CN108090003A - A kind of method, the system of the promotion WEB server performance based on zero-copy - Google Patents

A kind of method, the system of the promotion WEB server performance based on zero-copy Download PDF

Info

Publication number
CN108090003A
CN108090003A CN201711153964.XA CN201711153964A CN108090003A CN 108090003 A CN108090003 A CN 108090003A CN 201711153964 A CN201711153964 A CN 201711153964A CN 108090003 A CN108090003 A CN 108090003A
Authority
CN
China
Prior art keywords
data packet
data
ring
interrupt
interface card
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711153964.XA
Other languages
Chinese (zh)
Inventor
李绍良
黄衍博
杨燕清
黄春豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ruijiang Cloud Computing Co Ltd
Guangdong Eflycloud Computing Co Ltd
Original Assignee
Guangdong Ruijiang Cloud Computing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Ruijiang Cloud Computing Co Ltd filed Critical Guangdong Ruijiang Cloud Computing Co Ltd
Priority to CN201711153964.XA priority Critical patent/CN108090003A/en
Publication of CN108090003A publication Critical patent/CN108090003A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/32Handling requests for interconnection or transfer for access to input/output bus using combination of interrupt and burst mode transfer
    • G06F13/34Handling requests for interconnection or transfer for access to input/output bus using combination of interrupt and burst mode transfer with priority control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/50Queue scheduling
    • H04L47/62Queue scheduling characterised by scheduling criteria
    • H04L47/622Queue service order
    • H04L47/6225Fixed service order, e.g. Round Robin
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/90Buffering arrangements
    • H04L49/9063Intermediate storage in different physical parts of a node or terminal
    • H04L49/9068Intermediate storage in different physical parts of a node or terminal in the network interface card
    • H04L49/9073Early interruption upon arrival of a fraction of a packet

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)

Abstract

A kind of method of the promotion WEB server performance based on zero-copy, it is characterised in that:PF_RING modules are loaded in linux kernel, the network interface card for being loaded with PF_RING modules uses the NAPI mode Catch the Data Packs based on device polling, data packet is stored in annular caching by the way of DMA, data packet is directly reached application layer by PF_RING modules by MMAP mechanism.The present invention sends and receivees rate by reducing intermediate copy process of the communication data between host storage inside, fixture block data packet, improves data communication efficiency, accelerates corresponding speed, so as to promote the performance of web server.

