CN102223249B - Method for upgrading IP network by vector network and data transmission method thereof - Google Patents
Method for upgrading IP network by vector network and data transmission method thereof Download PDFInfo
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Abstract
The invention provides a method for upgrading an IP network by a vector network. The whole IP network is divided into a plurality of peer groups according to the geographical positions; boundary equipments are arranged at the boundary of the peer groups; the peer groups are directly or indirectly connected with one another by the boundary equipments; the boundary equipment of each peer group can upgrade the peer group as a corresponding vector network equivalent exchanger; each peer group corresponds to a vector network equivalent exchanger respectively; and the vector network is formed among the vector network equivalent exchangers. The invention also provides a method for data transmission in the network, which is upgraded by the method for upgrading the IP network by the vector network; the data packets are transmitted in an IP network data transmission way in the peer groups, and are transmitted among the peer groups by the vector network equivalent exchangers in the way of vector exchanging. With the technology provided by the invention, a low-cost and high-efficiency scheme is provided for upgrading and rebuilding the IP network.
Description
Technical field
The present invention relates to network communication field, particularly a kind of method of Vector Network upgrading IP network and method that data transmit thereof utilized.
Background technology
Now, IP-based Internet has run into the many problems that do not expect at the beginning of design, and such as address depletion, routing table scale is large, and autgmentability is bad; Cyberspace vulnerability is many, and trust degree is not high; A little less than Network service quality control ability, can not guaranteed qos; Forwarding unit is complicated; Lack effective administrative mechanism and control device; The problems such as mobile access.Although IP network has technically also carried out perfectly a lot, can not fundamentally solve the problem that Internet exists, so simple IP network can not be applicable to the development of next generation network completely.In order to build next generation network, the architecture of Internet need to have a kind of change of essence.
In the face of the main challenge of existing network, many countries continue to drop into a large amount of manpower and financial resources and carry out the research of next generation network for many years, actively solve a most important theories difficult problem and the technological challenge of existing network, make great efforts to carry out next generation network technology innovation.External representative research comprises U.S. next generation internet project FIND and GENI, the next generation internet project FIRE of European Union etc.Vector Network (Vector Network, VN) is to arise at the historic moment under next generation network its development like a raging fire.
Vector Network sets up with Chinese invention patent application prospectus < < vector data communication the method > > (grant number ZL200710064804.8) that vector is connected based on a Chinese invention patent < < vector network address coding method > > (grant number ZL200610089302.6) on the net, collection telecommunications network, ATM net, IP network, frame relay, the advantage of the technology such as MPLS, the concept of " vector connects " and " vector exchange " is proposed, five Indicator systems that proposition is taken as the leading factor with " identify label ", and the social property from information network, take vector network address as basis, set up a set of data communication network technical system with fractal characteristic.It has simply, unlimited expandability, inherent credible, support QoS, the features such as mobile and multicast are supported in and self-organizing, distributed comprehensively.Compare with ATM with IP network, Vector Network has the better technical advantage that compares.
Because the most network infrastructures within current global range and network application are all based on IP technology, and next generation network does not also obtain large scale deployment, people can not abandon very ripe existing network and directly with a kind of new network, replace IP network within very short time, so no matter from academia or the angle of industrial circle, cast off IP network once and for all and adopt the completely new very large challenge of network faces.The mechanism of smooth excessiveness be exactly: adopt the new advanced network technology existing IP network of upgrading, thereby can solve cheaply some problems of existing network, make existing IP network to next generation network smooth evolution.
At present, major programme to IP network upgrading comprises: multi protocol label exchange (the Multi-Protocol Label Switching having disposed, MPLS), the host identity protocol of studying (Host Identifier Protocol, HIP) and station location marker/identify label separated protocol (Locator Identifier Separation Protocol, LISP) etc.
