teach yourself tcp ip in 14 days

... edition of Teach Yourself TCP/ IP in 14 Days expands on the very popular first edition, bringing the information up-to-date and adding new topics to complete the coverage of TCP/ IP. The book has ... Teach Yourself TCP/ IP in 14 Days Second Edition Preface to Second Edition About the Author Overview Introduction 1. Open Systems, Standards, and Protocols 2. TCP/ IP and the Internet ... is intended for beginning through intermediate users and covers all the protocols involved in TCP/ IP. Each protocol is examined in a fair level of detail to show how it works and how it interacts

Ngày tải lên: 13/08/2014, 12:21

... a datagram has nothing to do with IP analyzing the sending and receiving IP addresses IP handles the Simpo PDF Merge and with the full 32- bit Internet address, even addressing of a datagram Split ... internetwork, network, TCP/ IP, and the individual machines work together. Independent machines reside in the subnetwork layer at the bottom of the architecture, connected together in a local area ... in Figure 2.6. The layers in the sending and receiving machines are the OSI layers, with the equivalent Internet architecture layers indicated. Figure 2.6. Transfer of a datagram over an internetwork.

Ngày tải lên: 13/08/2014, 12:21

... Multiplexing was explained in some detail on Day 1 It refers to combining several connections into one Three machines could each establish source ports to one machine using only one receiving ... showing the binding of port tables when three machines are sending information... exchange routing information between devices It is important not to confuse routing information, which contains ... handling the termination of an application above it that was expecting incoming datagrams, as well as failures in the lower layers. TCP also must maintain a state table of all data streams in

Ngày tải lên: 13/08/2014, 12:21

... Figure 5 .14. OSPF Link State advertisement header format. The Link State Age field contains the number of seconds since the Link State advertisement originated. The Options field contains any IP ... by the sending machine. The Link State Type identifies the type of link advertisement, using one of the values shown in Table 5.12. The value in the Link State Type field further defines the ... Link State Type field and can contain IP addresses for networks or router IDs. The Advertising Router field identifies the originating router. The Link State Sequence Number is an incrementing

Ngày tải lên: 13/08/2014, 12:21

... switching and multiplexing services Windows 95 and TCP/ IP Because Windows 95 is supposed to become the dominant operating system on PC machines running a DOS or Windows operating... The sending ... the link between the IP address and the underlying physical address. For more information, see Day 2, " ;TCP/ IP and the Internet." Using arp (or its equivalent in other operating systems), ... shows the Windows 95 ping utility... changes This information can be very useful in optimization of TCP/ IP $ ping merlin 256 5 PING merlin: 256 data bytes Simpo from 142 .12.130.12: icmp_seq=0

Ngày tải lên: 13/08/2014, 12:21

... configuring TCP/ IP are straightforward, generally following the information required for each machine. The configuration steps are as follows: ● Link drivers: TCP/ IP must be linked to the operating ... Currently configured chains: 1. nfs->sco _tcp nfs SCO NFS Runtime System for SCO Unix sco _tcp SCO TCP/ IP for UNIX 2. sco _tcp- >lo0 sco _tcp SCO TCP/ IP for UNIX lo0 SCO TCP/ IP Loopback driver ... sco_ipx SCO IPX/SPX for UNIX 4. sco _tcp SCO TCP/ IP for UNIX Select top level of chain to Add or 'q' to quit: Option 4 is chosen because you are installing TCP/ IP. LAN Manager and IPX/SPX

Ngày tải lên: 13/08/2014, 12:21

... chainvec=0x67 Finding the proper settings for the variables in the PROTOCOL.INI file can be a harrowing experience. If Windows for Workgroups is installed and running, the Windows PROTOCOL.INI file ... SYSTEM.INI File If Windows for Workgroups is to be used on the DOS machine and you are going to use the PC /TCP drivers instead of a dedicated Windows for Workgroups TCP/ IP package, the Windows ... talking to the local machine, then remote machines Machine name information for other machines hasn't yet been added to the PC /TCP DOS system, so IP addresses must be used with ping The following

