general structure of the input and output routing routines
Understanding Linux Network Internals 2005 phần 1 pps
... both the common infrastructure of the various protocols and the details of the ARP neighboring protocol used by IPv4 Routing Part VII, the biggest one of the book, describes the routing cache and ... I noticed the lack of good documentation about the networking code of the Linux kernel and the availability of good books for other parts of the kernel, I decided to try filling in the gapor ... also often used as the operating system of choice for the implementation of university projects and theses Not all of them make it to the official kernel (not right away, at least) A few do, and...
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Understanding Linux Network Internals 2005 phần 2 pdf
... it asks the obsolete infrastructure to handle it If the obsolete infrastructure also fails, the keyword and value are passed on to the init process that will be invoked at the end of the init ... extracts the input parameters from the string, fills in an ifmap structure, and adds the latter to the dev_boot_setup array with netdev_boot_setup_add At the end of the booting phase, the networking ... candidates for the use of those macros) The snapshot just shown uses a few of them: _ _init, _ _exit, and _ _devinitdata Later sections describe how some of the new macros are used and how they...
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Understanding Linux Network Internals 2005 phần 3 pptx
... NR_CPUS is the maximum number of CPUs the Linux kernel can handle andsoftnet_data is a vector of struct softnet_data structures The code also initializes the fields of softnet_data->blog_dev, a structure ... skb_bond(skb); The delivery of the frame to the sniffers and protocol handlers is covered in detail in Chapter 13 Once all of the protocol sniffers have received their copy of the packet, and before the ... whether the frame is to be handed to the bridging code When the frame is handed to the bridging code and the latter consumes it, handle_bridge returns In all other cases, handle_bridge returns and...
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Chapter 1 Introduction to Routing and Packet ForwardingRouting Protocols and Concepts quangkien@gmail.com.Topicsl Inside the Router Ÿ Routers are computers Ÿ Router CPU and Memory Ÿ Internetwork Operating System Ÿ Router Bootup Process Ÿ Router Ports doc
... network and destined for another network? Decapsulates the Layer packet by removing the Layer frame header and trailer Examines the destination IP address of the IP packet to find the best path in the ... Address is on the same network as one of its interfaces and it can sent the packet directly to the destination and not another router l Since the exit interface is on an directly connected Ethernet ... in the frame RTA sees the Type field is 0x800, IP packet in the data field, a packet which needs to be routed RTA strips off the Ethernet frame RTA looks up the Destination IP Address in its routing...
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introduction to routing and packet forwarding
... types of IOS images, depending upon the model of the router and the features within the IOS – Typically the more features in the IOS, the larger the IOS image, and therefore, the more flash and ... out the outbound interface as a stream of encoded bits R2 receives the stream of bits, and the process repeats itself R2 decapsulates the frame and passes the data portion of the frame, the IP ... forward the packet onto its destination The interface that the ro ter uses to for ard the packet ma be router ses forward may the network of the final destination of the packet (the network with the...
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Báo cáo y học: " Attention Deficit Hyperactivity Disorder (ADHD) among longer-term prison inmates is a prevalent, persistent and disabling disorder" pdf
... take part In some of these cases, ADHD might contribute to their psychiatric symptoms On the other hand, we can not exclude some selection bias at the end of the study period when the study was more ... the SCID II PQ to equal the cut-off score of the SCID II interview, dPsychopathy was defined as a total sum score of ≥30 by the PCL-R, eAnalyses of variance (ANOVA) for continuous variables and ... compared with the other groups Methods The present study included an estimation of the prevalence of ADHD among longer-term prison inmates Further, it included a description of ADHD and executive...
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Facts of Vietnam Freight forwarding industry and the role of Vietnam Freight Forwarders Association (VIFFAS) to the industry in international economic integration processhelpful to Oristar.doc
... kinds: + The change of consumer-demand modal, market and the attitude to the availability and diversity of goods + The pressure of reducing cost + The development of Information technology + The pressure ... need to be renewed to facilitate export and import The General Department of Customs, the Ministry of Trade and examining bodies, and the Bureau of Standards and Measures should have consensus on ... learning and expanding With their experiences, they have learned the value of offering quality services In the way of growing, they have also open branches to establish a worldwide presence These...
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Real situation and Logistics applicability in freight forwarding of Haiphong Port – Recommendations to improve performance.doc
... maintenance and operation of the Quality Management system acclaimed the standards of ISO 9001- 2000 At the same time, the port continuously improves and upgrades the infrastructure and invests ... sea, rail, and air, all with varying issues, costs and levels of service The flow chart below illustrates the process, which involves the input of these services providers in the movement of a particular ... years of existence and development, port of Haiphong has always played the most important role of the “Border gate” interface in the North of Vietnam Import and export cargoes to and from North of...
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Tài liệu Enabling Verbose Startup, Shutdown, Logon, and Logoff Status Messages doc
... which reduce the chances of human error? Even on the standalone systems and in a workgroup environment, you can edit local security policy, which also reduces the chance of error and is easier ... within local GPO To so, start the Local Security Policy MMC snap-in (For example, by clicking Start, selecting the Run command and typing the gpedit.msc command into the Open field.) As mentioned ... messages by editing the registry To achieve this: Start Regedit.exe (on Windows 2000 systems, use Regedt32.exe) and locate the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\P...
