introduction to network simulator ns2 2nd

... in network protocols and services.  Mechanisms to protect networks.  Security tools. Overview of This Course  TCP/IP Suite  Vulnerabilities and solutions  Security protocols built on top ... response to ping  Improper response to ARP queries  Improper response to DNS queries  Source routing to suspicious node  Employing a honeypot  Network latency monitoring  Time-domain reflectometers  ... tools to test and protect networks  Network security theory and practice  In homework  Explore TCP/IP vulnerabilities in detail by exploiting them using CASL  Learn to analyze a TCP/IP network...

Ngày tải lên: 14/03/2014, 22:20

... F(c) = y 7 return c 4. Cryptographic Protocols One of the major contributions of modern cryptography is the development of advanced protocols providing high-level cryptographic services, such as ... public-key encryption schemes are given, taking into account the computational complexity of attacking algo- rithms. A short introduction to cryptosystems, whose security can be proven by information-theoretic ... and decrypts the authenticator with the session key. The client uses a ticket from the ticket-granting server as in the basic model to authenticate to a service in the network. 4.1.2 Diffie-Hellman...

Ngày tải lên: 25/03/2014, 11:47

... of C-l does not go up to an extremely large number. In order to avoid I B I / I I: I = 010 in computation, it is suggested to use the following formula to compute the inverse ... processes are time-sampled to form random vectors. The explicit expres- sions for Z;' and I Zi I are known for this covariance matrix as 12 Introduction to Statistical Pattern ... can make y close to 2 for a wide range of p by selecting v = 0.4. This transfor- mation with v=O.4 was applied to obtain Data RADAR of Chapter 2. 1 Introduction 5 When...

Ngày tải lên: 31/03/2014, 16:24

... book is wireless network simulation, many of the common simulators used by the research community such as NS - 2 and OPNET began as wired network simulators and have been extended to the wireless ... readers will apply the material from this chapter to one of the four commonly used network simulator models or one of the other network simulators that contains similar support for fading models. ... incorporates papers that did not specify the simulator. FIGURE 4 - 2. Most commonly used MAC layer simulators [41] . MAC Layer Simulators used in Surveyed Wireless Network Papers Testbed Numerical Results NS-2 GloMoSim OPNET QualNET Others 82...

Ngày tải lên: 02/04/2014, 15:49

Ngày tải lên: 24/04/2014, 14:35

Ngày tải lên: 28/04/2014, 15:40

... Lab 7.1.9a Introduction to Fluke Network Inspector Objective This lab is a tutorial demonstrating how to use the Fluke Networks Network Inspector (NI) to discover and analyze network devices ... school network to see more variety. Before attempting to run NI on the school LAN, check with the instructor and the network administrator. The following is a list of points to consider: 1. Network ... workstation, with Network Inspector or Protocol Expert installed, directly to a classroom switch or to a data jack connected to the school LAN. Step 2 Start Network Inspector and the Agent...

Ngày tải lên: 23/10/2013, 00:15

... SanJose2 #2#1 S0/0 S0/0 DCE 192.168.1.10 192.168.2.10 Objective This lab is a tutorial demonstrating how to use the Fluke Networks Network Inspector (NI) to discover and analyze network devices within a broadcast domain. In ... inventory the schools entire network unless it is all on one subnet. 2. Network Inspector is not a Cisco product, nor is it limited to detecting just Cisco devices. 3. Network Inspector is ... Device Properties window, click on the Close button in the upper right corner to return to the Network Inspector Console. Step 5 At the Network Inspector Console, experiment with expanding and...

Ngày tải lên: 05/11/2013, 12:15

... services; • To have access to alternative system vendors (multivendor networks); • To improve the compatibility of their future network systems. 10 Introduction to Telecommunications Network Engineering Network operators Equipment manufacturers Service users Academic experts Figure ... in this book. The last topic of this chapter is an introduction to the theory of traffic engineering; that is, how much capacity we should build into the network in order to provide a sufficient ... service for the customers. 2.1 Basic Telecommunications Network The basic purpose of a telecommunications network is to transmit user infor - mation in any form to another user of the network. These...

Ngày tải lên: 13/12/2013, 21:16

... major network changes were made. You would have to examine the traffic that was allowed into your network to assist in determining the problem. That is where tcpdump is invaluable. Also, many tools ... may have to be excluded so as not to false alarm. For UDP records, you have to maintain a list of UDP destination ports that are of interest to you. Shadow looks for signs of a one -to- many relationship ... is going to be quite a bit more difficult in the next several slides. So, if you are on auto- pilot or thinking about what to eat for lunch, you may have to devote a few extra neurons to the following...

