CN102480410A - Single board for centralized business processing and virtualized resource dividing method - Google Patents
Single board for centralized business processing and virtualized resource dividing method Download PDFInfo
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Abstract
The invention provides a single board for centralized business processing and a virtualized resource dividing method, wherein the method is applied to a distributed physical device which is divided into more than two virtual devices (VD). The method comprises the steps as follows: setting an interface type of the single board for centralized business processing into a sharing type, setting the single board for centralized business processing to share in more than two VDs, and generating corresponding logic interfaces in more than two VDs according to the interface type of the single board for centralized business processing. In the invention, the sharing of the single board for centralized business processing among a plurality of VDs can be realized.
Description
Technical field
The present invention relates to the virtual network device technical field, relate in particular to a kind of centralized service and handle veneer and virtual resource dividing method.
Background technology
Virtualization is that a physical equipment is virtualized into independently virtual unit (VD) of many logics, shows from the family, and each VD shows the characteristics of a complete device, can accomplish the business function of a real equipment.The software space of each VD is called VD operating system (VD-OS), and application programs and user, each VD-OS are exactly an independently operating system.
A distributed physical equipment can be divided a plurality of VD, and the VD that marks off has following characteristics: each VD similarly is a real equipment for the user, comprises the CPU of oneself, internal memory, disk, network interface, configuration file, veneer resource, interface resource etc.; The veneer that each VD comprises maybe be inequality; Each VD is the set of one or more VD-OS.Be divided into the sketch map of a plurality of VD like Fig. 1 for distributed physical equipment in the prior art, in Fig. 1, distributed physical equipment is divided into 2 VD, i.e. VD1 and VD2, and wherein, VD1 comprises master control borad, standby plate, interface board 1 and interface board 2; VD2 comprises master control borad, standby plate and interface board 1.
When network equipment dilatation perhaps increases particular service, carry out professional enhancing through using centralized service to handle veneer.Handle in the network equipment that veneer connected in centralized service, the parts of the processing general service flow except that centralized service is handled veneer are referred to as the route switching parts.After centralized service processing veneer is inserted on the network equipment, at first take out a logic interfacing, the route switching parts drain into centralized service through this interface with flow exactly and handle on the veneer.Exist at present 2 kinds of centralized service to handle veneers, i.e. L3+ reinforcement plate and open application architecture (OAA) plate, below introduction respectively.
The L3+ reinforcement plate: as special interface board, the management of L3+ reinforcement plate ownership master control borad owing to be the intercommunication of equipment, can be carried the message descriptor to the L3+ reinforcement plate with the forwarding passage of inside.Like Fig. 2 is the forward-path sketch map of L3+ reinforcement plate in the prior art.The L3+ reinforcement plate has following operation characteristic: the L3+ reinforcement plate is taken out interface; Like interface NAT2/0; Certain interface and the interface NAT2/0 of incoming interface or outgoing interface place veneer bound in configuration, and the message that the message that expression is received from this interface perhaps sends is all drained on the L3+ reinforcement plate; The mode of drainage has being redirected or passes through three layers of forwarding, and the destination is the L3+ reinforcement plate; Flow is incorporated into before the L3+ reinforcement plate, and the forwarding chip of incoming interface place veneer has found outgoing interface, and can outgoing interface information be sent to the L3+ reinforcement plate through the message descriptor; After the L3+ reinforcement plate carries out Business Processing to the message of receiving, carry out message according to outgoing interface information and transmit.
The OAA plate: can on a network equipment, the form through plug-in card support multiple business, the OAA plate comprises front card and back card/back board.Wherein, the front card independent operating the system of oneself, communicates with the Ethernet message of route switching parts through standard; Back card/back board is an interface link, and its effect is to realize being connected of route switching parts and front card.Like Fig. 3 is the forward-path sketch map of OAA plate in the prior art.The OAA plate has following operation characteristic: physical interface is arranged on the back card/back board; Like interface Ten-GigabitEthernet2/0; This interface is connected with front card; The data channel that this connects as message has inner serial ports to be connected with front card as control channel in addition on the back card/back board, can log on front card through order line and manage; Back card/back board drains into message on the front card through the security domain configuration and handles, and drainage way has message mirror, is redirected or transmits; The OAA plate should carry out Business Processing to this flow, also need learn route; Result according to Business Processing transmits on the OAA plate, if desired message is carried out certain policy control, then will measure control law through the MIB agreement and be issued on the network equipment; Message forwarding path be on the route switching parts inbound port-＞the inline mouthful Ten-GigabitEthernet2/0 of back card/back board-＞interface on the front card-＞outbound port on the route switching parts.
