CN113810200A - Communication device and data center - Google Patents
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- CN113810200A CN113810200A CN202110933491.5A CN202110933491A CN113810200A CN 113810200 A CN113810200 A CN 113810200A CN 202110933491 A CN202110933491 A CN 202110933491A CN 113810200 A CN113810200 A CN 113810200A
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- 230000005540 biological transmission Effects 0.000 description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/54—Organization of routing tables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/20—Support for services
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Abstract
The invention discloses a communication device, comprising: each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module; the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server; the first network card of each server is configured to receive a data packet by using a receiving end, and judge an IP address and an MAC address carried in the data packet by using a forwarding module based on a routing table, so that the data packet is forwarded to other servers through the sending end or directly uploaded to a server where the first network card is located. The invention further provides a data center. The scheme provided by the invention realizes data interaction in a mode of direct connection between network cards.
Description
Technical Field
The invention relates to the field of servers, in particular to a communication device and a data center.
Background
The existing enterprise network and data center network are built and networked based on a network card and a switch in a server, the server processes and packages corresponding service data in data service and sends the data to the switch through the network card, and the switch addresses according to a source IP (Internet Protocol, Internet interconnection Protocol), a destination IP, a source MAC and a destination MAC and sends the data to a destination end to realize data transmission and exchange.
In the existing network environment, data processing is performed at a server side, data transmission is performed by interconnecting a network card and a switch, for example, as shown in fig. 1, a server a and a server B, and a server C perform data transmission, after data processing is required by an upper application of the server a, the data is transmitted to a switch port a corresponding to the network card a through the network card a of the server a via a protocol stack, is forwarded through the inside of the switch, is transmitted to the network card B on the server B via the switch port B, and is then transmitted to an upper protocol stack to be processed by the server B, or is transmitted to the network card C on the server C via the switch port C, and is then transmitted to the upper protocol stack to be processed by the server C, and data exchange among the servers is performed in this way. This is also the architectural model of mainstream enterprise networks or data centers.
The prior art is designed according to a general network, can meet mainstream application scenes, and is also suitable for a miniaturized network, but the execution efficiency and the cost are poor, for example, three servers a, B and C need to exchange data with the outside, a large amount of coordination data processing needs to be performed among the three servers, namely, the three servers are respectively provided with a network card to be connected to an external network switch and exchange data with the outside, meanwhile, each server needs to be provided with a network card again for the internal coordination processing of the data, and is connected to the internal switch to perform data coordination processing, at this moment, a port of the internal switch is additionally occupied, and because the network environment in the internal switch is possibly complex, a large amount of useless data packets enter the server port, and the load of the server is increased.
Disclosure of Invention
In view of the above, in order to overcome at least one aspect of the above problems, an embodiment of the present invention provides a communication apparatus, including:
each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module;
the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server;
the first network card of each server is configured to receive a data packet by using the receiving end, and judge an IP address and a Media Access Control (MAC) address carried in the data packet by using the forwarding module based on a routing table, so as to forward the data packet to another server through the transmitting end or directly upload the data packet to a server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to the first network card;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
In some embodiments, the first network card further comprises a network card chip;
the forwarding module is further configured to send the IP address and the MAC address carried in the data packet to the network card chip to determine whether the data packet is forwarded to another server.
In some embodiments, the forwarding module is further configured to:
and responding to the judgment of the network card chip that the data packet is forwarded to other servers, and updating the IP address and the MAC address carried by the data packet to a routing table.
Based on the same inventive concept, the embodiment of the present invention further provides a data center, including:
each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module;
the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server;
the first network card of each server is configured to receive a data packet by using the receiving end, and judge an IP address and an MAC address carried in the data packet by using the forwarding module based on a routing table, so that the data packet is forwarded to other servers through the sending end or directly uploaded to a server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to a value corresponding to a server where the first network card is located;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
The invention has one of the following beneficial technical effects: the scheme provided by the embodiment of the invention can realize the functions of data interaction and forwarding by a direct connection mode between network cards without matching switches by adding the forward forwarding module in the network cards, thereby forming a small-scale closed networking, transmitting data in the closed networking, having very high efficiency and safety, saving the number of ports of the switches in cost, relatively reducing the number of useless data packets caused by accessing the switches, reducing the processing load of a server on the useless data packets, and playing a great role in special scenes of the small-scale networking.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 illustrates a connection between multiple servers according to the prior art;
fig. 2 is a schematic diagram of a communication device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network card according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
According to an aspect of the present invention, an embodiment of the present invention provides a communication apparatus, as shown in fig. 2, including a plurality of servers, each of the servers having a first network card disposed thereon.
In some embodiments, as shown in fig. 3, the first network card includes a receiving end, a transmitting end, and a forwarding module.
