data link layer protocols and applications

... max window Trang 424 2Trang 43 Data Link Control Protocols  The data link control layer is concerned with the transfer of dataover a serial data link The link can be:  point‐to‐point physical ... Trang 1Data Communication and Networ 1 Trang 2Cont ent Chapter 3: Data Link 2 Trang 3 Framing  The data link layer needs to pack bits into frames, that each frame is s o Trang 4 Flow and ... of the data link The most important layer are flow control and error control Collectively, these functions are known as data link control. procedures used to restrict the amount of data that

Ngày tải lên: 04/12/2016, 08:57

... HCMUT Connection Management Trang 44Data Link Control Protocols The data link control layer is concerned with the transfer of data over a serial data link.  The link can be:  point-to-point physical ... control in the data link layer is based on automatic repeat request, which is the retransmission of data.  Now let us see how the data link layer can combine framing, flow control, and error control ... sender and receiver have to send and acknowledge data Piggy back methods: outstanding ACKs are placed in the header of information frames save bandwidth since the overhead from a data frame and

Ngày tải lên: 12/04/2023, 21:00

... AttackdefmonitorPackets (p): if p haslayer(Dot11): if (p getlayer(Dot11) subtype == 8 ): ssid = p getlayer(Dot11) info bssid = p getlayer(Dot11) addr2 stamp = str (p getlayer(Dot11) timestamp) ... little creativity can be used to automate detecting layer two attacks • For more information, see “Detecting and Responding to Data Link Layer Attacks” published in SANS GCIA Reading Room ... Trang 1Detecting and Responding to Data Link Layer Attacks With Scapy TJ OConnor September 2011 GIAC (GSE, GSEC, GCFW, GCIA, GCIH,

Ngày tải lên: 12/09/2017, 01:26

... 7/- Data Link Layer Trang 3Overview Upon completion of this chapter, you will be able to: Explain the role of Data Link layer protocols in data transmission Describe how the Data Link layer ... NETWORKING ACADEMY The Data Link layer provides a means for exchanging data over a common local media The Data Link layer performs two basic services: — Allows the upper layers to access the ... Connecting to Upper Layer Services FT) BACHKHOA NETWORKING ACADEMY The Data Link Layer Data link layer protocols Different protocols may be govern how to format a in use for different media frame

Ngày tải lên: 22/12/2013, 13:17

... of traffic time periods and intensity. The main characteristics are a similar activity in up and down traffic directions and a similar usage of the peer-to-peer and unknown applications in clusters. ... correlations between applications: days with a high web daily traffic are also days with high mail, ftp and streaming activities and the traffic time periods are similar. The chat and games applications ... scheme of exploratory data analysis has been presented to give lightings on the usages of applications and daily trafficprofiles. Our data-mining approach, based on the analysis and the interpre- tation

Ngày tải lên: 05/08/2014, 21:21

... v.eid = e.eid and e.learner_inst = li.liid and li.lid = l.lidand l.name='A' and lv.liid=li.liid and lv.pid = lp.pid and lp name='P' and e.data_inst = di.diid and di.did = d.did and d.name='D'Sometimes ... learner l, data_inst di, dataset d, evaluation v WHERE v.eid = e.eid and e.learner_inst = li.liid and li.lid = l.lidand l.name='A' and e.data_inst = di.diid and di.did = d.did 4.4 Applying data mining ... actualdata The data can be accessed by iterating over instances of DataRow Each rowcontains a unique identifier (or primary key) and a specific number of DataCellobjects, which hold the actual data

Ngày tải lên: 05/08/2014, 21:21

... literature for C pm ,C pk and C pmk (see Balamurali and daram (2002) and Bissel (1989)) Kalyanasun-If there is no possibility to make an assumption about the distribution of thedata, computer based, ... analyzed data setshas at least 500 and at most 1000 measurement results man-The evaluation was performed for the non-parametric C pand the empirical pability index Eci using the describe Branch and ... Construction and ation for the developer, whereas the second one – relevant for the user – includes the Evalu-phases Project Aim Definition, Search and Selection of existing and suitable ence models and

