CN102196055B - Network interface selection method and network device - Google Patents
Network interface selection method and network device Download PDFInfo
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- CN102196055B CN102196055B CN201010134941.6A CN201010134941A CN102196055B CN 102196055 B CN102196055 B CN 102196055B CN 201010134941 A CN201010134941 A CN 201010134941A CN 102196055 B CN102196055 B CN 102196055B
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Abstract
The invention relates to a network interface selection method and a network device. The network interface selection method is implemented at the network device. The network device comprises a network interface selection module, an Ethernet interface connecting port connected with an Ethernet interface module, and a wireless network interface connecting port connected with a wireless network interface module. The method comprises the following steps that: A) the network interface selection module executes a connecting monitoring program to sense an Ethernet connecting state; B) if the Ethernet connecting state indicates a line is smooth, the network interface selection module decides to transmit a packet received by the network device by the Ethernet interface module; and C) if the Ethernet connecting state indicates the line is unsmooth, the network interface selection module decides to transmit the packet by the wireless network interface module.
Description
Technical field
The present invention relates to a kind of network interface selection technology, particularly relate to a kind of network interface system of selection and network equipment for heterogeneous (heterogeneous) network interface.
Background technology
Development due to network technology, user can connect world-wide web by various mode now, for example, by asymmetric user special line (Asymmetric Digital Subscriber Line, be called for short ADSL), Ethernet (Ethernet), or wireless network connects world-wide web.
Generally speaking, in order to increase reliability and the availability of data transmission, data can be sent to world-wide web by a plurality of network connectivities, have at present many load balances (load balance) algorithm, be used for selecting the network connectivity of data transmission.In the environment of heterogeneous network, because the different characteristic of each network, how to be apt to by the characteristic of each network effectively to utilize Internet resources, to maintain network reasonable operation, be an important problem.
With Ethernet and evolution-data optimization (Evolution-Data Optimized or Evolution-Data Only, abbreviation EV-DO) two kinds of heterogeneous networks of network are example, the reliability of EV-DO network is higher than Ethernet, but EV-DO network is common with the charging of package amount, how effectively to utilize EV-DO network, and reach the effect of saving charging, be the object that the present invention wants to reach.
Summary of the invention
The object of the invention is is providing a kind of network interface system of selection.
Another object of the present invention, is providing a kind of network equipment.
The object of the invention to solve the technical problems realizes by the following technical solutions.The network interface system of selection proposing according to the present invention is to be implemented in a network equipment, this network equipment comprises a network interface selection module, the Ethernet interface connectivity port connecting for an Ethernet interface module, and the wireless network interface connectivity port connecting for a wireless network interface module, the package that this network equipment receives selectively by this Ethernet interface module to transmit via an Ethernet, or by this wireless network interface module to transmit via a wireless network, the method comprises the following step: A) this network interface selects module to carry out a line monitoring program to detect an Ethernet connection state, this line monitoring program comprises following sub-step: a-1) check that whether this Ethernet interface module is in an entity line operating state, if, proceed sub-step a-2), otherwise, this Ethernet connection state is a service interruption state, a-2) according to a default Combat Information/Detection Net internet agreement address, determine to proceed sub-step a-3) and a-4) one of them, a-3) when this Combat Information/Detection Net internet agreement address, reach an agreement on address during in same sub-network with a world-wide web of this network equipment, by this Ethernet interface module, transmit the address resolution agp request broadcasting packages about this Combat Information/Detection Net internet agreement address, if have, receive the address resolution agreement response packet corresponding to this address resolution agp request broadcasting packages, this Ethernet connection state is the unimpeded state of a circuit, otherwise this Ethernet connection state is this service interruption state, and a-4) when this Combat Information/Detection Net internet agreement address, reach an agreement on address during not in same sub-network with the world-wide web of this network equipment, by this Ethernet interface module, transmit the world-wide web control information agp request package about this Combat Information/Detection Net internet agreement address, if have, receive the world-wide web control information agreement response packet corresponding to this world-wide web control information agp request package, this Ethernet connection state is the unimpeded state of a circuit, otherwise this Ethernet connection state is this service interruption state, B), when this Ethernet connection state is the unimpeded state of this circuit, this network interface selects module to determine this package to transmit by this Ethernet interface module, and C), when this Ethernet connection state is this service interruption state, this network interface selects module to determine this package to transmit by this wireless network interface module.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid network interface system of selection, it also comprises steps A) a step D before): this network interface is selected module to read a default online pattern and is set to judge an online pattern, when this online pattern is a redundant pattern, and execution step A) to step C).
