CN102223249A - 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, the 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 reckon with at the beginning of the design, and such as address depletion, the routing table scale is big, and autgmentability is bad; Cyberspace vulnerability is many, and trust degree is not high; A little less than the network service quality control ability, can not guaranteed qos; The forwarding unit complexity; Lack effective administrative mechanism and control device; Move problems such as access.Though 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 fit to the development of next generation network fully.In order to make up next generation network, the architecture of Internet needs a kind of change of essence.
In the face of the main challenge of existing network, many for many years countries continue to drop into a large amount of manpower and financial resources and carry out the research of next generation network, actively solve a most important theories difficult problem and the technological challenge of existing network, make great efforts to carry out the 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 is to arise at the historic moment under next generation network its development like a raging fire VN) to Vector Network.
Vector Network is based on Chinese invention patent " a kind of vector network address coding method " (grant number ZL200610089302.6) and Chinese invention patent ublic specification of application " vector data communication is set up the method that vector is connected on the net " (grant number ZL200710064804.8), the collection telecommunications network, the ATM net, IP network, frame relay, the advantage of technology such as MPLS, the notion of " vector connects " and " vector exchange " is proposed, the five sign systems that proposition is taken as the leading factor with " identify label ", and social property from information network, based on vector network address, set up a cover and had the data communication network technical system of fractal characteristic.It has simply, unlimited expandability, inherent credible, support QoS, and self-organizing, distributed is supported to move and characteristics such as multicast comprehensively.Compare with ATM with IP network, Vector Network has the better technical advantage that compares.
Because most network infrastructures within the global range and network application all are based on the IP technology at present, and next generation network does not also obtain large scale deployment, people can not abandon very ripe existing network and directly replace IP network with a kind of new network in very short time, so still be the angle of industrial circle no matter, cast off IP network once and for all and adopt the new very big challenge of network faces fully from academia.A kind of mechanism of feasible smooth excessiveness is exactly: adopt new advanced person's the network technology existing IP network of upgrading, thereby can solve some problems of existing network cheaply, make existing IP network to the next generation network smooth evolution.
At present, major programme to the IP network upgrading comprises: multi protocol label exchange (the Multi-Protocol Label Switching that has 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 all have problem separately.The MPLS technology in QoS label distribution signaling, solve that VC merges, also there is sizable difficult point in transmission classify traffic etc. aspect many, needs further perfect; In addition, with the MPLS technology IP network of upgrading, all P in the IP network need be upgraded to LSR, and need to add extra tag edge router, cost is obviously bigger.The shortcoming of HIP comprises: HIP does not support multicast; Need a large amount of RVS of deployment to move problem,, need to strengthen the disposal ability that dynamically updates if utilize existing DNS to solve main frame; Communication between the HIP main frame need be carried out encryption and decryption to packet, has increased the added burden of CPU; The main frame sign of HIP adopts flat structure, does not possess rational business prototype; Adopt the HIP technology that existing IP network is upgraded, need make amendment to the ICP/IP protocol stack of All hosts, the deployment difficulty is bigger, and bigger to the Internet influence.Also there are some problems in LISP, and for example the realization of LISP relies on tunneling technique, need adopt query mappings at inlet tunnel router place, and the inquiry delay can cause router to abandon or buffer memory divides into groups in a large number, is attacked easily; Border router need be safeguarded flow status, and reliability of Chan Shenging and scaling concern have to be solved therefrom.
Summary of the invention
The objective of the invention is to, provide a kind of need not that the node and the host protocol stack of subnet inside are made amendment, also need not upgrading, add router, and then can reduce the method for utilizing Vector Network upgrading IP network of upgrade cost and the method that data transmit thereof greatly.
Another object of the present invention is, provides a kind of and can reduce the 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 that providing a kind of can encapsulate subnet separately, satisfies 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 kind of method of utilizing Vector Network upgrading IP network may further comprise the steps:
According to the geographical position entire I P net is divided into a plurality of peer-group, each peer-group comprises at least one node;
To be edge device with the direct-connected node definition of other peer-group interior nodes in the peer-group;
The edge device of each peer-group upgrades to corresponding Vector Network equivalence switch with this peer-group, the corresponding respectively Vector Network equivalence of each peer-group switch, composition of vector net between the 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 to belong 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:
Operation Vector Network agreement on each edge device of each peer-group;
According to the annexation between the setting of the annexation between the peer-group edge device Vector Network equivalence switch.
