CN104092605B - The router and the virtualization routing device of virtualization routing device are formed for stacking - Google Patents
The router and the virtualization routing device of virtualization routing device are formed for stacking Download PDFInfo
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Abstract
It is used to stack the router and the virtualization routing device that form virtualization routing device the invention discloses a kind of.In the present invention, stacking between router can be realized by the serial connection between the internal memory interference networks of each router, so as to, realize stacking each router memory source virtualization routing device in fusion, and then so that each router of stacking realizes the intercommunication in nuclear resource pond by the internal memory Internet combined together；Moreover, there was only one in each router stacked is configured with available management core rather than the equal configuration management core of every router, so that, the nuclear resource pond that each router of stacking communicates with each other realizes integral fusion in virtualization routing device.
Description
Technical field
The present invention relates to Stack Technology, more particularly to it is a kind of be used to stacking the router for forming virtualization routing device, with
And the virtualization routing device.
Background technology
In the prior art, many routers can be realized by Ethernet exchanging be stacked with and by stacking
Logically form a virtualization routing device.However, in the virtualization routing device formed is stacked, many routers are still
Each independent operation is individual without realizes mutual fusion, and which results in occurrence of a problem：
1st, for the ease of many routers of respective independent operating are carried out with resource management, prior art have to use with
Virtualize the integration software architecture that routing device is arrying main body, however, router correlation function ripe at present be all according to
Individuation software architectures of the Lai Yu using independent separate unit router as arrying main body is realized, if desired in virtualization route route
These ripe correlation functions are realized, can only be by being transplanted from individuation software architecture to the software function of integration software architecture
To realize, and software function transplanting construction cycle it is very long, so as to limit virtualization routing device function.
2nd, when independent router is with virtualization routing device mixed networking, the individuation that independent router is used
There certainly will be many difference between the integration software architecture that software architecture and virtualization routing device are used, this allows for mixing
Management and maintenance difficulties during networking are big, high cost.
3rd, many routers in virtualization routing device are each independent operation individual, therefore, these operation individuals
Between the factor such as coordination, interaction will influence to virtualize the stability and reliability of routing device.
The content of the invention
In view of this, it is used to stack the router and the void that form virtualization routing device the invention provides a kind of
Planization routing device, can realize the Resource Fusion between each router of stacking.
The present invention provide it is a kind of be used for stack formed virtualization routing device router, the router include internal memory,
Polycaryon processor and LI(link interface) is serially stacked, wherein：
In polycaryon processor have the nuclear resource pond comprising multiple nuclear unit, connect internal memory internal memory interference networks and
Connect the deserializer of internal memory interference networks；
The serial LI(link interface) that stacks connects internal memory interference networks by deserializer, for by with other routers
It is serial to stack the stacking that the router and other routers are realized in LI(link interface) connection；
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the nuclear resource pond of the polycaryon processor of the router provides management core and business core for virtualization routing device；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the nuclear resource pond of the polycaryon processor of the router provides business core for virtualization routing device.
Preferably, the router further comprises further having in management port and service port, and polycaryon processor
Connection management port and the I/O networks of service port；
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router provides management port and service port for virtualization routing device；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router provides service port for virtualization routing device and management port is given over into the standby of virtualization routing device
Management port.
Preferably：
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router virtualizes all business cores of routing device from the route for the management core configuration that virtualization routing device is provided
Device loading procedure；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router is preferential from active router loading procedure for the business core that virtualization routing device is provided.
Preferably：
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the internal memory of the router is preferentially accessed for all business cores of virtualization routing device；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router is configured as the preferential main road accessed in virtualization routing device for the business core that virtualization routing device is provided
By the internal memory of device；
Or,
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, all business cores of internal memory the machine of the router are preferentially accessed；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, the router is configured as the preferential internal memory for accessing the machine for the business core that virtualization routing device is provided.