Preferably, aforesaid network interface system of selection, it also comprises step D) step e afterwards): when this online pattern is a Main Patterns, this network interface selects module to determine this package to transmit by this wireless network interface module.
Preferably, aforesaid network interface system of selection, it also comprises step D) step F afterwards): when this online pattern is a balanced mode, this network interface selects module to utilize a load balance algorithm and coordinate a tactful route to select footpath method, to select this package by this Ethernet interface module and this one of them transmission of wireless network interface module.
Preferably, aforesaid network interface system of selection, wherein in this step F) in, it is to adopt the random algorithm of a Weighting type as this load balance algorithm, with the offered load of this Ethernet of balance and this wireless network that this network interface is selected module.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The network equipment proposing according to the present invention, is applicable to selectively a received package by an Ethernet interface module to transmit via an Ethernet, or by a wireless network interface module to transmit via a wireless network.This network equipment comprises an Ethernet interface connectivity port, a wireless network interface connectivity port, and a network interface is selected module.This Ethernet interface connectivity port is used for this Ethernet interface module and is connected.This wireless network interface connectivity port is used for this wireless network interface module and is connected.This network interface selects module in order to select this package by this Ethernet interface module and this one of them transmission of wireless network interface module.
This network interface selects module to comprise a line monitoring unit, and an interface decision package.This line monitoring unit is in order to carry out a line monitoring program to detect an Ethernet connection state, this line monitoring program is to carry out following action: check that whether this Ethernet interface module is in an entity line operating state, if not, this Ethernet connection state is a service interruption state, if this Ethernet interface module is in this entity line operating state, and a world-wide web agreement address of a default Combat Information/Detection Net internet agreement address and this network equipment is in same sub-network, by this Ethernet interface module, transmit the address resolution agp request broadcasting packages about this Combat Information/Detection Net internet agreement address, if have, receive the address resolution agreement response packet corresponding to this address resolution agp request broadcasting packages, this Ethernet connection state is the unimpeded state of a circuit, otherwise, this Ethernet connection state is this service interruption state, if and this Ethernet interface module is in this entity line operating state, and the world-wide web agreement address of this Combat Information/Detection Net internet agreement address and this network equipment is not in same sub-network, by this Ethernet interface module, transmit the world-wide web control information agp request package about this Combat Information/Detection Net internet agreement address, if have, receive the world-wide web control information agreement response packet corresponding to this world-wide web control information agp request package, this Ethernet connection state is the unimpeded state of a circuit, otherwise, this Ethernet connection state is this service interruption state.This interface decision package in order to determine by this package by this Ethernet interface module and this wireless network interface module wherein whichever transmit, when this Ethernet connection state is the unimpeded state of this circuit, this interface decision package determines this package to transmit by this Ethernet interface module, when this Ethernet connection state is this service interruption state, this interface decision package determines this package to transmit by this wireless network interface module.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, aforesaid network equipment, wherein this wireless network interface connectivity port is one evolution-data optimization interface connectivity port.
Preferably, aforesaid network equipment, wherein this network interface selects module also to comprise an online mode determination, in order to read a default online pattern, set to judge an online pattern, when this online pattern is a redundant pattern, this line monitoring unit is just carried out this line monitoring program, when this online pattern is that this redundant pattern and this Ethernet connection state are during for the unimpeded state of this circuit, this interface decision package determines this package to transmit by this Ethernet interface module, when this online pattern is that this redundant pattern and this Ethernet connection state are during for this service interruption state, this interface decision package determines this package to transmit by this wireless network interface module.