Yet these IP network upgrading schemes have problem separately.MPLS technology in QoS label distribution signaling, solve that VC merges, also there is sizable difficult point aspect many in transmission classify traffic etc., needs further perfect; In addition, by the MPLS technology IP network of upgrading, all P in IP network need to be upgraded to LSR, and need to add extra tag edge router, cost is obviously larger.The shortcoming of HIP comprises: HIP does not support multicast; Need a large amount of RVS of deployment to solve host mobility problem, if utilize existing DNS, need to strengthen the disposal ability dynamically updating; Communication between HIP main frame need to be encrypted and decipher packet, has increased the added burden of CPU; The Host Identity of HIP adopts flat structure, does not possess rational business prototype; Adopt HIP technology to upgrade to existing IP network, need to modify to the ICP/IP protocol stack of All hosts, deployment difficulty is larger, and larger on Internet impact.Also there are some problems in LISP, for example the realization of LISP relies on tunneling technique, need at entrance tunnel router place, adopt query mappings, and query latency can cause router to abandon or buffer memory divides into groups in a large number, is easily attacked; Border router need to be safeguarded flow status, and the reliability and the scaling concern that produce therefrom have to be solved.
Summary of the invention
The object of the invention is to, provide a kind of without the node of subnet inside and host protocol stack are modified, also without upgrading, interpolation router, and then can greatly reduce the method for utilizing Vector Network upgrading IP network of upgrade cost and the method that data transmit thereof.
Another object of the present invention is, provides a kind of and can reduce inter-domain routing complexity, shortens the convergence time of inter-domain routing, thereby further improves the method for utilizing Vector Network upgrading IP network of network performance and the method that data transmit thereof.
Still a further object of the present invention is, providing a kind of can encapsulate subnet separately, meets fractal characteristic, realizes the method for utilizing Vector Network upgrading IP network of network scalability and the method that data transmit thereof.
In order to achieve the above object, the following technical scheme of employing of the present invention:
A method of utilizing Vector Network upgrading IP network, comprises the following steps:
According to geographical position, whole IP network is divided into a plurality of peer-group, each peer-group comprises at least one node;
To in peer-group, be edge device with the direct-connected node definition of other peer-group interior nodes;
The edge device of each peer-group upgrades to corresponding Vector Network equivalence switch by this peer-group, and each peer-group is corresponding Vector Network equivalence switch respectively, composition of vector net between Vector Network equivalence switch;
Data transmit in the inner IP network data mode that adopts of peer-group, adopt vectorial exchanged form to transmit by Vector Network equivalence switch between peer-group.
The described method of utilizing Vector Network upgrading IP network, each node is unique belongs to a peer-group.
The described method of utilizing Vector Network upgrading IP network, the method that peer-group is upgraded to a Vector Network equivalence switch comprises:
On each edge device of each peer-group, move Vector Network agreement;
According to the annexation between peer-group edge device, set the annexation between Vector Network equivalence switch.
The described method of utilizing Vector Network upgrading IP network, Vector Network agreement comprises that Vector Network data exchange agreement and Vector Network are called out and seeks by agreement.
The described method of utilizing Vector Network upgrading IP network, for each Vector Network equivalence switch defines respectively port numbers, and according to the IP address relationship of the edge device of the port numbers of the described Vector Network equivalence switch peer-group corresponding with it, for each peer-group is set up port-IP address table, and port-IP address table of each peer-group is stored in the edge device of this peer-group.
The described method of utilizing Vector Network upgrading IP network, utilize the topological relation of Vector Network, calculate each peer-group to the vector address of other peer-group, set up respectively peer-group-vector table address, and each peer-group-vector table address is stored in the edge device of this peer-group, wherein, each component address of described vector address successively representative data bag from information source to the stay of two nights the outbound port number of Vector Network equivalence switch of process.
The method of carrying out data transmission in the network after described method upgrading, the data that information source is sent are sent to the stay of two nights and comprise the following steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from information source to the stay of two nights according to the peer-group at information source and stay of two nights place;
S2: the IP packet that information source is sent is transferred into the edge device that of information source place peer-group, and go out edge device and be packaged into vector bag and send to next Vector Network equivalence switch by described, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of described peer-group;
S3: described in enter edge device and vector bag be encapsulated as to the IP packet of this peer-group, in this peer-group, transmit, until this peer-group go out edge device;
S4: go out the IP packet header that edge device is deleted this peer-group in described step S3, obtain vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of described peer-group;
S5: repeating step S3-S4, until vector bag arrives the edge device that enters of stay of two nights place peer-group;
S6: the edge device that enters of stay of two nights place peer-group is deleted vector address, reverts to the IP packet that information source is sent, and is transmitted to the stay of two nights.
