CN101374096B - Virtual concurrent internet architecture - Google Patents
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Abstract
The invention relates to a virtual concurrent internet system structure which is characterized in that: the structure comprises a prior IP sub-network and a detectable, controllable and manageable IP sub-network. The prior IP sub-network is the aggregate of the prior large-scale commercial internet protocols and the data plane of the prior IP sub-network retains the layered structure of the prior internet. The detectable, controllable and manageable IP sub-network comprises a data plane, a knowledge plane, a control plane and a management plane. The data plane of the detectable, controllable and manageable IP sub-network retains the same layered structure as the prior Internet and shares the user application layer and the physical layer of the prior Internet. The two sub-networks achieve the effect of independent virtual coexistence by the virtualization techniques of the physical layer, and allow a user to independently select the desired service according to the need of the user by the user selection techniques of the user application layer. The four planes share the centrally-scheduled hardware resources such as link band width and processor and achieve the effects of virtual coexistence and mutual independence. The virtual concurrent internet system structure not only solves the measurement, control and management problems of the Internet but also completely retains the characteristics of transparency, convenience and best-effort service of the prior internet.
Description
Technical field
The present invention relates to a kind of internet architecture, particularly about a kind of internet architecture of virtual concurrent.
Background technology
Existing the Internet has transparent and feature easily, and the service of doing one's best is provided for people.Great success has been obtained in the past few decades in the Internet, has obtained using widely.But,, produced a lot of contradictions between the demand of existing the Internet system architecture and variation day by day along with the variation of internet, applications environment.Though the architecture of existing the Internet has the good transparency and interconnectivity, also brought the problem of aspects such as many measurements, management and control simultaneously, and limited some new application and development.Specifically, there is the problem of following measurement, control and management in existing the Internet:
1, network management complexity is easily made mistakes: the management of the Internet mainly comprises the network planning, equipment control and configuration management etc.Along with the continuous expansion of existing internet scale, the continuous increase and the complexity of agreement, network management and configuration item become more and more; Simultaneously, because the variation and the independence of management and configuration tool make network configuration management become complicated and difficult day by day.According to statistics, the network failure in the whole world 70% is to be caused by the behavior adjustment management error, wherein the accounting for more than 30% of causing by the configuration management error.
2, distributed indirect control mode: the control of the Internet mainly is meant route control, the control of existing the Internet mainly is to realize by distributed indirect mode, be specially the parameter of network manager, generate transmitting of router by distributed routing algorithm by the configuration Routing Protocol.The distributed routing convergence overlong time that caused, resume speed is slow when running into network failure, and its indirect causes being difficult to carry out of network control.
3, there are not independently management and control channel: the datum plane handle packet of existing the Internet, control plane produces routing table by distributed Routing Protocol, and management plane is configured and manages the agreement and the parameter of data plane and control plane.The packet of control plane, management plane transmits by the passage of datum plane, causes the control of network and management function to depend on datum plane.In case the datum plane avalanche, Network Management and controlled function also will lose, directly cause network uncontrollable, can not manage.
4, a little less than the network node measurement function: network node (switch, the router) measurement function of existing the Internet is very weak, and surveying work is mainly undertaken by terminal node, obtains the parameters such as time-delay, bandwidth, packet loss of network.But these parameters are very helpful for the control and the management of network node, therefore, need to strengthen the network measure function of existing the Internet.
For solving the measurable and controllable problem of managing of above the Internet, must be reconstructed existing the Internet, design the new measurable and controllable internet architecture of managing.But in order to solve the problem of measurable and controllable pipe, new the Internet will inevitably increase the new function of a large amount of measurements, control and management, and this may make, and existing the Internet is transparent, significant advantage loses gradually easily.And if make new the Internet possess transparent, the feature easily in existing the Internet as far as possible, must increase the difficulty and the complexity of new study Internet, restrict new Internet development.Simultaneously, can not accomplish in one move in new the Internet, and existing the Internet can not be discarded one day, and therefore, the compatibility issue of new the Internet and existing the Internet is inevitable.
