of secondary route device; Change to LSP to LSP in the incoming interface address information of Third Road in the incoming interface address information of secondary route device by device; The message of LSP passes through direct optical path directly to the 3rd photosphere equipment when making through the first photosphere equipment; Thereby bypass the secondary route device; Under the situation that does not increase router port, realized that message transmitting between original non-conterminous two routers.
Description of drawings
Fig. 1 is a kind of network architecture diagram of the embodiment of the invention;
Fig. 2 is a kind of flow chart of the embodiment of the invention;
Fig. 3 is a kind of sketch map of the embodiment of the invention;
Fig. 4 is the another kind of sketch map of the embodiment of the invention;
Fig. 5 is the another kind of flow chart of the embodiment of the invention;
Fig. 6 is a kind of photosphere equipment structure chart of the embodiment of the invention;
Fig. 7 is the another kind of photosphere equipment structure chart of the embodiment of the invention.
Embodiment
Below through specific embodiment and combine accompanying drawing that the present invention is done further detailed description.
Be convenient explanation; Fig. 1 is a kind of network topological diagram of the embodiment of the invention, comprises R0, R1, R2, R3, R4, R5, R6 totally seven routers, and N1, N2, N3, N4, N5, N6 be totally six photosphere equipment; Directly link to each other between R0 and the R1, link to each other through photosphere equipment between other routers; LSP1 and LSP2 totally two LSP are arranged on the network, and the source of LSP1, place router are respectively R0 and R4, and the intermediate router of LSP1 process is R1, R2 and R3, and the source of LSP2, place router are respectively R5 and R6, and the intermediate router of LSP2 process is R2; LSP1 is M10 in the outgoing interface address on the R1, be M20 in the incoming interface address on the R2, be M21 in the outgoing interface address on the R2, be M30 in the incoming interface address on the R3, be M31 in the outgoing interface address on the R3, the incoming interface address on R4 is M40; LSP2 is M50 in the outgoing interface address on the R5, be M22 in the incoming interface address on the R2, be M23 in the outgoing interface address on the R2, the incoming interface address on R6 is M60.Actual network certainly maybe be more complicated, but principle is identical.
Embodiment one
Present embodiment provides a kind of method that E-Packets; First router connects the first photosphere equipment; Third Road connects the 3rd photosphere equipment by device, and LSP arrives said Third Road by device through said first router, and the centre is passed through the secondary route device at least; Said LSP is said secondary route device through the next hop router of said first router, and this method that E-Packets can may further comprise the steps:
The said first photosphere equipment preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving;
The said first photosphere equipment is established to the direct optical path of said the 3rd photosphere equipment;
The said first photosphere equipment changes to said LSP to said LSP at the go into label information of said Third Road by device at the label information of going into of said secondary route device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
Wherein, the said first photosphere equipment is established to before the step of direct optical path of said the 3rd photosphere equipment, can also comprise:
The said first photosphere equipment receives the request from the direct optical path of said the 3rd photosphere equipment of being established to of server, carries said LSP in the described request and goes into label information and said LSP in said Third Road incoming interface address information by device at said Third Road by device in the outgoing label information of said first router, said LSP.
The said first photosphere equipment receives before the step from the request of the direct optical path of said the 3rd photosphere equipment of being established to of server, can also comprise:
Said server monitoring surpasses the flow preset value of said secondary route device to the flow of said secondary route device.
In the present embodiment; LSP through first router to Third Road by device, the centre is passed through the secondary route device at least, LSP is the secondary route device through the next hop router of first router; Secondary route device and Third Road are by comprising other router between the device; According to the method for present embodiment, when bypassing the secondary route device, also bypassed this other router.
The first photosphere equipment is established to the direct optical path of the 3rd photosphere equipment in the present embodiment; The first photosphere equipment changes to LSP to LSP at the go into label information of Third Road by device at the label information of going into of secondary route device; Change to LSP to LSP in the incoming interface address information of Third Road in the incoming interface address information of secondary route device by device; The message of said LSP passes through direct optical path directly to the 3rd photosphere equipment when making through the first photosphere equipment; Thereby bypass the secondary route device; Under the situation that does not increase router port, realized that message transmitting between original non-conterminous two routers.