Description

A kind of method, the system of the promotion WEB server performance based on zero-copy
Technical field
The present invention relates to field of computer technology more particularly to a kind of promotion WEB server performances based on zero-copy Method, system.
Background technology
Web server is also known as network server, www server, Http servers, it receives user's request from network, And user's request is made corresponding.Web server can respond static page or picture, can also entrust to the generation of response Some other programs enter CGI, JSP, PHP scripts etc., and the handling result of request is finally returned with form as defined in Http agreements To browser.With the development of modern communication technology, Web system issues the important way with exchanging as various information, so Its performance is the most important thing, in face of ten hundreds of users, improves that the performance of Web server is very urgent, this needs Web service Utensil has higher processing data packets speed and lower transmission delay.And the factor for influencing web server performance mainly has two Aspect:First, network interface card sends and receivees data packet by interrupt mode from network, and exist before network interface card and upper system Data copy, interrupt operation and copy procedure will occupy substantial amounts of cpu resource, second is that the protocol stack of legacy system is in data packet , it is necessary to carry out multiple memory copying in fractionation and encapsulation process, more system time and space resources are occupied.
The content of the invention
It is an object of the invention to propose a kind of method, the system of the promotion WEB server performance based on zero-copy, pass through Intermediate copy process of the communication data between host storage inside is reduced, fixture block data packet sends and receivees rate, improves number According to communication efficiency, accelerate corresponding speed, so as to promote the performance of web server.
For this purpose, the present invention uses following technical scheme:
A kind of method of the promotion WEB server performance based on zero-copy loads PF_RING modules in linux kernel, The network interface card of PF_RING modules is loaded with using the NAPI mode Catch the Data Packs based on device polling, by number by the way of DMA It is stored according to bag in annular caching, data packet is directly reached application layer by PF_RING modules by MMAP mechanism.
Using interrupt mechanism and the NAPI Catch the Data Packs of polling mechanism, improve data packet and send and receive rate, add PF_RING modules are carried, the data packet of capture is copied in annular caching by dma mode, the participation of CPU is reduced, reduces CPU handles expense, improves system performance;Directly accessing the data in annular caching by MMAP modes again reduces a number According to copy, upper system directly accesses annular caching by way of MMAP, reduces copy number of the data in kernel, section Save system space and resource;And the loading mode of PF_RING, it is not necessary to change trawl performance, improve network interface card versatility and can Transplantability has not interfered with the Web server of existing deployment on line and has used.
Preferably, NAPI modes are combined using interrupt mechanism and polling mechanism, and interrupt mechanism is used when data volume is low Data are received, when data volume is high polling mechanism are used to receive data, the NAPI modes based on device polling are used including network interface card The process of Catch the Data Pack:
Step A:When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, network interface card Interrupt signal is sent, CPU receives interrupt signal, and opens interrupters processing starts and handles interrupt requests;
Step B:If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function Interrupt processing can be closed to start, by network device registration into snoop queue, and the interrupt response to the network equipment is closed, touch Feel like jelly interrupt processing;
Step C:After traps processing is triggered, start traps processing, first polled network equipment, then read all Data packet, after reading, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then Traps processing terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
In a busy network, when having network packet arrival every time, it need not all trigger interruption, because in high-frequency The disconnected whole efficiency that may influence system, under high flow capacity, the interruption that network interface card generates is likely to be breached thousands of times per second, and if It interrupts every time and is required for system to handle, be a very big pressure, and when NAPI is using poll is the reception for prohibiting network interface card It interrupts, can so reduce the pressure that system processing is interrupted, NAPI is a kind of raising network processes efficiency used on Linux Technology, its key concept are exactly that data are not read by the way of interruption, and instead wake up data using interruption first and connect The service routine of receipts, then the method for POLL carry out polling data.By using the mode that interrupt mechanism and polling mechanism combine, carry High data packet sends and receivees rate, and then improves network processes speed, further promotes the performance of WEB server.
Preferably, the annular caching is PF_RING interface a and PF_RING interfaces b, PF_ respectively there are two interfaces RING interfaces a writes data packet thereto for network interface card, and PF_RING interfaces b provides read data packet for application layer;Including being loaded with Data packet is reached the process of application layer by the network interface card of PF_RING modules:
