SCATS 6.9.2 Release Review
SMUG, March 2013Sydney
2SMUG 2013
SCATS 6.9.1 Release Review
This presentation describes the new featuresintroduced in
SCATS 6.9.2 Commercial Release.
3SMUG 2013
SCATS 6.9.2 Release Scope
• Maintenance release• 16+ new features• 16+ bug fixes
In operation at TMC since March 2013 – V6.9.2.5
Commercial release iscurrently compiled.
SCATS 6.9.2 Release Summary
4SMUG 2013
SCATS 6.9.2: What’s new
Recommended Model 2 – improved. Re-establish connection to SCMS database
PrimeCM
SCATSCM
CMDB
BackupCM
SCATSCM
CMDB
BackupDongles
PrimeDongles
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
5SMUG 2013
SCATS 6.9.2: What’s new - 2
• System Summary dialogue – details are now shown by default.
6SMUG 2013
SCATS 6.9.2: What’s new - 3
• Intersection Alarms: Reset Intersection – AL/ and COM/
7SMUG 2013
SCATS 6.9.2: What’s new - 4
• Change Request: SCATS Lamp Operations RK=LS is now retired
8SMUG 2013
SCATS 6.9.2: What’s new - 5
• New “No skip” optiondefined for VR22 – Dwell a phase
9SMUG 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
10SMUG 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
11SMUG 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.
12SMUG 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!
13SMUG 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
14SMUG 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
15SMUG 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
16SMUG 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
17SMUG 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
18SMUG 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!
19SMUG 2013
Debate
• Intersection - Site
• Cycle Time – Cycle Length
• Phase Flags – Phase Features
• Event/Log Print from Central Manager – proposed to be obsolete
20SMUG 2013
Debate – cont’d
• Action List editor – editing short cuts versus introduced ones
21SMUG 2013
Discussion
HA infrastructure Review / Recommendations
• Why do we virtualise? Save money, conserve energy, secure data more incentives to virtualise: flexibility and redundancy http://www.it-ps.com/assets/files/documents/white_paper_why_virtu
alisation.pdf
• How to deal with complexity?
22SMUG 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