Embodiment two
A kind of method that E-Packets, network topology is as shown in Figure 1, and R1 connects N1, and R3 connects N3, and to R3, middle LSP1 is R2 through the next hop router of R1 to LSP1 through R2 through R1, flow process is as shown in Figure 2, comprising:
S201, photosphere equipment N1 go up and preserve LSP1 and going into label information and the incoming interface address information of LSP1 on R2 in the outgoing label information on the R1, LSP1 on the R2.
In the present embodiment, it is as shown in table 1 that photosphere equipment N1 goes up the information of preserving:
| Outgoing label | Go into label | Incoming interface | |
| N1 | 100 | 200 | M20 |
Table 1
The message of LSP1 is gone up the information of preserving according to N1 and is carried out message forwarding during through N1, according to LSP1 on the R2 go into label information and the incoming interface address information of LSP1 on R2 sends to R2 with corresponding message, as shown in Figure 3.
S202, photosphere equipment N1 are established to the direct optical path of photosphere equipment N3.
In the present embodiment, the last flow of R2 is excessive to cause part message through R2 by packet loss, and the high-quality transmission for the message that guarantees LSP1 need bypass R2, makes LSP1 without R2.
In the present embodiment, the monitoring of network traffics is accomplished by server, and server can be realized on some routers, also can realize separately.LSP information in the server collection network and the information of LSP on each router.
LSP information can comprise source, place route-map, the route-map of each LSP process, the flow information of each LSP of each LSP etc., and is as shown in table 2:
| ?LSP | The route-map of process | Flow information |
| ?LSP1：R0->R4 | R0，R1，R2，R3，R4 | 500M |
| ?LSP2：R5->R6 | R5，R2，R6 | 300M |
Table 2
The information of LSP on each router can comprise the LSP that each router receives the incoming interface address information, go into label information, outgoing label information and flow information etc., as shown in table 3:
Table 3
Server judges according to the information of collecting whether the flow of each router is excessive, for example can adopt predetermined threshold value to judge whether the flow of router surpasses the mode of threshold value, and the flow that monitors R2 surpasses R2 flow preset value and can judge that flow is excessive.
In the present embodiment; Server judges that the flow on the R2 is excessive, and the high-quality transmission for the message that guarantees LSP1 need bypass R2; Make LSP1 without R2; Server is to the request that photosphere equipment N1 sends the direct optical path be established to photosphere equipment N3, can carry in the request LSP1 the outgoing label information of R1, LSP1 R3 go into label information and LSP1 incoming interface address information at R3, certainly; These information also can be preserved by photosphere equipment N1 in advance, and the trigger condition that photosphere equipment N1 is established to the direct optical path of photosphere equipment N3 also can be that photosphere equipment N1 is according to pre-conditioned completion.
Thereby because surpassing preset value, the flow of R2 need bypass R2 in the present embodiment, thus in other embodiments maybe be because the R2 failure and other reasons need bypass R2, and method is identical, repeats no more.
S203, photosphere equipment N1 change to LSP1 LSP1 and on R3, go into label information at the label information of going on the R2, change to the incoming interface address information of LSP1 on R3 to LSP1 in the incoming interface address information on the R2.
In the present embodiment, the information that photosphere equipment N1 goes up after the change is as shown in table 4:
| Go into label | Outgoing label | Incoming interface | |
| N1 | 100 | 300 | M30 |
Table 4
At this moment; When the message of LSP1 passes through N1; Information according to N1 go up to preserve is carried out message forwarding, according to LSP1 on the R3 go into label information and the incoming interface address information of LSP1 on R3 sends to R3 with corresponding message through direct optical path, directly arrive N3 through direct optical path when making the message of LSP1 through N1; Bypassed R2, as shown in Figure 4.
In the present embodiment, the last flow of R2 surpasses preset value, thereby need bypass R2; In another embodiment; Flow on R2 and the R3 is all above its preset value, thereby need bypass R2 and R3, so set up the direct optical path of N1 to N4; Photosphere equipment N1 changes to LSP1 LSP1 and on R4, goes into label information at the label information of going on the R2; Change to the incoming interface address information of LSP1 on R4 to LSP1 in the incoming interface address information on the R2, make the message of LSP1 directly arrive N4 through direct optical path when the N1, bypassed R2 and R3.