The method that described data transmit, in step S1, method by inundation, level route obtains the vector address of IP packet from information source to the stay of two nights, or, according to the peer-group at information source and place, stay of two nights address, search peer-group-vector table address, obtain the vector address of IP packet from information source to the stay of two nights.
The method that described data transmit, the edge device that goes out in step S2 is packaged into vectorial comprising the following steps: go out edge device using the vector address after deletion the first component address as prefix, the IP packet sending together with information source is encapsulated as vector bag, sends to the edge device that enters that goes out the direct-connected next peer-group of edge device with this peer-group through Vector Network.
The method that described data transmit, step S3 comprises the following steps:
Describedly enter edge device and isolate after the first component address of current vector address, search on this basis port-IP address table of this peer-group, determine the edge device that of this peer-group;
Describedly enter edge device using the IP packet header of this peer-group as prefix, together with the IP packet of deleting vector bag after the first component address of current vector address and be encapsulated as this peer-group, be sent to the edge device that of this peer-group.
Beneficial effect of the present invention is:
(1) the present invention is according to heterogeneous networks function and the characteristic of nodes, thereby proposed to reach by upgrading edge device the scheme of the whole network of upgrading.For whole network, the quantity of host node substantially exceeds the quantity of edge device, and therefore, the present invention only upgrades to edge device, and the node of subnet inside and host protocol stack are not made any modification, can greatly reduce upgrade cost.
(2) the present invention analyzes the characteristic of Vector Network, therefrom extracts the technology for the IP network of upgrading, and comprises fractal, object-oriented and equivalent switch technology.Can improve amalgamation, autgmentability and the adaptability of network, can make upgrade of network be convenient to realize, also can make the IP network after upgrading show as Vector Network at high level, possess the advantage of Vector Network, make network after upgrading better meet user's demand.
(3) the present invention has used the transmission plane upgrading scheme with vectorial exchange features, adopt vectorial switching technology to replace the IP retransmission method between peer-group, make the network after upgrading show as Vector Network at high level, the advantage that has retained Vector Network guaranteed qos, can effectively guarantee the performance of large scale network.
(4) the present invention utilizes equivalent switch technology in Vector Network to be encapsulated as independent one by one object to each IP subnet, makes the object after encapsulation all meet fractal characteristic, thereby succinctly intercommunication mutually effectively realizes extensibility.
(5) the present invention adopts vector exchange between IP network peer-group, realizes the simple operation that forwards, and the implementation complexity of inter-domain routing is reduced, and can shorten to a great extent the convergence time of inter-domain routing, thereby further improve network performance.
Accompanying drawing explanation
Fig. 1 is IP network physical connection schematic diagram of the present invention.
Fig. 2 is that peer-group of the present invention is divided schematic diagram.
Fig. 3 is the chain of command layer architecture schematic diagram of Fig. 1 IP network of the present invention.
Fig. 4 is that packet of the present invention is through each peer-group repeating process schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, summary of the invention of the present invention is further described.
Shown in Figure 1, be IP network physical connection schematic diagram.The node of IP network comprises IP terminal equipment and ip router, and IP terminal equipment is exactly common IP user's terminal, represents respectively in the drawings, as initiation point and the terminating point of packet with A, B, C; Ip router is responsible for collecting topology and provides seeking by serving, and the packet of being simultaneously responsible for arriving forwards.
The invention provides a kind of method of utilizing Vector Network upgrading IP network, comprise the following steps:
S11: according to geographical position, whole IP network is divided into a plurality of peer-group, each peer-group comprises at least one node.
In step S11, according to geographical position, IP network is divided into several peer-group, during division, the adjacent node in geographical position is divided into a peer-group, each peer-group meets following requirement:
(1) each node is divided into a peer-group, does not belong to the node of certain peer-group;
(2) each node only belongs to a unique peer-group;
(3) between any two nodes of peer-group inside, have directly and/or indirect link is connected;
(4) between any two nodes in same peer-group, in this peer-group, communicate.
The division of peer-group also will be considered number of nodes in peer-group, if number of nodes is more, require the capacity of device storage information in this peer-group larger, can bring thus the larger time delay of tabling look-up, so generally peer-group is divided into a more suitable size.