In some embodiments, a plurality of servers can directly realize data interaction and forwarding functions through a direct connection mode between network cards without matching switches, a small-scale closed networking is formed, data is transmitted in the closed networking, the efficiency and the safety are very high, the number of ports of the switches can be saved in cost, the number of useless data packets caused by accessing the switches is relatively reduced, the processing load of the servers on the useless data packets is reduced, and a great effect can be played in special scenes of the small-scale networking.
In some embodiments, the connection manner among the plurality of servers may be that a sending end of the first network card of the ith server is connected to a receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected to a sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected to the receiving end of the first network card of the first server.
For example, the connection manner between the 4 servers shown in fig. 2 may be that the sending end of the first network card a of the server a may be connected to the receiving end of the first network card B of the server B, the sending end of the first network card B of the server B may be connected to the receiving end of the first network card C of the server C, the sending end of the first network card C of the server C may be connected to the receiving end of the first network card D of the server D, and the sending end of the first network card D of the server D may be connected to the receiving end of the first network card a of the server a. Therefore, the data interaction and forwarding functions are realized directly by the direct connection mode between the network cards, and a small-scale closed networking is formed.
In some embodiments, when data coordination processing is required among a plurality of servers, the first network card of each server is configured to receive a data packet by using the receiving end, and determine an IP address and an MAC address carried in the data packet based on a routing table by using the forwarding module, so as to forward the data packet to another server through the transmitting end or directly upload the data packet to a server where the first network card is located.
Specifically, as shown in fig. 3, a layer of forward forwarding module may be added to the first network card, and the forward forwarding module may perform editing, and is used to distinguish whether a received data packet is a data packet addressed to a local server (i.e., a server where the first network card is located) or a data packet that needs to be forwarded to another server by writing an IP address and an MAC address in a routing table. Therefore, after the first network card receives the data packet, the IP address and the MAC address carried in the data packet can be determined based on the routing table that the data packet needs to be forwarded to another server through the sending end or directly uploaded to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to the first network card;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
Specifically, if the data packet is determined not to be of the local server, the forward forwarding module adds an identification bit to the data packet and directly forwards the data packet from another port. The added identification bit is used for preventing data congestion caused by unlimited forwarding of a data packet if the data packet received by the forward forwarding module is not a data packet of the closed network, for example, the forward forwarding module of any network card receives a data packet which is not required by the local server, and when forwarding, an identification bit is added in the data packet, and after forwarding to the forward forwarding module of the next network card, if the data packet is determined not to be required by the local server, the identification bit is simultaneously identified, if the identification bit is determined to be identified, the identification bit is not changed, and the forwarding is continued until the data packet is forwarded to the forward forwarding module to which the identification bit is added for the first time, and when the data packet is received again, the data packet is directly discarded, the situation that useless data packets are forwarded indefinitely is prevented. Therefore, the data can be effectively transmitted in the closed network, the data transmission process can be effectively monitored, and the congestion of a data channel is avoided.
It should be noted that flag bits added by the forward forwarding modules of different servers are different, and the flag bits may be related to parameters of the server or the MAC address of the first network card. Therefore, whether the identification bit is added by the forward forwarding module of the first network card in different servers can be identified by adding different identification bits.
In some embodiments, the first network card further comprises a network card chip;
the forwarding module is further configured to send the IP address and the MAC address carried in the data packet to the network card chip to determine whether the data packet is forwarded to another server.
In some embodiments, the forwarding module is further configured to:
and responding to the judgment of the network card chip that the data packet is forwarded to other servers, and updating the IP address and the MAC address carried by the data packet to a routing table.
Specifically, as shown in fig. 3, the first network card may further include a network card chip. The forward forwarding module can also be used for communicating with a network card chip, dynamically judging whether a data packet is sent to the local computer or the non-local computer through the network chip, and processing data according to an analysis result. When data is transmitted, the forward forwarding module communicates with the network card chip, the forward forwarding module uploads the target IP in a data packet to the network card chip, the target MAC provides the network card chip for judgment, if the data is local, the forward forwarding module uploads the data to the network card chip completely and uploads the data to a system protocol stack through the network card chip, the forward forwarding module generates a routing table at the moment, the target IP is recorded, the target MAC needs to upload the network card chip, the same target IP is next time, the target MAC information can be directly uploaded to the network card chip, if the target IP in a message header, the target MAC is judged not local through the network card chip, the routing table is recorded, the same target IP is next time, and the information of the target MAC is directly forwarded.
Thus, when data exchange is required between different servers, the data processing can be completed through corresponding network cards, for example, data only needs to be exchanged from port1 of network card a and port0 of network card B, if network card a is to be matched with network card C for data processing, data is transmitted from port1 of network card a to port0 of network card B, forward forwarding module and chip in network card B parse the message header destination IP of the data packet, and the destination MAC finds that the data packet is not local, the data packet is forwarded from port1 of network card B to port0 of network card C through the forward forwarding module, the forward forwarding module and chip in network card C parse the message header destination IP of the data packet, and the data when the destination MAC finds that the data packet is local, is uploaded to a protocol stack through the network card chip for data processing, so that a small-scale closed-loop network can be formed, the closed-loop network not only can realize data exchange, but also can save switch ports, reduce the processing of useless data caused by accessing the switch, and has high data transmission efficiency due to quick forward forwarding.