Photosphere equipment N1 is established to the direct optical path of photosphere equipment N3 in the present embodiment; Photosphere equipment N1 change LSP1 is that LSP1 goes into label information on R3 at the label information of going on the R2; Change LSP1 is the incoming interface address information of LSP1 on R3 in the incoming interface address information on the R2; Directly arrive photosphere equipment N3 through direct optical path when making the LSP1 message through photosphere equipment N1; Thereby bypass R2, under the situation that does not increase router port, realized that message transmitting between original non-conterminous two router R1 and R3.
Embodiment three
A kind of method that E-Packets, network topology such as Fig. 1 are said, and R5 connects N5, and R6 connects N6, and to R6, middle LSP2 is R2 through the next hop router of R5 to LSP2 through R2 through R5, flow process is as shown in Figure 5, comprising:
S501, photosphere equipment N5 go up and preserve LSP2 and going into label information and the incoming interface address information of LSP2 on R2 in the outgoing label information on the R5, LSP2 on the R2.
In the present embodiment, it is as shown in table 5 that photosphere equipment N5 goes up the information of preserving:
| Outgoing label | Go into label | Incoming interface | |
| N5 | 10 | 20 | M22 |
Table 5
The information that photosphere equipment N5 go up to preserve can be human configuration, also can for example R5, server etc. send over by other equipment.
The message of LSP2 is gone up the information of preserving according to N5 and is carried out message forwarding during through N5, according to LSP2 on the R2 go into label information and the incoming interface address information of LSP2 on R2 sends to R2 with corresponding message.
S502, photosphere equipment N5 are established to the direct optical path of photosphere equipment N6.
In the present embodiment, the last flow of R2 is excessive to cause part message through R2 by packet loss, and the high-quality transmission for the message that guarantees LSP2 need bypass R2, makes LSP2 without R2.
In the present embodiment, the monitoring of network traffics is accomplished by server, and server can be realized on some routers, also can realize separately.LSP information in the server collection network and the information of LSP on each router.
LSP information can comprise source, place route-map, the route-map of each LSP process, the flow information of each LSP of each LSP etc., and is as shown in table 6:
| LSP | The route-map of process | Flow information |
| LSP1：R0->R4 | R0，R1，R2，R3，R4 | 400M |
| LSP2：R5->R6 | R5，R2，R6 | 700M |
Table 6
The information of LSP on each router can comprise the LSP that each router receives the incoming interface address information, go into label information, outgoing label information and flow information etc., as shown in table 7:
Table 7
Server judges according to the information of collecting whether the flow of each router is excessive, for example can adopt predetermined threshold value to judge whether the flow of router surpasses the mode of threshold value, and the flow that monitors R2 surpasses R2 flow preset value and can judge that flow is excessive.
In the present embodiment; Server judges that the flow on the R2 is excessive, and the high-quality transmission for the message that guarantees LSP2 need bypass R2; Make LSP2 without R2; Server is to the request that photosphere equipment N5 sends the direct optical path be established to photosphere equipment N6, can carry in the request LSP2 the outgoing label information of R5, LSP2 R6 go into label information and LSP2 incoming interface address information at R6, certainly; These information also can be preserved by photosphere equipment N5 in advance, and the trigger condition that photosphere equipment N5 is established to the direct optical path of photosphere equipment N6 also can be that photosphere equipment N5 is according to pre-conditioned completion.
S503, photosphere equipment N5 change LSP2 is that LSP2 goes into label information on R6 at the label information of going on the R2, and change LSP2 is the incoming interface address information of LSP2 on R6 in the incoming interface address information on the R2.
In the present embodiment, the information that photosphere equipment N5 goes up after the change is as shown in table 8:
| Go into label | Outgoing label | Incoming interface | |
| N5 | 10 | 30 | M60 |
Table 8
At this moment; When the message of LSP2 passes through N5; Go up the information of preserving according to N5 and carry out message forwarding; According to LSP2 on the R6 go into label information and the incoming interface address information of LSP2 on R6 sends to R6 with corresponding message through direct optical path, make the message of LSP2 directly arrive N6 through direct optical path when the N5, bypassed R2.