The present embodiment be take IP subnet as unit division peer-group (but being not limited to this dividing mode), each IP subnet or a larger IP subnet being polymerized by a plurality of IP subnets are divided into a peer-group, adopt this dividing mode, the IP terminal equipment in each peer-group has identical IP address prefix.
Shown in Figure 2, for peer-group of the present invention is divided schematic diagram.According to IP subnet, be unit, the IP network in Fig. 1 is divided into 5 peer-group, each peer-group represents by a logical node, and this logical node is Vector Network equivalence switch.In the present embodiment, the sign of logical node adopts the network address of the corresponding IP subnet of this peer-group.The logical node of peer-group 1 identifies with 192.168.122.0; The logical node of peer-group 2 identifies with 212.202.144.0; The logical node of peer-group 3 identifies with 219.242.122.0; The logical node of peer-group 4 identifies with 59.64.15.0; The logical node of peer-group 5 identifies with 211.221.123.0.
A large IP network being divided into after several peer-group, in order to utilize Vector Network upgrading IP network, need to edge device being set on peer-group border, will be peer-group edge device with the direct-connected Node configuration of other peer-group interior nodes in peer-group.
S12: will be edge device with the direct-connected node definition of other peer-group interior nodes in peer-group.
S13: the edge device of each peer-group upgrades to corresponding Vector Network equivalence switch by this peer-group, each peer-group is corresponding Vector Network equivalence switch respectively, composition of vector net between Vector Network equivalence switch.
Because the IP network after upgrading is common IP network in peer-group, what between peer-group, show is the characteristic of Vector Network, therefore edge device had both needed to carry out the agreement of common IP network, also want the distinctive agreement of running boundary equipment simultaneously, that is to say that the network after upgrading possesses two-tier system, what bottom showed is common IP network, and what high level showed is Vector Network.If network size is very large, also can consider to set up many levels, only having the bottom is IP network, other level all shows as Vector Network.
IP network is divided into after some peer-group, and the IP network that makes to upgrade is more prone to implement.In each peer-group after dividing, be common IP network, move existing IP network agreement, can rely on suitable underloading to maintain local QoS, manageable.It is a Vector Network equivalence switch that each peer-group is upgraded again, see on the whole, the Vector Network that the network after upgrading is comprised of equivalent switch, what between peer-group, show is the characteristic of Vector Network, QoS mechanism that can firing count vector net, can simple and effective guaranteed qos.
Shown in Figure 3, be the chain of command layer architecture schematic diagram of Fig. 1 IP network.The present embodiment be take two-tier system as example, the IP network of Fig. 1 is divided into high-rise Vector Network and the peer-group of bottom, by the edge device of peer-group 1-5, set up network hierarchy framework (process of establishing of chain of command layer architecture is not within discussion scope of the present invention), each peer-group is upgraded to respectively to Vector Network equivalence switch, and the network after upgrading sees it is the Vector Network that equivalent switch forms on the whole.Peer-group 1 has an edge device, and by 192.168.122.1 sign, peer-group 1 upgrades to Vector Network equivalence switch a; Peer-group 2 has three edge devices, and respectively by 212.202.144.1,212.202.144.2 and 212.202.144.3 sign, peer-group 2 upgrades to Vector Network equivalence switch b; Peer-group 3 has two edge devices, and respectively by 219.242.122.1 and 219.242.122.2 sign, peer-group 3 upgrades to Vector Network equivalence switch c; Peer-group 4 has three edge devices, and respectively by 59.64.15.1,59.64.15.2 and 59.64.15.3 sign, peer-group 4 upgrades to Vector Network equivalence switch d; Peer-group 5 has an edge device, and by 211.221.123.1 sign, peer-group 5 upgrades to Vector Network equivalence switch e.
Be respectively the port definition port numbers of each Vector Network equivalence switch, and according to each the Vector Network equivalence port numbers of switch and the IP address relationship of corresponding peer-group edge device, for each peer-group is set up port-IP address table, and port-IP address table of each peer-group is stored in the edge device of this peer-group.The port of at least corresponding Vector Network equivalence of the edge device of each peer-group switch.