Preferably, aforesaid network equipment, wherein, when this online pattern is a Main Patterns, this interface decision package determines this package to transmit by this wireless network interface module.
Preferably, aforesaid network equipment, it also comprises a balanced mode processing unit, when this online pattern is a balanced mode, this balanced mode processing unit utilizes a load balance algorithm and coordinates a tactful route to select footpath method, to select this package by this Ethernet interface module and this one of them transmission of wireless network interface module.
Preferably, aforesaid network equipment, wherein this balanced mode processing unit is to adopt the random algorithm of a Weighting type as this load balance algorithm, with the offered load of this Ethernet of balance and this wireless network.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, network interface system of selection of the present invention and network equipment at least have following advantages and beneficial effect: when this Ethernet connection state is that circuit is when unimpeded, being about to this package transmits by this Ethernet interface module, when this Ethernet connection state is service interruption, being about to this package transmits by this wireless network interface module, can effectively utilize Internet resources, and reach the effect of saving charging.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is a topology network Organization Chart of a preferred embodiment of network equipment of the present invention.
Fig. 2 is the calcspar of this preferred embodiment of network equipment of the present invention.
Fig. 3 is the flow chart of a preferred embodiment of network interface system of selection of the present invention.
Fig. 4 is the flow chart of the sub-step of step 710 in this preferred embodiment of network interface system of selection of the present invention.
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, network interface system of selection and its embodiment of network equipment, step, structure, feature and effect thereof to proposing according to the present invention, be described in detail as follows.
Refer to shown in Fig. 1 and Fig. 2, one preferred embodiment of network equipment 1 of the present invention, be selectively a received package to be passed through to an Ethernet interface module 21 to transmit via an Ethernet 3, or pass through a wireless network interface module 22 to transmit via a wireless network 4.This network equipment 1 comprises to be used the Ethernet interface connectivity port 11 that connects for this Ethernet interface module 21, uses the wireless network connectivity port 12 connecting for this wireless network interface module 22, and in order to select a network interface of the Internet Transmission interface of this package to select module 13.In this preferred embodiment, this Ethernet interface module 21 is an Ethernet card, and this wireless network interface module 22 is an EV-DO network card.The enforcement aspect of this network equipment 1 is a router, and this wireless network connectivity port 12 is an EV-DO interface connectivity port, and this network interface selects module 13 for being installed on a resident program (daemon) of this network equipment 1.
This network interface selects module 13 to comprise an online mode determination 131, a line monitoring unit 132, an interface decision package 133, and a balanced mode processing unit 134.This online mode determination 131 sets to judge an online pattern in order to an online pattern that reads user and preset.This line monitoring unit 132 is in order to carry out a line monitoring program to detect an Ethernet connection state.This interface decision package 133 in order to determine by this package by this Ethernet interface module 21 and this wireless network interface module 22 wherein whichever transmit.This balanced mode processing unit 134 is in order to utilize a load balance algorithm and to coordinate a tactful route to select footpath (policy routing) method, to select this package by this Ethernet interface module 21 and this wireless network interface module 22 one of them transmission.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, coordinate a preferred embodiment of network interface system of selection of the present invention, can describe further each module of this network equipment 1 and the running between unit.This network interface system of selection comprises the following step.
As shown in step 701～702, the network interface of this network equipment 1 is selected the online mode determination 131 of module 13 to read this default online pattern and is set to judge this online pattern; When this online pattern, set while being set as a Main Patterns, carry out step 703～705 processing; When this online pattern, set while being set as a balanced mode, carry out step 706～709 processing; When this online pattern, set while being set as a redundant pattern, carry out step 710～715 processing.It is worth mentioning that, above-mentioned three kinds of online patterns are only preferred embodiment of the present invention, it be this redundant pattern that the present invention also can set (default setting) decided at the higher level but not officially announced by this online pattern, and directly carry out step 710～715 processing, is not limited to this preferred embodiment and discloses.