Ngày tải lên: 13/08/2014, 12:21

... up the domain name with the following command: domainname domain domain is the domain name the machine uses You need to be logged in as root or an administrative... requirements In this section ... Configuring NFS s Configuring UNIX as an NFS Server s Setting Up a UNIX NFS Client s Setting Up Windows-Based NFS s Sharing a Windows Directory Network Information Service (NIS) Configuring NIS ... NIS s Setting Up the NIS Domain s NIS Daemons s Setting Up an NIS Master s Setting Up NIS Slaves s Setting Up NIS Clients RPC and NFS Administration s rpcinfo... Each machine on the domain (whether

Ngày tải lên: 13/08/2014, 12:21

... The functions involved in the socket programming interface help you understand the steps TCP/ IP goes through when creating connections and sending data Understanding the socket interface is ... never intend to write a line of TCP/ IP code, because all the applications you will work with use these principles and procedures Debugging or troubleshooting... Status Information s Closing a ... Listening s Getting Status Information... The entry in this field determines the format of the address in the following field (which might contain other information than the address, depending

Ngày tải lên: 13/08/2014, 12:21

... an IN- ADDR-ARPA file and explain what the fields mean An entry in an IN- ADDR-ARPA file would look like this: merlin IN A 143 .12.2.46 The line contains the machine name, the class of machine (IN ... the IAB responsible for short-term engineering needs relating to the TCP/ IP protocol suite Internet Protocol (IP) —The part of TCP/ IP that handles routing Internet Research Task Force (IRTF)—A ... Unregistered Version - Initial Sequence Number (ISN)—A number defined during the startup of a connection using TCP Used to number datagrams Initiate? ?In TCP/ IP, to send a request for something (usually

Ngày tải lên: 13/08/2014, 12:21

... Layer 114 TCP/ IP Utilities 115 Summary 116 Q&A 116 Key Terms 117 Part III: Networking with TCP/ IP HOUR 8: Routing 121 Routing in TCP/ IP 121 Routing on Complex Networks 134 Examining Interior ... Layer Internet... into six parts Each part brings you a step closer to mastering the goal of proficiency in TCP/ IP Part I, TCP/ IP Basics,” introduces you to TCP/ IP and the TCP/ IP ... participate in a TCP/ IP network As you read this book, be aware of the following distinction: A TCP/ IP standard is a system of rules defining communication on TCP/ IP networks A TCP/

Ngày tải lên: 10/08/2014, 13:20

... the TCP/ IP stack that provides logical addressing and routing. . IP (Internet Protocol)—The Internet layer protocol that provides logical addressing and routing capabilities. . Message? ?In TCP/ IP ... IP header The TCP/ IP software at the destination uses the information enclosed in the IP header to process the datagram The IP header contains a great deal of information, including ... transmitted into the stream of electric or analog pulses across the transmission medium . Checking for errors in incoming data . Adding error-checking information to outgoing data so that the receiving

Ngày tải lên: 10/08/2014, 13:20

... delivering it to multiple outputs (see Figure 6.5) FIGURE 6.5 Multiplexing and demultiplexing Multiplexing Demultiplexing Multiplexing/demultiplexing enables the lower levels of the TCP/ IP stack ... [...]... demultiplexing As described earlier, multiplexing is the act of braiding input from several sources into a single output, and demultiplexing is the act of receiving input from a single source ... Athicom Parinayakosol Understanding TCP and... mechanism for multiplexing/demultiplexing—Multiplexing, in this case, means accepting data from different applications and computers and directing

Ngày tải lên: 10/08/2014, 13:20

... application into a common format, often called Teach Yourself TCP/ IP in 14 Days, Second Edition The second edition of Teach Yourself TCP/ IP in 14 Days expands on the very popular first edition, bringing ... issued in 1981, standardizing TCP/ IP version 4 for the ARPANET. In 1982, TCP/ IP supplanted NCP as the dominant protocol of the growing network, which was now connecting machines across the continent. ... Recombining is the reverse of splitting, so that several connections are combined into a single one for the layer above. Multiplexing and splitting (and their reverses, demultiplexing and recombining)...

