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    ATIS 0300015-2011 Next Generation Interconnection Interoperability (NGIIF) Reference Document Part III Installation Testing and Maintenance Responsibilities for SS7 Links and Trunk.pdf

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    ATIS 0300015-2011 Next Generation Interconnection Interoperability (NGIIF) Reference Document Part III Installation Testing and Maintenance Responsibilities for SS7 Links and Trunk.pdf

    1、 ATIS-0300015 Next Generation Interconnection Interoperability (NGIIF) Reference Document Part III, Installation, Testing and Maintenance Responsibilities for SS7 Links and Trunks Attachment D Test Severity Analysis Criteria Version 12.0 ATIS is the leading technical planning and standards developme

    2、nt organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry. More than 200 companies actively formulate standards in ATIS Committees, covering issues including: IPTV, Cloud Services, Energy Efficiency, IP-Based

    3、and Wireless Technologies, Quality of Service, Billing and Operational Support, Emergency Services, Architectural Platforms and Emerging Networks. In addition, numerous Incubators, Focus and Exploratory Groups address evolving industry priorities including Smart Grid, Machine-to-Machine, Connected V

    4、ehicle, IP Downloadable Security, Policy Management and Network Optimization. ATIS is the North American Organizational Partner for the 3rd Generation Partnership Project (3GPP), a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications Secto

    5、rs, and a member of the Inter-American Telecommunication Commission (CITEL). ATIS is accredited by the American National Standards Institute (ANSI). For more information, please visit www.atis.org. Notice This document was developed by the Alliance for Telecommunications Industry Solutions (ATIS) sp

    6、onsored Next Generation Interconnection Interoperability Forum (NGIIF). The NGIIF addresses next-generation network interconnection and interoperability issues associated with emerging technologies. Specifically, it develops operational procedures which involve the network aspects of architecture, d

    7、isaster preparedness, installation, maintenance, management, reliability, routing, security, and testing between network operators. In addition, the NGIIF addresses issues which impact the interconnection of existing and next generation networks and facilitate the transition to emerging technologies

    8、 All changes to this document shall be made through the NGIIF issue resolution process. Note Regarding Previous Versions The NIIF Reference Document was formerly known as the Network Operations Forum (NOF) Reference Document. The NOF Reference Document was published and maintained by Bellcore. The l

    9、ast version of the NOF Reference Document is Issue 13. Disclaimer and Limitation of Liability The information provided in this document is directed solely to professionals who have the appropriate degree of experience to understand and interpret its contents in accordance with generally accepted eng

    10、ineering or other professional standards and applicable regulations. No recommendation as to products or vendors is made or should be implied. NO REPRESENTATION OR WARRANTY IS MADE THAT THE INFORMATION IS TECHNICALLY ACCURATE OR SUFFICIENT OR CONFORMS TO ANY STATUTE, GOVERNMENTAL RULE OR REGULATION,

    11、 AND FURTHER NO REPRESENTATION OR WARRANTY IS MADE OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR AGAINST INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS. ATIS SHALL NOT BE LIABLE, BEYOND THE AMOUNT OF ANY SUM RECEIVED IN PAYMENT BY ATIS FOR THIS DOCUMENT, WITH RESPECT TO ANY CLAIM, AND IN

    12、 NO EVENT SHALL ATIS BE LIABLE FOR LOST PROFITS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES. ATIS EXPRESSLY ADVISES THAT ANY AND ALL USE OF OR RELIANCE UPON THE INFORMATION PROVIDED IN THIS DOCUMENT IS AT THE RISK OF THE USER. ATIS-0300015, NGIIF Reference Document, Part III, Installation and Maint

    13、enance Responsibilities for SS7 Links and Trunks, Attachment D, Test Severity Analysis Criteria, Formerly NIIF 5018 The NGIIF Reference Document, Part III, Installation and Maintenance Responsibilities for SS7 Links and Trunks, Attachment D, Test Severity Analysis Criteria, is an ATIS standard devel

    14、oped by the NGIIF. Published by Alliance for Telecommunications Industry Solutions 1200 G Street, NW, Suite 500 Washington, DC 20005 Copyright 2011 by Alliance for Telecommunications Industry Solutions All rights reserved. 2 No part of this publication may be reproduced in any form, in an electronic