Step S1:Network interface card after the NAPI mode Catch the Data Packs of use, passes through the side of DMA by loading PF_RING modules Formula copies data packet to annular caching;
Step S2:Data packet is write PF_RING interfaces a by network interface card by way of MMAP from ring-type caching;
Step S3:Data packet is directly transferred to application layer by PF_RING interfaces b by way of MMAP.
Be loaded with PF_RING modules Linux network interface cards employ the mode Catch the Data Pack of NAPI after, data packet is copied To the circle queue of kernel buffers;The interface of read data packet is realized by MMAP modes.PF_RING is by data packet from kernel Circle queue is passed directly to application layer by MMAP modes, solves the problems, such as traditional kernel processes data packet efficiency than relatively low.
Preferably, including copying data packet to annular caching by way of DMA, and the process in memory is read:
Step R1:CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces;
Step R2:I/O interfaces propose DMA request, and dma controller carries out DMA request priority and judges simultaneously respond request;
Step R3:Then judge whether data packet being loaded into memory, if so, CPU directly reads data packet In memory;If it is not, then reading data packet in annular caching, then CPU is again by digital independent into memory.
DMA refers to that, directly in memory access, hard disk accesses data using dma mode, it is possible to reduce hard disk accounts for CPU With rate, the External Transfer Rate of hard disk is improved;MMAP is exactly memory mapping, is mapped using memory, it is possible to reduce memory copying is saved System time and space resources, so as to promote WEB server performance.
Preferably, the MMAP mechanism only carries out a physical address map for every segment data to the behaviour of virtual address Make, i.e., subsequent access will no longer be detected the legitimacy of address by the data that MMAP mechanism mapped;
MMAP mechanism need not copy data, and data address pointer directly is transferred to application layer.
A kind of system of the promotion WEB server performance methodology based on zero-copy, captures data, so by way of NAPI The data packet of capture is copied in annular caching by dma mode afterwards, directly reaches data packet finally by MMAP mechanism Application layer;Including using NAPI mode Catch the Data Pack modules, it is be combined with each other using interrupt mechanism and polling mechanism, for when number Data are received using interrupt mechanism according to when measuring low, when data volume is high polling mechanism are used to receive data;
When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, during network interface card is sent Break signal, CPU receive interrupt signal, and opens interrupters processing starts and handles interrupt requests;
If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function can close Interrupt processing starts, and by network device registration into snoop queue, and the interrupt response to the network equipment is closed, during triggering is soft Disconnected processing;
After traps processing is triggered, starts traps processing, first polled network equipment, then read all data Bag, after reading, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then in soft Disconnected processing terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
Preferably, including application layer received data packet module, data packet application layer will be reached for network interface card;Network interface card passes through PF_RING modules are loaded, after the NAPI mode Catch the Data Packs of use, are copied to data packet by way of DMA annular slow It deposits;Data packet is write PF_RING interfaces a by network interface card by way of MMAP from ring-type caching;PF_RING interfaces b is by data Bag is directly transferred to application layer by way of MMAP.
Preferably, including copying data packet to annular cache module, data packet is copied to ring-type by way of DMA Caching, then reads in memory;CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces; I/O interfaces propose DMA request, and dma controller carries out DMA request priority and judges simultaneously respond request;Then judge whether by Data packet is loaded into memory, if so, CPU directly reads data packet in memory;If it is not, then data packet is read In ring-type caching, then CPU is again by digital independent into memory.
Description of the drawings
Fig. 1 is that the network interface card of the present invention uses the flow chart of the NAPI mode Catch the Data Packs based on device polling;
Fig. 2 is that data packet is reached the flow chart of application layer by the network interface card of the present invention;
Fig. 3 is the flow chart that data packet is copied to annular caching of the present invention;
Specific embodiment
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of method of promotion WEB server performance based on zero-copy of the present embodiment, loads in linux kernel PF_RING modules are loaded with the network interface card of PF_RING modules using the NAPI mode Catch the Data Packs based on device polling, use Data packet is stored in annular caching by the mode of DMA, and data packet is directly reached application by PF_RING modules by MMAP mechanism Layer.
Preferably, NAPI modes are combined using interrupt mechanism and polling mechanism, and interrupt mechanism is used when data volume is low Data are received, when data volume is high polling mechanism are used to receive data, as shown in Figure 1, being used including network interface card based on device polling NAPI mode Catch the Data Packs process:
Step A:When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, network interface card Interrupt signal is sent, CPU receives interrupt signal, and opens interrupters processing starts and handles interrupt requests;
Step B:If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function Interrupt processing can be closed to start, by network device registration into snoop queue, and the interrupt response to the network equipment is closed, touch Feel like jelly interrupt processing;
Step C:After traps processing is triggered, start traps processing, first polled network equipment, then read all Data packet, after reading, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then Traps processing terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
Preferably, the annular caching is PF_RING interface a and PF_RING interfaces b, PF_ respectively there are two interfaces RING interfaces a writes data packet thereto for network interface card, and PF_RING interfaces b provides read data packet for application layer;As shown in Fig. 2, The process of application layer is reached including being loaded with the network interface cards of PF_RING modules by data packet:
Step S1:Network interface card after the NAPI mode Catch the Data Packs of use, passes through the side of DMA by loading PF_RING modules Formula copies data packet to annular caching;
Step S2:Data packet is write PF_RING interfaces a by network interface card by way of MMAP from ring-type caching;
Step S3:Data packet is directly transferred to application layer by PF_RING interfaces b by way of MMAP.
Preferably, as shown in figure 3, including copying data packet to annular caching by way of DMA, and memory is read In process:
Step R1:CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces;
Step R2:I/O interfaces propose DMA request, and dma controller carries out DMA request priority and judges simultaneously respond request;
Step R3:Then judge whether data packet being loaded into memory, if so, CPU directly reads data packet In memory;If it is not, then reading data packet in annular caching, then CPU is again by digital independent into memory.
Preferably, the MMAP mechanism only carries out a physical address map for every segment data to the behaviour of virtual address Make, i.e., subsequent access will no longer be detected the legitimacy of address by the data that MMAP mechanism mapped;
MMAP mechanism need not copy data, and data address pointer directly is transferred to application layer.
A kind of system of the promotion WEB server performance methodology based on zero-copy, captures data, so by way of NAPI The data packet of capture is copied in annular caching by dma mode afterwards, directly reaches data packet finally by MMAP mechanism Application layer;Including using NAPI mode Catch the Data Pack modules, it is be combined with each other using interrupt mechanism and polling mechanism, for when number Data are received using interrupt mechanism according to when measuring low, when data volume is high polling mechanism are used to receive data;
When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, during network interface card is sent Break signal, CPU receive interrupt signal, and opens interrupters processing starts and handles interrupt requests;
If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function can close Interrupt processing starts, and by network device registration into snoop queue, and the interrupt response to the network equipment is closed, during triggering is soft Disconnected processing;
After traps processing is triggered, starts traps processing, first polled network equipment, then read all data Bag, after reading, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then in soft Disconnected processing terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
Preferably, including application layer received data packet module, data packet application layer will be reached for network interface card;Network interface card passes through PF_RING modules are loaded, after the NAPI mode Catch the Data Packs of use, are copied to data packet by way of DMA annular slow It deposits;Data packet is write PF_RING interfaces a by network interface card by way of MMAP from ring-type caching;PF_RING interfaces b is by data Bag is directly transferred to application layer by way of MMAP.
Preferably, including copying data packet to annular cache module, data packet is copied to ring-type by way of DMA Caching, then reads in memory;CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces; I/O interfaces propose DMA request, and dma controller carries out DMA request priority and judges simultaneously respond request;Then judge whether by Data packet is loaded into memory, if so, CPU directly reads data packet in memory;If it is not, then data packet is read In ring-type caching, then CPU is again by digital independent into memory.
Advantageous effect:
1st, data packet is stored in annular caching using dma mode, reduces CPU processing expenses, improve system performance;
2nd, annular caching is directly accessed by way of MMAP, reduces copy number of the data in kernel, saves system System space and resource;
3rd, using the loading mode of PF_RING, it is not necessary to change trawl performance, improve the versatility and portable of network interface card Property.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this field Personnel would not require any inventive effort the other specific embodiments that can associate the present invention, these modes are fallen within Within protection scope of the present invention.

