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TDTWG Update. Trey Felton Manager, IT Service Delivery. MT Performance (September 2011). SLO: 1.5 seconds. SLO: 3.0 seconds. SLO: 7.0 seconds. SLO: 15 seconds. SLA Exception Request.

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tdtwg update

TDTWG Update

Trey Felton

Manager, IT Service Delivery


mt performance september 2011
MT Performance (September 2011)

SLO: 1.5 seconds

SLO: 3.0 seconds

SLO: 7.0 seconds

SLO: 15 seconds


sla exception request
SLA Exception Request
  • ERCOT requests a 36-hour Release window be granted for October 22-23 (Saturday noon through Sunday midnight), and again for the same period on October 29-30 
  • These two windows are necessary to complete the migration (and verification) of Production systems as part of the Data Center Migration Project 
  • There are no Release windows outlined in the SLA for 2011 due to Nodal Stabilization
    • Currently there are only Sunday maintenance windows, which are insufficient for the volume of activities with the Data Center Migration 


retail sla
Retail SLA
  • Release Windows (sect 2.1.2 and 2.2.2)
    • Added: Upon implementation of TXSET 4.0, the 4th weekend release window will be modified to comply with business day protocols, and the SLA will be updated to reflect these changes.
  • Browser Standard information added to section 4 (next slide)


browser standard timeline
Browser Standard Timeline
  • ERCOT currently supports Internet Explorer 6 and 7 browsers
    • Other browsers are mostly, if not fully, compatible though not supported by ERCOT IT staff (Firefox, Safari, Chrome, etc)
    • ERCOT is planning to have all market facing applications compatible with Microsoft browser IE8 (Internet Explorer v8) by April 1, 2012
      • The IE8 browser is compatible with the latest version of Microsoft Windows Operating Systems (Windows 7) and contains improved security features.  
      • Prior to April 1st, 2012 ERCOT will publish a list of recommended IE8 browser configuration settings
  • ERCOT’s support for IE8 will allow Market Participants to upgrade their browsers anytime after the effective date
    • Any Market Participant that has a problem with IE8 after April 1, 2012, can report the issue to Client Services or to ERCOT’s Helpdesk
    • ERCOT will continue to support Microsoft IE7 until mid-2014. No action is required from Market Participants at this time.