The described method of utilizing Vector Network upgrading IP network, Vector Network agreement comprise that Vector Network data exchange agreement and Vector Network are called out and seek by agreement.
The described method of utilizing Vector Network upgrading IP network, for each Vector Network equivalence switch defines port numbers respectively, 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 the 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 the vector address of each peer-group to other peer-group, set up peer-group-vector table address respectively, 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 the representative data bag from the information source to the stay of two nights the outbound port number of Vector Network equivalence switch of process.
Carry out the method that data transmit in the network after the described method upgrading, the data that information source is sent are sent to the stay of two nights and may further comprise the steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from the 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 the vector bag and send to next Vector Network equivalence switch by described, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of described peer-group;
S3: describedly go into edge device the vector bag is encapsulated as the IP packet of this peer-group, in this peer-group, transmit, until the edge device that goes out of this peer-group;
S4: go out the IP packet header that edge device is deleted this peer-group among the described step S3, obtain the vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of described peer-group;
S5: repeating step S3-S4, until the edge device of going into of vector bag arrival stay of two nights place peer-group;
S6: the edge device of going into 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, among the step S1, method by inundation, level route obtains the vector address of IP packet from the information source to the stay of two nights, perhaps, peer-group according to information source and place, stay of two nights address, search peer-group-vector table address, obtain the vector address of IP packet from the information source to the stay of two nights.
The method that described data transmit, the edge device that goes out among the step S2 is packaged into vector and may further comprise the steps: go out edge device and will delete vector address behind first component address as prefix, the IP packet that sends together with information source is encapsulated as the vector bag, sends to the edge device of going into 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 may further comprise the steps:
Describedly go into after edge device isolates first component address of current vector address, search the port-IP address table of this peer-group on this basis, determine the edge device that of this peer-group;
Described go into edge device with IP packet header of this peer-group as prefix, be encapsulated as the IP packet of this peer-group together with the vector bag behind first component address of the current vector address of deletion, 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 the heterogeneous networks function and the characteristic of node in the network, thereby proposed to reach by the upgrading edge device 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 reduce upgrade cost greatly.
(2) the present invention analyzes the characteristic of Vector Network, therefrom extracts the technology of the IP network that is used to upgrade, 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 the upgrading show as Vector Network, possess the advantage of Vector Network, make network after the upgrading better meet user's demand at high level.
(3) the present invention has used the transmission plane upgrading scheme with vectorial exchange features, adopt the IP retransmission method between vectorial switching technology replacement peer-group, make the network after the upgrading show as Vector Network at high level, the advantage that has kept the Vector Network guaranteed qos can effectively guarantee the performance of large scale network.
(4) the present invention utilizes that equivalent switch technology is encapsulated as independent one by one object to each IP subnet in the Vector Network, makes that the object after the encapsulation all satisfies fractal characteristic, thereby succinctly intercommunication mutually effectively realizes extensibility.
(5) the present invention adopts the vector exchange between the IP network peer-group, realizes the simple operation of transmitting, and the implementation complexity of inter-domain routing is reduced, and can shorten the convergence time of inter-domain routing to a great extent, thereby further improve network performance.
Description of drawings
Fig. 1 is an 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.
Referring to shown in Figure 1, be IP network physical connection schematic diagram.The node of IP network comprises IP terminal equipment and ip router, and the IP terminal equipment is exactly common IP user's terminal, represents with A, B, C respectively in the drawings, as the initiation point and the terminating point of packet; Ip router is responsible for collecting topology and provides seeking by service, is responsible for simultaneously the packet that arrives is transmitted.
The invention provides a kind of method of utilizing Vector Network upgrading IP network, may further comprise the steps:
S11: according to the geographical position entire I P net is divided into a plurality of peer-group, each peer-group comprises at least one node.
In step S11, according to the geographical position IP network is divided into several peer-group, the node that the geographical position is adjacent is divided into a peer-group during division, and each peer-group satisfies following the requirement:
(1) each node all is divided into a peer-group, does not promptly belong to the node of certain peer-group;
(2) each node only belongs to a unique peer-group;
(3) have between any two nodes of peer-group inside directly and/or indirect link links to each other;
(4) in this peer-group, communicate between any two nodes in the same peer-group.