Summary of the invention
At the problems referred to above, the objective of the invention is to propose a kind of internet architecture of virtual concurrent.
For achieving the above object, the present invention takes following technical scheme: a kind of internet architecture of virtual concurrent is characterized in that: it comprises existing IP subnet and the measurable and controllable IP of pipe subnet; The method of service of doing one's best is adopted in the set that described existing IP subnet is existing extensive commercial Internet protocol, and the hierarchy of its existing the Internet of datum plane preservation is constant; The described measurable and controllable IP of pipe subnet comprises datum plane, knowledge plane, control plane and management plane, and described datum plane keeps identical hierarchy and shared user application layer and physical layer with described existing IP subnet; The described measurable and controllable IP of pipe subnet and existing IP subnet are realized independent virtual concurrent by the Intel Virtualization Technology of physical layer, and select technology to make the user independently select described existing IP subnet or the measurable and controllable IP of pipe subnet according to the needs of oneself by the user of user application layer; Described knowledge plane, control plane, management plane and datum plane use hardware resources such as the unified link bandwidth of dispatching, processor, virtual concurrent and separate by virtualized method.
It is definition user application layer head in the IP packet that the user of described user application layer selects technology, comprise a SUB_NET field in the head and be used to identify selected service, described SUB_NET field has two kinds of values 0 and 1, if the user selects to use described existing IP subnet, the described SUB_NET field in the user application layer head in the IP packet of user's generation is changed to 0; Otherwise,, then described SUB_NET field is changed to 1 if the user selects the described measurable and controllable IP of pipe subnet; User application layer, then is forwarded to this packet described existing IP subnet and handles if described SUB_NET field is 0 by checking described SUB_NET field; Otherwise, this packet is forwarded to the described measurable and controllable IP of pipe subnet handles.
Described knowledge plane conduct is independently separated from described datum plane on the plane, form independently virtual subnet of logic, its major function is that the method by network measure is carried out intelligent perception and measurement to each layer of described datum plane, and carry out self study, form diverse network knowledge, form diverse network management and control decision in order to offer described management plane and control plane.
Described management plane conduct is independently separated from described datum plane on the plane, form the subnet of managing independently of logical separation, its major function is network management interface to be provided and to carry control strategy to described control plane to the user: on the one hand, described management plane is uploaded to the network manager with the enforcement running status of network, according to the network knowledge that described knowledge plane provides, formulate corresponding management strategy and method and flow to described control plane with the person of assisting management; On the other hand, described management plane receives and handles network manager's administration order, realizes the function of network management.
Described control plane conduct is independently separated from described datum plane on the plane, form the independent virtual subnet of logical separation, its major function is by control primitive described datum plane to be implemented control: the network knowledge that control strategy that comprehensive described management plane is carried and described knowledge plane provide, described control plane finally forms control principle, and described datum plane is controlled.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention's internet architecture of adopting existing IP subnet and the measurable and controllable IP of pipe subnet virtualization and depositing, not only keep the opening of existing Internet protocol, convenient, inexpensive characteristic, also support measurable and controllable gradual development tactics of managing new the Internet, thereby make that Internet development is the process of a gradual change, avoiding may be because the harmful effect that sudden change is caused.2, the present invention supports existing IP subnet and the measurable and controllable IP of pipe subnet simultaneously, existing IP subnet provides the service of doing one's best, the measurable and controllable IP of pipe subnet can provide certain QoS (Quality of Service, service quality) service of Bao Zhanging, and select technology by the user of user application layer, the user can independently select different subnets to satisfy the qos requirement of different business characteristic according to the required service type.3, datum plane hierarchy and the existing the Internet owing to the measurable and controllable IP of pipe subnet among the present invention is consistent, so, when the local nodes in the network has just been disposed the