CN110943939B - Network card unit, distributed network switch system and networking method - Google Patents
Network card unit, distributed network switch system and networking method Download PDFInfo
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- CN110943939B CN110943939B CN201911278873.8A CN201911278873A CN110943939B CN 110943939 B CN110943939 B CN 110943939B CN 201911278873 A CN201911278873 A CN 201911278873A CN 110943939 B CN110943939 B CN 110943939B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/354—Switches specially adapted for specific applications for supporting virtual local area networks [VLAN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
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Abstract
The invention discloses a network card unit, a distributed network switch architecture and a networking method, wherein the network card unit comprises a processor, a memory, a power management module and a communication interface; the communication interface comprises a PCIE interface and an Ethernet port, wherein the PCIE interface is used for connecting a server, and the Ethernet port comprises a port I, a port II, a port III and a port IV; the processor is respectively connected with the memory, the power management module and the communication interface; 4 ethernet ports on the network card unit: and the network card units are interconnected to form a switching network. According to the structural form of the network card unit, the invention realizes the architecture and the networking method of the distributed network switch. The invention has the advantages that any single network card unit fails, the overall function of the distributed network switch is not influenced, and the resources of the server processor are not occupied. The invention adopts the virtual switch software, can automatically divide the virtual switch into an additional network port for the virtual machine through the software, and can avoid the restart of the virtual machine.
Description
Technical Field
The invention belongs to the IT field, and particularly relates to a network card unit, a distributed network switch architecture and a networking method.
Background
A Switch means a "Switch" is a network device used for electrical (optical) signal forwarding. It may provide an exclusive electrical signal path for any two network nodes accessing the switch. The most common switch is a network switch.
Existing switch technologies include: technique 1: a distributed virtual switch. The method has the following defects: 1. by adopting the common network card device, the switch management and the Ethernet protocol processing both depend on the processor of the server, and occupy the server resources. Technique 2: a physical switch. The method has the following defects: 1. the cost is high. 2. The space occupation is large. 3. Protocol offloading relies on the server processor, taking up server resources.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a network card unit, a distributed network switch architecture and a networking method.
The purpose of the invention is realized by the following technical scheme:
a network card unit comprises a processor, a memory, a power management module and a communication interface;
the communication interface comprises a PCIE interface and an Ethernet port, wherein the PCIE interface is used for connecting a server, and the Ethernet port comprises a port I, a port II, a port III and a port IV;
the processor is respectively connected with the memory, the power management module and the communication interface;
4 ethernet ports on the network card unit: the network card unit is used for forming a distributed network switch by the network card unit, the distributed network switch comprises a plurality of links, and each link is provided with the same number of network card units;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, and is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides, in the distributed network switch, the fault of any single network card unit does not affect the function realization of the whole distributed network switch.
As a preferred mode, the processor and the memory of the network card unit are provided with protocol processing functions, so that the operations of packaging and unpacking can be completed, and the resources of the server processor are not occupied.
A distributed network switch architecture comprises the network card unit;
the management information between the network card units is transmitted in-band through 4 Ethernet ports of the network card units (the management information in the distributed network switch is transmitted through a virtual management Vlan, and is transmitted in-band without an additional management network port);
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use.
As a preferred mode, the network card unit is connected with the server through a PCIE interface, and is virtualized on the server into a plurality of virtual network ports through a driver, so that virtual machines on the server can access the virtual network ports.
As a preferred mode, the network card units form a distributed network switch, the distributed network switch includes a plurality of links, and each link is provided with the same number of network card units.
Preferably, one ethernet port in the network card units at both ends of each link is set as a port for accessing the public network.
Preferably, the distributed network switch comprises 2 links, and each link is provided with 3 network card units.
As a preferred mode, each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides.
As a preferred mode, the distributed network switch architecture includes a data receiving flow and a data sending flow, and the specific contents are as follows:
a data receiving process:
(1) the data packet flows in from the public network, and the network card accessed into the public network forwards the data packet to the network card corresponding to the destination address according to the destination address in the data packet;
(2) the network card corresponding to the destination address receives the data packet, unpacks the data packet and sends the packet information to the corresponding virtual machine;
(3) the virtual machine writes data into the address and sends the data to the network card through the virtual port;
(4) the network card writes the received data into an address specified by the virtual machine through RDMA;
(5) after the data reception is finished, the network card sends a data reception finishing mark to the source address;
and (3) data sending flow:
(1) the virtual machine sends information such as destination address and data address to be sent to the network card;
(2) the network card packages the data and forwards the data to the network card accessed to the public network;
(3) and the network card accessed into the public network sends the data packet to a destination address.