With reference to step 703～705, in step 703, this network interface selects module 13 to judge whether this wireless network interface module 22 starts; If so, process to step 705; Otherwise, process to step 704.In step 704, this network interface selects module 13 to start this wireless network interface module 22.In step 705, this network interface selects the interface decision package 133 of module 13 to determine this package to transmit by this wireless network interface module 22.
With reference to step 706～709, in step 706, this network interface selects module 13 to judge whether this wireless network interface module 22 starts; If so, process to step 708; Otherwise, process to step 707.In step 707, this network interface selects module 13 to start this wireless network interface module 22.In step 708, this network interface selects these balanced mode processing unit 134 these load balance algorithms of execution of module 13 to coordinate this strategy route to select footpath method.In step 709, this balanced mode processing unit 134 is according to the execution result of step 708, and selection is passed through this Ethernet interface module 21 and this wireless network interface module 22 one of them transmission by this package.
In this preferred embodiment, this balanced mode processing unit 134 is to adopt the random algorithm of a Weighting type (weighted random algorithm) as this load balance algorithm, offered load with this Ethernet 3 of balance and this wireless network 4, a weight percentage by this wireless network interface module 22 with the package via these wireless network 4 transmission, be to be set by user, its scope that can set is 1%～99%.Due to the technology that step 708 adopts, in field, there is common operator for this reason and know, so do not repeat its details at this.
About the relevant treatment of redundant pattern, with reference to step 710～715.
Consult Fig. 1, Fig. 2 and Fig. 4, in step 710, this network interface selects this line monitoring unit 132 of module 13 to carry out this line monitoring program to detect this Ethernet connection state, and step 710 comprises following sub-step.
710a) check that whether this Ethernet interface module 21 is at entity line work (physicallink up) state; If so, to 710c) process; Otherwise to 710b) process.
710b) setting this Ethernet connection state is a service interruption state.
Whether a Combat Information/Detection Net internet agreement (Internet Protocol the is called for short IP) address that 710c) judgement user presets and an IP address of this network equipment 1 be at same sub-network (subnet); If so, to 710d) process; Otherwise to 710g) process.
For instance, when user is preset as this detecting IP address the IP address of one near-end network equipment 5 of same sub-network, to 710d) process, this near-end network equipment 5 can be a gateway (Gateway); When user is preset as this detecting IP address the IP address of one far-end network apparatus 6 of different sub-network network, to 710g) process, this far-end network apparatus 6 can be a router, or a zone name server (Domain Name Server is called for short DNS).
The address resolution agreement (Address Resolution Protocol is called for short ARP) 710d) transmitting about this detecting IP address by this Ethernet interface module 21 requires (Request) broadcasting packages.
710e) judge whether to receive an ARP and respond (Reply) package; If so, to 710f) process; Otherwise to 710b) process.
710f) setting this Ethernet connection state is the unimpeded state of a circuit.
The world-wide web control information agreement (Internet Control Message Protocol is called for short ICMP) 710g) transmitting about this detecting IP address by this Ethernet interface module 21 requires package.
710h) judge whether to receive an icmp echo package; If so, to 710f) process; Otherwise to 710b) process.
This Ethernet connection state that 710i) output has been set.
Consult Fig. 1, Fig. 2 and Fig. 3, in step 711, this interface decision package 133 judges whether this Ethernet connection state is the unimpeded state of circuit; If so, process to step 712; Otherwise, process to step 713.
In step 712, this interface decision package 133 determines this package to transmit by this Ethernet interface module 21.
In step 713, this network interface selects module 13 to judge whether this wireless network interface module 22 starts; If so, process to step 715; Otherwise, process to step 714.
In step 714, this network interface selects module 13 to start this wireless network interface module 22.
In step 715, this interface decision package 133 determines this package to transmit by this wireless network interface module 22.
