CN1819542A - Method for transmitting tunnel information IPv6 tunnel information by IPv4 network - Google Patents
Method for transmitting tunnel information IPv6 tunnel information by IPv4 network Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
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Abstract
The invention is used in IPv4/IPv6 dual-stack router and IPv4/IPv6 dual-stack tri-layer exchanger to transmit IPv6 over IPv4 tunnel endpoint message on IPv4 by using P2P overlay network. Therefore, 6 kinds of control packet and 4 kinds of adjacency state are set on nodes of P2P overlay network, and meanwhile a central register is set to receive the joining request of new node, and the relevant protocol process, protocol packet type and protocol state machine for use in building and maintaining the P2P overlay network, keeping neighboring relationship and transmitting tunnel endpoint message are designed.
Description
Technical field
The method of transmitting the IPv6 tunnel information on the IPv4 network belongs to Internet technical field, relates in particular to the tunneling technique of the IPv4 and the IPv6 network interconnection.
Background technology
In the Internet by IPv4 in the process of IPv6 transition, the IPv6 network in the IPv4 network, i.e. IPv6 " isolated island " since not with the direct-connected circuit of IPv6 backbone network, generally adopt the IPv6-in-IPv4 tunneling technique to obtain IPv6 and support.Tunneling technique commonly used has 6to4 technology and configured tunneling technique.The 6to4 tunnel also needs to replace to common IPv6 address owing to use the IPv6 address of special prefix after transition is finished, can only use as a kind of temporary transient cut-in method.Therefore, more recommend usually to use configured tunneling technique to insert the IPv6 network.The shortcoming of configured tunneling technique is to need manual configuration, administration overhead is big, though can pass through tunnel agent, be Tunnel Broker, automatically set up and the maintain configuration tunnel, but no matter use which kind of method, all can exist one or a few access point to be responsible for transmitting the flow that above-mentioned IP v6 " isolated island " visits other IPv6 networks.There is the single fault point in this architecture, becomes network bottleneck easily, and the flow itself between the IPv6 " isolated island " is the IPv6over IPv4 tunnel forwarding that can directly pass through between IPv6 " isolated island ".The key of setting up the tunnel is to obtain the IPv4 address of endpoint of a tunnel and the IPv6 address realm that can reach, and the endpoint of a tunnel information of how to assist IPv6 " isolated island " gateway to obtain other IPv6 " isolated island " gateway is exactly problem to be solved by this invention.
Summary of the invention
The object of the present invention is to provide a kind of method of on the IPv4 network, transmitting the IPv6 tunnel information.
The invention is characterized in: this is that a kind of running on utilizes the P2P overlapping network to transmit the method for IPv6over IPv4 endpoint of a tunnel information on IPv4 on IPv4/IPv6 dual stack router and the IPv4/IPv6 dual stack three-tier switch, and this method contains following steps successively:
Step 1. initialization:
Safeguard an endpoint of a tunnel information database for each P2P overlay network nodes, in order to preserve known endpoint of a tunnel information, every information in the database comprises:
A1. sequence number: increase progressively new and old in order to label information;
B1.IPv4 address: the IPv4 address of expression endpoint of a tunnel;
C1.IPv6 address realm: the IPv6 address realm that the expression endpoint of a tunnel can reach;
D1. significance bit: whether this information of mark is effective; 0 expression is invalid, and 1 expression effectively;
E1. recent renewal time: note down the time of this information recent renewal, in order to delete the overtime updated information that do not have; For each P2P overlay network nodes is provided with following 6 kinds of control groupings, is used for the foundation of P2P overlapping network and safeguards endpoint of a tunnel diffusion of information and renewal:
A2. call out grouping: carry out neighborhood and set up and maintenance work, be divided into 0 type and 1 type; 0 type is called out grouping and is used for setting up neighborhood with strange node, and 1 type is called out grouping and is used for keeping neighborhood with existing neighbor node;
B2. update packet: finish with the work of the information updating in the local endpoint of a tunnel information database to neighbours;
C2. confirm grouping: finish the work that the update packet that receives is confirmed;
D2. request grouping: carry out asking for the work of the endpoint of a tunnel information that is had to neighbours;
E2. registration packet: carry out requiring to add the work of P2P overlapping network to the registration of center register machine;
F2. reply grouping: as answer, carry part P2P node IP v4 address information, assist new node to add the P2P overlapping network to registration packet;
For each P2P overlay network nodes is provided with following 4 kinds of P2P overlapping network neighborhood states, cooperate described 6 kinds of control groupings to use together:
A3. initial: expression neighborhood initial condition;
B3. one way link: expression has confirmed that neighbours lead to the one way link of this node;
C3. two-way link: the two-way link of neighbours and this node has been confirmed in expression;
D3. upgrade: represent that information has been updated to neighbours in the local endpoint of a tunnel information database; The center register machine is set, it is joined in the described P2P overlapping network as ordinary node, safeguard all node Real-Time IP v4 address informations in the P2P overlapping network, and assist new node to add described P2P overlapping network;
Step 2. new node is registered according to the following steps and is added described P2P overlapping network:
Step 2.1. new node sends registration packet to the center register machine, requires to add described P2P overlapping network;
This center register machine of step 2.2. uses the answer grouping that the part P2P node IP v4 address information of picked at random is sent to this new node;
Step 2.3.