Ngày tải lên: 09/11/2013, 02:15

... with, 144 syntax, 143 nesting, 148 order of execution, 125 REPEAT UNTIL, 144 -146 example, 145 simulating, 145 reversing, 122-123 listing, 122 selecting, 146 spacing, 148 style tips, 148 -149 FOR ... 147 incrementing through, 123-124 listing, 123 infinite, 144 , 380 jumping into (GOTO), 130 labels, 142 -143 changing execution order, 143 listing, 142 syntax, 142 LOOP, 144 , 146 example, 144 EXIT ... creating, 54 creating (security exam- ple), 538-539 data integrity (maintain- ing), 300-304 listing, 302 defining, 299-300, 313, 319 delete, 296 enabling/disabling, 310-311 event, 311-312 defining,...

Ngày tải lên: 20/10/2013, 17:15

... Edition Teach Yourself ANSI C++ in 21 Days, Premier Edition, is a new edition of the international bestseller, Teach Yourself C++ in 21 Days. This Premier Edition offers more than just 21 days of ... 747 D Answers 757 Index 831 iii Contents P2/V3/sqc5 TY ANSI C++ in 21 30887-6 Casey 2.23.96 FM LP#3 teach yourself ANSI C++ in 21 days, Premier Edition Teach Yourself ANSI C++ in 21 Days ii P2/V3/sqc5 ... paradigm used in C programming and start thinking in objects. Where You Are Going The first week covers the material you need to get started with programming in general, and with C++ in particular....

Ngày tải lên: 20/10/2013, 17:15

... Example of a Simulated REPEAT UNTIL Loop 145 What Loop Should I Use? 146 Loop Guidelines 146 Style Tips for Loops 148 Recursion 149 Guidelines 149 Practicing Recursion 150 Why Use Recursion? 152 Summary ... Entries into an Index-by Table 267 Referencing Values in an Index-by Table 268 Changing Table Entries 270 Deleting Table Entries 270 PL/SQL Table Methods 271 Using Nested Tables 274 Declaring a ... Writing Database Triggers 293 12 Using Oracle8i Objects for Object-Oriented Programming 333 13 Debugging Your Code and Preventing Errors 371 14 Leveraging Large Object Types 401 W EEK 2 In Review...

Ngày tải lên: 07/11/2013, 20:15

... A nested anonymous block begins on line 14 and ends on line 21. Lines 6 through 9 define the name_print procedure. The variable a_name is declared in the outermost block (see line 4), thus any nested block, ... watermark. Writing Declarations and Blocks 59 2 22: 23: DBMS_OUTPUT.PUT_LINE(‘Back in the main block’); 24: 25: But we cannot compile the following line because b_name 26: is not defined in this block. 27: ... value of a_name in line 12, the nested block displays the value of a_name in line 18, and in line 30 of the outer block, the nested procedure name_print is called to also print the value of...

Ngày tải lên: 07/11/2013, 20:15

... 4.15. L ISTING 4.15 Nesting FOR Loops BEGIN FOR v_outerloopcounter IN 1 2 LOOP FOR v_innerloopcounter IN 1 4 LOOP DBMS_OUTPUT.PUT_LINE(‘Outer Loop counter is ‘ || v_outerloopcounter || ‘ Inner Loop ... returning a NUMBER . The next line to enter is RETURN NUMBER IS You now need to start the body of your function by typing the keyword BEGIN : BEGIN Because you are not performing anything in this ... longer string and then does the comparison. Trailing spaces alone will not result in any differences being found between two springs. Oracle also does the same thing when comparing two string constants....

Ngày tải lên: 07/11/2013, 20:15

... (inverse) cosine of a number, expressed in radians. ASIN Returns the arc (inverse) sine of a number, expressed in radians. ATAN Returns the arc (inverse) tangent of a number (x), expressed in ... CHAR or VARCHAR2 string into a DATE value. TO_LABEL Converts a CHAR or VARCHAR2 string into a MLSLABEL . TO_MULTI_BYTE Converts any single-byte string of characters into a multibyte string. TO_NUMBER Converts ... fine-tuning Oracle to speed up the process. Tip An Example of a Simulated REPEAT UNTIL Loop Enter the code in Listing 5.20. You are still calculating the area of a circle as you did in Listings...

Ngày tải lên: 15/12/2013, 05:15