Photosphere equipment N5 is established to the direct optical path of photosphere equipment N6 in the present embodiment; Photosphere equipment N5 change LSP2 is that LSP2 goes into label information on R6 at the label information of going on the R2; Change LSP2 is the incoming interface address information of LSP2 on R6 in the incoming interface address information on the R2; Directly arrive photosphere equipment N6 through direct optical path when making the LSP2 message through photosphere equipment N5; Thereby bypass R2, under the situation that does not increase router port, realized that message transmitting between original non-conterminous two router R5 and R6.
Embodiment four
Present embodiment provides a kind of photosphere equipment that E-Packets, and is as shown in Figure 6, comprising:
Direct optical path is set up module 602, is used to be established to the direct optical path of the photosphere equipment that is linked to each other by device with said Third Road;
Wherein, as shown in Figure 7, said photosphere equipment can also comprise:
In the present embodiment; LSP through first router to Third Road by device, the centre is passed through the secondary route device at least, LSP is the secondary route device through the next hop router of first router; Secondary route device and Third Road are by comprising other router between the device; Use the photosphere equipment of present embodiment, when bypassing the secondary route device, also bypassed this other router.
Direct optical path is set up the direct optical path that module is established to the photosphere equipment that is linked to each other by device with Third Road in the present embodiment; The change module changes to LSP to LSP at the go into label information of Third Road by device at the label information of going into of secondary route device; Change to LSP to LSP in the incoming interface address information of Third Road in the incoming interface address information of secondary route device by device; The message of said LSP directly arrives the photosphere equipment that is linked to each other by device with Third Road through direct optical path when making through photosphere equipment; Thereby bypass the secondary route device; Under the situation that does not increase router port, realized that message transmitting between original non-conterminous two routers.
Embodiment five
Present embodiment provides a kind of system that E-Packets, and comprising:
First router, secondary route device, Third Road are by device, the first photosphere equipment and the 3rd photosphere equipment;
Said first router connects the said first photosphere equipment; Said Third Road connects said the 3rd photosphere equipment by device; Label switching path LSP arrives said Third Road by device through said first router; The centre is passed through said secondary route device at least, and said LSP is said secondary route device through the next hop router of said first router;
The said first photosphere equipment be used to preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving; Be established to the direct optical path of said the 3rd photosphere equipment; Change to said LSP to said LSP at the go into label information of said Third Road at the label information of going into of said secondary route device by device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
Wherein, Said system can also comprise server; The said first photosphere equipment can also be used to receive the request from the direct optical path of said other photosphere equipment of being established to of this server, carries said LSP in the described request and goes into label information and said LSP in said Third Road incoming interface address information by device at said Third Road by device in the outgoing label information of said first router, said LSP.
In the present embodiment; LSP through first router to Third Road by device, the centre is passed through the secondary route device at least, LSP is the secondary route device through the next hop router of first router; Secondary route device and Third Road are by comprising other router between the device; According to the system of present embodiment, when bypassing the secondary route device, also bypassed this other router.
The first photosphere equipment is established to the direct optical path of the 3rd photosphere equipment in the present embodiment; Change to LSP to LSP at the go into label information of Third Road at the label information of going into of secondary route device by device; Change to LSP to LSP in the incoming interface address information of Third Road in the incoming interface address information of secondary route device by device; Pass through direct optical path when making the LSP message directly to the 3rd photosphere equipment through the first photosphere equipment; Thereby bypass the secondary route device, under the situation that does not increase router port, realized that message transmitting between original non-conterminous two routers.
Through the description of above execution mode, those skilled in the art can be well understood to each execution mode and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware.Based on such understanding; The part that technique scheme contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the computer-readable recording medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, perhaps network equipment etc.) carry out the described method of some part of each embodiment or embodiment.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (7)
1. method that E-Packets; First router connects the first photosphere equipment, and Third Road connects the 3rd photosphere equipment by device, and label switching path LSP arrives said Third Road by device through said first router; The centre is passed through the secondary route device at least; Said LSP is said secondary route device through the next hop router of said first router, it is characterized in that, comprising:
The said first photosphere equipment preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving;
The said first photosphere equipment is established to the direct optical path of said the 3rd photosphere equipment;
The said first photosphere equipment changes to said LSP to said LSP at the go into label information of said Third Road by device at the label information of going into of said secondary route device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
2. method according to claim 1 is characterized in that, the said first photosphere equipment is established to before the step of direct optical path of said the 3rd photosphere equipment, also comprises:
The said first photosphere equipment receives the request from the direct optical path of said the 3rd photosphere equipment of being established to of server, carries said LSP in the described request and goes into label information and said LSP in said Third Road incoming interface address information by device at said Third Road by device in the outgoing label information of said first router, said LSP.