measurable and controllable IP of pipe subnet, packet still can transmit in network normally, thereby supports the gradual deployment of the measurable and controllable IP of pipe subnet.3, the separate virtual concurrent of knowledge plane of the present invention, control plane, management plane and datum plane, not only can reduce user data to measuring the influence of control and management function, improve the measurable and controllable characteristic of managing of network, simplify the design of user data plane.Simultaneously,, therefore, also have better fail safe, can develop independently that agreement realizes surveying, controlled and can manage function because knowledge plane, control plane and management plane are enjoyed independently resource and bandwidth.5, because existing IP subnet has had the physical transfer equipment that link bandwidth is big, area coverage is wide, the present invention supports existing IP subnet and the shared physical layer of the measurable and controllable IP of pipe subnet, the utilance of physical transport layer be can improve, thereby the laying and the operation cost of network reduced.6, the present invention transfers to existing IP subnet with the grade of service of doing one's best in the qos policy and finishes, thereby can the business of the measurable and controllable IP of pipe subnet not exerted an influence, and simplifies the qos policy design of new Internet protocol.In sum, the present invention had both solved the problem of the aspects such as measurement, control and management of existing IP subnet, can realize the gradual deployment and the development of the measurable and controllable IP of pipe subnet again, make Next Generation Internet both can develop into new network controlled, that can manage and can survey, keep the feature that existing the Internet is transparent, convenient and do one's best and serve again fully.
Description of drawings
Fig. 1 is an internet architecture schematic diagram of the present invention
Fig. 2 is that the present invention uses packet repeating process schematic diagram when having the IP subnet now
Fig. 3 is the present invention's packet repeating process schematic diagram when using the measurable and controllable IP of pipe subnet
Fig. 4 is each plane relation schematic diagram of the measurable and controllable IP of pipe subnet of the present invention
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Basic ideas of the present invention be development is measurable and controllable manage IP network in, keep the opening of existing IP network, convenient, inexpensive characteristic as far as possible, support the gradual deployment development tactics in the Internet.
Based on above basic ideas, the internet architecture (as shown in Figure 1) that the present invention proposes an existing IP subnet and the measurable and controllable IP of pipe subnet virtualization and deposit.Respectively the structure and the feature of existing IP subnet and the measurable and controllable IP of pipe subnet are set forth below.
1, existing IP subnet
Existing IP subnet is the set of existing extensive commercial Internet protocol, the method of service that employing is done one's best, for example OSPF (Open Shortest Path First, link-state routing protocol), BGP Routing Protocols such as (BorderGateway Protocol, Border Gateway Protocols).The hierarchy that the datum plane of existing IP subnet is preserved existing the Internet is constant, comprises physical layer, IP layer, transport layer and application layer.Technology and standard that concrete technology that existing IP subnet adopts and agreement are existing the Internet do not belong to protection scope of the present invention, so repeat no more.
2, the measurable and controllable IP subnet of managing
Compare with existing IP subnet, the measurable and controllable IP of pipe subnet has increased independently control plane, management plane and knowledge plane, and measurable and controllable datum plane of managing the IP subnet then keeps identical hierarchy and shared user application layer and physical layer with existing IP subnet.The present invention realizes the independent virtual concurrent of two subnets by the Intel Virtualization Technology of physical layer, and the user by user application layer selects technology to make the user specify as follows according to autonomous existing IP subnet or the measurable and controllable IP of the pipe subnet selected of the needs of oneself:
1) Intel Virtualization Technology of physical layer
Physical layer is existing IP subnet and the shared physical transfer aspect of the measurable and controllable IP of pipe subnet.The technology that physical layer can adopt has WDM (Wavelength Division Multiplexing, wavelength division multiplexing) and DWDM (DenseWavelength Division Multiplexing, intensive multiplexed optical wave with), and developing in intelligent light tranmission techniques.After the present invention carries out the resource in the physical layer virtual and quantizes, offer existing IP subnet and the measurable and controllable IP of pipe subnet and use, make these two networks can carry out shared effectively the resource of physical layer.Virtual and the quantization method of concrete physical layer resources is a prior art, does not belong to protection scope of the present invention, so repeat no more.