The division of peer-group also will be considered number of nodes in the peer-group, if number of nodes is more, then require the capacity of device storage information in this peer-group bigger, can bring the bigger time-delay of tabling look-up thus, so generally peer-group is divided into suitable size.
Present embodiment is that unit divides peer-group (but being not limited thereto dividing mode) with the IP subnet, be divided into a peer-group with each IP subnet or by the bigger IP subnet that a plurality of IP subnets are polymerized, adopt this dividing mode, the IP terminal equipment in each peer-group has identical IP address prefix.
Referring to shown in Figure 2, for peer-group of the present invention is divided schematic diagram.According to the IP subnet is unit, and the IP network among Fig. 1 is divided into 5 peer-group, and each peer-group is represented by a logical node that all this logical node is a Vector Network equivalence switch.The sign of logical node adopts the network address of the corresponding IP subnet of this peer-group in the present embodiment.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.
After a big IP network is divided into several peer-group,, need edge device be set, be set to the peer-group edge device with the direct-connected node of other peer-group interior nodes in the peer-group on the peer-group border in order to utilize Vector Network upgrading IP network.
S12: will be edge device with the direct-connected node definition of other peer-group interior nodes in the peer-group.
S13: the edge device of each peer-group upgrades to corresponding Vector Network equivalence switch with this peer-group, the corresponding respectively Vector Network equivalence of each peer-group switch, composition of vector net between the Vector Network equivalence switch.
Because the IP network after the upgrading is common IP network in peer-group, what show between peer-group is the characteristic of Vector Network, therefore edge device had both needed to carry out the agreement of common IP network, also want simultaneously running boundary device specific agreement, that is to say that the network after the 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 big, also can consider to set up many levels, having only the bottom is IP network, other level all shows as Vector Network.
After IP network is divided into some peer-group, make the upgrading IP network be more prone to implement.Through being common IP network in each peer-group after division, move existing IP network agreement, can rely on suitable underloading to keep 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 the upgrading is made up of equivalent switch, what show between peer-group is the characteristic of Vector Network, QoS mechanism that can the firing count vector net can simple and effective guaranteed qos.
Referring to shown in Figure 3, be the chain of command layer architecture schematic diagram of Fig. 1 IP network.Present embodiment is example with the two-tier system, the IP network of Fig. 1 is divided into the high-rise Vector Network and the peer-group of bottom, set up network hierarchy framework (process of setting up of chain of command layer architecture is not within discussion scope of the present invention) by the edge device of peer-group 1-5, each peer-group is upgraded to Vector Network equivalence switch respectively, and the network after the upgrading sees it is the Vector Network that equivalent switch is formed on the whole.Peer-group 1 has an edge device, and with the 192.168.122.1 sign, peer-group 1 upgrades to Vector Network equivalence switch a; Peer-group 2 has three edge devices, and respectively with 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 with 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 with 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 with the 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 the port numbers of each Vector Network equivalence switch and the IP address relationship of corresponding peer-group edge device, for each peer-group is set up port-IP address table, and the port-IP address table of each peer-group is stored in the edge device of this peer-group.The port of the corresponding at least Vector Network equivalence of the edge device of each peer-group switch.
" port-IP address table " that edge device is stored in the peer-group 1 in the present embodiment is as shown in table 1.
| Port numbers | Corresponding |
| 1 | 192.168.122.1 |
Table 1
" port-IP address table " of edge device storage is as shown in table 2 in the peer-group 2.
| Port numbers | Corresponding |
| 1 | 212.202.144.1 |
| 2 | 212.202.144.3 |
| 3 | 212.202.144.2 |
Table 2
" port-IP address table " of edge device storage is as shown in table 3 in the peer-group 3.
| Port numbers | Corresponding |
| 1 | 219.242.122.1 |
| 2 | 219.242.122.2 |
Table 3
" port-IP address table " of edge device storage is as shown in table 4 in the peer-group 4.
| Port numbers | Corresponding |
| 1 | 59.64.15.1 |
| 2 | 59.64.15.2 |
| 3 | 59.64.15.3 |
Table 4
" port-IP address table " of edge device storage is as shown in table 5 in the peer-group 5.
| Port numbers | Corresponding |
| 1 | 211.221.123.1 |
Table 5
Behind the definition edge device, install on each edge device and operation Vector Network agreement, the Vector Network agreement comprises that Vector Network data exchange agreement and Vector Network are called out and 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 are formed high-rise Vector Network, annexation in the Vector Network between the equivalent switch is set according to the annexation between the peer-group edge device, if promptly have direct link to link to each other between two peer-group edge devices, then in high-rise Vector Network, just has the relation that directly links to each other between two Vector Network equivalence switches of corresponding these two peer-group.
