CN101483574A - Network system, method and network appliance for providing service by the network system - Google Patents
Network system, method and network appliance for providing service by the network system Download PDFInfo
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Abstract
The invention relating to the overlay network technology in the field of communication discloses a network system and a method of providing services by the network system and network appliances thereof for solving unnecessary cross-network flow in a carrying network. The network system comprises more than one network appliances supporting P2P technique, the network appliances belongs to different physics network management fields, the network appliances of each physics network management field make up of a P2P overlay network respectively, and the P2P overlay networks form a P2P overlay network system. The invention also provides a method of providing services by the network system and network appliances thereof, and the method and the network appliances are both applied in a P2P overlay network system.
Description
Technical field
The present invention relates to the stacking network technology in the communications field, relate in particular to a kind of network system and provide the service method and the network equipment by this network system.
Background technology
Stacking network (Overlay Network) technology is meant in order to realize specific function, increases extra, a virtual network on one or more already present lower floors network (for example physical network or logical network).Though, in lower floor's network of described Overlay network, there are a lot of physical links, but, because the node of described Overlay network can be regarded as by virtual or logical links couples together, and described virtual or logical links is not corresponding one by one with physical pathway, so, can utilize the virtual property of Overlay network on existing network, can realize the function that bearer network is difficult to realize, for example, message route or topology maintenance etc.
Though adopted the Overlay network to make up the virtual P2P network of one deck on basis, existing the Internet, there are the following problems at least in the prior art:
1, P2P Overlay network is without the perception physical network, just utilize network to greatest extent, lack QoS (service quality) mechanism, when stacking network provides service for the user, bring some unnecessary inter-network flows to bearer network, and the P2P flow is unordered and can not manages, and makes existing bearer network bear very big pressure, causes network performance low.
2, the service of P2P stacking network is not that nearby principle according to physical network carries out, and as shown in Figure 1, user A and user B geographic distance are nearer, are in the same physical region 1; User A and user D geographic distance are far away, are not in same physical region, and user D is in the physical region 2.Suppose that user A need download a file, user B and user D store this document, and user A both can obtain this document from user B, also can obtain this document from user D.Under existing stacking network model, user A will obtain this document from D, causes unnecessary flow in the backbone network like this, and these flows have a big chunk can to merge or not need by backbone network in bearer network.
Summary of the invention
On the one hand, embodiments of the invention provide a kind of network system, can reduce inter-network flow unnecessary in the bearer network.
For achieving the above object, the technical scheme that the embodiment of the invention adopts is:
A kind of network system, the network equipment that comprises more than one support P2P technology, the described network equipment belongs to different physical network management territories, the network equipment in described each physical network management territory constitutes the P2P stacking network respectively, constitutes P2P stacking network system by described each P2P stacking network.
The embodiment of the invention constitutes the P2P stacking network respectively by the network equipment that will belong to different physical network managements territory, make P2P stacking network and physical network management territory set up corresponding relation, thereby realize the coupling of P2P stacking network and physical network, when service is provided, the network equipment receives service request, preferentially the P2P stacking network by this network equipment physical network management of living in territory correspondence provides service, service search and traffic transport are controlled in the specific stacking network, reduced the flow of backbone network, solve inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
On the other hand, a kind of service method that provides is provided embodiments of the invention, can reduce inter-network flow unnecessary in the bearer network.
For achieving the above object, the technical scheme that the embodiment of the invention adopts is:
A kind of service method that provides comprises step:
Support the network equipment of P2P technology to receive service request information;
Provide service according to described service request information in the P2P stacking network of the described network equipment under it, wherein, described P2P stacking network is that the network equipment of the support P2P technology in the network equipment physical network management of living in territory of described support P2P technology constitutes.
The embodiment of the invention provides provides service method, support the network equipment of P2P technology to receive service request information, provide service according to described service request information in the P2P stacking network of the described network equipment under it, service search and traffic transport are controlled in the specific stacking network, reduced the flow of backbone network, solve inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
On the one hand, embodiments of the invention provide a kind of network equipment that service is provided, and can reduce inter-network flow unnecessary in the bearer network again.
For achieving the above object, the technical scheme that the embodiment of the invention adopts is:
A kind of network equipment that service is provided, the described network equipment is supported the P2P technology, comprising:
The request receiver module is used to receive service request information;
Service providing module, be used for providing service according to described service request information in the P2P stacking network under the described network equipment, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the described network equipment physical network management of living in territory.
