BellSouth Enterprise DSL

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BellSouth Enterprise DSL

• Overview for
• Computer Networks Class

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Evolving Our Revenue Mix
Revenue Mix 1999 25.1B in Revenue DWI Growth
Plans 34
Revenue Mix 2002e 29B in Revenue DWI
LD Growth Plans 47
Broadband Data
Wireless
AP
Wireless
LD
Broadband Data
AP
Local Voice
Local Voice
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BellSouth e-Platform Portfolio
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Broadband Customer Growth
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• The DSL coverage leader

Qualified Lines (EOY 2001e)
of Households Eligible
SBC, Verizon, Qwest - Estimates from Lehman
Brothers
Deployed in 65 major metros
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BellSouth DSL Reliability

• Overall Network Performance
• End of August 2002 99.979 Uptime!
• Includes
• Central Office DSLAMs
• Remote Terminal DSLAMs
• ATM Switches
• Broadband Gateway Switches
• Interoffice Facilities

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BellSouth Enterprise DSL

• New Symmetrical DSL Service
• ITU Standards based G.SHDSL Technology
• Provisioned over New Copper Loop
• Utilizes Entire Bandwidth Spectrum
• No POTS (Voice Dial Tone Service)
• Initially Available as UBR QoS
• Provisioned with Minimum Cell Rate (MCR)
• MCR equal to 25 of the Loop Speed Ordered
• Ordered and Provisioned Similar to Existing DSL
  Service (via ATM Connections)

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BellSouth Enterprise DSL
Loop Length
Loop Speed
MCR
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BellSouth Enterprise DSL Architecture
ATM UBR VC
ATM Network
NSP Network
E DSL Line
Router
DSLAM
NSP Customer Premise
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BellSouth Enterprise DSL Pricing

• Enterprise DSL (G.SHDSL) with UBR QoS
• Pricing below is tentative Pending tariff filing
• Targeted Launch Mid 4Q02
• Full Launch 1Q03

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BellSouth Enterprise DSL Futures
New Enterprise DSL with Multi-VC Multi-QoS
1.5Mbps pipe
512Kbps VBR-RT (Video)
VC-1
384Kbps VBR-nRT (Voice)
VC-2
VC-3
384Kbps VBR-nRT (Frame)
VC-4
384Kbps UBR (IP/ISP)