The scheme provided by the embodiment of the invention can realize the functions of data interaction and forwarding by a direct connection mode between network cards without matching switches by adding the forward forwarding module in the network cards, thereby forming a small-scale closed networking, transmitting data in the closed networking, having very high efficiency and safety, saving the number of ports of the switches in cost, relatively reducing the number of useless data packets caused by accessing the switches, reducing the processing load of a server on the useless data packets, and playing a great role in special scenes of the small-scale networking.
Based on the same inventive concept, the embodiment of the present invention further provides a data center, including:
each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module;
the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server;
the first network card of each server is configured to receive a data packet by using the receiving end, and judge an IP address and an MAC address carried in the data packet by using the forwarding module based on a routing table, so that the data packet is forwarded to other servers through the sending end or directly uploaded to a server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to the first network card;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
In some embodiments, the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
In some embodiments, the first network card further comprises a network card chip;
the forwarding module is further configured to send the IP address and the MAC address carried in the data packet to the network card chip to determine whether the data packet is forwarded to another server.
In some embodiments, the forwarding module is further configured to:
and responding to the judgment of the network card chip that the data packet is forwarded to other servers, and updating the IP address and the MAC address carried by the data packet to a routing table.
The scheme provided by the embodiment of the invention can realize the functions of data interaction and forwarding by a direct connection mode between network cards without matching switches by adding the forward forwarding module in the network cards, thereby forming a small-scale closed networking, transmitting data in the closed networking, having very high efficiency and safety, saving the number of ports of the switches in cost, relatively reducing the number of useless data packets caused by accessing the switches, reducing the processing load of a server on the useless data packets, and playing a great role in special scenes of the small-scale networking.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A communications apparatus, comprising:
each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module;
the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server;
the first network card of each server is configured to receive a data packet by using the receiving end, and judge an IP address and an MAC address carried in the data packet by using the forwarding module based on a routing table, so that the data packet is forwarded to other servers through the sending end or directly uploaded to a server where the first network card is located.
2. The communication apparatus of claim 1, wherein the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
3. The communication apparatus of claim 2, wherein the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to the first network card;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
4. The communication apparatus of claim 3, wherein the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
5. The communications device of claim 1, wherein said first network card further comprises a network card chip;
the forwarding module is further configured to send the IP address and the MAC address carried in the data packet to the network card chip to determine whether the data packet is forwarded to another server.
6. The communication apparatus of claim 5, wherein the forwarding module is further configured to:
and responding to the judgment of the network card chip that the data packet is forwarded to other servers, and updating the IP address and the MAC address carried by the data packet to a routing table.
7. A data center, comprising:
each server is provided with a first network card, and each first network card comprises a receiving end, a sending end and a forwarding module;
the sending end of the first network card of the ith server is connected with the receiving end of the first network card of the (i + 1) th server, the receiving end of the first network card of the ith server is connected with the sending end of the first network card of the (i-1) th server, and the sending end of the first network card of the last server is connected with the receiving end of the first network card of the first server;
the first network card of each server is configured to receive a data packet by using the receiving end, and judge an IP address and an MAC address carried in the data packet by using the forwarding module based on a routing table, so that the data packet is forwarded to other servers through the sending end or directly uploaded to a server where the first network card is located.
8. The data center of claim 7, wherein the forwarding module is further configured to:
responding to the fact that the data packet needs to be forwarded to other servers according to the IP address and the MAC address carried by the data packet, and judging whether a preset identification bit in the data packet is modified or not;
and in response to that the preset identification bit in the data packet is not modified, modifying the preset identification as a value corresponding to the server where the first network card is located.
9. The data center of claim 8, wherein the forwarding module is further configured to:
responding to the modification of a preset identification bit in the data packet, and judging whether a value corresponding to the preset identification bit corresponds to a value corresponding to a server where the first network card is located;
and discarding the data packet in response to the fact that the value corresponding to the preset identification bit corresponds to the server where the first network card is located.
10. The data center of claim 9, wherein the forwarding module is further configured to:
and responding to the situation that the value corresponding to the preset identification bit does not correspond to the server where the first network card is located, and directly forwarding the data packet to other servers.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103297354A (en) * | 2012-03-02 | 2013-09-11 | 日电（中国）有限公司 | Server interlinkage system, server and data forwarding method |
| CN104468389A (en) * | 2014-11-27 | 2015-03-25 | 华为技术有限公司 | Message processing method, servers and server system |
| 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 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297354A (en) * | 2012-03-02 | 2013-09-11 | 日电（中国）有限公司 | Server interlinkage system, server and data forwarding method |
| CN104468389A (en) * | 2014-11-27 | 2015-03-25 | 华为技术有限公司 | Message processing method, servers and server system |
| 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 |
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