SBC NAP Attributes

PacBell

• In operation since 1994

• 55 customers / 70 ports

• 13 distributed Cisco BPX ATM switches

  • Collocated in distributed C.O.s: (11) in LATA 1 & (2) in LATA 5

• DS-3, OC-3c, OC-12c

• Busy Hour throughput = 2.5Gbps

• Bundled port and transport

• PVCs added upon individual requests

Ameritech

• In operation since 1994

• 130 customers / 160 ports

• 5 centralized Lucent GX 550/500 ATM switches
  • Centralized in data subsidiary switch site in downtown Chicago.

• DS-3, OC-3c, OC-12c

• Busy Hour throughput = 6.5Gbps

• Bundled port & transport

• Full meshed PVCs for peering established upon port installation

Two outages in 7 years/ 2001 MTBF= 100%

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