Reply grouping if this new node receives,, send 0 type to these nodes and call out grouping and neighbor state is set for initial then according to resulting part of nodes IPv4 address information;
If overtime not the receiving of this new node replied grouping, then jump to step 2.1;
Step 3. is set up and is safeguarded P2P overlapping network neighborhood according to the following steps and finishes endpoint of a tunnel diffusion of information and renewal:
When step 3.1. is initial when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
When step 3.2. is one way link when the neighbor node state:
If receive the 0 type calling that these neighbours send, then keeping the neighbor node state is one way link, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
If receive the request that these neighbours send, it is two-way link that the neighbor node state then is set, and sends to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
When step 3.3. is two-way link when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, then keeping the neighbor node state is two-way link, sends a request to this neighbours;
If receive the request that these neighbours send, then keeping the neighbor node state is two-way link, sends to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
If receive the renewal that these neighbours send, then keeping the neighbor node state is two-way link, send to confirm to these neighbours, and the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion;
If receive the affirmation that these neighbours send, the neighbor node state then is set for upgrading
When step 3.4. has upgraded when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, then keep the neighbor node state for upgrading;
If receive the request that these neighbours send, then keep the neighbor node state for upgrading, transmission be updated to these neighbours in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
If receive the renewal that these neighbours send, then keep the neighbor node state for upgrading, send and confirm to these neighbours,
And the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion;
If receive the affirmation that these neighbours send, keep the neighbor node state for upgrading;
Step 3.5. is if overtime calling of not receiving that these neighbours send is provided with the neighbor node state for initial.
By above-mentioned P2P overlapping network, can finish the diffusion and the renewal of endpoint of a tunnel information, can assist IPv6 " isolated island " to set up IPv6over IPv4 configured tunneling technique between the IPv6 " isolated island " automatically; In addition, through experimental verification, this method can guarantee that P2P overlapping network 100% is communicated with, therefore, and characteristics distributed, high reliability that this method also has.This shows that the present invention has reached its intended purposes.
Description of drawings
Fig. 1. the network connection layout:
←-----expression registration adds the P2P network ... expression P2P neighbours
Fig. 2. new node login state machine:
Represent the overtime answer grouping of not receiving,
Expression receives replys grouping;
Fig. 3. neighborhood transfering state machine:
Expression receives 1 type and calls out grouping,
Expression receives the request grouping,
Expression receives the confirmation grouping,
Expression receives update packet,
Represent the overtime calling grouping of not receiving.
Embodiment
The present invention has designed one and has run on and utilize the P2P overlapping network to transmit the method for IPv6over IPv4 endpoint of a tunnel information on IPv4/IPv6 dual stack router and the IPv4/IPv6 dual stack three-tier switch on IPv4, design foundation, safeguarded the P2P overlapping network, kept neighborhood and the relevant protocol procedures that transmits endpoint of a tunnel information, protocol packet type and protocol state machine.
This method constitutes a distributed structureless P2P overlapping network by selecting node at random as P2P overlapping relation neighbours, provides access service by a center register machine for new node; Whole network topology as shown in Figure 1, IPv6 " isolated island " borde gateway forms the overlapping network of a P2P by the center register machine, in order to transmit P2P node, i.e. endpoint of a tunnel information.
Each P2P overlay network nodes is safeguarded an endpoint of a tunnel information database, and in order to preserve known endpoint of a tunnel information, every information in the database comprises following content:
A. sequence number: increase progressively new and old in order to label information;
B.IPv4 address: the IPv4 address of expression endpoint of a tunnel;
C.IPv6 address realm: the IPv6 address realm that the expression endpoint of a tunnel can reach;
D. significance bit: whether this information of mark is effective; 0 expression is invalid, and 1 expression effectively;
E. recent renewal time: note down this information recent renewal time, in order to delete the overtime updated information that do not have.