3. method according to claim 2 is characterized in that, the said first photosphere equipment receives before the step from the request of the direct optical path of said the 3rd photosphere equipment of being established to of server, also comprises:
Said server monitoring surpasses the flow preset value of said secondary route device to the flow of said secondary route device.
4. a photosphere equipment that E-Packets is characterized in that, comprising:
Preserve module; Be used to preserve LSP and go into label information and said LSP incoming interface address information at the secondary route device at said secondary route device in the outgoing label information of first router that links to each other with said photosphere equipment, said LSP; Transmit the message of said LSP according to the information of preserving; Said LSP through said first router to Third Road by device, the centre is passed through the secondary route device at least, said LSP is said secondary route device through the next hop router of said first router;
Direct optical path is set up module, is used to be established to the direct optical path of the photosphere equipment that is linked to each other by device with said Third Road;
The change module; Be used for changing to said LSP to said LSP at the go into label information of said Third Road at the label information of going into of said secondary route device by device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives the said photosphere equipment that is linked to each other by device with Third Road through said direct optical path when making through said photosphere equipment.
5. photosphere equipment according to claim 4 is characterized in that, also comprises:
Receiver module; Be used to receive request, carry said LSP in the described request and go into label information and said LSP in the incoming interface address information of said Third Road at said Third Road by device by device in the outgoing label information of said first router, said LSP from the direct optical path that is established to the photosphere equipment that links to each other by device with said Third Road of server.
6. a system that E-Packets is characterized in that, comprising:
First router, secondary route device, Third Road are by device, the first photosphere equipment and the 3rd photosphere equipment;
Said first router connects the said first photosphere equipment; Said Third Road connects said the 3rd photosphere equipment by device; LSP arrives said Third Road by device through said first router; The centre is passed through said secondary route device at least, and said LSP is said secondary route device through the next hop router of said first router;
The said first photosphere equipment be used to preserve said LSP the outgoing label information of said first router, said LSP said secondary route device go into label information and said LSP incoming interface address information at said secondary route device, and transmit the message of said LSP according to the information of preserving; Be established to the direct optical path of said the 3rd photosphere equipment; Change to said LSP to said LSP at the go into label information of said Third Road at the label information of going into of said secondary route device by device; Change to said LSP to said LSP in the incoming interface address information of said Third Road by device in the incoming interface address information of said secondary route device, the message of said LSP directly arrives said the 3rd photosphere equipment through said direct optical path when making through the said first photosphere equipment.
7. system according to claim 6; It is characterized in that; Said system also comprises server; The said first photosphere equipment also is used to receive the request from the direct optical path that is established to other photosphere equipment of said server, carries said LSP in the described request and goes into label information and said LSP in said Third Road incoming interface address information by device at said Third Road by device in the outgoing label information of said first router, said LSP.
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| WO2014205792A1 (en) | 2013-06-28 | 2014-12-31 | 华为技术有限公司 | Method, apparatus and system for establishing optical bypass |
| CN103414580B (en) * | 2013-07-25 | 2016-12-07 | 北京华为数字技术有限公司 | Power-off protection method and system |
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| CN1897499A (en) * | 2006-05-30 | 2007-01-17 | 蔡然 | Light-network dynamic flow equilibrium technology by wireless light telecommunication |
| WO2008108984A2 (en) * | 2007-03-01 | 2008-09-12 | Soapstone Networks, Inc. | Software control plane for switches and routers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1897499A (en) * | 2006-05-30 | 2007-01-17 | 蔡然 | Light-network dynamic flow equilibrium technology by wireless light telecommunication |
| WO2008108984A2 (en) * | 2007-03-01 | 2008-09-12 | Soapstone Networks, Inc. | Software control plane for switches and routers |
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