SCATS Release Review SMUG, March 2013 Sydney

2 SMUG 2013 SCATS Release Review This presentation describes the new features introduced in SCATS Commercial Release.

3 SMUG 2013 SCATS Release Scope Maintenance release 16+ new features 16+ bug fixes In operation at TMC since March 2013 – V Commercial release is currently compiled. SCATS Release Summary

4 SMUG 2013 SCATS 6.9.2: What’s new Recommended Model 2 – improved. ­Re-establish connection to SCMS database Prime CM SCATS CM DB Backup CM SCATS CM DB Backup Dongles Prime Dongles Region 1 Region 2 Region 3 Backup RC1 Region 4 Region 5 Region 6 Region 1 Region 2 Prime RC1 Region 6 Prime RC2 … Prime RC6 Replicated

5 SMUG 2013 SCATS 6.9.2: What’s new - 2 System Summary dialogue – details are now shown by default.

6 SMUG 2013 SCATS 6.9.2: What’s new - 3 Intersection Alarms: Reset Intersection – AL/ and COM/

7 SMUG 2013 SCATS 6.9.2: What’s new - 4 Change Request: SCATS Lamp Operations ­RK=LS is now retired

8 SMUG 2013 SCATS 6.9.2: What’s new - 5 New “No skip” option defined for VR22 – Dwell a phase

9 SMUG 2013 SCATS 6.9.2: What’s new - 6 SCATS Ramp Metering support: SI data is provided in ITS interface (SRMS only) ­Inclusion of VK and DS values for any type SI ­With a validated timestamp SCATS accepts an external dynamic maximum green request for On- Ramp Queue Response ­Limits excessive green time when no discharge is possible ­Applies volume-based "gating“ between the current and upstream intersection

10 SMUG 2013 SCATS 6.9.2: What’s new - 7 All IP addresses are stored in database Add a REFRESH button to Controller Equipment dialogue Add logging of DIDO version and serial numbers after establishing connection Update the look and feel of the Lamp/Lamp Details dialogue

11 SMUG 2013 SCATS 6.9.2: What’s new - 8 New Licensing Model Standalone dongles (green ones) must be present all the time. This is the current operation and a random check is performed. Network dongles must be present during start-up for authentication. If backup dongle is provided, either of them enables the authentication.

12 SMUG 2013 New Licensing Model – cont’d If network dongles become unavailable after successful authentication, a grace period is applied; Colour code of services reported in Access, right-top corner, will be grey stating either central manager or region dongle is no longer accessible A system alarm will be raised Applications are allowed to run until 1 PM next working day!

13 SMUG 2013 New Licensing Model – cont’d Unlimited network licences can be utilised as test-bed Test-beds must be configured as non-production server Non-production version of central manager will not have following functionalities; ­Route pre-emption, Time Distance Diagram, Incident Management, ITS port, Messages, accept non-production region connections only Non-production version of Region will not have following functionalities; ­ITS port, can only connect to non-production central manager

14 SMUG 2013 SCATS 6.9.2: What’s new - 9 To be implemented Time-Distance display includes TG & FG Show the source of SCATS Flags when Enhanced Special Dates – support range and priority Site communication statics optionally over 1 hour period

15 SMUG 2013 SCATS 6.9.2: Issues addressed - 1 An ITS application that sends more than 1100 bytes, crashes Central Manager Invalid input to Local (or Controller) Times would yield a deadlock in SCATS Access Link plan lock and trim is removed, monitor windows does not update immediately Link/Offset Plan dialogue: Changes are lost without warning

16 SMUG 2013 SCATS 6.9.2: Issues addressed - 2 Monitoring a site that is not communicating produces excessive updates which overrides user’s changes in PL0 SCATS Flags (child dialogues) not updated when monitored site changed Change of phases, split plan, and walk plans are now logged by Site ID ITS interface – region name checking is now case insensitive

17 SMUG 2013 SCATS 6.9.2: Issues addressed - 3 Modem Servers settings is lost if region network port is zero VR24 should not allow setting Z3 flag – reserved VC >= 4 Communications status not updated in 'Controller communications' dialogue

18 SMUG 2013 SCATS 6.9.2: Issues to be addressed The choice of HDLC or non-HDLC is overridden by SCATS SCATS clears split plan even though the user has locked the plan Special facilities dialogue: Usability issues with locks and trims Show full names of CE alarms in Access Terminology is reviewed!

19 SMUG 2013 Debate Intersection - Site Cycle Time – Cycle Length Phase Flags – Phase Features Event/Log Print from Central Manager – proposed to be obsolete

20 SMUG 2013 Debate – cont’d Action List editor – editing short cuts versus introduced ones

21 SMUG 2013 Discussion HA infrastructure Review / Recommendations Why do we virtualise? ­Save money, conserve energy, secure data ­more incentives to virtualise: flexibility and redundancy ­ How to deal with complexity?

22 SMUG 2013 Discussion – cont’d RMS Recommendations Virtualised Central Manager? What sort of database replication is recommended? Distributed versus centralised regional computers? Link Plan/Rotation monitoring