CN107528923A - The data transmission method and network adapter of a kind of network adapter - Google Patents
The data transmission method and network adapter of a kind of network adapter Download PDFInfo
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- CN107528923A CN107528923A CN201710916380.7A CN201710916380A CN107528923A CN 107528923 A CN107528923 A CN 107528923A CN 201710916380 A CN201710916380 A CN 201710916380A CN 107528923 A CN107528923 A CN 107528923A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/561—Adding application-functional data or data for application control, e.g. adding metadata
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/321—Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Library & Information Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of new network adapter and its data transmission method for supporting ICP/IP protocol cluster, when being carried out data transmission using the network adapter, main frame application layer need not create session, the encapsulation and decapsulation that need not safeguard session status, need not participate in data.What main frame application layer sent and received is all metadata.The new network adapter is by realizing ICP/IP protocol stack, can be with some protocol negotiations of complete independently, such as establish data connection, encapsulation/decapsulation of network data, data enciphering/deciphering, the compression/de-compression of network data, hardware firewall, the response of network detection message, various routes and link detection mechanism, the even function such as PPP/DHCP subscriber dialings.Metadata, which is only handled, for operating system and existing hardware provides possibility.Greatly improve the data throughout of hardcore.A kind of new host framework can be formed using the present invention, it is small to arrive PC, greatly to all kinds of servers, it is adapted to extensive use.
Description
Technical field
The present invention relates to the data transmission technology in computer networking technology, particularly computer network, specifically relate to
A kind of and new network adapter and its data transmission method for supporting ICP/IP protocol cluster.
Background technology
At this stage because widely using for ICP/IP protocol, enters the main flow that row data communication is main frame using ICP/IP protocol
Configuration.In the OSI seven layer models of network, common network adapter is to be operated in the networking component of link layer, and it is covered
Physical layer and data link layer, it is the interface that computer and transmission medium are connected in LAN, realizes and local network transport medium
Between physical connection and electric signal matching, and transmission and reception, the encapsulation of frame and opening, the medium access control of data frame
System, the coding of data and function of decoding and data buffer storage etc..With cloud computing and commonly used, the network data of cloud storage
Data volume sharply increase, the relation of network data and user are more and more closer.Future, personal PC and the Cloud Server overwhelming majority
Data source in network.
In today that electronic manufacturing technology is more and more ripe, the renewal speed of hardware product is more and more faster, hardware manufacturing into
This is but more and more cheaper.It is more and more ripe that everything comes from electronic manufacturing technology.The hardware configuration of a lot of home PCs can now
Reach the configuration standard of a middle-size and small-size server.Also illustrate that the processing speed of main frame increasingly concerns the use of user from side
Experience.
In this context, the hope of the big internal memory lifting host process speed of high-performance CPU+ will be carried letter by operating system
The pattern of single network adapter is tied down.Fig. 1 shows mode of operation of traditional network adapter on main frame, it is current this
Under kind pattern, network adapter is operated in data link layer, data message parsing/verification, data message encapsulation/verification, user
Data message enciphering/deciphering (User IP Sec VPN access scene), user's message compression/de-compression, the deep analysis of network data
Need to consume a big chunk software and hardware resources of main frame with virus identification etc. these operations.This " morbid state " pattern simultaneously
Under, only it could maintain Consumer's Experience by constantly upgrading CPU, internal memory even mainboard.This can be worldwide very big by one
Kind expense.
Simultaneously as operating system has the scheduling of task in operation, the response to link detection message is difficult as hard
Part equally makes quick response.So link down or flow congestion, main frame, which once occurs, to be made in time to data processing
Convergence will result in loss of data.Bigger connection-oriented communication protocol often must be consumed by communication to ensure to lead to
Letter data is not lost.If there is the hardware that can independently support to detect agreement on main frame, the link convergence speed of main frame is just
It can be lifted significantly.
If above expense rejected from existing operating system and hardware resource, give an independent hardware and individually go
Complete.Operating system and application program just need to be only responsible for handling metadata, and that will greatly lift Consumer's Experience, cloud main frame and point
Cloth server also can will have more software and hardware resources to focus on data processing.