The network equipment that service is provided that the embodiment of the invention provides, the described network equipment is supported the P2P technology, when service is provided, receive service request information by the request receiver module, by providing service according to described service request information in the P2P stacking network of service providing module under the described network equipment, wherein said P2P stacking network is to support the network equipment of P2P technology to constitute in the described network equipment physical network management of living in territory; Service search and traffic transport are controlled in the specific stacking network, reduce the flow of backbone network, solved inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
Description of drawings
Fig. 1 is prior art stacking network and the physical network schematic diagram when not matching;
Fig. 2 is the network system schematic diagram that the embodiment of the invention makes up;
Fig. 3 is that an actual physics network management domain is divided schematic diagram;
Fig. 4 is the different levels P2P stacking network schematic diagram that the embodiment of the invention provides;
Fig. 5 is the schematic diagram of embodiment of the invention P2P stacking network level splitting scheme 1;
Fig. 6 is the schematic diagram of embodiment of the invention P2P stacking network level splitting scheme 2;
Fig. 7 is the schematic diagram of embodiment of the invention P2P stacking network level splitting scheme 3;
Fig. 8 is the flow chart that service method is provided that the embodiment of the invention provides;
Fig. 9 is the structural representation of the network equipment that service is provided that provides of the embodiment of the invention.
Embodiment
In order to solve inter-network problems of liquid flow unnecessary in the bearer network, the embodiment of the invention provides a kind of network system and provides the service method and the network equipment by this network system, below in conjunction with accompanying drawing the embodiment of the invention is elaborated.
The network system that the embodiment of the invention provides, the network equipment that comprises more than one support P2P technology, the described network equipment belongs to different physical network management territories, the network equipment in described each physical network management territory constitutes the P2P stacking network respectively, constitutes P2P stacking network system by described each P2P stacking network.As shown in Figure 2, physical network comprises a plurality of network equipments, belong to physical network management territory A and physical network management territory B respectively, corresponding to this physical network, stacking network is divided into stacking network a and stacking network b, the network equipment among the A of physical network management territory constitutes stacking network a, and the network equipment among the B of physical network management territory constitutes stacking network b.
According to the transmission medium difference of geographic distance or framework, physical network can be divided into different physical network management domain hierarchys such as local area network (LAN), metropolitan area network, wide area network.Wherein, local area network (LAN) LAN (Local AreaNetwork) is meant in a certain zone the computer set by many interconnected one-tenth of computer." a certain zone " refers to same office, same building thing, same company and same school etc., generally is in several kms of circumference.Metropolitan area network MAN (Metropolitan Area Network) is a kind of large-scale LAN, usually use the technology similar to LAN, the important use of MAN is as backbone network, by it will be positioned at--the main frame of different location, city, database, and LAN etc. links up mutually.Wide area network WAN (Wide AreaNetwork) is a kind of set big, regional computer network of crossing over.Usually cross over province, city even a country.Wide area network comprises big and small different subnet, and subnet can be a local area network (LAN), also can be small-sized wide area network.
As shown in Figure 3, the physical network of East China is divided into three physical network management domain hierarchys.Ground floor is a local area network (LAN), comprises zone, four physical management territories: rain flower physical region, Jiangning physical region, newly developed area physical region and garden physical region; The second layer is a metropolitan area network, comprises zone, two physical management territories: Nanjing physical region and Suzhou physical region; The superiors are wide area network, as network communication protocol/multiprotocol label switching center (IP/MPLS Core) etc.
When the network equipment of described more than one support P2P technology belongs to the physical network management territory of different levels, the network equipment in every layer physical network management domain constitutes the P2P stacking network of this layer respectively, then belong to the P2P stacking network that the network equipment constituted in the different levels physical network management territory, constitute the P2P stacking network of different levels.
Be in the network equipment in the same level physical network management territory,, constitute more than one P2P stacking network according to the division of physical network area.
The stacking network of different levels links to each other by border networks equipment.The different P2P stacking networks of identical level are by the P2P stacking network transfer of a common high level.The P2P stacking network of low level only links to each other with an adjacent high-level P2P stacking network.
The network equipment in the physical network management territory of adjacent two or more levels constitutes a P2P stacking network, and the level of this P2P stacking network is same as the level of the P2P stacking network that the network equipment constitutes in the highest level in described physical network management territory.
Network system as shown in Figure 4, the P2P stacking network is divided into different levels: the stacking network of first level comprises four stacking network zones, the stacking network of second level comprises two stacking network zones, the stacking network zone of different levels links to each other by border networks equipment, and the stacking network of low level zone only links to each other with an adjacent high-level stacking network zone.Wherein, border networks equipment is meant that those can carry out the network equipment of layer management to Service Source, as digital subscriber line access multiplex DSLAM, Broadband Remote Access Server BRAS etc.