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 the vector address of each peer-group to other peer-group, set up peer-group-vector table address respectively, 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 the representative data bag from the 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 the vector address of information source to 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 content of " peer-group-vector table address " as shown in table 6.
| Source peer-group-purpose peer-group | The IP address of purpose 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
The content of " peer-group-vector table address " is as shown in table 7 in the edge device of peer-group 2.
| Source peer-group-purpose peer-group | The IP address of purpose 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
The content of " peer-group-vector table address " is as shown in table 8 in the edge device of peer-group 3.
| Source peer-group-purpose peer-group | The IP address of purpose 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
The content of " peer-group-vector table address " is as shown in table 9 in the edge device of peer-group 4.
| Source peer-group-purpose peer-group | The IP address of purpose 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
The content of " peer-group-vector table address " is as shown in table 10 in the edge device of peer-group 5.
| Source peer-group-purpose peer-group | The IP address of purpose 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, in " port-IP address table ", search the IP address that edge device of each peer-group according to each component address corresponding port by after the operation.
After " peer-group-vector table address " and " port-IP address table " set up and finished, transmission plane just can provide packet to transmit service exactly.When the topology situation of peer-group inside changed, " peer-group-vector table address " and " port-IP address table " needed immediate updating.
The present invention also provides in a kind of network after utilizing the said method upgrading and carries out the method that data transmit, be that the output packet repeating process is decomposed into two kinds of processes, a kind of is data forwarding process between the peer-group, adopt vectorial switching method, another kind is the data forwarding process in the peer-group, adopts the IP network data forwarding method.
The data that information source is sent are sent to the stay of two nights and may further comprise the steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from the information source to the stay of two nights according to the peer-group at information source and stay of two nights place.
Wherein, the edge device of information source place peer-group can pass through the vector address of method acquisition packet from the information source to the stay of two nights of inundation, level route.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 the 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 the vector bag and send to next Vector Network equivalence switch by described, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of described peer-group.
Go out edge device and will delete vector address behind first component address as prefix, the IP packet that sends together with information source is encapsulated as the vector bag, send to next Vector Network equivalence switch through Vector Network, according to the peer-group of this equivalence switch correspondence, obtain the edge device of going into of this peer-group.
S3: describedly go into edge device the vector bag is encapsulated as the IP packet of this peer-group, in this peer-group, transmit, until the edge device that goes out of this peer-group.
Describedly go into after edge device isolates first component address of current vector address, search the port-IP address table of this peer-group on this basis, determine the edge device that of this peer-group.
Described go into edge device with IP packet header of this peer-group as prefix, be encapsulated as the IP packet of this peer-group together with the vector bag behind first component address of the current vector address of deletion, 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 among the described step S3, obtain the vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of peer-group.
S5: repeating step S3-S4, until the edge device of going into of vector bag arrival stay of two nights place peer-group;
S6: the edge device of going into 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, specify the steps flow chart of realizing the packet forwarding in the network of the present invention after utilizing Vector Network upgrading IP network especially exemplified by embodiment.
Send the IP packet from information source A to stay of two nights B, the key step of transmitting 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 the 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 and the stay of two nights address of the IP packet in the peer-group 1 are respectively the IP addresses of information source A and stay of two nights B, represent with SIP1 and DIP5 in the drawings.After the edge device 192.168.122.1 of peer-group 1 receives the packet that information source sends, pass through " peer-group-vector table address " of look-up table 1 according to the peer-group 5 at stay of two nights address D IP5 place, 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 the vector bag and send to next Vector Network equivalence switch b by described, thereby determines the edge device of going into of peer-group 2.