At present, above-mentioned two kinds of centralized service are handled veneer all can only belong to a VD, can't accomplish sharing between a plurality of VD.
Summary of the invention
The invention provides a kind of centralized service and handle the virtual resource dividing method of veneer, can realize centralized service processing veneer sharing between a plurality of VD.
The present invention also provides a kind of centralized service to handle veneer, can realize centralized service processing veneer sharing between a plurality of VD.
Technical scheme of the present invention is achieved in that
A kind of centralized service is handled the virtual resource dividing method of veneer, is applied to be divided into the distributed physical equipment of 2 above VD, and this method comprises:
The interface type that centralized service is handled veneer is set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set;
The interface type of handling veneer according to this centralized service generates corresponding logic interfacing in said 2 above VD.
A kind of centralized service is handled veneer, be used for interface type and be set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set; Also be used in said 2 above VD, generating corresponding logic interfacing according to the interface type of this centralized service processing veneer.
It is thus clear that virtual resource dividing method that the present invention proposes and centralized service are handled veneer, adopt a plurality of logic interfacings to share a physical interface passage, thereby realize centralized service processing veneer sharing between different VD through the mode of sharing interface.
Description of drawings
Fig. 1 is divided into the sketch map of a plurality of VD for distributed physical equipment in the prior art;
Fig. 2 is the forward-path sketch map of L3+ reinforcement plate in the prior art;
Fig. 3 is the forward-path sketch map of OAA plate in the prior art;
The centralized service that Fig. 4 proposes for the present invention is handled the virtual resource dividing method flow chart of veneer;
Fig. 5 is virtual resource dividing method and the message forwarding process figure of the embodiment of the invention one based on the L3+ reinforcement plate;
Fig. 6 is virtual resource dividing method and the message forwarding process figure of the embodiment of the invention two based on the OAA plate;
Fig. 7 is that the message of the embodiment of the invention two is transmitted sketch map.
Embodiment
The present invention proposes the virtual resource dividing method that a kind of centralized service is handled veneer, after centralized service processing veneer takes out interface, the virtual resource of centralized service veneer is divided.Like the virtual resource dividing method flow chart of Fig. 4 for the centralized service processing veneer of the present invention's proposition, this method is applied to be divided into the distributed physical equipment of 2 above VD, may further comprise the steps:
Step 401: the interface type that centralized service is handled veneer is set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set;
Step 402: the interface type of handling veneer according to this centralized service generates corresponding logic interfacing in said 2 above VD.
Each above-mentioned VD all is logic separate equipment, and each VD can comprise master control borad, standby plate and/or interface board.
Through said method, can realize centralized service processing veneer sharing between a plurality of VD.Following illustrated in detail adopts said method can solve centralized service and handle the reason that veneer is shared between a plurality of VD.
At first, realize centralized service processing veneer sharing between a plurality of VD, need to solve 2 problems: 1) in different VD, message is carried out drainage; That 2) carries out on centralized traffic is handled veneer that message handles is virtual.
For L3+ reinforcement plate and OAA plate, the method that adopts the present invention to propose all can solve above 2 problems, and is concrete:
For the L3+ reinforcement plate:
To problem 1): in VD, after the formation logic interface, can adopt the mode identical to carry out the binding and the message drainage of interface with prior art.Particularly; In VD, may further include after the formation logic interface: the interface assignment on the route switching parts that the L3+ reinforcement plate is connected is in said VD; And bind with said logic interfacing, write down interface and the binding relationship of logic interfacing on the said route switching parts.
When the interface on the route switching parts receives message flow, can said packet stream redirection be arrived said L3+ reinforcement plate according to said binding relationship, and the information of the outgoing interface that said message flow is corresponding is sent to said L3+ reinforcement plate; The L3+ reinforcement plate is handled said message flow, and the message flow after handling is sent to the corresponding outgoing interface of said message flow.
To problem 2): because message forwarding is based on physical interface; And the physical interface of each forwarding only belongs to a VD; Carried the outgoing interface that this message sends in the message, so on the L3+ reinforcement plate, need not do special processing for virtual; Only need be the same with the common equipment of not supporting VD, carry out Business Processing based on message and get final product.
For the OAA plate:
To problem 1): in VD, after the formation logic interface, can adopt the mode identical to be configured and the message drainage with prior art.Particularly; In VD, may further include after the formation logic interface: a plurality of interface assignment of the route switching parts that the OAA plate is connected are in said VD; Configure user VLAN and outlet VLAN in said VD; Part interface in said a plurality of interfaces is joined user vlan, the remainder interface is joined outlet VLAN; Corresponding said user vlan of configuration and outlet VLAN on said logic interfacing.