Preferably：
Active router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, a nuclear unit in the nuclear resource pond of the polycaryon processor of the router is configured as virtualizing the management of routing device
Core, remaining nuclear unit are configured as virtualizing the business core of routing device；
Secondary router in the virtualization routing device formed when the router and other router overlappings and as stacking
When, all nuclear unit in the nuclear resource pond of the polycaryon processor of the router are configured as virtualizing the business of routing device
Core, or, a nuclear unit in the nuclear resource pond of the polycaryon processor of the router is configured as virtualizing routing device
Standby management core, remaining nuclear unit are configured as virtualizing the business core of routing device.
Preferably, further there is the quick distribution module of message, for this to be route in the polycaryon processor of the router
The message that the service port of device is received balancedly is distributed to all business cores in virtualization routing device.
Preferably, in the polycaryon processor of the router further have Encryption Decryption module, Compress softwares module and
Message depth detection module, any business core for being virtualized in routing device is called.
A kind of virtualization routing device that the present invention is provided, including at least two routers being stacked with, every route
Device includes internal memory, polycaryon processor and serially stacks LI(link interface)；
Wherein, in polycaryon processor have the nuclear resource pond comprising multiple nuclear unit, connect internal memory internal memory interference networks,
And the deserializer of connection internal memory interference networks；The serial LI(link interface) that stacks connects internal memory Internet by deserializer
Network, the stacking of the router and other routers is realized for being connected by the serial stacking LI(link interface) with other routers；
Also, one at least two described routers as active router, remaining be used as secondary router, virtualization
The management core of routing device is provided by active router, business core is provided jointly by active router and secondary router.
Preferably, every router further comprises management port and service port, and the multinuclear processing of every router
Further there is the I/O networks of connection management port and service port in device；
The management port of virtualization routing device is provided by active router, service port is total to by active router and secondary router
Management port with offer, also, secondary router gives over to the standby management port of virtualization routing device.
Preferably, active router will virtualize all business of routing device for the management core that virtualization routing device is provided
Caryogamy is set to preferential from active router loading procedure.
Preferably, all business cores of virtualization routing device preferentially access the internal memory of active router, or, virtualize road
As the internal memory of the router where each business core of equipment preferentially accesses its affiliated polycaryon processor.
Preferably：
A nuclear unit in the nuclear resource pond of the polycaryon processor of active router is configured as virtualizing routing device
Management core, remaining nuclear unit are configured as virtualizing the business core of routing device；
All nuclear unit in the nuclear resource pond of the polycaryon processor of secondary router are configured as virtualizing routing device
Business core, or, a nuclear unit in the nuclear resource pond of the polycaryon processor of secondary router is configured as virtualization route and set
Standby standby management core, remaining nuclear unit are configured as virtualizing the business core of routing device.
Preferably, further there is the quick distribution module of message in the polycaryon processor of active router and secondary router,
Message for the service port of the router to be received balancedly is distributed to all business cores in virtualization routing device.
Preferably, further there is Encryption Decryption module, compression in the polycaryon processor of active router and secondary router
Decompression module and message depth detection module, any business core for being virtualized in routing device are called.
As can be seen here, in the present invention, the stacking between router can be by the internal memory Internet of each router
Serial connection realization between network, so that, the memory source of each router of stacking is realized in virtualization routing device
Fusion, and then so that each router of stacking realizes the intercommunication in nuclear resource pond by the internal memory Internet combined together；
Moreover, there was only one in each router stacked is configured with available management core rather than the equal configuration management of every router
Core, so that, the nuclear resource pond that each router of stacking communicates with each other realizes integral fusion in virtualization routing device.