In the present embodiment, in peer-group 1, " port-IP address table " of edge device storage is as shown in table 1.
| Port numbers | Corresponding |
| 1 | 192.168.122.1 |
Table 1
In peer-group 2, " port-IP address table " of edge device storage is as shown in table 2.
| Port numbers | Corresponding |
| 1 | 212.202.144.1 |
| 2 | 212.202.144.3 |
| 3 | 212.202.144.2 |
Table 2
In peer-group 3, " port-IP address table " of edge device storage is as shown in table 3.
| Port numbers | Corresponding |
| 1 | 219.242.122.1 |
| 2 | 219.242.122.2 |
Table 3
In peer-group 4, " port-IP address table " of edge device storage is as shown in table 4.
| Port numbers | Corresponding |
| 1 | 59.64.15.1 |
| 2 | 59.64.15.2 |
| 3 | 59.64.15.3 |
Table 4
In peer-group 5, " port-IP address table " of edge device storage is as shown in table 5.
| Port numbers | Corresponding |
| 1 | 211.221.123.1 |
Table 5
After definition edge device, installs and move Vector Network agreement on each edge device, Vector Network agreement comprises that the calling of Vector Network data exchange agreement and Vector Network seeks by agreement.Just to be upgraded be Vector Network equivalence switch to each peer-group like this.Vector Network equivalence switch is a logical node, and its function is carried out by edge device, the corresponding peer-group of each equivalent switch.
All equivalent switches form high-rise Vector Network, annexation in Vector Network between equivalent switch is set according to the annexation between peer-group edge device, if there is direct link to be connected between two peer-group edge devices, between two Vector Network equivalence switches of corresponding these two peer-group, in high-rise Vector Network, just there is directly connected relation.
Data transmit in the inner IP network data mode that adopts of peer-group, adopt vectorial exchanged form to transmit by Vector Network equivalence switch between peer-group.
Utilize the topological relation of Vector Network, calculate each peer-group to the vector address of other peer-group, set up respectively peer-group-vector table address, and each peer-group-vector table address is stored in the edge device of this peer-group, wherein, each component address of described vector address successively representative data bag from information source to the stay of two nights the outbound port number of Vector Network equivalence switch of process.
In the present embodiment, the edge device 192.168.122.1 of information source A place peer-group 1 obtains information source to the vector address of the stay of two nights by setting up peer-group-vector table address.Theing contents are as follows of peer-group-vector table address in the edge device of each peer-group:
In the present embodiment, in the edge device of peer-group 1, the content of " peer-group-vector table address " is as shown in table 6.
| Source peer-group-object peer-group | The IP address of object peer-group | Corresponding vector address |
| 1-2 | 212.202.144.0 | 1 |
| 1-3 | 219.242.122.0 | 13 |
| 1-4 | 59.64.15.0 | 12 |
| 1-5 | 211.221.123.0 | 123 |
Table 6
In the edge device of peer-group 2, the content of " peer-group-vector table address " is as shown in table 7.
| Source peer-group-object peer-group | The IP address of object peer-group | Corresponding vector address |
| 2-1 | 192.168.122.0 | 1 |
| 2-3 | 219.242.122.0 | 3 |
| 2-4 | 59.64.15.0 | 2 |
| 2-5 | 211.221.123.0 | 23 |
Table 7
In the edge device of peer-group 3, the content of " peer-group-vector table address " is as shown in table 8.
| Source peer-group-object peer-group | The IP address of object peer-group | Corresponding vector address |
| 3-1 | 192.168.122.0 | 11 |
| 3-2 | 212.202.144.0 | 1 |
| 3-4 | 59.64.15.0 | 2 |
| 3-5 | 211.221.123.0 | 23 |
Table 8
In the edge device of peer-group 4, the content of " peer-group-vector table address " is as shown in table 9.
| Source peer-group-object peer-group | The IP address of object peer-group | Corresponding vector address |
| 4-1 | 192.168.122.0 | 11 |
| 4-2 | 212.202.144.0 | 1 |
| 4-3 | 219.242.122.0 | 2 |
| 4-5 | 211.221.123.0 | 3 |
Table 9
In the edge device of peer-group 5, the content of " peer-group-vector table address " is as shown in table 10.
| Source peer-group-object peer-group | The IP address of object peer-group | Corresponding vector address |
| 5-1 | 192.168.122.0 | 111 |
| 5-2 | 212.202.144.0 | 11 |
| 5-3 | 219.242.122.0 | 12 |
| 5-4 | 59.64.15.0 | 1 |
Table 10
The edge device of each peer-group finds corresponding vector address according to " peer-group-vector table address ", carry out to call out and seek by after operation, in " port-IP address table ", according to port corresponding to each component address, search the IP address that edge device of each peer-group.