Therefore, it is highly desirable that there is a kind of new network adapter for supporting ICP/IP protocol cluster.
The content of the invention
Goal of the invention：In view of the shortcomings of the prior art, the present invention propose a kind of data transmission method of network adapter with
And network adapter, the network data processing based on ICP/IP protocol cluster can be realized.
Technical scheme：A kind of data transmission method of network adapter of the present invention, comprises the following steps：
Application program constructs unique mark of this application in the machine according to module I D or task identification；
Application program notifies the information of new network adapter opposite end by purpose IP address, destination interface, then initiates
Session；
Application program registers a message reception processing interface to new network adapter, for handling return data；
Return data give data to application program, data receiver is complete by message reception processing interface corresponding to session
Into.
Wherein, data transmission method for uplink comprises the following steps：
Structural application layer send data to network adapter required for information, including application program module ID or task mark
Know, purpose IP address or purpose IP address add destination interface, message reception processing interface；
Application layer calls the interface that network adapter provides, the incoming data constructed；
Network adapter session information according to corresponding to incoming data information search, the metadata of application program is carried out
Successively encapsulate, and to distally initiating a session request；
Create session and establish conversational list.
Data receiver method comprises the following steps：
Data are obtained from link layer, and data are successively decapsulated；
According to current sessions information inquiry conversational list；
Conversational list effectively then calls corresponding message reception processing function, gives metadata to application program processing；Session
Table is not present or invalid, then abandons data.
A kind of network adapter, including：
Hardware processor, can be with the interaction of complete independently common protocol and data processing；
Independent hardware memory or the host memory that can independently use, message and data for caching protocol interaction；
Independent non-volatile memory cells, preserve software, user configuration and running log required for its operation；
Multiple link transmit-receive module slots, to support the driving of multiple physical layers transceiver module or Flexible Plugged-in Interface Card and automatic knowledge
Not.
Beneficial effect：The invention discloses a kind of new network adapter and its data transfer for supporting ICP/IP protocol cluster
Method, when being carried out data transmission using the network adapter, main frame application layer need not create session, need not safeguard session shape
State, the encapsulation and decapsulation for needing not participate in data.What main frame application layer sent and received is all metadata.The new network
Adapter, can be with some protocol negotiations of complete independently by realizing ICP/IP protocol stack, such as establish data connection, network data
Encapsulation/decapsulation, data enciphering/deciphering, the compression/de-compression of network data, hardware firewall, network detection message should
Answer, various routes and link detection mechanism, the even function such as PPP/DHCP subscriber dialings.Only locate for operating system and existing hardware
Reason metadata provides possibility.Greatly improve the data throughout of hardcore.It can be formed using the present invention a kind of new
Host framework, it is small to arrive PC, greatly to all kinds of servers, it is adapted to extensive use.
Brief description of the drawings
Fig. 1 is the host work pattern based on traditional network adapter.
Fig. 2 is the host work pattern of the new network adapter based on support ICP/IP protocol cluster of the present invention.
Fig. 3 is the flow chart that new network adapter of the present invention carries out data transmission.
Fig. 4 is the flow chart that new network adapter of the present invention carries out message reception.
Fig. 5 is the system construction drawing of new network adapter of the present invention.
Embodiment
Technical scheme is described further below in conjunction with the accompanying drawings.
The invention discloses a kind of new network for supporting ICP/IP protocol cluster to fit device.As shown in Fig. 2 new network is adapted to
Device covers complete ICP/IP protocol stack, encapsulation/decapsulation of energy complete independently network data, data enciphering/deciphering, network number
According to compression/de-compression, fire wall, network detection message response, it is various route and link detection mechanism, even PPP/
The functions such as DHCP/L2TP subscriber dialings.Processing of the operating system protocol stack to message has been reduced as far as, has been lifted by hardware
The processing speed of network data, has saved the core resources such as CPU, the internal memory of main frame.
