1. Slide title In CAPITALS 50 pt Slide subtitle 32 pt PDU PCN TTCN 3 in SGSN testing Peter Eldh

2. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-262 Our business

3. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-263 Introducing TTCN 3  Why? –The same functional test tool for both GSM & WCDMA access –Automation –New test ports, interfaces and test objects needed –Wanted the advantages in TTCN 3 (speed, debug, usability…) –Re-writing of existing test cases (automation requirements, different structure to support new test objects) TTCN 3 introduction projectSGSN development project Jan. 2004 June 2004  How? –Separate project with GA targeting the start of a SGSN development project –7 persons – 6 I&V and 1 PLM –Goal: Covering 80 % of the legacy functional req. with automated test cases ~ 1500 test cases

4. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-264 SGSN environment Ge Gf Uu Um D Gi Gn Iu Gc C E Gp Gs MSC/VLR TE MT UTRAN TE PDN Gr Iu HLR Other PLMN SGSN GGSN Gd SM-SC SMS-GMSC SMS-IWMSC GGSN EIR SGSN Gn CGF Ga Billing System Gb TE MT BSS R A R CAMEL GSM SCF AUC SUT TTCN3 simulated nodes SGSN TTCN3 simulated interface

5. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-265 SGSN test configuration SGSN I/f hardware Gb IuC/Gr/Ge Gd/Ge UNIX WS TCAP TP UDP TP SCCP TP TCP TP (Gch, modified Ga) IuU/Gn/Gp TTCN-3 SS7 API Unix socket TTCN-3 RTE TTCN-3 compiled modules functions in C++ (e.g. enc/dec) TCAP SCCP MTP3 L2 E1 or ATM LLC BSSGP NS FR E1 SS7 Gb stack LLC TP NS TP Gb API

6. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-266 Testflow ARS UCD/NFD Analyze Modelling Coding - Review MT MIT SI NIV SV FOA SI System Integration ST System Test SV System Verification Passed Test Cases- new functionality Achieved capacity, Stability… Delivery PTB Pre-Test of Build (Regression) FT Functional Test TTCN

7. Top right corner for field-mark, customer or partner logotypes. See Best practice for example. Slide title 40 pt Slide subtitle 24 pt Text 24 pt Bullets level 2-5 20 pt © Ericsson AB 2005TTCN 3 in SGSN testing2005-04-267