When the front card of said OAA plate receives message flow, can handle said message flow, the message flow after handling is forwarded to back card/back board, said back card/back board forwards message flow.
To problem 2): message drains into the interface of front card from the back card/back board interface; On front card,, can find corresponding sub-interface according to the vlan information in the message; Can find suitable security strategy that message is handled, thereby it is virtual to realize that message is handled.And front card is stamped VLAN label (VLAN tag) through searching the outgoing interface that forwarding information base (FIB) table can find message on outgoing interface, message is sent to carries out two layers of common forwarding on the back card/back board.It is thus clear that, on the OAA plate, need not do special processing for virtual, only need equally with the common equipment of not supporting VD, carry out Business Processing based on message and get final product.
In addition, to the OAA plate (hereinafter to be referred as the IPS veneer) of realizing that IPS (IPS) is professional, it is virtual to realize that also message is handled.Reason is: on the IPS veneer, also can create virtual secure and establish affair, use different territory and access control list (ACL) policy configurations for different message, the VLAN that can send through the back card/back board interface distinguishes corresponding different security strategy.And the VD that virtual secure equipment of creating on the IPS veneer and route switching parts are created does not have and must concern, only for can distribute the different security policy service.
Below lifting concrete embodiment describes in detail to said method:
Embodiment one:
Like Fig. 5 is virtual resource dividing method and the message forwarding process figure of the embodiment of the invention one based on the L3+ reinforcement plate, after the L3+ reinforcement plate takes out interface NAT2/0, may further comprise the steps:
Step 501: the interface NAT2/0 that the L3+ reinforcement plate is set through configuration specifies this veneer in VD2 and VD3, to share for sharing type through configuration.
Step 502: behind configuration establishment VD2, in VD2, generate interface NAT2/0 according to the interface that should share type automatically.
Step 503: interface GigabitEthernet3/0 and GigabitEthernet4/0 on the route switching parts are assigned among the VD2.
Step 504: GigabitEthernet3/0 interface and NAT2/0 interface in VD2 on the configuration route switching parts are bound.The chip of route switching parts can write down list item, from the message that this interface is received, can be redirected to and carry out the professional conversion of NAT on the L3+ reinforcement plate.
Step 505: the message flow of receiving from GigabitEthernet3/0; Finding outgoing interface is GigabitEthernet4/0; Because the configuration of step 504, can be with this message redirecting to the L3+ reinforcement plate, and to carry message descriptor flag outgoing interface be GigabitEthernet4/0.
Step 506: after handling the NAT business on the L3+ reinforcement plate, the outgoing interface of message from the appointment of message descriptor sent.
Embodiment two:
Like Fig. 6 is virtual resource dividing method and the message forwarding process figure of the embodiment of the invention two based on the OAA plate, may further comprise the steps:
The front card of step 601:OAA plate is connected with complete machine through the interface unit of back card/back board.The route switching parts communicate through the interface GigabitEthernet2/0 and the preceding plug of back card/back board.
Step 602: the interface GigabitEthernet2/0 that back card/back board is set through configuration is for sharing type, and the user can specify this OAA plate in VD2 and VD3, to share through configuration.
Step 603: behind configuration establishment VD2, in VD2, create interface GigabitEthernet2/0 according to the interface that should share type automatically.
Step 604: interface GigabitEthernet3/1 and GigabitEthernet4/1 on the interface route replacement part are joined among the VD2.(application scenarios of supposing present embodiment is that the message from GigabitEthernet3/1 to GigabitEthernet4/1 is detected through IPS)
Step 605: configure user VLAN is VLAN3 in VD2, and outlet VLAN is VLAN4, respectively GigabitEthernet3/1 is joined VLAN3, and GigabitEthernet4/1 joins among the VLAN4.
Step 606: corresponding VLAN3 of configuration and VLAN4 on interface GigabitEthernet2/0.
Through above-mentioned configuration, just can message flow be incorporated into the front card of OAA plate through two layers of forwarding of route switching parts.
After the front card of step 607:OAA plate is handled message flow; Message flow is carried out three layers of forwarding; Find outgoing interface on the front card for the corresponding sub-interface of this message flow according to the VLAN tag of message flow, message flow is encapsulated corresponding VLAN tag and is sent to back card/back board.
Step 608: back card/back board is transmitted through two layers of common VLAN and is handled this message, finds corresponding outgoing interface through MAC+VLAN.