Ngày tải lên: 05/08/2014, 21:21

... Urban Data Mining Doctoral thesis, Karlsruhe (TH). DEMSAR, U (2006): Data Mining of geospatial data: combining visual and automatic ods Urban Planning Department, KTH Stockholm. meth-HAND, D and ... A., SCHMIDT-GALLAS, D and HUBER, F (2005): Adaptive Conjont ysis: Understanding the Methodology and Assessing Reliability and Validity In: A Anal-Gustafsson, A Herrmann and F Huber (Eds.): Conjoint ... method for clustering and Trang 2Fig 7 Localisation of Shrinking and Growing Municipalities in Germanyclassification The advantage is to visualize the structure of data and later on to define

Ngày tải lên: 05/08/2014, 21:21

... association support all-confidence 2 {brandy, fruit brandy} 0.015 0.18 3 {fruit brandy, appetizers} 0.018 0.17 4 {brandy, appetizers} 0.016 0.15 5 {whisky, fruit brandy} 0.011 0.14 To examine whether ... whole data set, we have drawn and analyzed random samples withthe same amount of transactions as each of the segments The comparison of thefrequent itemsets mined in the random sample and those ... Computational Statistics and Data Analysis, 51(2), 526–544. OMIECINSKI, E (2003): Alternative Interest Measures for Mining Associations in Databases In: IEEE Transactions on Knowledge and Data Engineering,

Ngày tải lên: 05/08/2014, 21:21

... 1998, Mittal and Kamakura 2001, Rustand Zahorik 1993) The tenor of these studies is that the link between satisfactionand retention is clearly weaker than the link between satisfaction and loyalty.Many ... E4sat i ∗ brand i+ E5sat i ∗ cons i ∗ brand i+ E6sat i ∗ age i ∗ brand i+ Hi The satisfaction-retention link for a latent class g can then be written as4: 4Here age stands for the standardized ... VectorModel for Conjoint Data In: A Gustafsson, A Herrmann, and F Huber (Eds.): Con-joint Measurement - Methods and Applications Springer, Berlin, 97–120. BAIER, D and POLASEK, W (2003): Market

Ngày tải lên: 05/08/2014, 21:21

... B and KINI, O (1995): Venture capitalist participation and the post-issue operating performance of IPO firms.Managerial and Decision Economics, 16, pp 593-606. LEE, P and WAHAL, S (2004): Grandstanding, ... centered and uncorrelated exploratory variables, i.e the PLS (latent) Trang 6The Evaluation of VB IPOs Performance 511components (t1, , t A) Let E0= X and F0= Y be the design and response data trices, ... cross-validation (CV) Two particular properties make PLS attractive and establish a link between the geo-metrical data analysis and the usual regression First, when A = rank X, PLS (X,Y) ≡ {OLS(X,Y

Ngày tải lên: 05/08/2014, 21:21

... Introduction    Data link control layer – often abbreviated simply to data link layer – is concerned with the transfer of data over a serial data link The transmission mode may ... instances the data link protocols are located in the two communicating DTEs, and the protocol is said to operate on an end-toend basis In others, data link protocols operates over the local link connecting, ... status and performs both primary and secondary functions 39 Bit-oriented Protocols – HDLC (High-level Data Link Control)  Frame format 40 Bit-oriented Protocols – HDLC (High-level Data Link Control)...

Ngày tải lên: 30/03/2014, 07:20

... probe mixtures, one for chromosomes 13 and 21, and the other for chromosomes 18, X, and Y The standardized probes and protocols have been proven to be accurate and very sensitive for prenatal diagnosis ... regions (47) Standards and Guidelines for Clinical Applications It is necessary that all cytogenetics laboratories have their protocols and standards established for the clinical applications of ... C (1990) Production of single stranded DNA by asymmetric PCR, in PCR Protocols: A guide to Methods and Applications (Innis, M A., Gelfand, D H., Sninsky, J J., and White, T J., eds.), Academic...

Ngày tải lên: 11/04/2014, 09:51

... College dataset [15], we evaluated the performance of three “naive” routing protocols (direct-delivery, epidemic, and random) and two prediction-based routing protocols, PRoPHET [19] and Link- State ... performance of opportunistic protocols and applications is another direction of research activity This involves developing, testing, and validating protocols and applications and identifying factors ... that required meta -data transmission during contact The direct-delivery and random protocols had no meta -data transmissions In addition to its message transmissions and meta -data transmissions,...