The network equipment of physical network is increased peer-to-peer network P2P basic function, as the adding of overlay, withdraw from, the storage of safeguarding (maintenance of Overlay topology, routing table maintenance, route maintenance etc.), data of overlay and search operation etc., then stacking network will become P2P overlay, the advantage that possesses the P2P network, as network is self-organizing, and the configuration that needs seldom; Very high reliability is arranged, stopped Single Point of Faliure; Very strong autgmentability is arranged, and the user can be easy to just can add or exit network network; The P2P network can well reduce the server burden by making full use of customer resources simultaneously, and this provides good adaptive capacity or the like to solving the Streaming Media application.Simultaneously, the request that these network equipments can also proxy user, as in P2P overlay, these network equipments are as P2P Peer, and the user is as P2P client, and Peer provides the service of overlay for client.
The network equipment in low level physical network management territory constitutes the stacking network of low level, and the network equipment of high-level network of network management domain constitutes high-level stacking network, the corresponding setting of level in the level of stacking network and physical network management territory; The level of stacking network can be equal to or less than the level of physical network.When the stacking network of low level had resource issue or renewal, the resource on the adjacent high-level stacking network was issued simultaneously or is upgraded.
Level formation to stacking network further illustrates below:
As shown in Figure 5, the physical network management territory is divided into 4 layers, ground floor L1 is divided into 4 physical network management zones (L1_1, L1_2, L1_3, L1_4), second layer L2 is divided into 3 physical network management zones (L2_1, L2_2, L2_3), the 3rd layer of L3 is divided into 2 physical network management zones (L3_1, L3_2), and the 4th layer of L4 is divided into 1 physical network management zone (L4_1).Then stacking network can have with the lower leaf scheme:
Certainly, the level of stacking network is divided and the division of physical network management domain hierarchy can also have other scheme, for example the division of the level of stacking network is identical with the level division in physical network management territory, but the stacking network dividing region of same level is less than the physical network management dividing region.
The network system that the embodiment of the invention provides, the P2P stacking network is carried out area dividing, the network equipment that will belong to different physical network managements territory constitutes different stacking networks zone respectively, make the stacking network zone set up corresponding relation with the physical network management territory, and the network equipment in the physical network management territory of different levels constitutes the stacking network zone of different levels respectively, thereby realize the coupling of stacking network and physical network, service search and traffic transport are controlled in the specific stacking network, reduced the flow of backbone network, solve inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
As shown in Figure 8, a kind of service method that provides is provided the embodiment of the invention, comprises the steps:
Step 801 supports the network equipment of P2P technology to receive service request information;
The user does not participate directly in stacking network, but by inserting the P2P stacking network with the nearest network equipment of its physical distance.The user as P2P client by the nearest P2P access point in the physical network, the coincide point that is first physical network and Overlay inserts stacking network, inserting the network equipment of stacking network, can be digital subscriber line access multiplex DSLAM or Broadband Remote Access Server BRAS.
Step 802, provide service according to described service request information in the P2P stacking network of the described network equipment under it, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the network equipment physical network management of living in territory of described support P2P technology.
For the better control to the bearer network flow, the embodiment of the invention is made of the stacking network layer of different levels the support P2P technical network equipment in the physical network management territory of different levels.
If described P2P stacking network can provide described service, then provide described service by this stacking network; If described P2P stacking network can not provide described service, then send service request information to the network equipment of high one deck P2P stacking network by this P2P stacking network.Wherein, described this P2P stacking network sends service request information to the network equipment of high one deck P2P stacking network and is specially: send service request information by border networks equipment to high one deck stacking network of described stacking network.
For example, referring to P2P stacking network hierarchy chart shown in Figure 4, according to residing physical network management zone, one user inserts the zone 1 of ground floor stacking network, receive service request with the nearest network equipment of user in this ground floor stacking network zone 1, if this service request can be realized in this stacking network zone 1, then the stacking network zone 1 by this layer provides described service; If this service request can't be realized in this stacking network zone 1, then send request to the zone 1 of the stacking network of the second layer by border networks equipment, provide service by the stacking network zone 1 of this second layer to the user.If this service request still can't be realized in the stacking network zone 1 of the second layer, then the border networks equipment in the stacking network zone 1 by the second layer sends request to higher level stacking network.Successively when the stacking network of a high level is initiated request, it should be noted that resource is not shared between the stacking network of same level; The stacking network zone of low level only links to each other with an adjacent high-level stacking network zone by border networks equipment.