The center register machine provides access service for new node, need to safeguard and upgrade all P2P node IP v4 address informations, because the endpoint of a tunnel information of P2P overlapping network transmission has comprised the IPv4 address of P2P node, therefore the center register machine can be joined the P2P overlapping network as an ordinary node, finish P2P node IP v4 address information by the update mechanism of P2P overlapping network and upgrade.The function of center register machine comprises:
A. participate in the information updating of P2P overlapping network as ordinary node, safeguard all node IP v4 address informations in the P2P overlapping network;
B. after receiving the register requirement of new node, picked at random part of nodes IPv4 address from all P2P node IP v4 address informations replies to this new node, assists this new node to add the P2P overlapping network.
This method utilizes 6 kinds of control groupings to finish the foundation of P2P overlapping network and safeguard work such as endpoint of a tunnel diffusion of information and renewal:
A. call out grouping: carry out neighborhood and set up and maintenance work, be divided into 0 type and 1 type; 0 type is called out grouping and is used for setting up neighborhood with strange node, and 1 type is called out grouping and is used for keeping neighborhood with existing neighbor node;
B. update packet: finish with the work of the information updating in the local endpoint of a tunnel information database to neighbours;
C. confirm grouping: finish the work that the update packet that receives is confirmed;
D. request grouping: carry out asking for the work of the endpoint of a tunnel information that is had to neighbours;
E. registration packet: carry out requiring to add the work of P2P overlapping network to the registration of center register machine;
F. reply grouping: as answer, carry part P2P node IP v4 address information, assist new node to add the P2P overlapping network to registration packet.
4 kinds of P2P overlapping network neighborhood states of this method definition, in conjunction with preceding 4 kinds in above-mentioned 6 kinds of control groupings, in order to foundation and the maintenance of finishing overlapping neighborhood, work such as the diffusion of endpoint of a tunnel information and renewal, neighbor state comprises:
A. initial: expression neighborhood initial condition;
B. one way link: expression has confirmed that neighbours lead to the one way link of this node;
C. two-way link: the two-way link of neighbours and this node has been confirmed in expression;
D. upgrade: represent that information has been updated to neighbours in the local endpoint of a tunnel information database.
When the new node registration adds the P2P overlapping network, at first obtain part P2P node IP v4 address information by the center register machine, set up neighborhood with these nodes again, login state machine such as Fig. 2 may further comprise the steps:
A. new node sends registration packet to the center register machine, requires to add the P2P overlapping network;
B. the center register machine uses the answer grouping that the part P2P node IP v4 address information of picked at random is sent to this new node;
C. if:
I. this new node receives and replys grouping, then according to resulting part of nodes IPv4 address information, sends 0 type to these nodes and calls out grouping and neighbor state is set for initial;
Ii. overtime not the receiving of this new node replied grouping, then jumps to a.
Neighborhood foundation of P2P overlapping network and maintenance and endpoint of a tunnel diffusion of information and update mode machine such as Fig. 3 are described below, if:
A. the neighbor node state is initial, if:
I. receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
Ii. receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
B. the neighbor node state is an one way link, if:
I. receive the 0 type calling that these neighbours send, then keeping the neighbor node state is one way link, and 1 type that sends is called out to these neighbours;
Ii. receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
Iii. receive the request that these neighbours send, it is two-way link that the neighbor node state then is set, and send to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
C. the neighbor node state is a two-way link, if:
I. receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
Ii. receive the 1 type calling that these neighbours send, then keeping the neighbor node state is two-way link, sends a request to this neighbours;
Iii. receive the request that these neighbours send, then keeping the neighbor node state is two-way link, send to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
Iv. receive the renewal that these neighbours send, then keeping the neighbor node state is two-way link, send to confirm to these neighbours, and the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion;
V. receive the affirmation that these neighbours send, the neighbor node state then is set for upgrading;
D. the neighbor node state upgrades, if:
I. receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
Ii. receive the 1 type calling that these neighbours send, then keep the neighbor node state for upgrading;
Iii. receive the request that these neighbours send, then keep the neighbor node state for upgrading, send be updated to these neighbours in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
Iv. receive the renewal that these neighbours send, then keep the neighbor node state, send and confirm, and the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion to these neighbours for upgrading;
V. receive the affirmation that these neighbours send, keep the neighbor node state for upgrading;
E. overtime calling of not receiving that these neighbours send is provided with the neighbor node state for initial.
After node receives neighbours' the update packet of sending, send the affirmation grouping, acknowledge receipt of lastest imformation to neighbours.To each the bar endpoint of a tunnel information in the update packet that receives, if local have this information, but the information sequence that sequence number does not receive is number big, and perhaps there is not this information in this locality, then upgrades local endpoint of a tunnel information database; Otherwise, the corresponding endpoint of a tunnel information in this locality is joined in the new update packet, send to above-mentioned neighbor node; Simultaneously, the local endpoint of a tunnel information database according to upgrading utilizes update packet, and just updated information sends to other neighbours.