After " peer-group-vector table address " and " port-IP address table " set up, transmission plane just can provide package forward service exactly.When the topology situation of peer-group inside changes, " peer-group-vector table address " and " port-IP address table " needs immediate updating.
The present invention also provides a kind of method of carrying out data transmission in network after utilizing said method upgrading, that the package forward process of network is decomposed into two kinds of processes, a kind of is data forwarding process between peer-group, adopt vectorial switching method, another kind is the data forwarding process in peer-group, adopts IP network data forwarding method.
The data that information source is sent are sent to the stay of two nights and comprise the following steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from information source to the stay of two nights according to the peer-group at information source and stay of two nights place.
Wherein, the method that the edge device of information source place peer-group can pass through inundation, level route obtains the vector address of packet from information source to the stay of two nights.The edge device of information source place peer-group also can be searched peer-group-vector table address according to the peer-group at information source and place, stay of two nights address, obtains the vector address of IP packet from information source to the stay of two nights.
The IP packet that S2: information source A sends is transferred into the edge device that of information source A place peer-group, and go out edge device and be packaged into vector bag and send to next Vector Network equivalence switch by described, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of described peer-group.
Go out edge device using the vector address after deletion the first component address as prefix, the IP packet sending together with information source is encapsulated as vector bag, through Vector Network, send to next Vector Network equivalence switch, the peer-group corresponding according to this equivalence switch, obtains the edge device that enters of this peer-group.
S3: described in enter edge device and vector bag be encapsulated as to the IP packet of this peer-group, in this peer-group, transmit, until this peer-group go out edge device.
Describedly enter edge device and isolate after the first component address of current vector address, search on this basis port-IP address table of this peer-group, determine the edge device that of this peer-group.
Describedly enter edge device using the IP packet header of this peer-group as prefix, together with the IP packet of deleting vector bag after the first component address of current vector address and be encapsulated as this peer-group, be sent to the edge device that of this peer-group.
S4: go out the IP packet header that edge device is deleted this peer-group in described step S3, obtain vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of peer-group.
S5: repeating step S3-S4, until vector bag arrives the edge device that enters of stay of two nights place peer-group;
S6: the edge device that enters of stay of two nights place peer-group is deleted vector address, reverts to the IP packet that information source is sent, and is transmitted to stay of two nights B.
Shown in Fig. 3,4, especially exemplified by embodiment, illustrate the steps flow chart of realizing package forward in the network of the present invention after utilizing Vector Network upgrading IP network.
From information source A to stay of two nights B, send IP packet, the key step forwarding through each peer-group is as follows:
Step S1: the edge device 192.168.122.1 of information source A place peer-group 1 obtains the vector address " 123 " of data from information source to the stay of two nights.
Information source A is positioned at peer-group 1, and stay of two nights B is positioned at peer-group 5, and the information source of the IP packet in peer-group 1 and stay of two nights address are respectively the IP addresses of information source A and stay of two nights B, represent in the drawings with SIP1 and DIP5.The edge device 192.168.122.1 of peer-group 1 receives after the packet that information source sends, according to the peer-group 5 at stay of two nights address D IP5 place, pass through " peer-group-vector table address " of look-up table 1, obtain vector address " 123 ", thereby determined a Vector Network communication path that leads to stay of two nights B.
The IP packet that S2: information source A sends is transferred into the edge device that of information source A place peer-group 1, and is gone out edge device and be packaged into vector bag and send to next Vector Network equivalence switch b by described, thereby determines the edge device that enters of peer-group 2.
Information source A is positioned at peer-group 1, in peer-group 1, has multiple devices, and what the IP packet (SIP1|DIP5|Data) that information source A will send it in peer-group 1 inside sent to peer-group 1 goes out edge device 192.168.122.1.