Provide service method by the embodiment of the invention, the user is linked into by the network equipment in the residing physical network management of the user territory and is constituted in the P2P stacking network, this network equipment receives service request information, if the residing stacking network of this network equipment can provide described service, then provide described service by this P2P stacking network; If described P2P stacking network can not provide described service, then send service request information to the network equipment of high one deck P2P stacking network by this P2P stacking network, and then by preferentially providing service by the stacking network at the network equipment place that receives service request, service search and traffic transport are controlled in the specific stacking network, reduced the flow of backbone network, solve inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
As shown in Figure 9, the embodiment of the invention provides a kind of network equipment that service is provided, and comprising:
Request receiver module: be used to receive service request information;
Service providing module, be used for providing service according to described service request information in the P2P stacking network under the described network equipment, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the described network equipment physical network management of living in territory.
In order to realize stacking network and physical network better matching, the network equipment in the different levels physical network management territory constitutes the stacking network of different levels.For this reason, when providing resource in P2P stacking network system, the user at first is linked into the stacking network from the network equipment in its physical network management territory, place, receives service request by this network equipment, and preferentially provides service by this P2P stacking network.
For the better control to the bearer network flow, the network equipment that service is provided that the embodiment of the invention provides also comprises:
Judging unit, be used for according to the service request information of asking receiver module to receive, judge whether P2P stacking network under the described network equipment can provide described service request information institute requested service, if described P2P stacking network can provide described service, then described service request information is sent to service providing module; If described P2P stacking network can not provide described service, then described service request information is sent to the network equipment in the last layer P2P overlay network.
The user is when inserting stacking network, at first be linked into the stacking network zone of minimum level by the network equipment of the minimum level in the physical network management territory at its place, preferentially realize service request by the stacking network of lowermost layer, if the stacking network of low layer can't be realized service request, by border networks equipment between different levels, successively initiate service request to the network equipment of the stacking network of a high level.It should be noted that the stacking network for zones of different, the network equipment of minimum level may be different, and some zone may be DSLAM (Access Layer), and some zone may be Bras (network layer).
The network equipment that service is provided that the embodiment of the invention provides, the described network equipment is supported the P2P technology, receive service request information by the request receiver module, by providing service according to described service request information in the P2P stacking network of service providing module under the described network equipment, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the described network equipment physical network management of living in territory; By judging unit, be used for according to the service request information of asking receiver module to receive, judge whether P2P stacking network under the described network equipment can provide described service request information institute requested service, if described P2P stacking network can provide described service, then described service request information is sent to service providing module; If described P2P stacking network can not provide described service, then described service request information is sent to the network equipment in the last layer P2P overlay network, thereby by preferentially providing service by minimum level stacking network, service search and traffic transport are controlled in the specific stacking network, reduced the flow of backbone network, solve inter-network problems of liquid flow unnecessary in the bearer network, realized network service quality efficiently.
The network system that the embodiment of the invention provided reaches and provides the service method and the network equipment by this network system, is applied in the P2P Overlay network, by level and the area dividing to the P2P stacking network, realizes the coupling of stacking network and physical network.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claim was defined.
Claims (10)
1, a kind of network system, it is characterized in that, the network equipment that comprises more than one support P2P technology, the described network equipment belongs to different physical network management territories, the network equipment in described each physical network management territory constitutes the P2P stacking network respectively, constitutes P2P stacking network system by described each P2P stacking network.
2, network system according to claim 1, it is characterized in that, when the network equipment of described more than one support P2P technology belongs to the physical network management territory of different levels, the network equipment in every layer physical network management domain constitutes the P2P stacking network of this layer respectively, then belong to the P2P stacking network that the network equipment constituted in the different levels physical network management territory, constitute the P2P stacking network of different levels.
3, network system according to claim 2 is characterized in that, is in the network equipment in the same level physical network management territory, according to the division of physical network area, constitutes more than one P2P stacking network.
4, network system according to claim 2 is characterized in that, described network system also comprises the border networks equipment of supporting the P2P technology, is used to connect the P2P stacking network of adjacent level.
5, network system according to claim 4 is characterized in that, described P2P stacking network links to each other with an adjacent high-level P2P stacking network, and the different P2P stacking networks of identical level are by the P2P stacking network transfer of a common high level.
6, network system according to claim 4, it is characterized in that, the network equipment in the physical network management territory of adjacent two or more levels constitutes a P2P stacking network, and the level of described P2P stacking network is same as the level of the P2P stacking network that the network equipment constitutes in the highest level in described physical network management territory.