    15、 retrieval system or otherwise, without the prior written permission of the publisher. For information contact ATIS at 202.628.6380. ATIS is online at . Printed in the United States of America. 3 Test Severity Analysis Criteria Table of Contents 1 SEVERITY LEVELS 4 2 REASONS 4 3 LEVEL 2 SS7 LINK TES

    16、T . 4 4 LEVEL 2 SS7 LINK TEST . 5 5 LEVEL 3 SS7 LINK TEST . 6 6 ISUP TESTS . 7 7 SCCP MANAGEMENT MESSAGES ACROSS SS7 NETWORKS 8 4 1 Severity Levels 1. Very low probability of causing Network Harm. 2. Low probability of causing Network Harm. 3. May cause Network harm if tests run for a long time or a

    17、re improperly performed. 4. Will cause Network harm if tests run for a long time or are improperly performed. 5. Too risky to be performed during normal Traffic periods. 6. Not recommended to be done where it affects Live network traffic. 2 Reasons Tests are only performed over test trunks that are

    18、not yet carrying live traffic. There should be minimal or no affect on other trunks or the switch itself. Only affects one Link. Tests are only performed over test trunks that are not carrying live Traffic. Other trunks and the switch itself may be affected. Affects two or more Links. Test Scripts m

    19、essages may cause problems if they are left on for a long time. Test Scripts messages could enter the network. Test Scripts messages will not go over the network. May be disruptive to live signaling. High probability of being disruptive to live signaling. Will be disruptive to live signaling. 3 Leve

    20、l 2 SS7 Link Test The tests listed are referenced in Part III, Attachment A. TEST DESCRIPTION NGIIF TEST # SEVERITY REASON TYPE LEVEL Timer T2 1.1 1 B & G I* Timer T3 1.2 1 B & G I* Timer T1 & T4 1.3 1 B & G I* Timer T1 & Emergency 1.4 1 B & G I* 5 Deactivation during Initial Alignment 1.5 1 B & G I

    21、* Deactivation during Alignment 1.6 1 B & G I* SIO received during Link In-Service 1.7 1 B & G I* SIOs received during In-Service State 1.8 1 B & G I* Deactivation during the Proving Period 1.9 1 B & G I* Break Transmission Path 1.10 1 B & G I* Corrupt FIBs 1.11 1 B, E & G I* Flag Insertion within O

    22、CTET Boundaries 1.12 1 B, E & G I* Signal Unit Error Rate Monitor 1.13 1 B & G I* Signal Unit Error Rate Monitor 1.14 1 B & G I* Consecutive Corrupt Signaling Units 1.15 1 B & G I* I* = INTRUSIVE TESTS The interconnecting circuit shall be interrupted, with the testing unit inserted into the circuit

    23、and acting as an emulator to the signaling point under test. NI* = NON-INTRUSIVE TESTS The test shall be able to observe traffic traversing the link(s) between the two (2) signaling points in a monitor mode. 4 Level 2 SS7 Link Test The tests listed are referenced in Part III, Attachment A. TEST DESC

    24、RIPTION NGIIF TEST # SEVERITY REASON TYPE LEVEL Alignment Error Rate Monitor 1.16 1 B & G I* Alignment Error Rate Monitor 1.17 1 B & G I* Negative Acknowledgement 1.18 1 B & G I* Retransmission Buffer Full 1.19 1 B & G I* Erroneous FIB 1.20 1 B, E & G I* Erroneous Retransmission of Multiple FISUs 1.

    25、21 1 B, E & G I* Abnormal Backward Sequence Number 1.22 1 B & G I* Abnormal Backward Sequence Number 1.23 1 B & G I* Delay of Acknowledgement 1.24 1 B & G I* Normal Align 1.38 1 B & G NI* 6 Broken Transmission Path 1.39 1 B & G NI* MSU Transmission and Reception 1.40 2 B & F NI* I* = INTRUSIVE TESTS

    26、 The interconnecting circuit shall be interrupted, with the testing unit inserted into the circuit and acting as an emulator to the signaling point under test. NI* = NON-INTRUSIVE TESTS The test shall be able to observe traffic traversing the link(s) between the two (2) signaling points in a monitor