Every 1800s, node uses update packet to spread to neighbor node one's own endpoint of a tunnel information sequence number+1; Simultaneously, nearest recent renewal time interval the present is deleted from the endpoint of a tunnel information database greater than the endpoint of a tunnel information of 3*1800s.
When node normally withdrawed from, with own corresponding information sequence in the local endpoint of a tunnel information database number+1, active position was 0, and sends to neighbours by update packet, receive a neighbours' affirmation message at least or all send overtime after, just can withdraw from.
When the IPv4 address of node changes, at first send to neighbours and withdraw from information by update packet, connect the center register machine then and join the P2P overlapping network again.When the IPv6 address realm that can arrive when node changes, then can in the P2P overlapping network, spread renewal by update packet immediately.
Keep syntople by calling out the control message between the P2P overlapping network neighbours, node every 10s state in neighbor list is: the neighbours of one way link/two-way link/upgraded send one time 1 type and call out message.
After 3*10s does not receive the 1 type calling that one way link/two-way link/the update mode neighbours have sent continuously, think that then this neighbor node lost efficacy, neighbours are set to initial condition, simultaneously, corresponding information sequence number+1 with these neighbours in the local endpoint of a tunnel information database, active position is 0, and sends to other neighbours by upgrading the control grouping.
When the neighbours' of the non-initial condition of local neighbor list number less than 5 the time, picked at random is not that the node that has neighbours now attempts setting up neighborhood from local endpoint of a tunnel information database, repeat, more than or equal to 5, the node in the perhaps local endpoint of a tunnel information database is till the existing neighbours up to neighbours' number of non-initial condition; When the node in the local endpoint of a tunnel information database was existing neighbours and does not have neighbours in non-initial condition, the center register machine of reconnecting was registered.
Claims (1)
1. on the IPv4 network, transmit the method for IPv6 tunnel information, it is characterized in that: this is a kind of method of utilizing the P2P overlapping network to transmit IPv6 over IPv4 endpoint of a tunnel information on IPv4/IPv6 dual stack router and the IPv4/IPv6 dual stack three-tier switch on IPv4 that runs on, and this method contains following steps successively:
Step 1. initialization:
Safeguard an endpoint of a tunnel information database for each P2P overlay network nodes, in order to preserve known endpoint of a tunnel information, every information in the database comprises:
A1. sequence number: increase progressively new and old in order to label information;
B1.IPv4 address: the IPv4 address of expression endpoint of a tunnel;
C1.IPv6 address realm: the IPv6 address realm that the expression endpoint of a tunnel can reach;
D1. significance bit: whether this information of mark is effective; 0 expression is invalid, and 1 expression effectively;
E1. recent renewal time: note down the time of this information recent renewal, in order to delete the overtime updated information that do not have;
For each P2P overlay network nodes is provided with following 6 kinds of control groupings, is used for the foundation of P2P overlapping network and safeguards endpoint of a tunnel diffusion of information and renewal:
A2. call out grouping: carry out neighborhood and set up and maintenance work, be divided into 0 type and 1 type; 0 type is called out grouping and is used for setting up neighborhood with strange node, and 1 type is called out grouping and is used for keeping neighborhood with existing neighbor node;
B2. update packet: finish with the work of the information updating in the local endpoint of a tunnel information database to neighbours;
C2. confirm grouping: finish the work that the update packet that receives is confirmed;
D2. request grouping: carry out asking for the work of the endpoint of a tunnel information that is had to neighbours;
E2. registration packet: carry out requiring to add the work of P2P overlapping network to the registration of center register machine;
F2. reply grouping: as answer, carry part P2P node IP v4 address information, assist new node to add the P2P overlapping network to registration packet;
For each P2P overlay network nodes is provided with following 4 kinds of P2P overlapping network neighborhood states, cooperate described 6 kinds of control groupings to use together:
A3. initial: expression neighborhood initial condition;
B3. one way link: expression has confirmed that neighbours lead to the one way link of this node;
C3. two-way link: the two-way link of neighbours and this node has been confirmed in expression;
D3. upgrade: represent that information has been updated to neighbours in the local endpoint of a tunnel information database;
The center register machine is set, it is joined in the described P2P overlapping network as ordinary node, safeguard all node Real-Time IP v4 address informations in the P2P overlapping network, and assist new node to add described P2P overlapping network;
Step 2. new node is registered according to the following steps and is added described P2P overlapping network:
Step 2.1. new node sends registration packet to the center register machine, requires to add described P2P overlapping network;
This center register machine of step 2.2. uses the answer grouping that the part P2P node IP v4 address information of picked at random is sent to this new node;
Step 2.3.