In sum, by network interface system of selection of the present invention and realize the network equipment 1 of the method, under this redundant pattern, when this Ethernet connection state is circuit when unimpeded, by this Ethernet interface module 21, transmit, when this Ethernet connection state is service interruption, by this wireless network interface module 22 (EV-DO network card), transmit, can effectively utilize EV-DO network, and reach the effect of saving charging, so really can reach object of the present invention.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (11)
1. a network interface system of selection, be implemented in a network equipment, this network equipment comprises the Ethernet interface connectivity port that a network interface is selected module, connected for an Ethernet interface module, and the wireless network interface connectivity port connecting for a wireless network interface module, the package that this network equipment receives selectively by this Ethernet interface module to transmit via an Ethernet, or by this wireless network interface module to transmit via a wireless network; It is characterized in that described method comprises the following step:
A) this network interface selects module to carry out a line monitoring program to detect an Ethernet connection state, and this line monitoring program comprises following sub-step:
A-1) check that this Ethernet interface module, whether in an entity line operating state, if so, proceeds sub-step a-2), otherwise this Ethernet connection state is a service interruption state;
A-2) according to a default Combat Information/Detection Net internet agreement address, determine to proceed sub-step a-3) and a-4) one of them;
A-3) when this Combat Information/Detection Net internet agreement address, reach an agreement on address during in same sub-network with a world-wide web of this network equipment, by this Ethernet interface module, transmit the address resolution agp request broadcasting packages about this Combat Information/Detection Net internet agreement address, if have, receive the address resolution agreement response packet corresponding to this address resolution agp request broadcasting packages, this Ethernet connection state is the unimpeded state of a circuit, carry out following step B) and C) in B), otherwise, this Ethernet connection state is this service interruption state, carry out following step B) and C) in C), and
A-4) when this Combat Information/Detection Net internet agreement address, reach an agreement on address during not in same sub-network with the world-wide web of this network equipment, by this Ethernet interface module, transmit the world-wide web control information agp request package about this Combat Information/Detection Net internet agreement address, if have, receive the world-wide web control information agreement response packet corresponding to this world-wide web control information agp request package, this Ethernet connection state is the unimpeded state of a circuit, carry out following step B) and C) in B), otherwise, this Ethernet connection state is this service interruption state, carry out following step B) and C) in C),
B), when this Ethernet connection state is the unimpeded state of this circuit, this network interface selects module to determine this package to transmit by this Ethernet interface module; And
C), when this Ethernet connection state is this service interruption state, this network interface selects module to determine this package to transmit by this wireless network interface module.
2. network interface system of selection as claimed in claim 1, it is characterized in that it also comprises steps A) a step D before): this network interface is selected module to read a default online pattern and is set to judge an online pattern, when this online pattern is a redundant pattern, execution step A) to step C).
3. network interface system of selection as claimed in claim 2, it is characterized in that it also comprises step D) step e afterwards): when this online pattern is a Main Patterns, this network interface selects module to determine this package to transmit by this wireless network interface module.
4. network interface system of selection as claimed in claim 2, it is characterized in that it also comprises step D) step F afterwards): when this online pattern is a balanced mode, this network interface selects module to utilize a load balance algorithm and coordinate a tactful route to select footpath method, to select this package by this Ethernet interface module and this one of them transmission of wireless network interface module.
5. network interface system of selection as claimed in claim 4, it is characterized in that: in this step F) in, it is to adopt the random algorithm of a Weighting type as this load balance algorithm, with the offered load of this Ethernet of balance and this wireless network that this network interface is selected module.