The going out edge device 192.168.122.1 and will delete vector address " 23 " after the first component address " 1 " as prefix of peer-group 1, the IP packet (SIP1|DIP5|Data) sending together with information source is encapsulated as this peer-group vector bag (23|SIP1|DIP5|Data), through Vector Network equivalence switch a, send to next Vector Network equivalence switch b, according to the corresponding peer-group 2 of Vector Network equivalence switch b, determine after the entering edge device and be 212.202.144.1 of peer-group 2, what vector bag (23|SIP1|DIP5|Data) was sent to peer-group 2 enters edge device 212.202.144.1.
S3: described in enter edge device 212.202.144.1 and vector bag be encapsulated as to the IP packet of this peer-group, in the interior transmission of this peer-group 2, until this peer-group go out edge device 212.202.144.3.
The edge device 212.202.144.1 that enters of peer-group 2 receives vector bag (23|SIP1|DIP5|Data), according to the exchange principle of vectorial switch, isolate first component address " 2 " of vector address, search " port-IP address table " (table 2) of peer-group 2, obtain out the IP address 212.202.144.3 of edge device, thereby determined the outlet of the peer-group 2 of vectorial bag appointment.
Peer-group 2 enter edge device 212.202.144.1 using the IP packet header (SIP2|DIP2) of this peer-group as prefix, IP packet (SIP2|DIP2|3|SIP1|DIP5|Data) together with isolating amount bag (3|SIP1|DIP5|Data) after the first component address " 2 " and be encapsulated as this peer-group is sent to out edge device 212.202.144.3 in peer-group 2.
Wherein, source address SIP2 is the IP address 212.202.144.1 into edge device module, and stay of two nights address D IP2 is the IP address 212.202.144.3 that edge device module.
S4: the edge device 212.202.144.3 that goes out of peer-group 2 receives after IP packet (SIP2|DIP2|3|SIP1|DIP5|Data), delete IP packet header (SIP2|DIP2), make IP data packet recovery become vector bag (3|SIP1|DIP5|Data), by Vector Network equivalence switch b, send to next Vector Network equivalence switch d, according to the corresponding peer-group 4 of Vector Network equivalence switch d, determine after the entering edge device and be 59.64.15.1 of peer-group 4, what just vector bag (3|SIP1|DIP5|Data) was sent to peer-group 4 enters edge device 59.64.15.1.
S5: repeating step S3-S4, until vector bag arrives the edge device that enters of stay of two nights B place peer-group 5.
Concrete, the edge device 59.64.15.1 that enters of peer-group 4 receives vector bag (3|SIP1|DIP5|Data), isolates first component address " 3 " of vector address according to the exchange principle of vectorial switch, so far, vector address is by complete separation.The port 3 of the corresponding Vector Network equivalence of described the first component address " 3 " switch d.
According to the first component address " 3 " of isolating vector address, search " port-IP address table " (table 4) of peer-group 4, obtain the IP address 59.64.15.3 that edge device of peer-group 4, thereby determined the outlet of the peer-group 4 of vectorial bag appointment.
The edge device 59.64.15.1 that enters of peer-group 4 isolates after the first component address " 3 ", vector address is empty, with NUL, represent in the drawings, using the vector bag (NUL|SIP1|DIP5|Data) obtaining as data, by prefix IP packet header (SIP4|DIP4), be packaged into IP packet (SIP4|DIP4|NUL|SIP1|DIP5|Data), enter the IP subnet of peer-group 4 correspondences, and in the interior transmission of peer-group 4.
Wherein, source address SIP4 is the IP address 59.64.15.1 into edge device module, and stay of two nights address D IP4 is the IP address 59.64.15.3 that edge device.
The edge device 59.64.15.3 that goes out of peer-group 4 receives after IP packet (SIP4|DIP4|NUL|SIP1|DIP5|Data), delete IP packet header (SIP4|DIP4), make IP data packet recovery become vector bag (NUL|SIP1|DIP5|Data), send it to next Vector Network equivalence switch e, according to the corresponding peer-group 5 of Vector Network equivalence switch e, determine after the entering edge device and be 211.221.123.1 of peer-group 5, what vector bag (NUL|SIP1|DIP5|Data) was sent to peer-group 5 enters edge device 211.221.123.1.
