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Midwest Tier 2 ATLAS Connectivity

Midwest Tier 2 ATLAS Connectivity. By Brent O’Keeffe. Current Connectivity. Dual 10GE Connections to Regional Networks MREN CIC OmniPOP Layer 2 Peer Mapping to Brookhaven National Labs for Tier 1 Indiana University for Midwest Tier 2

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Midwest Tier 2 ATLAS Connectivity

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  1. Midwest Tier 2 ATLAS Connectivity By Brent O’Keeffe

  2. Current Connectivity • Dual 10GE Connections to Regional Networks • MREN • CIC OmniPOP • Layer 2 Peer Mapping to • Brookhaven National Labs for Tier 1 • Indiana University for Midwest Tier 2 • Additional peering needed for new Midwest Tier2 member UI-UC • Dual Layer 3 peering to Internet 2 for fallback ATLAS connectivity

  3. UChicago Current Connectivity

  4. Future Architecture • Larger Data Flows • Bandwidth Availability • Campuses Beyond 10Gb / Up to 20Gb possibly? • MREN versus OMNIPOP • UChicago/UIUC Direct Physical Connection • 100Gb Roadmap • Upgrading Ciena DWDM to 100G Capable – Jan. 2012

  5. Standard Connectivity

  6. Investigating Layer 3 • Connect to LHCONE using two paths • Static mapped VLAN 3000 via MREN / Starlight • Dynamic mapped VLAN 3000 via DYNES (through CIC OmniPOP) • Routed border to LHCONE Network • Implement Optimized Edge Routing • Utilizing BGP Local Pref and AS Prepending to prefer one path vs. another • Decision may be based on many factors (Latency, jitter, probe data) • May require additional LHCONE IP Space • Advertise more granular CIDR ranges to distribute load

  7. Investigating Layer 3

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