Brief description of the drawings
The example arrangement of virtualization routing devices of the Fig. 1 to be formed in the embodiment of the present invention by router overlapping is illustrated
Figure；
Preferred connected mode between many routers of the Fig. 2 to stack formation virtualization routing device as shown in Figure 1
Schematic diagram；
Fig. 3 is realizes the example logic schematic diagram of Resource Fusion in virtualization routing device as shown in Figure 1；
Fig. 4 is the schematic diagram for virtualizing the preferable procedure load mode in routing device as shown in Figure 1；
Fig. 5 a and Fig. 5 b are the schematic diagram for virtualizing the preferred internal storage access mode in routing device as shown in Figure 1；
Fig. 6 is adds the exemplary extended knot of the quick distribution mechanisms of message in virtualization routing device as shown in Figure 1
Structure schematic diagram；
Fig. 7 is adds the exemplary extended knot of COM Continuation of Message treatment mechanism in virtualization routing device as shown in Figure 1
Structure schematic diagram；
Fig. 8 is the void for possessing the quick distribution mechanisms of message as shown in Figure 6 and COM Continuation of Message treatment mechanism as shown in Figure 7
The example logic schematic diagram of Resource Fusion is realized in planization routing device.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
The present invention is further described.
The embodiment of the present invention is in order to avoid each router deficiency that each independent operating is triggered by stacking, it is intended to
Realize Resource Fusion of each router stacked in virtualization routing device.
Fig. 1 shows the virtualization routing device formed by two router overlappings, and every router therein includes many
Core processor, management port and service port, internal memory and serially stack LI(link interface).
Referring to has the nuclear resource pond comprising multiple Core (nuclear unit), connection management port in Fig. 1, polycaryon processor
And service port I/O networks, connect internal memory internal memory interference networks, be connected between I/O networks and internal memory interference networks
Internal memory is with I/O bridges and is connected the SERDES (SERializer/DESerializer, deserializer) of internal memory interference networks,
In addition, can also have many cachings in polycaryon processor, it is not shown in FIG. 1 herein for the purpose of simplifying the description；
Also, the serial LI(link interface) that stacks is by SERDES connection internal memory interference networks, for by with other routers
The connection of serial stacking LI(link interface) realize the stackings of the router and other routers.It should be noted that being only in Fig. 1
, can also be by more than two router overlappings in practical application by taking two router overlapping formation virtualization routing devices as an example
Virtualization routing device is formed, now, the serial stacking LI(link interface) of many routers can use Yi Santai as shown in Figure 2
Totally interconnected mode exemplified by router overlapping formation virtualization routing device, or using the cascade mode such as snakelike, annular,
But the interconnection mode of which kind of topological form no matter is used, the stacking between router can be realized.
That is, regardless of the quantity for stacking the router to form virtualization routing device, between each router
Stack can by between the internal memory interference networks of router low time delay serial connection realize so that, realize heap
Fusion of the memory source of each folded router in virtualization routing device, and then so that each router of stacking leads to
Cross the intercommunication that nuclear resource pond is realized in the internal memory Internet combined together.
Referring again to Fig. 1, there is a router as active router in virtualization routing device, remaining is then as secondary road
By device, active router and secondary router can be completed by the dynamic election between advance static configuration or router,
As to how realizing such static configuration or dynamic election, it may be referred to prior art and be achieved, here is omitted.
When active router occurs abnormal, secondary router can take over the role of active router, wherein, for more than two router heaps
The folded situation for forming virtualization routing device, secondary router also can be more than one, at this point it is possible to be set to more than one secondary router
Grade sequence is put, when active router occurs abnormal, active router is taken over by one secondary router of present level sequence highest
Role.
For virtualization routing device, its management core is provided by the nuclear resource pond of active router, business core is then by leading
The nuclear resource pond of router and secondary router is provided jointly, also, the management port of virtualization routing device is carried by active router
Then provided jointly by active router and secondary router for, service port.Wherein, with band in the nuclear resource pond of active router in Fig. 1
The Core for having hacures represents management core, and remaining Core in the nuclear resource pond of active router and secondary router not with hacures is then
Expression business core, also, be only that management core, active router and secondary road are configured as with a Core of active router in Fig. 1
It is each configured to by the every other Core in device exemplified by business core, but in practical application, except a Core quilt of active router
It is configured to outside management core, a Core of secondary router can also be configured as standby management core, then again by active router
Business core is configured to the every other Core in secondary router in addition to management core and standby management core, in order to secondary router
The abnormal active router of generation can be taken over as early as possible provides management core for virtualization routing device.