7, a kind of service method that provides is characterized in that, comprises the steps:
Support the network equipment of P2P technology to receive service request information;
Provide service according to described service request information in the P2P stacking network of the described network equipment under it, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the network equipment physical network management of living in territory of described support P2P technology.
8, the service method that provides according to claim 7 is characterized in that, if described P2P stacking network can not provide described service, then sends service request by this P2P stacking network to the network equipment of high one deck P2P stacking network; Wherein, described high one deck P2P stacking network is by supporting the network equipment of P2P technology to constitute in the physical network management territory of high one deck.
9, a kind of network equipment that service is provided is characterized in that, the described network equipment is supported the P2P technology, comprising:
The request receiver module is used to receive service request information;
Service providing module, be used for providing service according to described service request information in the P2P stacking network under the described network equipment, wherein, described P2P stacking network is to support the network equipment of P2P technology to constitute in the described network equipment physical network management of living in territory.
10, the network equipment that service is provided according to claim 9 is characterized in that, the described network equipment also comprises:
Judging unit, be used for according to the service request information of asking receiver module to receive, judge whether P2P stacking network under the described network equipment can provide described service request information institute requested service, if described P2P stacking network can provide described service, then described service request information is sent to service providing module; If described P2P stacking network can not provide described service, then described service request information is sent to the network equipment in the last layer P2P stacking network.
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| CNA2008100009250A CN101483574A (en) | 2008-01-08 | 2008-01-08 | Network system, method and network appliance for providing service by the network system |
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| CNA2008100009250A CN101483574A (en) | 2008-01-08 | 2008-01-08 | Network system, method and network appliance for providing service by the network system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101938410A (en) * | 2010-06-29 | 2011-01-05 | 中兴通讯股份有限公司 | Hierarchical hybrid network system and routing optimization method thereof |
| CN102299841A (en) * | 2010-06-25 | 2011-12-28 | 中兴通讯股份有限公司 | Service-based P2P (Peer-to-Peer) path determination method and device |
| CN102480422A (en) * | 2010-11-30 | 2012-05-30 | 中兴通讯股份有限公司 | Communication method and system for P2P (peer-to-peer) terminal in P2P overlay network |
| CN102984182A (en) * | 2011-09-02 | 2013-03-20 | 中兴通讯股份有限公司 | Peer-to-peer (P2P) network mobility management method and system |
| CN104145458A (en) * | 2012-12-09 | 2014-11-12 | 华为技术有限公司 | Packet forwarding method, device and data center network |
| CN106130923A (en) * | 2016-03-28 | 2016-11-16 | 北京肇煜宏泰信息科技有限公司 | A kind of method realizing user data shunting and network system |
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- 2008-01-08 CN CNA2008100009250A patent/CN101483574A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299841A (en) * | 2010-06-25 | 2011-12-28 | 中兴通讯股份有限公司 | Service-based P2P (Peer-to-Peer) path determination method and device |
| CN101938410A (en) * | 2010-06-29 | 2011-01-05 | 中兴通讯股份有限公司 | Hierarchical hybrid network system and routing optimization method thereof |
| CN101938410B (en) * | 2010-06-29 | 2014-12-10 | 中兴通讯股份有限公司 | Hierarchical hybrid network system and routing optimization method thereof |
| CN102480422A (en) * | 2010-11-30 | 2012-05-30 | 中兴通讯股份有限公司 | Communication method and system for P2P (peer-to-peer) terminal in P2P overlay network |
| CN102480422B (en) * | 2010-11-30 | 2016-03-02 | 中兴通讯股份有限公司 | The means of communication of P2P terminal in P2P overlay network and system |
| CN102984182A (en) * | 2011-09-02 | 2013-03-20 | 中兴通讯股份有限公司 | Peer-to-peer (P2P) network mobility management method and system |
| CN104145458A (en) * | 2012-12-09 | 2014-11-12 | 华为技术有限公司 | Packet forwarding method, device and data center network |
| CN104145458B (en) * | 2012-12-09 | 2017-10-10 | 华为技术有限公司 | A kind of method E-Packeted, device and data center network |
| CN106130923A (en) * | 2016-03-28 | 2016-11-16 | 北京肇煜宏泰信息科技有限公司 | A kind of method realizing user data shunting and network system |
| CN107769938A (en) * | 2016-08-16 | 2018-03-06 | 北京金山云网络技术有限公司 | The system and method that a kind of Openstack platforms support Multi net voting region |
| CN107769938B (en) * | 2016-08-16 | 2021-01-22 | 北京金山云网络技术有限公司 | System and method for Openstack platform to support multiple network areas |
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