TAILIEUCHUNG - Signaling System No.7 Protocol Architecture And Sevices part 62

MTP 3 Testing The MTP 3 test specification is found in ITU [88]. The purpose of the tests is to ensure complete validation and compatibility of an SP's MTP 3 protocol according to ITU [53 | MTP 3 Testing The MTP 3 test specification is found in ITU 88 . The purpose of the tests is to ensure complete validation and compatibility of an SP s MTP 3 protocol according to ITU 53 . See Chapter 7 Message Transfer Part 3 MTP3 for a description of the MTP 3 protocol. The tests are split up by functional area into thirteen categories. Table 16-2 shows the test categories and the tests that they contain. Table 16-2. Test Categories and Test Numbers found in Category Test Number s Total Signaling link management 3 Signaling message handling 13 Changeover 21 Changeback 11 Forced rerouting 5 1 Controlled rerouting 6 1 Management inhibiting 28 Signaling traffic flow control 4 Signaling route management 11 Signaling point restart 11 Traffic test 11 1 Signaling link test 6 Invalid messages 12 Totals 123 The remainder of this section explains three of these tests and . These numbers refer to the test numbers allocated in . Test Configuration Four test configurations named A B C and D are used for MTP3 testing. Only configuration A is used for the three tests presented in this section. Figure 16-17 shows configuration A. Figure 16-17. Configuration A View full size image Links are identified as follows number of linkset number of link in the linkset 1-1 means link 1 of the linkset 1 . This identification is independent of SLC that is attributed to these links. When the number of the link is X the concerned message can use any link in the linkset. Example 1 First Signaling Link Activation Test This test checks that a link can be activated properly. It is used for both validation and compatibility testing purposes. The

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