6. a network equipment, be applicable to selectively a received package by an Ethernet interface module to transmit via an Ethernet, or by a wireless network interface module to transmit via a wireless network, it is characterized in that described network equipment comprises:
One Ethernet interface connectivity port, uses for this Ethernet interface module and connects;
One wireless network interface connectivity port, uses for this wireless network interface module and connects; And
One network interface is selected module, and in order to select that this package is passed through to this Ethernet interface module and one of them transmission of this wireless network interface module, this network interface selects module to comprise:
One line monitoring unit, in order to carry out a line monitoring program to detect an Ethernet connection state, this line monitoring program is to carry out following action:
Check that whether this Ethernet interface module is in an entity line operating state, if not, this Ethernet connection state is a service interruption state;
If this Ethernet interface module is in this entity line operating state, and a world-wide web agreement address of a default Combat Information/Detection Net internet agreement address and this network equipment is in same sub-network, by this Ethernet interface module, transmit the address resolution agp request broadcasting packages about this Combat Information/Detection Net internet agreement address, if have, receive the address resolution agreement response packet corresponding to this address resolution agp request broadcasting packages, this Ethernet connection state is the unimpeded state of a circuit, otherwise, this Ethernet connection state is this service interruption state, and
If this Ethernet interface module is in this entity line operating state, and the world-wide web agreement address of this Combat Information/Detection Net internet agreement address and this network equipment is not in same sub-network, by this Ethernet interface module, transmit the world-wide web control information agp request package about this Combat Information/Detection Net internet agreement address, if have, receive the world-wide web control information agreement response packet corresponding to this world-wide web control information agp request package, this Ethernet connection state is the unimpeded state of a circuit, otherwise, this Ethernet connection state is this service interruption state, and
One interface decision package, in order to determine by this package by this Ethernet interface module and this wireless network interface module wherein whichever transmit, when this Ethernet connection state is the unimpeded state of this circuit, this interface decision package determines this package to transmit by this Ethernet interface module, when this Ethernet connection state is this service interruption state, this interface decision package determines this package to transmit by this wireless network interface module.
7. network equipment as claimed in claim 6, is characterized in that: this wireless network interface connectivity port is one evolution-data optimization interface connectivity port.
8. network equipment as claimed in claim 6, it is characterized in that: this network interface selects module also to comprise an online mode determination, in order to read a default online pattern, set to judge an online pattern, when this online pattern is a redundant pattern, this line monitoring unit is just carried out this line monitoring program, when this online pattern is that this redundant pattern and this Ethernet connection state are during for the unimpeded state of this circuit, this interface decision package determines this package to transmit by this Ethernet interface module, when this online pattern is that this redundant pattern and this Ethernet connection state are during for this service interruption state, this interface decision package determines this package to transmit by this wireless network interface module.
9. network equipment as claimed in claim 8, is characterized in that: when this online pattern is a Main Patterns, this interface decision package determines this package to transmit by this wireless network interface module.
10. network equipment as claimed in claim 8, it is characterized in that: it also comprises a balanced mode processing unit, when this online pattern is a balanced mode, this balanced mode processing unit utilizes a load balance algorithm and coordinates a tactful route to select footpath method, to select this package by this Ethernet interface module and this one of them transmission of wireless network interface module.
11. network equipments as claimed in claim 10, is characterized in that: this balanced mode processing unit is to adopt the random algorithm of a Weighting type as this load balance algorithm, with the offered load of this Ethernet of balance and this wireless network.
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| US6065062A (en) * | 1997-12-10 | 2000-05-16 | Cisco Systems, Inc. | Backup peer pool for a routed computer network |
| CN1713601A (en) * | 2004-06-21 | 2005-12-28 | 合勤科技股份有限公司 | On-line method for IP configuration of set-free network |
| CN1901737A (en) * | 2005-07-21 | 2007-01-24 | 智捷科技股份有限公司 | Switching and data access method for radio communication device base station |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6065062A (en) * | 1997-12-10 | 2000-05-16 | Cisco Systems, Inc. | Backup peer pool for a routed computer network |
| CN1713601A (en) * | 2004-06-21 | 2005-12-28 | 合勤科技股份有限公司 | On-line method for IP configuration of set-free network |
| CN1901737A (en) * | 2005-07-21 | 2007-01-24 | 智捷科技股份有限公司 | Switching and data access method for radio communication device base station |
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