2) user of user application layer selects technology
User application layer belongs to the top of datum plane, shared for having IP subnet and the measurable and controllable IP subnet of managing now, its function is for the user provides the use network selection, makes the user to select different networks so that dissimilar services to be provided according to the demand of oneself.The present invention defines the user application layer head in the IP packet, comprise a SUB_NET field in the head and be used to identify selected service, the SUB_NET field can have two kinds of values 0 and 1, if the user selects to use existing IP subnet, the SUB_NET field in the user application layer head in the IP packet of user's generation is changed to 0; Otherwise,, then the SUB_NET field is changed to 1 if the user selects the measurable and controllable IP of pipe subnet.User application layer, then is forwarded to this packet existing IP subnet and handles if the SUB_NET field is 0 by checking its SUB_NET field, otherwise, this packet is forwarded to the measurable and controllable IP of pipe subnet handles.
The repeating process of packet in network when as shown in Figure 2, selecting to use existing IP subnet for the user.Suppose that user A adopts existing IP subnet to send data to user B.At first, user A is changed to 0 with the SUB_NET field that all send packet, enters user application layer then and handles; User application layer will add the head of this layer in the existing IP subnet, then packet is transmitted to existing IP subnet and handles; Existing IP subnet utilizes the transmission technology of shared physical transport layer as bottom in the process of transmitting packet; When data packet delivery arrives the network at purpose user B place, packet will arrive user application layer; User application layer finally is forwarded to purpose user B with packet.
The repeating process of packet in network when as shown in Figure 3, selecting to use the measurable and controllable IP of pipe subnet for the user.Suppose that user A adopts the measurable and controllable IP of pipe subnet to send data to user B.At first, user A is changed to 1 with the SUB_NET field that all send packet, enters user application layer then and handles; User application layer is transmitted to packet the measurable and controllable IP of pipe subnet then and handles adding measurable and controllable this layer head of managing the IP subnet; The measurable and controllable IP subnet of managing utilizes the transmission technology of shared physical transport layer as bottom in the process of transmitting packet; When data packet delivery arrived the network at purpose user B place, the measurable and controllable IP of pipe subnet was returned to user application layer with packet; User application layer finally is forwarded to purpose user B with packet.
Measurable and controllable knowledge plane, control plane, management plane and datum plane of managing the IP subnet uses hardware resources such as the unified link bandwidth of dispatching, processor by virtualized method, virtual concurrent and separate, to improve the measurability of the measurable and controllable IP of pipe subnet, controllability and manageability.Describe measurable and controllable structure and function of managing each plane of IP subnet below in detail.
1) as shown in Figure 1, at datum plane, measurable and controllable IP subnet and the existing IP subnet of managing be with separate subnet mode virtual concurrent, and for supporting the strategy of the progressive development in the Internet, and the measurable and controllable IP subnet data flow of managing can be in the mode of stacked (overlay) by existing IP subnet node.It is consistent with existing IP subnet that the data packet format of datum plane and retransmission technique can keep, and also can use with high efficiency datum plane technology to improve the network performance of new the Internet.
2) control plane is carried out the diverse network controlled function, comprises the change etc. of special processing, exchange and routing mode of enforcement adjustment, the data flow of link bandwidth, thereby satisfies certain specific requirement.Control realizes by the scheduling of unified Internet resources sheet.The control conduct is independently separated from datum plane on the plane, forms the independent virtual subnet of logical separation, and the control subnet is not subjected to the influence of other subnets, thereby guarantees the reliability and the real-time of control.
3) management plane is finished the management functions such as configuration, fault, performance, safety and charging to the network equipment.The management conduct is independently also separated from datum plane on the plane, forms the subnet of managing independently of logical separation, is not subjected to the influence of other subnets, thereby guarantees the reliability and the real-time of management.