Reply grouping if this new node receives,, send 0 type to these nodes and call out grouping and neighbor state is set for initial then according to resulting part of nodes IPv4 address information;
If overtime not the receiving of this new node replied grouping, then jump to step 2.1;
Step 3. is set up and is safeguarded P2P overlapping network neighborhood according to the following steps and finishes endpoint of a tunnel diffusion of information and renewal:
When step 3.1. is initial when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
When step 3.2. is one way link when the neighbor node state:
If receive the 0 type calling that these neighbours send, then keeping the neighbor node state is one way link, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, it is two-way link that the neighbor node state then is set, and sends a request to this neighbours;
If receive the request that these neighbours send, it is two-way link that the neighbor node state then is set, and sends to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
When step 3.3. is two-way link when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, then keeping the neighbor node state is two-way link, sends a request to this neighbours;
If receive the request that these neighbours send, then keeping the neighbor node state is two-way link, sends to upgrade in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
If receive the renewal that these neighbours send, then keeping the neighbor node state is two-way link, send to confirm to these neighbours, and the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion;
If receive the affirmation that these neighbours send, the neighbor node state then is set for upgrading
When step 3.4. has upgraded when the neighbor node state:
If receive the 0 type calling that these neighbours send, it is one way link that the neighbor node state then is set, and 1 type that sends is called out to these neighbours;
If receive the 1 type calling that these neighbours send, then keep the neighbor node state for upgrading;
If receive the request that these neighbours send, then keep the neighbor node state for upgrading, transmission be updated to these neighbours in order to endpoint of a tunnel information updating that this locality is had to these neighbours;
If receive the renewal that these neighbours send, then keep the neighbor node state for upgrading, send and confirm, and the endpoint of a tunnel information of the renewal that will receive is given all neighbours with upgrading diffusion to these neighbours;
If receive the affirmation that these neighbours send, keep the neighbor node state for upgrading;
Step 3.5. is if overtime calling of not receiving that these neighbours send is provided with the neighbor node state for initial.
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| CNB2006100115034A CN100387020C (en) | 2006-03-17 | 2006-03-17 | Method for transmitting tunnel information IPv6 tunnel information by IPv4 network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405796C (en) * | 2006-09-19 | 2008-07-23 | 清华大学 | Admittance control method for IPv6 switch-in network true source address access |
| CN101610285B (en) * | 2009-06-15 | 2012-10-31 | 北京邮电大学 | P2P communication method in IPv4 and IPv6 coexisting network |
| CN114301994A (en) * | 2021-12-29 | 2022-04-08 | 迈普通信技术股份有限公司 | Dual-stack conversion method, device, network equipment and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008065122A2 (en) * | 2006-11-27 | 2008-06-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Node registering method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2819359B1 (en) * | 2001-01-11 | 2003-04-11 | Cit Alcatel | ROUTING SYSTEM PROVIDING CONTINUITY OF SERVICE, STATE MACHINES ASSOCIATED WITH NEIGHBORING ROUTING SYSTEMS |
| CN1170397C (en) * | 2003-03-31 | 2004-10-06 | 中国科学院计算机网络信息中心 | IPV4 network logon layered switching network method |
| CN1735264A (en) * | 2004-08-10 | 2006-02-15 | 皇家飞利浦电子股份有限公司 | Method and device for point-to-point opposite communication |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405796C (en) * | 2006-09-19 | 2008-07-23 | 清华大学 | Admittance control method for IPv6 switch-in network true source address access |
| CN101610285B (en) * | 2009-06-15 | 2012-10-31 | 北京邮电大学 | P2P communication method in IPv4 and IPv6 coexisting network |
| CN114301994A (en) * | 2021-12-29 | 2022-04-08 | 迈普通信技术股份有限公司 | Dual-stack conversion method, device, network equipment and storage medium |
| CN114301994B (en) * | 2021-12-29 | 2023-09-19 | 迈普通信技术股份有限公司 | Dual-stack conversion method, device, network equipment and storage medium |
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| CN100387020C (en) | 2008-05-07 |
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