Information source A is positioned at peer-group 1, in the peer-group 1 multiple devices is arranged, 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 " behind first component address " 1 " of peer-group 1 as prefix, the IP packet (SIP1|DIP5|Data) that sends together with information source is encapsulated as this peer-group vector bag (23|SIP1|DIP5|Data), send to next Vector Network equivalence switch b through Vector Network equivalence switch a, according to the corresponding peer-group 2 of Vector Network equivalence switch b, determine going into after edge device is 212.202.144.1 of peer-group 2, go into edge device 212.202.144.1 what vector bag (23|SIP1|DIP5|Data) was sent to peer-group 2.
S3: describedly go into edge device 212.202.144.1 the vector bag is encapsulated as the IP packet of this peer-group, in this peer-group 2, transmit, go out edge device 212.202.144.3 until this peer-group.
The edge device 212.202.144.1 that goes into of peer-group 2 receives vector bag (23|SIP1|DIP5|Data), exchange principle according to 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 go into edge device 212.202.144.1 with IP packet header (SIP2|DIP2) of this peer-group as prefix, together with isolating the IP packet (SIP2|DIP2|3|SIP1|DIP5|Data) that amount bag (3|SIP1|DIP5|Data) behind first component address " 2 " is encapsulated as this peer-group, in peer-group 2, be sent to out edge device 212.202.144.3.
Wherein, source address SIP2 is the IP address 212.202.144.1 into the edge device module, and stay of two nights address D IP2 is the IP address 212.202.144.3 that the edge device module.
S4: after the going out edge device 212.202.144.3 and receive IP packet (SIP2|DIP2|3|SIP1|DIP5|Data) of peer-group 2, deletion IP packet header (SIP2|DIP2), make the IP data packet recovery become vector bag (3|SIP1|DIP5|Data), send to next Vector Network equivalence switch d by Vector Network equivalence switch b, according to the corresponding peer-group 4 of Vector Network equivalence switch d, determine going into after edge device is 59.64.15.1 of peer-group 4, what just vector bag (3|SIP1|DIP5|Data) was sent to peer-group 4 goes into edge device 59.64.15.1.
S5: repeating step S3-S4, until the edge device of going into of vector bag arrival stay of two nights B place peer-group 5.
Concrete, the edge device 59.64.15.1 that goes into 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, and so far, vector address is separated fully.The port 3 of the corresponding Vector Network equivalence of described first component address " 3 " switch d.
Search " port-IP address table " (table 4) of peer-group 4 according to first component address " 3 " of isolating vector address, 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.
Going into after edge device 59.64.15.1 isolates first component address " 3 " of peer-group 4, vector address is empty, represent with NUL in the drawings, with the vector bag (NUL|SIP1|DIP5|Data) that obtains as data, be packaged into IP packet (SIP4|DIP4|NUL|SIP1|DIP5|Data) by prefix IP packet header (SIP4|DIP4), enter the IP subnet of peer-group 4 correspondences, and in peer-group 4, transmit.
Wherein, source address SIP4 is the IP address 59.64.15.1 into the edge device module, and stay of two nights address D IP4 is the IP address 59.64.15.3 that edge device.
After the going out edge device 59.64.15.3 and receive IP packet (SIP4|DIP4|NUL|SIP1|DIP5|Data) of peer-group 4, deletion IP packet header (SIP4|DIP4), make the 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 going into after edge device is 211.221.123.1 of peer-group 5, go into edge device 211.221.123.1 what vector bag (NUL|SIP1|DIP5|Data) was sent to peer-group 5.
S6: the edge device 211.221.123.1 that goes into 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 goes into 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, promptly finish the data forwarding function of whole transmission plane.
The foregoing description is to further specify of the present invention; but it is not as a limitation of the invention; be a kind of more preferably embodiment of the present invention, common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.
Claims (10)
1. method of utilizing Vector Network upgrading IP network is characterized in that may further comprise the steps:
According to the geographical position entire I P net is divided into a plurality of peer-group, each peer-group comprises at least one node;
To be edge device with the direct-connected node definition of other peer-group interior nodes in the peer-group;
The edge device of each peer-group upgrades to corresponding Vector Network equivalence switch with this peer-group, the corresponding respectively Vector Network equivalence of each peer-group switch, composition of vector net between the 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.
2. the method for utilizing Vector Network upgrading IP network according to claim 1 is characterized in that, each node is unique to belong to a peer-group.