Ngày tải lên: 17/01/2014, 07:20

... Policy Active Directory Active Directory Administrative Tools Administrative Tools Customize Tools Customize Tools Windows 2000 provides administrators with the methods and utilities to centralize ... Access Tokens ? ?To view and compare the access tokens for the domain Administrator account and a user account 1. Log on to your domain as Administrator, click the Start button, point to Programs, ... Windows 2000 provides customized tools to administer Active Directory that allow you a great deal of flexibility. You can create customized administrative tools to: ?? Map to the permissions that...

Ngày tải lên: 17/01/2014, 08:20

... allowing users to log on only once to gain full access to resources throughout Active Directory. Topic Objective To illustrate the purpose of Active Directory as a network directory service. ... OU1 Domain Computers Users OU2 Users Printers Computer1 User1 Printer1 User2 Domain Domain OU2 OU2 OU1 OU1 User1 User1 Computer1 Computer1 Printer1 Printer1 User2 User2 Search Search Search Active Directory: # Enables a single administrator to centrally manage resources # Allows administrators to easily locate information # Allows administrators to group objects into organizational ... objects and enables administrators to structure Active Directory to fit their needs. ! Active Directory uses Group Policy to provide administrators with the ability to specify Group Policy settings...

Ngày tải lên: 24/01/2014, 10:20

... Guide to Network Security An Introduction to the Key Security Issues for the E-Business Economy With the explosion of the public Internet and e-commerce, private computers, and computer networks, ... the network infrastructure to enforce an organization’s security policies by restricting access to specific network resources. In the physical security analogy, a firewall is the equivalent to ... anti-virus software packages to dedicated network security hardware, such as firewalls and intrusion detection systems, to provide protection for all areas of the network. Top Ten Security Tips ...

Ngày tải lên: 14/03/2014, 22:20

... density (vector Ύ Ύ V ΃΂ Ύ V ΎΎ 1 2 1 2 Some special topics in general relativity 25 TLFeBOOK AN INTRODUCTION TO MATHEMATICAL COSMOLOGY This book provides a concise introduction to the mathematical aspects ... normal vector to this surface is given by n ␮ ϭ(  ␣␤ f , ␣ f , ␤ ) Ϫ1/2  ␮␯ f , ␯ . Given a vector field ␨ ␮ , one can define a set of curves filling all space such that the tangent vector to any ... x 3 ϭconstant). (2.31) This vector field is also referred to as the vector field Ѩ / Ѩ x 0 . One similarly defines the vector fields Ѩ / Ѩ x 1 , Ѩ / Ѩ x 2 , Ѩ / Ѩ x 3 . That is, corresponding to the coordinate...

Ngày tải lên: 17/03/2014, 13:33

... often useful to decom - pose a complicated input into a number of more simple inputs, to calculate the response of the system to each of these " elementary " functions, and to superimpose ... outset to systems characterized by many - to - one mappings. A convenient representation of a system is a mathematical operator, SO, which we imagine to operate on input functions to produce ... is: circ(r) = 3 r = 1 . "' (0 otherwise Introduction to Fourier Optics Introduction to Fourier Optics CHA~R 1 Introduction 3 enhancement, pattern recognition, and processing...

Ngày tải lên: 17/03/2014, 14:56

... www.it-ebooks.info ptg7041395 An Introduction to Design Patterns in C++ with Qt ™ , 2nd Edition Alan Ezust and Paul Ezust Upper Saddle River, NJ • Boston • Indianapolis • San Francisco New York • Toronto • Montreal ... allocation of storage at runtime is a power- ful tool that helps to build programs that are ecient and exible.  e new operator allocates storage from the heap (also known as dynamic storage) and ... are manipulators , such as flush and endl . Manipulators are implicit calls to functions that can change the state of a stream object in various ways. A manipulator can be added to • An output...

Ngày tải lên: 24/03/2014, 01:21

... in which a ≠ b.) If we take D(n) time to divide the problem into subproblems and C(n) time to combine the solutions to the subproblems into the solution to the original problem, we get the recurrence ... Each of n customers gives a hat to a hat-check person at a restaurant. The hat- check person gives the hats back to the customers in a random order. What is the expected number of customers that ... addressed to the McGraw-Hill Book Company. All other orders should be addressed to The MIT Press. Outside North America All orders should be addressed to The MIT Press or its local distributor....

Ngày tải lên: 31/03/2014, 15:58

Ngày tải lên: 11/04/2014, 10:06

Ngày tải lên: 18/04/2014, 12:28