SCATS 6.9.2 Release Review
SMUG, March 2013
Sydney
SCATS 6.9.1 Release Review
This presentation describes the new features
introduced in
SCATS 6.9.2 Commercial Release.
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SCATS 6.9.2 Release Summary
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 is
currently compiled.
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SCATS 6.9.2: What’s new
Recommended Model 2 – improved.
- Re-establish connection to SCMS database
Prime RC1
Region 1
Prime
CM
Backup
CM
Prime RC2
Region 2
…
CM
DB
Replicated
CM
DB
Prime RC6
Backup RC1
Region 1
Region 2
Region 3
Region 4
Region 5
Region 6
Region 6
Prime
Dongles
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SCATS
CM
SCATS
CM
Backup
Dongles
4
SCATS 6.9.2: What’s new - 2
• System Summary dialogue – details are now shown by default.
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SCATS 6.9.2: What’s new - 3
• Intersection Alarms: Reset Intersection – AL/ and COM/
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SCATS 6.9.2: What’s new - 4
• Change Request: SCATS Lamp Operations
- RK=LS is now retired
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SCATS 6.9.2: What’s new - 5
• New “No skip” option
defined for
VR22 – Dwell a phase
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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 OnRamp Queue Response
- Limits excessive green time when no discharge is possible
- Applies volume-based "gating“ between the current and upstream intersection
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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
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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.
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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!
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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
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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
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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
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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
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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
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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!
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Debate
• Intersection - Site
• Cycle Time – Cycle Length
• Phase Flags – Phase Features
• Event/Log Print from Central Manager – proposed to be obsolete
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Debate – cont’d
• Action List editor – editing short cuts versus introduced ones
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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_virtualisation.pdf
• How to deal with complexity?
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Discussion – cont’d
RMS Recommendations
• Virtualised Central Manager?
• What sort of database replication is recommended?
• Distributed versus centralised regional computers?
• Link Plan/Rotation monitoring
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