The main various functions of new network adapter are implemented as described below：
1) independent data sends and receives
Application program constructs unique mark of this application in the machine according to module I D or task identification；
Application program notifies the information of new network adapter opposite end, Ran Houcai by purpose IP address, destination interface
Session can be initiated；
Meanwhile application program needs to register a message reception processing interface to new network adapter, handles return number
According to；
Return data can give data to application program, data receiver by message reception processing interface corresponding to session
Complete；
In above procedure, application layer need not create session, the envelope that need not be safeguarded session status, need not participate in data
Dress and decapsulation.What main frame application layer sent and received is all metadata.
2) in the network layer handles of new network adapter, the processing of fire wall and depth virus parsing is increased, effectively
Protect Host Security.
3) information such as dial mode, user name, password that new network adapter passes through user configuration, can complete PPP/
DHCP/L2TP is independently dialled, and the maintenance of network is shielded to user.
4) new network adapter can add under IPSec VPN scenes to the data sent and received in Internet
Close or decryption.
5) detection of the network link such as support common BFD, VRRP, STP and maintenance agreement, it is autonomous to complete protocol negotiation and answer
Answer.But need user to mount corresponding processing in protocol status change events, application program could be notified.
Specifically, so that following data sends and receives as an example, the course of work of the network adapter of the present invention is described in detail.
As shown in figure 3, it is that adapter progress data transmission comprises the following steps by new network：
Step 301, Structural application layer send required information to data of new network adapter, including but unlimited
In：Application program module ID or task identification, purpose IP address or purpose IP address add destination interface, message reception processing to connect
Mouthful.
Wherein, application program module ID or task identification are used for distinguishing the different application of the machine in new network adapter
Program；
Purpose IP address or purpose IP address add destination interface to be used for network adapter with distally establishing session；
Message reception processing interface is responsible for giving return data to corresponding application layer program processing；
Step 302, application layer call the interface that new network adapter provides, and the incoming data constructed, prepare data
Send；
Step 303, network adapter are according to incoming application program ID or task identification, purpose IP address or purpose IP
Location adds destination interface as session information corresponding to the inquiry of Key values；
Step 304, session information is judged whether, if session information is not present, turn 312 processing, if session
In the presence of turn 305 processing；
Whether step 305, the conversational list that inquires of judgement effective, if conversational list effectively if turn 306 processing, otherwise turn
310 processing；
Step 306, obtain socket information corresponding to session, and the last usage time stamp of refreshing conversational list, the timestamp
The last time usage time of list item is indicated, is available for list item aging mechanism to be contrasted with current time, to determine whether list item exceedes
Digestion period and recovery to be deleted；
Step 307, the metadata to application program carry out TCP/UDP encapsulation；
Step 308, to application metadata or the envelope that the data frame that TCP/UDP encapsulated carries out IP layers was done
Dress；
The link layer packaging of step 309, complete paired data frame；
If the time that step 310, relative last time initiate session has timed, out, turn 312 processing, otherwise turn 310 processing；
Here connection time-out time be for suppress send request of data take place frequently triggering connection establish request, reduce network congestion, this
Time-out time is to allow user configuration；
Step 311, improper value is returned to application program, inform that application program there is currently no available sessions；
Step 312, session establishment request initiated to distal end according to purpose IP address or purpose IP address+destination interface；
If the information that step 313, new network adapter are specified according to application program initiates session success, turn 314
Processing, otherwise turns 315 processing；
Step 314, destination interface group Key added according to module I D or task identification, IP address or purpose IP address, establish one
Individual pseudo conversational table, preserve the information such as conversation failure mark, the timestamp of this session setup time；
Relatively real conversational list, pseudo conversational table be characterised by failure flags be it is suitable can, its role is to record the
Session setup timestamp, it is ensured that not initiate session after the timestamp in a period of time frequently, reduce and unnecessary be
System consumption, after exceeding schedule time, it can again attempt to take with distal end and establish session；
Step 315, according to module I D or task identification, inquiry is gone out on missions corresponding message reception processing interface；
After step 316, conversation establishing success, purpose is added according to module I D or task identification, IP address or purpose IP address
Port set key establishes conversational list, and associates message reception processing interface.If there is pseudo conversational table, then cover.