That is, regardless of the quantity for stacking the router to form virtualization routing device, virtualizing routing device
In only an active router be configured with available management core and be correspondingly equipped with available management interface rather than every road
Available management core and available management interface are configured by device, so that, virtualization router is according to identical with separate unit router
" management core, multi-service core " configuration frame formation resource pool so that communicated with each other between the router of stacking core money
Source pond realizes integral fusion in virtualization routing device.
Consequently, it is possible to which the Core in stacking the polycaryon processor to form every router for virtualizing routing device can
By the internal memory interference networks equality of the intercommunication between each router access other routers resource (at least including program,
Internal memory, interface etc.) so that all resources in virtualization routing device realize integral fusion, as shown in Figure 3.
Based on above-mentioned Resource Fusion, the scheme in the present embodiment can produce following beneficial effect compared to prior art
Really：
1st, the individuation software architecture using independent separate unit router as arrying main body only needs to improve on a small quantity to be applicable to
Router is virtualized, therefore, the ripe router correlation function realized based on individuation software architecture is without integral transplanting
It can be realized in virtualization router, so as to reduce function restriction of the software architecture difference to virtualization router.
2nd, when independent router is with virtualization router mixed networking, independent router and virtualization router can
To use similar software architecture, so that management and maintenance difficulties and cost when reducing mixed networking.
3rd, many routers in virtualization router are not related to the factors such as coordination, interaction between operation individual, so that
It can effectively ensure that the stability and reliability of virtualization router.
It should be noted that the Core of every router can equality access the resources of other routers and refer to access right
The equality of limit and access performance, without referring to balancedly access the resource of each router.
For example, Fig. 4 is referred to, in order to realize each router in compatible preferably fusion, virtualization routing device
In can unify from active router record program (such as BIOS program, application program) and run and it is nonessential from the machine difference
Loading procedure, correspondingly, the program in secondary router then may be used as backup, to be supplied after secondary router is promoted as active router
Other secondary router loadings.That is, active router will virtualize the institute of routing device for the management core that virtualization routing device is provided
There is business caryogamy to be set to preferential from active router loading procedure.Due to every router Core can equality access other roads
By the resource of device, therefore, either it is configured to be configured to business core in the Core of business core or secondary router in active router
Core, can be as from the program loading procedure realized the machine loading procedure from active router.
For another example refer to needs to store substantial amounts of information in Fig. 5 a, internal memory, such as various forward tables, statistical information, message
Caching, user journal etc., in order to reduce internal memory cost, all business cores of virtualization routing device can preferentially access main road
By the internal memory of device, the internal memory of secondary router then may be used as backup, with secondary for other after secondary router is promoted as active router
Router access.
Certainly, Fig. 5 b are referred to, each business core of virtualization routing device can also be accessed preferentially at its affiliated multinuclear
The internal memory in router where reason device, i.e. realize local first principle.
, can be according to the actual disposition situation of internal memory and any to the use demand of memory source in practical application
One kind in the two ways of selection as shown in figure 5 a and 5b；The preferred DIMM of internal memory (Dual Inline Memory
Module, dual inline memory module), in order to flexible configuration.In addition, for the forwarding and processing of message, it is above-mentioned
Equality accesses and may also be used for realizing load balancing.
For example, referring to Fig. 6, it can further set message fast in the polycaryon processor of active router and secondary router
Fast distribution module, the message for the service port of the router where it to be received balancedly is distributed to virtualization route and set
All business cores in standby.For example, when message reaches, the quick distribution module of message can be according to the idle shapes of all business cores
State, stores the head message transmission of message to these Business Processing cores, message payload into internal memory according to the principle of fair poll
(preferentially can be stored in the internal memory of active router).In practical application, the quick distribution module of message can be by polycaryon processor
In programmable hardware resource realize, or, message distribution can also be undertaken by nuclear resource pond a Core, is selected
The process performance of polycaryon processor can be reduced in the way of Core is as the quick distribution module of message.