4) knowledge plane is a separate planes in the measurable and controllable IP of the pipe subnet, its major function is intelligent perception and the measurement to network state, and form diverse network knowledge, form diverse network management and control decision in order to offer Network Management and control plane.The major function of knowledge plane comprise to the various measurement data of network filter, classification and fusion treatment, to network behavior learn, analysis and reasoning.The knowledge plane of network will need to handle the metrical information of a large amount of network data plane.In this system, knowledge plane is also separated from datum plane, forms independently virtual subnet of logic.
Therefore, knowledge plane, control plane and management plane are coordinated with unified, the basis of the Network Management Function of management plane is the measurement data of knowledge plane and the diverse network knowledge of formation, the enforcement of management plane then is control plane, and the basic task of management plane is to make a strategic decision accordingly and optimize, and the three interdepends, supports mutually.Datum plane is served in management plane, knowledge plane and control plane unification, the common cooperation in four planes with improve the surveying of network, can manage, controlled and characteristic such as QoS assurance arranged.As shown in Figure 4, the interface and the reciprocal process that outwards provide of each plane is described below:
1) datum plane provides data transfer interface to the user: the user sends business data packet by the transmission data-interface that calls datum plane and provide in network, receive the data-interface reception from output packet by calling, realize the function of network data communication; Wherein, datum plane inside has the general utility functions of datum planes such as packet forwarding, Packet Filtering.
2) knowledge plane obtains network knowledge to datum plane: by the method (comprise and initiatively measuring and passive measurement) of utilization diverse network measurement, knowledge plane is measured and perception each layer on data plane, and carry out self study, form network knowledge, and network knowledge is sent to management plane and control plane use.
3) management plane provides network management interface to the user: on the one hand, management plane is uploaded to the network manager with the real-time running state of network, formulates corresponding management strategy and method with the person of assisting management; On the other hand, management plane receives and handles network manager's administration order, realizes the function of network management.
4) management plane is carried control strategy to control plane: by handling network manager's administration order, according to the network knowledge that knowledge plane provides, management plane draws the control strategy of whole network and flows to control plane; Control plane is implemented control by control primitive to the data plane: the network knowledge that control strategy that carry on the integrated management plane and knowledge plane provide, control plane finally forms control principle, and the data plane is controlled.
The present invention only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; on the basis of technical solution of the present invention; all improvement and equivalents of individual component being carried out according to the principle of the invention all should not got rid of outside protection scope of the present invention.
Claims (5)
1. the internet system of a virtual concurrent is characterized in that: it comprises existing IP subnet and the measurable and controllable IP of pipe subnet; The method of service of doing one's best is adopted in the set that described existing IP subnet is existing extensive commercial the Internet, and the hierarchy of its existing the Internet of datum plane preservation is constant;
The described measurable and controllable IP of pipe subnet comprises datum plane, knowledge plane, control plane and management plane, and described datum plane keeps identical hierarchy and shared user application layer and physical layer with described existing IP subnet; Described knowledge plane conduct is independently separated from described datum plane on the plane, forms independently virtual subnet of logic; Described management plane conduct is independently separated from described datum plane on the plane, forms the subnet of managing independently of logical separation; Described control plane conduct is independently separated from described datum plane on the plane, forms the independent virtual subnet of logical separation;
The described measurable and controllable IP of pipe subnet and existing IP subnet are realized independent virtual concurrent by the Intel Virtualization Technology of physical layer, and select technology to make the user independently select described existing IP subnet or the measurable and controllable IP of pipe subnet according to the needs of oneself by the user of user application layer; It is definition user application layer head in the IP packet that the user of described user application layer selects technology, comprise a SUB_NET field in the head and be used to identify selected service, described SUB_NET field has two kinds of values 0 and 1, if the user selects to use described existing IP subnet, the described SUB_NET field in the user application layer head in the IP packet of user's generation is changed to 0; Otherwise,, then described SUB_NET field is changed to 1 if the user selects the described measurable and controllable IP of pipe subnet; User application layer, then is forwarded to this packet described existing IP subnet and handles if described SUB_NET field is 0 by checking described SUB_NET field; Otherwise, this packet is forwarded to the described measurable and controllable IP of pipe subnet handles;
Described measurable and controllable knowledge plane, control plane, management plane and datum plane of managing the IP subnet uses unified link bandwidth and the processor of dispatching, virtual concurrent and separate by virtualized method.