Claims (8)

  1. A kind of 1. method of the promotion WEB server performance based on zero-copy, it is characterised in that:PF_ is loaded in linux kernel RING modules are loaded with the network interface card of PF_RING modules using the NAPI mode Catch the Data Packs based on device polling, using DMA Mode data packet is stored in annular caching, data packet is directly reached application layer by PF_RING modules by MMAP mechanism.
  2. 2. a kind of method for promoting WEB server performance according to claim 1, it is characterised in that:During NAPI modes use Off line system and polling mechanism are combined, and when data volume is low interrupt mechanism are used to receive data, and poll is used when data volume is high Mechanism receives data, and the process of the NAPI mode Catch the Data Packs based on device polling is used including network interface card:
    Step A:When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, and network interface card is sent Interrupt signal, CPU receive interrupt signal, and opens interrupters processing starts and handles interrupt requests;
    Step B:If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function can close It closes interrupt processing to start, by network device registration into snoop queue, and closes the interrupt response to the network equipment, triggering is soft Interrupt processing;
    Step C:After traps processing is triggered, starts traps processing, first polled network equipment, then read all data Bag, after reading, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then in soft Disconnected processing terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
  3. 3. a kind of method of the promotion WEB server performance based on zero-copy according to claim 1, it is characterised in that:Institute State annular caching and there are two interfaces, be respectively PF_RING interface a and PF_RING interface b, PF_RING interfaces a supply network interface card to Data packet is wherein write, PF_RING interfaces b provides read data packet for application layer;Network interface card including being loaded with PF_RING modules Data packet is reached to the process of application layer:
    Step S1:Network interface card is by loading PF_RING modules, will by way of DMA after the NAPI mode Catch the Data Packs of use Data packet copies annular caching to;
    Step S2:Data packet is write PF_RING interfaces a by network interface card by way of MMAP from ring-type caching;
    Step S3:Data packet is directly transferred to application layer by PF_RING interfaces b by way of MMAP.
  4. 4. a kind of method of the promotion WEB server performance based on zero-copy according to claim 1, it is characterised in that:Bag It includes and copies data packet to annular caching by way of DMA, and read the process in memory:
    Step R1:CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces;
    Step R2:I/O interfaces propose DMA request, and dma controller carries out DMA request priority and judges simultaneously respond request;
    Step R3:Then judge whether data packet being loaded into memory, if so, data packet is directly read memory by CPU In;If it is not, then reading data packet in annular caching, then CPU is again by digital independent into memory.
  5. 5. a kind of method of the promotion WEB server performance based on zero-copy according to claim 1, it is characterised in that:
    The MMAP mechanism only carries out operation of the physical address map to virtual address, i.e. subsequent access for every segment data The legitimacy of address will be no longer detected by the data that MMAP mechanism mapped;
    MMAP mechanism need not copy data, and data address pointer directly is transferred to application layer.
  6. 6. a kind of system of the promotion WEB server performance methodology based on zero-copy, it is characterised in that:It is caught by way of NAPI Data are caught, are then copied the data packet of capture in annular caching to by dma mode, finally by MMAP mechanism directly by number Application layer is reached according to bag;Including use NAPI mode Catch the Data Pack modules, it is be combined with each other using interrupt mechanism and polling mechanism, For receiving data using interrupt mechanism when data volume is low, when data volume is high polling mechanism is used to receive data;
    When network equipment received data packet or transmission data packet, triggering interrupt processing function performs, and network interface card sends interruption letter Number, CPU receives interrupt signal, and opens interrupters processing starts and handles interrupt requests;
    If during interrupt processing function is triggered, having data packet to reach needs to receive, then interrupt processing function can close interruption Processing starts, and by network device registration into snoop queue, and closes the interrupt response to the network equipment, triggers at traps Reason;
    After traps processing is triggered, starts traps processing, first polled network equipment, then read all data packets, read After taking, the network equipment is discharged from snoop queue, and checks that snoop queue is whether as sky, if it is empty, then at traps Reason terminates;If not empty, then a new wheel traps processing is restarted, until snoop queue is sky.
  7. 7. a kind of system of the promotion WEB server performance methodology based on zero-copy, feature exist according to claim 6 In:
    Including application layer received data packet module, data packet application layer will be reached for network interface card;Network interface card is by loading PF_RING After the NAPI mode Catch the Data Packs of use, data packet is copied to annular caching by way of DMA for module;Network interface card passes through Data packet is write PF_RING interfaces a by the mode of MMAP from ring-type caching;Data packet is passed through MMAP's by PF_RING interfaces b Mode is directly transferred to application layer.
  8. 8. a kind of system of the promotion WEB server performance methodology based on zero-copy, feature exist according to claim 6 In:Including copying data packet to annular cache module, data packet is copied to annular caching by way of DMA, is then read It gets in memory;CPU carries out dma controller initialization operation and operational order is sent to I/O interfaces;I/O interfaces propose DMA request, dma controller carry out DMA request priority and judge simultaneously respond request;Then judge whether data packet being loaded into In memory, if so, CPU directly reads data packet in memory;If it is not, then read data packet in annular caching, Then CPU is again by digital independent into memory.
CN201711153964.XA 2017-11-20 2017-11-20 A kind of method, the system of the promotion WEB server performance based on zero-copy Pending CN108090003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711153964.XA CN108090003A (en) 2017-11-20 2017-11-20 A kind of method, the system of the promotion WEB server performance based on zero-copy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711153964.XA CN108090003A (en) 2017-11-20 2017-11-20 A kind of method, the system of the promotion WEB server performance based on zero-copy

