network performance toolkit using open source testing tools phần 3 ppt

... test. Host2 192.168.1.2 Host1 192.168.1.1 Host3 192.168.1 .3 switch router switch 10 10 test1 test2 test3 100 100 100 dbs 91 08 433 012 Ch05.qxd 6/16/ 03 9:10 AM Page 91 Table 5.1 The dbsd Program ... both on the network, where they relate to network performance, and on the client and server hosts, where rates are affected by system loading. 72 Chapter 4 07 433 012 Ch04.qxd 6/16/ 03 9...

Ngày tải lên: 14/08/2014, 12:20

... option. Figure 12.6 Data Received information for FTP session. Comparing Network Performance Tools 233 15 433 012 Ch12.qxd 6/16/ 03 9:11 AM Page 233 ... 19 :34 :39 Initializing GDBM 04/Dec/2002 19 :34 :39 Started thread (1026) for network packet analyser. 04/Dec/2002 19 :34 :39 Started thread (2051) for idle hosts detection. 04/Dec/2002 19 :34 :39 Started ... Traffic menu item gr...

Ngày tải lên: 14/08/2014, 12:20

... specified amount either until the end of the Network Traffic Generator 30 3 20 433 012 Ch16.qxd 6/16/ 03 9:11 AM Page 30 3 19 433 012 Ch15.qxd 6/16/ 03 9:11 AM Page 30 0 Table 16.2 (continued) OPTION DESCRIPTION -cinc ... test network using Network Traffic Generator. network application client test client test server switch network application server 31 6 Chapter 16 20 433 0...

Ngày tải lên: 14/08/2014, 12:20

... program, 32 3, 33 8 33 9 network agents, 32 6 32 7 network applications, 32 7 32 9 network links, 32 5 32 6 network model elements, 32 4 32 9 network nodes, 32 4 ns program, 32 2 32 3 NULL agent, 32 6 online resources, ... 36 8 37 0 compiling, 33 2 description, 32 1 32 2 downloading, 33 0 33 2 graphical output, 32 3 32 4, 33 8 34 0 installation validation, 33 2 insta...

Ngày tải lên: 14/08/2014, 12:20

... result Gmin The minimum rate that produced a GREY result Pathrate 133 10 433 012 Ch07.qxd 6/16/ 03 9:10 AM Page 133 The latency of the network connection is displayed, along with the esti- mated bandwidth ... packets Pathrate 1 23 10 433 012 Ch07.qxd 6/16/ 03 9:10 AM Page 1 23 During this phase Pathrate generates 1,000 variable-length packet pairs to test the network link. The Phase...

Ngày tải lên: 14/08/2014, 12:20

... 07:16:59.206 839 59 26 63 0 0 2 2 07:17:14.206 839 172 37 882 0 0 1 1 07:17:29.206 839 3 136 0 0 1 1 07:17:44.206 839 32 4200 0 0 1 3 07:17:59.206 839 1772 158 438 2 0 0 2 3 07:18:14.206 839 238 8 208 031 8 0 0 0 3 07:18:29.206 839 ... processing. (continued) tcptrace 179 13 433 012 Ch10.qxd 6/16/ 03 9:11 AM Page 179 12 433 012 Ch09.qxd 6/16/ 03 9:10 AM Page 174 7: 192.168.1.1...

Ngày tải lên: 14/08/2014, 12:20

... several different methods used to simulate network delays: client server 5 5 4 4 3 3 2 2 1 1 4 5 2 3 1 Packet-Switching Network 250 Chapter 13 17 433 012 Ch 13. qxd 6/16/ 03 9:11 AM Page 250 Fixed delay. This ... used. Measuring Application Performance 2 43 17 433 012 Ch 13. qxd 6/16/ 03 9:11 AM Page 2 43 Network Traffic Generator The first method consists of network device...

Ngày tải lên: 14/08/2014, 12:20

... out3.tr outtot.tr Figure 17.4 nam display of running simulation. ns 33 9 21 433 012 Ch17.qxd 6/16/ 03 9:11 AM Page 33 9 36 5 Now that you have a whole suite of network application performance tools available ... classes, SSFNet 35 3 22 433 012 Ch18.qxd 6/16/ 03 9:12 AM Page 35 3 set n1 [$ns node] set n2 [$ns node] set n3 [$ns node] set n4 [$ns node] $ns duplex-link $n0 $n3 10Mb 2...

Ngày tải lên: 14/08/2014, 12:20

... method does not insert actual resource contingency (no resources are assigned to the re- source buffers), but rather just inserts a time contingency prior to the scheduled resource usage. This gives ... available resources and to allow the program to con- sider the availability of resources while making an adjusted computation of the schedule. This is called Resource Leveling, or Resource-C...

Ngày tải lên: 14/08/2014, 11:21

... dBm 31 .02 dBm 32 .99 dBm 36 .76 dBm (96.21%) (96.21%) (96.21%) MS file 2 23. 71 dBm 29.17 dBm 31 .09 dBm 34 .85 dBm (96.67%) (96.69%) (96.69%) MS file 3 24.11 dBm 29.67 dBm 31 .64 dBm 35 .40 dBm (96 .32 %) ... services, using Equation (3. 35): txPowerBase ¼ minMsTxPower þdeltaSensitivity 3: 35Þ where minMsTxPower is the minimum power from Equation (3. 34); and deltaSensitivity is de...

Ngày tải lên: 14/08/2014, 12:21