After return data reach local terminal new network adapter, data can successively be decapsulated.Then according to session information,
Conversational list and corresponding message reception processing interface are inquired, gives data to application program processing.As shown in figure 4, receive number
It is as follows according to specific execution step：
Step 401, data are obtained from link layer, and de-links layer encapsulates；
Step 402, parse and check that IP layers encapsulate, then peel the encapsulation of IP layers off；
Step 403, parse and check that TCP/UDP is encapsulated, then peel the encapsulation of TCP/UDP layers off；
Step 404, according to current sessions acquisition of information to corresponding to session information；
Step 405, according to current sessions information structuring Key, inquire conversational list；
Step 406, judge that conversational list whether there is and effectively, if conversational list exists and effectively, turns 408 processing, otherwise
Turn 407 processing；
If step 407, current sessions table are not present or conversational list is invalid, current data is abandoned；
If step 408, current sessions table exist and effective, message reception processing function corresponding to calling, by first number
According to application program processing is given, the timestamp that conversational list is used then is updated.
Also there is a set of conversational list/pseudo conversational table aging mechanism for network adapter in addition.Ensure that ageing time reaches
Conversational list and pseudo conversational table be deleted recovery.
Compared with legacy network adapter, support the new network adapter of ICP/IP protocol cluster needs on hardware structure
Above-mentioned function can be realized by doing certain extension, as shown in figure 5, new network adapter is including but not limited to bottom
Part：
1) hardware processor, can be with the interaction of complete independently common protocol and data processing.In addition, it can include association is handled
Device, for example, coprocessor that TCP/UDP/IP stems checksum is calculated or other possess the hardware cell of the function；For peace
The network adapter of full application scenarios preferably possesses the coprocessor of supporting common encryption/decryption algorithm or other possess the function
Hardware cell.
3) independent hardware memory or the host memory that can independently use, the message sum for caching protocol interaction
According to.
4) independent non-volatile memory cells, software, user configuration and running log required for its operation are preserved.Really
After protecting main frame start or restarting, network adapter is automatically moved back to normal operating conditions and running log is not lost.
5) certain business data processing ability and business configuration interface, to meet the industry such as user firewall, virus defense
Business needs.
6) multiple link transmit-receive module slots, to support the driving of multiple physical layers transceiver module or Flexible Plugged-in Interface Card and automatic
Identification.The mode of operation of the network adapter can be supported similar to an independent network terminal, its physical layer link link block
Flexible Plugged-in Interface Card and automatic identification, such as ETH link transmit-receives module, Radio Link transceiver module, ppp link transceiver module, atm link
Transceiver module, it so can largely strengthen its practicality under different link scenarios, it is multiple complete without paying
The cost of network orchestration.For example, in ETH link scenarios, matching used with network adapter is that ETH receives and dispatches plug-in card or module,
Turn wireless scene in use, can change or increase a wireless receiving and dispatching plug-in card or module, and network adapter main part without
Need to change.This hardware structure reduces the cost of network adapter to a certain extent.
Maintainable aspect, new network adapter provide the user the administration interface or interface of simplicity, facilitate user to match somebody with somebody
Put or upgrade, complete network network access, the IP/DNS configurations of such as network adapter.
Claims (5)
1. a kind of data transmission method of network adapter, it is characterised in that comprise the following steps：
Application program constructs unique mark of this application in the machine according to module I D or task identification；
Application program notifies the information of network adapter opposite end by purpose IP address, destination interface, then initiates session；
Application program registers a message reception processing interface to network adapter, for handling return data；
Return data give data to application program, data receiver is completed by message reception processing interface corresponding to session.