Publications (1)

Publication Number Publication Date
CN108090003A true CN108090003A (en) 2018-05-29

Family

ID=62172650

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711153964.XA Pending CN108090003A (en) 2017-11-20 2017-11-20 A kind of method, the system of the promotion WEB server performance based on zero-copy

Country Status (1)

Country Link
CN (1) CN108090003A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109460671A (en) * 2018-10-21 2019-03-12 北京亚鸿世纪科技发展有限公司 A method of realizing that web page contents are anti-tamper based on operating system nucleus
CN109889403A (en) * 2019-01-30 2019-06-14 北京云端智度科技有限公司 A kind of CDN network flow rate testing methods based on polling mechanism
CN110830385A (en) * 2019-09-25 2020-02-21 上海数荃数据科技有限公司 Packet capturing processing method, network equipment, server and storage medium
CN111181736A (en) * 2019-12-31 2020-05-19 奇安信科技集团股份有限公司 Data transmission method, apparatus, system, medium, and program product
CN111857731A (en) * 2020-07-31 2020-10-30 广州锦行网络科技有限公司 Flux storage method based on linux platform
CN113992608A (en) * 2021-10-25 2022-01-28 北京科东电力控制系统有限责任公司 Method, device and storage medium for optimizing network receiving and transmitting packet path
CN114189462A (en) * 2021-12-08 2022-03-15 北京天融信网络安全技术有限公司 Flow acquisition method and device, electronic equipment and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101178694A (en) * 2006-11-07 2008-05-14 莱克斯信息技术(北京)有限公司 Intel e1000 zero copy method
CN101217573A (en) * 2007-12-29 2008-07-09 厦门大学 A method to speed up message captures of the network card
US20090225767A1 (en) * 2008-03-05 2009-09-10 Inventec Corporation Network packet capturing method
CN102082698A (en) * 2009-11-26 2011-06-01 上海大学 Network data processing system of high performance core based on improved zero-copy technology
US8356299B2 (en) * 2007-06-29 2013-01-15 Lenovo (Beijing) Limited Interrupt processing method and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101178694A (en) * 2006-11-07 2008-05-14 莱克斯信息技术(北京)有限公司 Intel e1000 zero copy method
US8356299B2 (en) * 2007-06-29 2013-01-15 Lenovo (Beijing) Limited Interrupt processing method and system
CN101217573A (en) * 2007-12-29 2008-07-09 厦门大学 A method to speed up message captures of the network card
US20090225767A1 (en) * 2008-03-05 2009-09-10 Inventec Corporation Network packet capturing method
CN102082698A (en) * 2009-11-26 2011-06-01 上海大学 Network data processing system of high performance core based on improved zero-copy technology