Like Fig. 7 is the message forwarding sketch map of the embodiment of the invention two.After front card received the message flow that VLAN tag is VLAN3, finding corresponding incoming interface according to VLAN tag3 was sub-interface GE.3; Afterwards, front card is handled message flow, and after disposing, front card is searched fib table, and obtaining corresponding outgoing interface is sub-interface GE.4; At last, front card changes the VLAN tag of message flow into VLAN4 according to sub-interface GE.4, and message flow is sent.
Two embodiment that the present invention is directed to L3+ reinforcement plate and OAA plate more than have been detailed, and visible, the virtual resource dividing method based on centralized service processing veneer that the present invention proposes all is suitable for for L3+ reinforcement plate and OAA plate.In above-mentioned two embodiment, the logic interfacing of sharing has adopted the interface name identical with physical interface, its objective is that the configuration logic interface can share between VD and duplicate.In other embodiments of the invention, the logic interfacing of sharing also can replace with sub-interface or other interface name
The present invention also proposes a kind of centralized service and handles veneer; This centralized service is handled the distributed physical equipment that veneer is applied to be divided into 2 above VD; Be used for interface type and be set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set; Also be used in said 2 above VD, generating corresponding logic interfacing according to the interface type of this centralized service processing veneer.
Above-mentioned centralized service is handled veneer can be the L3+ reinforcement plate; Perhaps, above-mentioned centralized service is handled veneer can also be the OAA plate, comprises front card and back card/back board.
To sum up visible; The centralized service that the present invention proposes is handled veneer and based on the virtual resource dividing method of this veneer; Adopt a plurality of logic interfacings to share a physical interface passage, solved centralized service through the mode of sharing interface and handled veneer sharing between different VD.The present invention all is suitable for for L3+ reinforcement plate and OAA plate.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (7)
1. a centralized service is handled the virtual resource dividing method of veneer, is applied to be divided into the distributed physical equipment of 2 above virtual unit VD, it is characterized in that said method comprises:
The interface type that centralized service is handled veneer is set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set;
The interface type of handling veneer according to this centralized service generates corresponding logic interfacing in said 2 above VD.
2. method according to claim 1 is characterized in that, said each VD all is logic separate equipment, and each VD comprises master control borad, standby plate and/or interface board.
3. method according to claim 1 and 2 is characterized in that, it is the L3+ reinforcement plate that said centralized service is handled veneer;
Saidly in VD, further comprise after the formation logic interface: the interface assignment on the route switching parts that the L3+ reinforcement plate is connected is in said VD; And bind with said logic interfacing, write down interface and the binding relationship of logic interfacing on the said route switching parts;
When the interface on the said route switching parts receives message flow, according to said binding relationship, said packet stream redirection is arrived said L3+ reinforcement plate, and the information of the outgoing interface that said message flow is corresponding is sent to said L3+ reinforcement plate; The L3+ reinforcement plate is handled said message flow, and the message flow after handling is sent to the corresponding outgoing interface of said message flow.
4. method according to claim 1 and 2 is characterized in that, it is open application architecture OAA plate that said centralized service is handled veneer, and said OAA plate comprises front card and back card/back board;
The interface type that said centralized service is handled veneer is set to share type: the interface type of the back card/back board in the OAA plate is set to share type;
Saidly in VD, further comprise after the formation logic interface: a plurality of interface assignment of the route switching parts that the OAA plate is connected are in said VD; Configure user virtual LAN VLAN and outlet VLAN in said VD; Part interface in said a plurality of interfaces is joined user vlan, the remainder interface is joined outlet VLAN; Corresponding said user vlan of configuration and outlet VLAN on said logic interfacing;
When the front card of said OAA plate receives message flow, said message flow is handled, the message flow after handling is forwarded to back card/back board, said back card/back board forwards message flow.
5. a centralized service is handled veneer; Be applied to be divided into the distributed physical equipment of 2 above virtual unit VD; It is characterized in that; Said centralized service is handled veneer and is used for, and interface type is set to share type, and it is shared in 2 above VD that said centralized service processing veneer is set; Also be used in said 2 above VD, generating corresponding logic interfacing according to the interface type of this centralized service processing veneer.
6. veneer according to claim 5 is characterized in that, it is the L3+ reinforcement plate that said centralized service is handled veneer.
7. veneer according to claim 5 is characterized in that, it is the OAA plate that said centralized service is handled veneer, comprises front card and back card/back board.
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Patentee after: Xinhua three Technology Co., Ltd. Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base Patentee before: Huasan Communication Technology Co., Ltd. |