    27、 mode. 5 Level 3 SS7 Link Test The tests listed are referenced in Part III, Attachment A. TEST DESCRIPTION NGIIF TEST # SEVERITY REASON TYPE LEVEL Link Activation - Multi Links 1.25 1 D & G I Discrimination of Invalid Point Code 1.26 1 D & G I Load Distribution 1.27 1 D & G NI Load Sharing between L

    28、ink Sets/between Two (2) Link Sets 1.28 1 D & G NI Changeover initiated at one side of a Link Set 1.29 3 D & G NI Changeover to alternate Link Set 1.30 3 D, G & I NI Change-Back within a Link Set 1.31 3 D, G & I NI Change-Back from another Link Set 1.32 2 D, G & I NI Inhibit Available Link 1.33 2 C,

    29、 G & I NI Inhibit Unavailable Link 1.34 2 C, G & I NI Inhibit Denied 1.35 5 D, G & H NI Management Un-Inhibit with Change-Back 1.42 2 D, G & I NI Manual Un-Inhibition of a Link without Change-Back 1.43 1 D & G NI Link Forced Un-Inhibit 1.44 5 D & G NI Management Inhibiting Test 1.37 3 D & G NI Signa

    30、ling Route Management Tests 1.45 1.46 5 5 D, F & H D, F & H I I 7 1.47 1.48 1.49 5 5 4 D, F & H D, F & H D, F & H I I I I* = INTRUSIVE TESTS The interconnecting circuit shall be interrupted, with the testing unit inserted into the circuit and acting as an emulator to the signaling point under test.

    31、NI* = NON-INTRUSIVE TESTS The test shall be able to observe traffic traversing the link(s) between the two (2) signaling points in a monitor mode. 6 ISUP Tests The tests listed are referenced in Part III, Attachment B. TEST DESCRIPTION NGIIF TEST # SEVERITY REASON TYPE LEVEL Circuit Validation Test

    32、(CVT) EO-IC (Org) * (CVT) AT-IC (Org) * (CVT) IC-EO (Term)* (CVT) IC-AT (Term)* 2.1 1 A NI Continuity Check Request (CCR) EO-IC (Org) * (CCR) AT-IC (Org) * (CCR) IC-EO (Term) * (CCR) IC-AT (Term) * (CCR) EO-AT-IC (Org) * 2.2 1 A NI Continuity Test Successful * 2.3 1 A NIEO-IC (Org) Continuity Test U

    33、nsuccessful EO-AT-IC (Org) * 2.4 1 A NI Continuity Test - Previous Circuit 2.5 1 A NI Continuity Test Successful - CRM 2.6 1 A NI Continuity Unsuccessful - CRM 2.7 1 A NI Single Circuit Block/Unblock 2.8 1 A NI BLO/UBL Single Circuit Block/Reset Circuit/ Unblock - BLO/RSC/UBL 2.9 3 C NI I* = INTRUSI

    34、VE TESTS The interconnecting circuit shall be interrupted, with the testing unit inserted into the circuit and acting as an emulator to the signaling point under test. 8 NI* = NON-INTRUSIVE TESTS The test shall be able to observe traffic traversing the link(s) between the two (2) signaling points in

    35、 a monitor mode. 7 SCCP Management Messages Across SS7 Networks The tests listed are referenced in Part III, Attachment C. TEST DESCRIPTION NGIIF TEST # SEVERITY REASON TYPE LEVEL Successful UDT Queries/Responses - FGTT 3.1 2 F Failure - Unassigned Codes 3.2 1 G Failure - Invalid Address Indicator i

    36、n Called Party 3.3 1 G Failure - GTT (TT & GT Digits) 3.4 1 G Failure - (no entries for GT) 3.5 1 G Failure - MTP Network Routing at an STP with GTT Functions 3.6 1 G Failure - of the Signaling End Point 3.7 6 J Failure - of the Signaling End Point 3.8 Successful UDT Queries/Responses - FGTT in the Originating Network 3.9 2 F SSP/SST and SSA - FGTT in Originating Network 3.10 6 J SST/SSA - FGTT in Originating Network 3.11 2 F


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