That is, because the Core in the polycaryon processor of every router can be by between each router
The internal memory interference networks equality of intercommunication accesses the interface resource of other routers, thus can be made by the quick distribution module of message
The message that the business interface of virtualization routing device is received load balancing between the business core that each router is provided.
For example, referring to Fig. 7, can further have encryption solution in the polycaryon processor of active router and secondary router
Close module, Compress softwares module and message depth detection (Deep Packet Inspection) module, for being virtualized
Any business core in routing device is called, and the message payload being stored in internal memory can be by Encryption Decryption module, Compress softwares
Module and message depth detection module carry out corresponding processing operation.In practical application, Encryption Decryption module, Compress softwares
Module and message depth detection module can preferably be realized by the programmable hardware resource in polycaryon processor.
That is, because the Core in the polycaryon processor of every router can be by between each router
The internal memory interference networks equality of intercommunication accesses the memory source of other routers, thus the message payload deposited in internal memory can be by
The Encryption Decryption module in each router, Compress softwares module and message depth detection module is shared to be handled.
In addition, the quick distribution module of above-mentioned message, Encryption Decryption module, Compress softwares module and the inspection of message depth
Survey module and actually fall within the resource being fused, refer to Fig. 8.
Based on the present embodiment virtualization routing device in Resource Fusion, if every router possess 4 Core, 1
The quick distribution module of message, 1 Encryption Decryption module, 1 Compress softwares module and 1 message depth detection module, then by
The virtualization routing device of N platforms (N is the positive integer more than or equal to 2) router overlapping formation can just possess 2N-1 and be configured to
Business core, the quick distribution module of N number of message, N number of Encryption Decryption module, N number of Compress softwares module and the inspection of N number of message depth
Module is surveyed, so as to be realized and separate unit router architectures identical resource capacity expansion based on Resource Fusion.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements done etc. should be included within the scope of protection of the invention.
Claims (14)
1. a kind of be used to stack the router for forming virtualization routing device, it is characterised in that the router includes internal memory, multinuclear
Processor and LI(link interface) is serially stacked, wherein：
There is the nuclear resource pond comprising multiple nuclear unit, the internal memory interference networks for connecting internal memory and connection in polycaryon processor
The deserializer of internal memory interference networks；
The serial LI(link interface) that stacks connects internal memory interference networks by deserializer, for by serial with other routers
Stack the stacking that the router and other routers are realized in LI(link interface) connection；
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
The nuclear resource pond of the polycaryon processor of the router provides management core and business core for virtualization routing device；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
The nuclear resource pond of the polycaryon processor of the router provides business core for virtualization routing device.
2. router according to claim 1, it is characterised in that the router further comprises management port and business end
Mouthful, and further there is the I/O networks of connection management port and service port in polycaryon processor；
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router provides management port and service port for virtualization routing device；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router provides service port for virtualization routing device and management port is given over to the standby management of virtualization routing device
Port.
3. router according to claim 1, it is characterised in that
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router virtualizes all business cores of routing device from the router for the management core configuration that virtualization routing device is provided
Loading procedure；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router is preferential from active router loading procedure for the business core that virtualization routing device is provided.
4. router according to claim 1, it is characterised in that
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
The internal memory of the router is preferentially accessed for all business cores of virtualization routing device；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router for the business core that provides of virtualization routing device be configured as it is preferential access virtualize main road in routing device by
The internal memory of device；
Or,
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
The internal memory of the router is preferentially accessed for all business cores of the machine；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
The router is configured as the preferential internal memory for accessing the machine for the business core that virtualization routing device is provided.