A networking method of a distributed network switch comprises the network card unit;
the management information between the network card units is transmitted in the 4 Ethernet ports of the network card units;
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use;
the network card unit is connected with the server through a PCIE interface, and is virtualized into a plurality of virtual network ports on the server through a driving program for accessing a virtual machine on the server;
the distributed network switch consists of a plurality of network card units, the distributed network switch comprises a plurality of links, and each link is provided with the same number of network card units;
the network card units at two ends of each link have at least one Ethernet port as the port for accessing the public network;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides.
The invention has the beneficial effects that:
1. the network card unit is provided with 4 Ethernet ports, so that the interconnection of the network card unit can be realized by adopting the interconnection mode of the invention, and the integral function of the distributed network switch is not influenced by the fault of any single network card unit.
2. The network card unit is provided with a protocol processor and a memory, can complete the operations of packaging and unpacking and does not occupy the resources of a server processor.
3. Management information of the distributed network switch is transmitted in-band through the virtual Vlan.
4. The network card unit is connected with the server through PCIE, and is virtualized into a plurality of virtual network ports on the server through a driving program, so that virtual machines on the server can be accessed. The invention adopts virtual switch software to provide a virtual network port for the virtual machine. If a certain network port fails, the network port can be automatically divided into another network port by software to be provided for the virtual machine, so that the virtual machine can be prevented from being restarted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a diagram of a network card unit;
FIG. 2 is a schematic diagram of a network switching architecture;
fig. 3 is a schematic structural diagram of a logical layer and a physical layer.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
As shown in fig. 1, a network card unit includes a processor, a memory, a power management module, and a communication interface;
the communication interface comprises a PCIE interface and an Ethernet port, wherein the PCIE interface is used for connecting a server, and the network card unit can be directly inserted into a PCIE slot in the server without occupying the space outside the server; the Ethernet port comprises a port I, a port II, a port III and a port IV;
the processor is respectively connected with the memory, the power management module and the communication interface;
4 ethernet ports on the network card unit: the network card unit is used for forming a distributed network switch by the network card unit, the distributed network switch comprises a plurality of links, and each link is provided with the same number of network card units;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, and is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides, in the distributed network switch, the fault of any single network card unit does not affect the function realization of the whole distributed network switch.
The processor and the memory of the network card unit have protocol processing functions, so that the operations of packaging and unpacking can be finished, and the resources of a server processor are not occupied. The network card unit replaces a server processor to perform the work of packaging and unpacking, the occupancy rate of the server processor is reduced, and the performance of the server is improved.
Example two
A distributed network switch architecture comprises the network card unit;
the management information between the network card units is transmitted in-band through 4 Ethernet ports of the network card units (the management information in the distributed network switch is transmitted through a virtual management Vlan, and is transmitted in-band without an additional management network port);
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use.
The network card unit is connected to the server through PCIE, and is virtualized on the server into a plurality of virtual network ports through a driver, so that the virtual machines on the server can access the virtual network ports, and the structure of the network card unit is shown in fig. 3.
The network card units form a distributed network switch, the distributed network switch comprises a plurality of links, and the same network card unit is arranged on each link. As shown in FIG. 2, a distributed network switch includes2-Link CircuitEach link is provided with 3 network card units.
One Ethernet port in the network card units at two ends of each link is set as a port for accessing a public network.
Each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides (upper and lower levels) of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides. Note that: the invention defines that each link comprises a plurality of stages of network card units, wherein the first end network card unit is a first stage network card unit, the second end network card unit is a last stage network card unit, and the stage number from the first end network card unit to the second end network card unit is increased step by step. As shown in fig. 2, the first-end network card unit is a first-level network card unit, the second-end network card unit is a third-level network card unit, and the intermediate network card unit has only one level and is a second-level network card unit.
The network card units of the invention can be infinitely cascaded theoretically, and virtual switches with different port scales can be formed according to requirements. The physical switch is limited by the number of ports and cannot be expanded horizontally.
The distributed network switch architecture comprises a data receiving process and a data sending process, and the specific contents are as follows:
a data receiving process:
(1) the data packet flows in from the public network, and the network card accessed into the public network forwards the data packet to the network card corresponding to the destination address according to the destination address in the data packet;
(2) the network card corresponding to the destination address receives the data packet, unpacks the data packet and sends the packet information to the corresponding virtual machine;
(3) the virtual machine writes data into the address and sends the data to the network card through the virtual port;
(4) the network card writes the received data into an address specified by the virtual machine through RDMA;
(5) after the data reception is finished, the network card sends a data reception finishing mark to the source address;
and (3) data sending flow:
(1) the virtual machine sends information such as destination address and data address to be sent to the network card;
(2) the network card packages the data and forwards the data to the network card accessed to the public network;
(3) and the network card accessed into the public network sends the data packet to a destination address.