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
张令通,徐陶祎: "可编程DMA控制器8237A", 《微机原理与接口技术》 *
温梨梨: "基于零拷贝的Web服务器技术研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 *
王亚,于干,张军,王浩: "PF_RING与NAPI结合的捕包性能优化和仿真", 《计算机工程与应用》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109460671A (en) * 2018-10-21 2019-03-12 北京亚鸿世纪科技发展有限公司 A method of realizing that web page contents are anti-tamper based on operating system nucleus
CN109460671B (en) * 2018-10-21 2021-10-26 北京亚鸿世纪科技发展有限公司 Method for realizing webpage content tamper resistance based on operating system kernel
CN109889403A (en) * 2019-01-30 2019-06-14 北京云端智度科技有限公司 A kind of CDN network flow rate testing methods based on polling mechanism
CN110830385A (en) * 2019-09-25 2020-02-21 上海数荃数据科技有限公司 Packet capturing processing method, network equipment, server and storage medium
CN111181736A (en) * 2019-12-31 2020-05-19 奇安信科技集团股份有限公司 Data transmission method, apparatus, system, medium, and program product
CN111181736B (en) * 2019-12-31 2022-04-05 奇安信科技集团股份有限公司 Data transmission method, device, system and medium
CN111857731A (en) * 2020-07-31 2020-10-30 广州锦行网络科技有限公司 Flux storage method based on linux platform
CN113992608A (en) * 2021-10-25 2022-01-28 北京科东电力控制系统有限责任公司 Method, device and storage medium for optimizing network receiving and transmitting packet path
CN113992608B (en) * 2021-10-25 2024-01-05 北京科东电力控制系统有限责任公司 Network transceiver packet path optimization method, device and storage medium
CN114189462A (en) * 2021-12-08 2022-03-15 北京天融信网络安全技术有限公司 Flow acquisition method and device, electronic equipment and storage medium
CN114189462B (en) * 2021-12-08 2024-01-23 北京天融信网络安全技术有限公司 Flow acquisition method and device, electronic equipment and storage medium

Similar Documents

Publication Publication Date Title
CN108090003A (en) A kind of method, the system of the promotion WEB server performance based on zero-copy
US11886355B2 (en) Emulated endpoint configuration
Guo et al. Clio: A hardware-software co-designed disaggregated memory system
Zhang et al. {FlashShare}: Punching Through Server Storage Stack from Kernel to Firmware for {Ultra-Low} Latency {SSDs}
US10678432B1 (en) User space and kernel space access to memory devices through private queues
EP3920034B1 (en) Systems and methods for scalable and coherent memory devices
US8631181B2 (en) Validating message-signaled interrupts by tracking interrupt vectors assigned to devices
US7836212B2 (en) Reflecting bandwidth and priority in network attached storage I/O
Flajslik et al. Network Interface Design for Low Latency {Request-Response} Protocols
US20170286323A1 (en) Memory access protection apparatus and methods
CN111143242B (en) Cache prefetching method and device
CN102571925B (en) RDMA (Remote Direct Memory Access)-based data access method in fiber channel environment
US9405725B2 (en) Writing message to controller memory space
Anderson et al. Cheating the I/O Bottleneck: Network Storage with Trapeze/Myrinet.
WO2021036370A1 (en) Method and device for pre-reading file page, and terminal device
US8996774B2 (en) Performing emulated message signaled interrupt handling
CN109564502B (en) Processing method and device applied to access request in storage device
CN112463307A (en) Data transmission method, device, equipment and readable storage medium
US10089247B2 (en) System and method for coupling a host device to secure and non-secure devices
CN115129625A (en) Enhanced storage protocol emulation in a peripheral device
CN114579480A (en) Page missing processing method, device and system, electronic equipment and storage medium
Wang et al. CXL over Ethernet: A novel FPGA-based memory disaggregation design in data centers
US9288163B2 (en) Low-latency packet receive method for networking devices
CN117834561A (en) Network I/O processing method and device based on SPDK
US10255213B1 (en) Adapter device for large address spaces

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180529

RJ01 Rejection of invention patent application after publication