5. router according to claim 1, it is characterised in that
When the active router in the router and other router overlappings and the virtualization routing device as stacking formation,
A nuclear unit in the nuclear resource pond of the polycaryon processor of the router be configured as virtualize routing device management core, its
Cokernel unit is configured as virtualizing the business core of routing device；
When the secondary router in the router and other router overlappings and the virtualization routing device as stacking formation,
All nuclear unit in the nuclear resource pond of the polycaryon processor of the router are configured as virtualizing the business core of routing device, or
A nuclear unit in person, the nuclear resource pond of the polycaryon processor of the router is configured as virtualizing the standby pipe of routing device
Reason core, remaining nuclear unit are configured as virtualizing the business core of routing device.
6. router according to claim 1, it is characterised in that further there is report in the polycaryon processor of the router
Literary quick distribution module, the message for the service port of the router to be received balancedly is distributed to virtualization routing device
In all business cores.
7. router according to claim 1, it is characterised in that further have in the polycaryon processor of the router and add
Close deciphering module, Compress softwares module and message depth detection module, for any business being virtualized in routing device
Core is called.
8. one kind virtualization routing device, it is characterised in that including at least two routers being stacked with, every router bag
Include internal memory, polycaryon processor and serially stack LI(link interface)；
Wherein, in polycaryon processor have the nuclear resource pond comprising multiple nuclear unit, connect internal memory internal memory interference networks and
Connect the deserializer of internal memory interference networks；The serial LI(link interface) that stacks connects internal memory interference networks by deserializer,
The stacking of the router and other routers is realized for being connected by the serial stacking LI(link interface) with other routers；
Also, one at least two described routers as active router, remaining be used as secondary router, virtualization route
The management core of equipment is provided by active router, business core is provided jointly by active router and secondary router.
9. virtualization routing device according to claim 8, it is characterised in that every router further comprises management end
Further there is the I/O of connection management port and service port in mouth and service port, and the polycaryon processor of every router
Network；
The management port of virtualization routing device is provided by active router, service port is carried jointly by active router and secondary router
For, also, the management port of secondary router gives over to the standby management port for virtualizing routing device.
10. virtualization routing device according to claim 8, it is characterised in that active router is virtualization routing device
All business caryogamy for virtualizing routing device are set to preferential from active router loading procedure by the management core of offer.
11. virtualization routing device according to claim 8, it is characterised in that all business of virtualization routing device
Core preferentially accesses the internal memory of active router, or, each business core of virtualization routing device is preferentially accessed at its affiliated multinuclear
The internal memory of router where reason device.
12. virtualization routing device according to claim 8, it is characterised in that
A nuclear unit in the nuclear resource pond of the polycaryon processor of active router is configured as virtualizing the management of routing device
Core, remaining nuclear unit are configured as virtualizing the business core of routing device；
All nuclear unit in the nuclear resource pond of the polycaryon processor of secondary router are configured as virtualizing the business of routing device
Core, or, a nuclear unit in the nuclear resource pond of the polycaryon processor of secondary router is configured as virtualizing routing device
Standby management core, remaining nuclear unit are configured as virtualizing the business core of routing device.
13. virtualization routing device according to claim 8, it is characterised in that the multinuclear of active router and secondary router
Further there is the quick distribution module of message, the message for the service port of the router to be received is balanced in processor
Ground is distributed to all business cores in virtualization routing device.
14. virtualization routing device according to claim 8, it is characterised in that the multinuclear of active router and secondary router
Further there is Encryption Decryption module, Compress softwares module and message depth detection module, for virtual in processor
Any business core changed in routing device is called.
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| CN105897576B (en) * | 2016-06-23 | 2019-08-30 | 中国电子科技集团公司第五十四研究所 | A kind of router design method of shared route test logic |
| CN106789533A (en) * | 2016-12-27 | 2017-05-31 | 福建三元达网络技术有限公司 | Method and its system that service channel with management passage separate |
| US11121922B2 (en) | 2017-10-02 | 2021-09-14 | Hewlett Packard Enterprise Development Lp | Automatic network assembly |
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