A kind of 2. data transmission method of network adapter according to claim 1, it is characterised in that data transmission procedure
Comprise the following steps：
Structural application layer to network adapter send data required for information；
Application layer calls the interface that network adapter provides, the incoming data constructed；
Network adapter session information according to corresponding to incoming data information search, the metadata of application program is carried out successively
Encapsulation, and to distally initiating a session request；
Create session and establish conversational list.
3. the data transmission method of a kind of network adapter according to claim 2, it is characterised in that application layer is to network
Information required for adapter sends data includes application program module ID or task identification, purpose IP address or purpose IP address
Add destination interface, message reception processing interface.
A kind of 4. data transmission method of network adapter according to claim 1, it is characterised in that DRP data reception process
Comprise the following steps：
Data are obtained from link layer, and data are successively decapsulated；
According to current sessions information inquiry conversational list；
Conversational list effectively then calls corresponding message reception processing function, gives metadata to application program processing；Conversational list is not
In the presence of or it is invalid, then abandon data.
A kind of 5. network adapter, it is characterised in that including：
Hardware processor, can be with the interaction of complete independently common protocol and data processing；
Independent hardware memory or the host memory that can independently use, message and data for caching protocol interaction；
Independent non-volatile memory cells, preserve software, user configuration and running log required for its operation；
Multiple link transmit-receive module slots, to support the driving of multiple physical layers transceiver module or Flexible Plugged-in Interface Card and automatic identification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710916380.7A CN107528923B (en) | 2017-09-30 | 2017-09-30 | Data transmission method of network adapter and network adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916380.7A CN107528923B (en) | 2017-09-30 | 2017-09-30 | Data transmission method of network adapter and network adapter |
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| CN107528923A true CN107528923A (en) | 2017-12-29 |
| CN107528923B CN107528923B (en) | 2020-08-25 |
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| CN201710916380.7A Active CN107528923B (en) | 2017-09-30 | 2017-09-30 | Data transmission method of network adapter and network adapter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988264A (en) * | 2019-05-22 | 2020-11-24 | 阿里巴巴集团控股有限公司 | Block chain and network system, data receiving and sending method and equipment |
| CN112953977A (en) * | 2021-05-13 | 2021-06-11 | 华锐分布式(北京)技术有限公司 | System data sending method and system |
| CN115103042A (en) * | 2022-05-07 | 2022-09-23 | 深圳市广和通无线股份有限公司 | System based on CPE wide area network management protocol and wireless communication module |
| CN116055542A (en) * | 2022-12-29 | 2023-05-02 | 南京先进计算产业发展有限公司 | Network adapter and high-performance computing cluster server communication connection method |
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| CN101409673A (en) * | 2008-11-12 | 2009-04-15 | 北京恒光创新科技股份有限公司 | Method for transmitting network adapter data, network adapter and system |
| CN105005507A (en) * | 2015-06-25 | 2015-10-28 | 黎亮 | Combinative middleware system based on market |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111988264A (en) * | 2019-05-22 | 2020-11-24 | 阿里巴巴集团控股有限公司 | Block chain and network system, data receiving and sending method and equipment |
| CN112953977A (en) * | 2021-05-13 | 2021-06-11 | 华锐分布式(北京)技术有限公司 | System data sending method and system |
| CN112953977B (en) * | 2021-05-13 | 2021-11-02 | 华锐分布式(北京)技术有限公司 | System data sending method and system |
| CN115103042A (en) * | 2022-05-07 | 2022-09-23 | 深圳市广和通无线股份有限公司 | System based on CPE wide area network management protocol and wireless communication module |
| CN115103042B (en) * | 2022-05-07 | 2024-01-05 | 深圳市广和通无线股份有限公司 | System based on CPE wide area network management protocol and wireless communication module |
| CN116055542A (en) * | 2022-12-29 | 2023-05-02 | 南京先进计算产业发展有限公司 | Network adapter and high-performance computing cluster server communication connection method |
| CN116055542B (en) * | 2022-12-29 | 2024-03-15 | 南京先进计算产业发展有限公司 | Network adapter and high-performance computing cluster server communication connection method |
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| CN107528923B (en) | 2020-08-25 |
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