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Chapter 22 Network Layer: Delivery, Forwarding, and Routing ppt
... or LINUX The next slide shows the list of the contents of a default server We have used two options, r and n The option r indicates that we are interested in the routing table, and the option ... (continued) The third mask (/24) is applied to the destination address The result is 201.4.22.0, which matches the corresponding network address The destination address of the packet and the interface ... 22-1 DELIVERY The network layer supervises the handling of the packets by the underlying physical networks We define this handling as the delivery of a packet Topics discussed...
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báo cáo sinh học:" Community-owned resource persons for malaria vector control: enabling factors and challenges in an operational programme in Dar es Salaam, United Republic of Tanzania" ppt
... relationship of the investigator with the CORPs, allowing the investigator to observe and understand the operational challenges faced by the CORPs and the program as a whole Informal appraisal of these ... analysis and wrote the manuscript AK and SD supported the design and implementation of the study UF, KK and GFK designed and implemented the larviciding system GFK supervised all aspects of the study ... Supervisor) Some of the CORPs they have had previous experiences, with UNICEF or other projects, so they know how to approach people and inform them Others are inexperienced and the moment they run into...
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Báo cáo hóa học: " Research Article Trade-Offs between Energy Saving and Reliability in Low Duty Cycle Wireless Sensor Networks Using a Packet Splitting Forwarding Technique" docx
... below); (2) they select one of the prime numbers, each of them on the basis of their position in the list of addresses {C, D, E, F } specified in the previously mentioned IM; (3) they send the components ... representation of the index i followed by the number of components In particular, in the example we considered, without loss of generality, that only node A is in the coverage range of nodes C and D and ... of the mask, and therefore it calculates the set of prime numbers, and the coefficients ci needed to reconstruct the original message Finally, when the sink receives at least N − f components of...
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ADVANCES IN TELEMEDICINE: TECHNOLOGIES, ENABLING FACTORS AND SCENARIOS docx
... 192.168.20.5 and a destination address 192.15.34.140, if the router operates a subnet mask of 255.255.0.0 then the router will compare the first and second octets and if they are the same then route the ... Network ID and the rest of the octets are the Host ID, in the example above the source address has a network ID of 192.168 and a host ID of 20.5 We will return to this notion of IP addresses and subnet ... have the right to republish it, in whole or part, in any publication of which they are the author, and to make other personal use of the work Any republication, referencing or personal use of the...
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Báo cáo y học: "The role of conversation in health care interventions: enabling sensemaking and learning" pptx
... affect their organization For example, when the office manager is the spouse of the lead physician, staff may have difficulties talking to each other or to either of them about the problem of the ... out of swivel chairs The office manager brought the staff together at the end of the morning, before people got away, to discuss how the practice could improve the way they managed these types of ... is "an issue of language, talk, and communication" [48] Through conversation, people make sense of their collective circumstances and of the events that affect them, and they create the basis for...
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báo cáo khoa học: " The role of conversation in health care interventions: enabling sensemaking and learning" ppt
... affect their organization For example, when the office manager is the spouse of the lead physician, staff may have difficulties talking to each other or to either of them about the problem of the ... out of swivel chairs The office manager brought the staff together at the end of the morning, before people got away, to discuss how the practice could improve the way they managed these types of ... is "an issue of language, talk, and communication" [48] Through conversation, people make sense of their collective circumstances and of the events that affect them, and they create the basis for...
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Internationnal payment A case study of freight forwarding and logistics companies in Vietnam Luận văn thạc sĩ
... the methodology to be used and the scope of the study is also addressed in this chapter At the end of the chapter, the structure of this study is provided The ouline of this chapter are as follows: ... take them so much time to get in touch with the right person in charge of the carrier, the customs officers, the quality and quantity check and the control staff … Besides, they can also ensure the ... forwarding and logistics company notify the Importer prior to the arrival of the cargo at destination Then the Importer remit the carrier take in charge of the whole cargo with relating documents and...
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EMBEDDED LINUX SYSTEM DESIGN AND DEVELOPMENT.pdf
... Design and Development and Dr Paul Dale for reviewing the chapter on uClinux and for providing their valuable comments We also thank Greg Haerr, CEO of Century Software and founder of the Nano-X ... Motorola, and Sun Microsystems were some of its cofounders Ⅲ The Free Standards Group (FSG) released Linux Standard Base (LSB) specification version 1.0 The goal of LSB was to develop a set of standards ... Corporation, and Toshiba Corporation were the founders of CELF The year 2003 ended with the release of the Linux 2.6.0 kernel 1.1.6 Year 2004 Some of the highlights of the year 2004 were as follows Introduction...
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09 Physical and Chemical Characteristics of DDGS revisions.
... 127 to 621º C The amount of time DDGS spends in the dryer also influences the color In general, the higher the dryer temperature and the longer DDGS remains in the dryer, the darker the resulting ... sieves and the weight of the DDGS not filtering through each screen was determined and recorded The fine particles that filtered through all screens were collected in the pan and weighed The U.S ... than 600 microns The weights of DDGS collected on each screen were then used to calculate the percentage of weight of each fraction of the total separated In addition to determining the average particle...
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