S6: the edge device 211.221.123.1 that enters of stay of two nights B place peer-group 5 deletes vector address, reverts to the IP packet that information source is sent, and is transmitted to stay of two nights B.
Peer-group 5 is the peer-group at stay of two nights B place, the edge device 211.221.123.1 that enters of peer-group 5 deletes vector address, revert to IP packet (SIP1|DIP5|Data), it is the IP packet that information source A sends, and IP packet (SIP1|DIP5|Data) is transmitted to stay of two nights B in peer-group 5 inside, complete the data retransmission function of whole transmission plane.
Above-described embodiment is to further illustrate of the present invention; but not as a limitation of the invention; be a kind of more preferably embodiment of the present invention, the common variation that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (6)
1. a method of utilizing Vector Network upgrading IP network, is characterized in that comprising the following steps:
According to geographical position, whole IP network is divided into a plurality of peer-group, each peer-group comprises at least one node, and each node is unique belongs to a peer-group;
To in peer-group, be edge device with the direct-connected node definition of other peer-group interior nodes;
On each edge device of each peer-group, move Vector Network agreement, the edge device of each peer-group upgrades to corresponding Vector Network equivalence switch by this peer-group, each peer-group is corresponding Vector Network equivalence switch respectively, composition of vector net between Vector Network equivalence switch, sets the annexation between Vector Network equivalence switch according to the annexation between peer-group edge device;
Data transmit in the inner IP network data mode that adopts of peer-group, adopt vectorial exchanged form to transmit by Vector Network equivalence switch between peer-group.
2. the method for utilizing Vector Network upgrading IP network according to claim 1, is characterized in that, Vector Network agreement comprises that Vector Network data exchange agreement and Vector Network are called out and seeks by agreement.
3. the method for utilizing Vector Network upgrading IP network according to claim 2, it is characterized in that, for each Vector Network equivalence switch defines respectively port numbers, and according to the IP address relationship of the edge device of the port numbers of the described Vector Network equivalence switch peer-group corresponding with it, for each peer-group is set up port-IP address table, and port-IP address table of each peer-group is stored in the edge device of this peer-group.
4. the method for utilizing Vector Network upgrading IP network according to claim 3, it is characterized in that, utilize the topological relation of Vector Network, calculate each peer-group to the vector address of other peer-group, set up respectively peer-group-vector table address, and each peer-group-vector table address is stored in the edge device of this peer-group, wherein, each component address of described vector address successively representative data bag from information source to the stay of two nights the outbound port number of Vector Network equivalence switch of process.
5. a method of carrying out data transmission in the network after method upgrading described in utilizing claim 4, is characterized in that, the data that information source is sent are sent to the stay of two nights and comprise the following steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from information source to the stay of two nights according to the peer-group at information source and stay of two nights place;
S2: the IP packet that information source is sent is transferred into the edge device that of information source place peer-group, and go out edge device and be packaged into vector bag and send to next Vector Network equivalence switch by described, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of described peer-group;
Go out edge device using the vector address after deletion the first component address as prefix, the IP packet sending together with information source is encapsulated as vector bag, sends to the edge device that enters that goes out the direct-connected next peer-group of edge device with this peer-group through Vector Network;
S3: described in enter edge device and isolate after the first component address of current vector address, search on this basis port-IP address table of this peer-group, determine the edge device that of this peer-group; Describedly enter edge device using the IP packet header of this peer-group as prefix, the IP packet together with deleting vector bag after the first component address of current vector address and be encapsulated as this peer-group transmits in this peer-group, until this peer-group go out edge device;
S4: go out the IP packet header that edge device is deleted this peer-group in described step S3, obtain vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to peer-group corresponding to described next Vector Network equivalence switch, thereby determine the edge device that enters of described peer-group;
S5: repeating step S3-S4, until vector bag arrives the edge device that enters of stay of two nights place peer-group;
S6: the edge device that enters of stay of two nights place peer-group is deleted vector address, reverts to the IP packet that information source is sent, and is transmitted to the stay of two nights.
6. the method that data according to claim 5 transmit, it is characterized in that, in step S1, method by inundation, level route obtains the vector address of IP packet from information source to the stay of two nights, or, according to the peer-group at information source and place, stay of two nights address, search peer-group-vector table address, obtain the vector address of IP packet from information source to the stay of two nights.
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