2. the internet system of a kind of virtual concurrent as claimed in claim 1, it is characterized in that: the major function of described knowledge plane is that the method by network measure is carried out intelligent perception and measurement to each layer of described datum plane, and carry out self study, form diverse network knowledge, form diverse network management and control decision in order to offer described management plane and control plane.
3. the internet system of a kind of virtual concurrent as claimed in claim 1 or 2, it is characterized in that: the major function of described management plane is network management interface to be provided and to carry control strategy to described control plane to the user: on the one hand, described management plane is uploaded to the network manager with the enforcement running status of network, according to the network knowledge that described knowledge plane provides, formulate corresponding management strategy and method and flow to described control plane with the person of assisting management; On the other hand, described management plane receives and handles network manager's administration order, realizes the function of network management.
4. the internet system of a kind of virtual concurrent as claimed in claim 1 or 2, it is characterized in that: the major function of described control plane is by control primitive described datum plane to be implemented control: the network knowledge that control strategy that comprehensive described management plane is carried and described knowledge plane provide, described control plane finally forms control principle, and described datum plane is controlled.
5. the internet system of a kind of virtual concurrent as claimed in claim 3, it is characterized in that: the major function of described control plane is by control primitive described datum plane to be implemented control: the network knowledge that control strategy that comprehensive described management plane is carried and described knowledge plane provide, described control plane finally forms control principle, and described datum plane is controlled.
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| CN102231709B (en) * | 2011-07-04 | 2013-07-10 | 清华大学 | Control plane structure of virtual routing device and control method thereof |
| CN103229468B (en) | 2012-11-19 | 2016-05-25 | 华为技术有限公司 | Packet-switched resources distribution method and equipment |
| CN105515822A (en) * | 2015-11-24 | 2016-04-20 | 武汉邮电科学研究院 | Internet architecture driven by big data and realization method |
| US10187263B2 (en) * | 2016-11-14 | 2019-01-22 | Futurewei Technologies, Inc. | Integrating physical and virtual network functions in a service-chained network environment |
| CN110958144B (en) * | 2019-11-29 | 2021-06-22 | 腾讯科技（深圳）有限公司 | Method and device for acquiring network |
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| EP1487151A2 (en) * | 2003-04-17 | 2004-12-15 | Alcatel | Labeling gateway for compartmented multi-operator network elements over a heterogeneous network |
| CN1949776A (en) * | 2006-11-10 | 2007-04-18 | 清华大学 | 4 over 6 tunnel packing and depacking method for extending boundary gateway protocol |
| CN1976313A (en) * | 2006-09-19 | 2007-06-06 | 中国人民解放军国防科学技术大学 | High performance router routing protocol distribution parallel realizing method |
| CN101047564A (en) * | 2006-03-31 | 2007-10-03 | 武汉烽火网络有限责任公司 | Network communication equipment platform and method for implementing high reliability on it |
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| EP1487151A2 (en) * | 2003-04-17 | 2004-12-15 | Alcatel | Labeling gateway for compartmented multi-operator network elements over a heterogeneous network |
| CN101047564A (en) * | 2006-03-31 | 2007-10-03 | 武汉烽火网络有限责任公司 | Network communication equipment platform and method for implementing high reliability on it |
| CN1976313A (en) * | 2006-09-19 | 2007-06-06 | 中国人民解放军国防科学技术大学 | High performance router routing protocol distribution parallel realizing method |
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