EXAMPLE III
A networking method of a distributed network switch comprises the network card unit;
the management information between the network card units is transmitted in-band through 4 Ethernet ports of the network card units (the management information in the distributed network switch is transmitted through a virtual management Vlan, and is transmitted in-band without an additional management network port);
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use;
the network card unit is connected with the server through PCIE, and is virtualized into a plurality of virtual network ports on the server through a driving program for accessing virtual machines on the server;
the distributed network switch consists of a plurality of network card units, the distributed network switch comprises a plurality of links, and each link is provided with the same network card unit;
the network card units at two ends of each link have at least one Ethernet port as the port for accessing the public network;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides (upper and lower levels) of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides. Note that: the invention defines that each link comprises a plurality of stages of network card units, wherein the first end network card unit is a first stage network card unit, the second end network card unit is a last stage network card unit, and the stage number from the first end network card unit to the second end network card unit is increased step by step. As shown in fig. 2, the first-end network card unit is a first-level network card unit, the second-end network card unit is a third-level network card unit, and the intermediate network card unit has only one level and is a second-level network card unit.
Since the method described in this embodiment is a method adopted for implementing a distributed network switch architecture in the embodiment of the present invention, a person skilled in the art can understand the specific implementation and various variations of the architecture in this embodiment, and therefore how to implement the method in the embodiment of the present invention in the architecture is not described in detail here. The framework adopted by the method in the embodiment of the invention is only adopted by the person skilled in the art, and the person is within the protection scope of the invention.
In summary, the present invention provides a network card unit, a distributed network switch architecture and a networking method for overcoming the defects in the prior art, and the following functions can be realized by the present invention:
1. the prior art adopts the switch, and after the switch breaks down, all equipment connected with the switch can not work. The network card unit of the invention is provided with 4 Ethernet ports, the interconnection of the network card unit can be realized by adopting the interconnection mode, and the integral function of the distributed network switch is not influenced by the fault of any single network card unit.
2. The network card unit is provided with a protocol processor and a memory, can complete the operations of packaging and unpacking and does not occupy the resources of a server processor. In the prior art, a server CPU completes encapsulation and unpacking, and occupies server resources.
3. The existing switch technology is an independent management network port. The management information of the distributed network switch is transmitted in-band through the virtual Vlan.
4. In the prior art, a PCIE network card is virtualized into a plurality of PCIE network cards by a PCIE virtualization technology. The technical disadvantage is that if the virtual PCIE network card is in error, the virtual machine needs to be restarted to recover. The network card unit is connected with the server through PCIE, and is virtualized into a plurality of virtual network ports on the server through a driving program, so that virtual machines on the server can be accessed. The invention adopts virtual switch software to provide a virtual network port for the virtual machine. If a certain network port fails, the network port can be automatically divided into another network port by software to be provided for the virtual machine, so that the virtual machine can be prevented from being restarted.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A network card unit, comprising: the network card unit comprises a processor, a memory, a power management module and a communication interface;
the communication interface comprises a PCIE interface and an Ethernet port, wherein the PCIE interface is used for connecting a server, and the Ethernet port comprises a port I, a port II, a port III and a port IV;
the processor is respectively connected with the memory, the power management module and the communication interface;
4 ethernet ports on the network card unit: the network card unit is used for forming a distributed network switch by the network card unit, the distributed network switch comprises a plurality of links, and each link is provided with the same number of network card units;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, and is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides, in the distributed network switch, the fault of any single network card unit does not affect the function realization of the whole distributed network switch.
2. The network card unit of claim 1, wherein: the processor and the memory of the network card unit have protocol processing functions, so that the operations of packaging and unpacking can be finished, and the resources of a server processor are not occupied.
3. A distributed network switch system, characterized by: comprising the network card unit of claim 1 or 2;
the management information between the network card units is transmitted in the 4 Ethernet ports of the network card units;
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use.
4. The distributed network switch system of claim 3, wherein: the network card unit is connected with the server through a PCIE interface, and is virtualized into a plurality of virtual network ports on the server through a driving program, so that virtual machines on the server can be accessed.
5. The distributed network switch system of claim 4, wherein: the network card units form a distributed network switch, the distributed network switch comprises a plurality of links, and the same number of network card units are arranged in each link.