3. the method for utilizing Vector Network upgrading IP network according to claim 1 is characterized in that, the method that peer-group is upgraded to a Vector Network equivalence switch comprises:
Operation Vector Network agreement on each edge device of each peer-group;
According to the annexation between the setting of the annexation between the peer-group edge device Vector Network equivalence switch.
4. the method for utilizing Vector Network upgrading IP network according to claim 3 is characterized in that, the Vector Network agreement comprises that Vector Network data exchange agreement and Vector Network are called out and seeks by agreement.
5. the method for utilizing Vector Network upgrading IP network according to claim 4, it is characterized in that, for each Vector Network equivalence switch defines port numbers respectively, 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 the port-IP address table of each peer-group is stored in the edge device of this peer-group.
6. the method for utilizing Vector Network upgrading IP network according to claim 5, it is characterized in that, utilize the topological relation of Vector Network, calculate the vector address of each peer-group to other peer-group, set up peer-group-vector table address respectively, 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 the representative data bag from the information source to the stay of two nights the outbound port number of Vector Network equivalence switch of process.
7. carry out the method that data transmit in the network after utilizing the described method upgrading of claim 6, it is characterized in that the data that information source is sent are sent to the stay of two nights and may further comprise the steps:
S1: the edge device of information source place peer-group obtains the vector address of IP packet from the 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 the vector bag and send to next Vector Network equivalence switch by described, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of described peer-group;
S3: describedly go into edge device the vector bag is encapsulated as the IP packet of this peer-group, in this peer-group, transmit, until the edge device that goes out of this peer-group;
S4: go out the IP packet header that edge device is deleted this peer-group among the described step S3, obtain the vector bag, adopt vectorial exchanged form to send to next Vector Network equivalence switch by Vector Network equivalence switch, according to the peer-group of described next Vector Network equivalence switch correspondence, thereby determine the edge device of going into of described peer-group;
S5: repeating step S3-S4, until the edge device of going into of vector bag arrival stay of two nights place peer-group;
S6: the edge device of going into 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.
8. the method that data according to claim 7 transmit, it is characterized in that, among the step S1, method by inundation, level route obtains the vector address of IP packet from the information source to the stay of two nights, perhaps, 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 the information source to the stay of two nights.
9. the method that data according to claim 7 transmit is characterized in that, the edge device that goes out among the step S2 is packaged into vectorial may further comprise the steps:
Go out edge device and will delete vector address behind first component address as prefix, the IP packet that sends together with information source is encapsulated as the vector bag, sends to the edge device of going into that goes out the direct-connected next peer-group of edge device with this peer-group through Vector Network.
10. the method that data according to claim 7 transmit is characterized in that step S3 may further comprise the steps:
Describedly go into after edge device isolates first component address of current vector address, search the port-IP address table of this peer-group on this basis, determine the edge device that of this peer-group;
Described go into edge device with IP packet header of this peer-group as prefix, be encapsulated as the IP packet of this peer-group together with the vector bag behind first component address of the current vector address of deletion, be sent to the edge device that of this peer-group.
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| CN102394886A (en) * | 2011-11-09 | 2012-03-28 | 无锡南理工科技发展有限公司 | Mobile node vulnerability discrimination method by using reliability vector projection decomposition |
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| CN1514624A (en) * | 2002-12-11 | 2004-07-21 | �������ؼ��ô�˾ | Method of improving calling route selection in special network node interface network |
| CN101052055A (en) * | 2007-03-27 | 2007-10-10 | 北京交通大学 | Method for establishing vector connection on vector data communication net |
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| CN1514624A (en) * | 2002-12-11 | 2004-07-21 | �������ؼ��ô�˾ | Method of improving calling route selection in special network node interface network |
| CN101052055A (en) * | 2007-03-27 | 2007-10-10 | 北京交通大学 | Method for establishing vector connection on vector data communication net |
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| CN102394886A (en) * | 2011-11-09 | 2012-03-28 | 无锡南理工科技发展有限公司 | Mobile node vulnerability discrimination method by using reliability vector projection decomposition |
| CN102394886B (en) * | 2011-11-09 | 2014-06-11 | 李千目 | Mobile node vulnerability discrimination method by using reliability vector projection decomposition |
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