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ERCOT WAN Refresh Project (Phase 2) WAN Migration to VOIP (WMWG) Mike Stewart

ERCOT WAN Refresh Project (Phase 2) WAN Migration to VOIP (WMWG) Mike Stewart Manager, Telecom Administration Feb 25, 2019. Purpose of Discussion .

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ERCOT WAN Refresh Project (Phase 2) WAN Migration to VOIP (WMWG) Mike Stewart

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  1. ERCOT WAN Refresh Project (Phase 2) WAN Migration to VOIP (WMWG) Mike Stewart Manager, Telecom Administration Feb 25, 2019

  2. Purpose of Discussion To provide the ERCOT Market with advanced notice of a Wide Area Network (WAN) technology upgrade that will impact Participant billing and Control Room voice communication.

  3. WAN OverviewCurrentState

  4. Project Overview Objectives • Modernize the ERCOT WAN • Replace AT&T Point-to-Point Network • AT&T is sunsetting the Point-to-Point network • Avoid exorbitant fees/rate-hike associated with legacy technology • Migrate Voice Communication to Voice Over IP (VOIP) • Meet carrier compatibility requirements • Meet ERCOT Market demand for relevant technology • Implement voice high-availability

  5. WAN OverviewFuture State

  6. Impact to the Market • NOGRR required • Market Notices will be distributed as we progress • Costs not determined yet; however, we generally expect an improvement • There will be some overlap between old and new carrier billing, which may result in double-billing until migration completes • Market Participants will need to work with our carrier(s) to: • Define circuit access • Extend network demarcation • Schedule installation • ERCOT will work with Market Participants to: • Schedule and conduct VOIP testing & migration

  7. Other • ERCOT will work with select participants to test VOIP options • Participants should not be required to upgrade internal systems • Compatible options will be provided • The current Sprint MPLS network will not be impacted • Contact Mike Stewart (mike.stewart@ercot.com) regarding questions/concerns

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