6. The distributed network switch system of claim 5, wherein: the network card units at both ends of each link have an Ethernet port which is set as a port for accessing the public network.
7. The distributed network switch system of claim 6, wherein: the distributed network switch comprises 2 links, and each link is provided with 3 network card units.
8. The distributed network switch system of claim 5, wherein: each link comprises a first end network card unit, a middle network card unit and a second end network card unit;
the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides.
9. The distributed network switch system of claim 8, wherein: the distributed network switch architecture comprises a data receiving process and a data sending process, and the specific contents are as follows:
a data receiving process:
(1) the data packet flows in from the public network, and the network card accessed into the public network forwards the data packet to the network card corresponding to the destination address according to the destination address in the data packet;
(2) the network card corresponding to the destination address receives the data packet, unpacks the data packet and sends the packet information to the corresponding virtual machine;
(3) the virtual machine writes data into the address and sends the data to the network card through the virtual port;
(4) the network card writes the received data into an address specified by the virtual machine through RDMA;
(5) after the data reception is finished, the network card sends a data reception finishing mark to the source address;
and (3) data sending flow:
(1) the virtual machine sends the destination address and data address information to be sent to the network card;
(2) the network card packages the data and forwards the data to the network card accessed to the public network;
(3) and the network card accessed into the public network sends the data packet to a destination address.
10. A networking method for a distributed network switch is characterized in that: comprising the network card unit of claim 1 or 2;
the management information between the network card units is transmitted in the 4 Ethernet ports of the network card units;
the network card unit can virtualize a plurality of network ports to form a local area network for a plurality of virtual machines in the server to use;
the network card unit is connected with the server through a PCIE interface, and is virtualized into a plurality of virtual network ports on the server through a driving program for accessing a virtual machine on the server;
the distributed network switch consists of a plurality of network card units, the distributed network switch comprises a plurality of links, and each link is provided with the same number of network card units;
the network card units at both ends of each link are provided with an Ethernet port which is set as a port for accessing a public network;
each link comprises a first end network card unit, a middle network card unit and a second end network card unit; the first end network card units adjacent to each link are connected, and the second end network card units adjacent to each link are connected; the middle network card unit of one link is not connected with the middle network card unit of the same level of the other link, but is only connected with the network card units at two sides of the middle network card unit of the same level of the other link, and the middle network card unit is connected with the network card units at two sides.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043510A (en) * | 2007-04-29 | 2007-09-26 | 中兴通讯股份有限公司 | PCI-E bus distributed system intra-board and inter-board data communication method |
| CN103391298A (en) * | 2012-05-08 | 2013-11-13 | 上海富欣智能交通控制有限公司 | Rail transit real-time data synchronization system based on network communication |
| CN105119786A (en) * | 2015-07-20 | 2015-12-02 | 中国科学院计算技术研究所 | Full interconnection communication method and full interconnection communication device based on network card direct connection |
| CN107026784A (en) * | 2017-06-13 | 2017-08-08 | 电子科技大学 | A kind of remote dummy private network gateway apparatus and implementation method |
| CN108964959A (en) * | 2017-05-27 | 2018-12-07 | 阿里巴巴集团控股有限公司 | A kind of network interface card direct communication system and data packet monitoring and managing method for virtual platform |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050235353A1 (en) * | 2004-04-16 | 2005-10-20 | Wen-Jiunn Tsay | VPN accelerator card |
| CN105450494B (en) * | 2014-08-20 | 2019-06-25 | 北京云巢动脉科技有限公司 | A kind of virtual network and its implementation |
-
2019
- 2019-12-13 CN CN201911278873.8A patent/CN110943939B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043510A (en) * | 2007-04-29 | 2007-09-26 | 中兴通讯股份有限公司 | PCI-E bus distributed system intra-board and inter-board data communication method |
| CN103391298A (en) * | 2012-05-08 | 2013-11-13 | 上海富欣智能交通控制有限公司 | Rail transit real-time data synchronization system based on network communication |
| CN105119786A (en) * | 2015-07-20 | 2015-12-02 | 中国科学院计算技术研究所 | Full interconnection communication method and full interconnection communication device based on network card direct connection |
| CN108964959A (en) * | 2017-05-27 | 2018-12-07 | 阿里巴巴集团控股有限公司 | A kind of network interface card direct communication system and data packet monitoring and managing method for virtual platform |
| CN107026784A (en) * | 2017-06-13 | 2017-08-08 | 电子科技大学 | A kind of remote dummy private network gateway apparatus and implementation method |
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