Ngày tải lên: 31/05/2014, 00:52

... presents knowledge discovery and data mining applications in two different sections As known that, data mining covers areas of statistics, machine learning, data management and databases, pattern recognition, ... Data Miner (UMDM) for prediction, classification, interpretation and visualization on medical datasets: the diabetes dataset case and the integration of K-means clustering and decision tree data ... of iteration and ‘sp’ dataset and will produce k clusters of the given dataset The function f is illustrated in equation (2) 14 Advances in Data Mining Knowledge Discovery and Applications f...

Ngày tải lên: 28/06/2014, 10:20

... Arabie, and W Gaul (Eds.) Classification, Clustering, and Data Minig Applications 2004 A Rizzi, M Vichi, and H.-H Bock (Eds.) Advances in Data Science and Classification 1998 D Baier and K.-D ... Schader, W Gaul, and M Vichi (Eds.) Between Data Science and Applied Data Analysis 2003 C Hayashi, N Ohsumi, K Yajima, Y Tanaka, H.-H Bock, and Y Baba (Eds.) Data Science, Classifaction, and Related ... Lechevallier, and O Opitz (Eds.) Ordinal and Symbolic Data Analysis 1996 M Schwaiger and O Opitz (Eds.) Exploratory Data Analysis in Empirical Research 2003 R Klar and O Opitz (Eds.) Classification and...

Ngày tải lên: 05/08/2014, 21:21

... training data set with 3000 and a test data set containing 1000 observations 3.2 Results We apply the local classification methods and global LDA to the simulated data sets and obtain 1280 test data ... recognition and machine learning communities due to the modularity of the algorithms and the data representations by kernel functions, cf (Schölkopf and Smola (2002)) and (Shawe-Taylor and Cristianini ... Distributions 1, Models and Applications, 2nd edition John Wiley & Sons, New York NEWMAN, D.J and HETTICH, S and BLAKE, C.L and MERZ, C.J (1998): UCI Repository of machine learning databases [http://www.ics.uci.edu/∼learn/...

Ngày tải lên: 05/08/2014, 21:21

... J.P.R and RESSEL, P (1984): Harmonic Analysis on Semigroups: Theory of Positive Definite and Related Functions, Springer CHANDON, J.L and PINSON, S (1981): Analyse Typologique Théorie et Applications, ... into training and test sets and normalized to minimum and maximum feature values (Min-Max) or standard deviation (Std-Dev) These experiments were run on a computer with a P4, 2.8 GHz and 1G in Ram ... (Bennett and Bredensteiner 2000), (Lee and Mangasarian 2001) used datasets with less than 1000 samples, where the training and testing time are negligible In order to test the performance and speedup...

Ngày tải lên: 05/08/2014, 21:21

... interval data differs in steps and 2: A symbolic data array containing n objects and m symbolic interval variables is a starting point Identification of Noisy Variables for Nonmetric and Symbolic Data ... motions and parallaxes for the full set of sources This leads to a distinction for the data processing between early mission data, consisting of the spectra and positions, and late mission data, ... nonmetric, mixed, and symbolic interval data The proposed modifications are evaluated for eight clustering algorithms on simulated data from a variety of models 86 Marek Walesiak and Andrzej Dudek...

Ngày tải lên: 05/08/2014, 21:21

... ultrametric spaces, and ultrametricity is a pervasive property of observational data, and by Murtagh (2004a) this offers computational advantages and a well understood basis for developping data processing ... classification and is pervasive in observational data, the techniques of ultrametric analysis and p-adic geometry are at ones disposal for identifying and exploiting ultrametricity A p-adic encoding of data ... (Eds.): Classification, Clustering and Data Mining, Springer, 3–14 Hard and Soft Euclidean Consensus Partitions Kurt Hornik and Walter Böhm Department of Statistics and Mathematics Wirtschaftsuniversität...

Ngày tải lên: 05/08/2014, 21:21