Geen diatitel

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The importance of SMC Service Management Center
and Quality of Service for management of
commercial networks
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Actual Situation
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ISP
SMC
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PROXY
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(Remote) user
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Alcatels Narrowband Enhancement (2/2)
DANA
Broadband PPP/ATM RAN architecture
ADSL
BOOSTING the network speed x 50 Using the POTS
hard shoulder Frequency modulation Simple
Plug-and-Play (Light ADSL) Based on
ATM Universal Single Standard
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Actual Problems
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256 - 384 Kb
768Kb - 1.5 MB
256 - 384 Kb
768Kb - 1.5 MB
256 - 384 Kb
768Kb - 1.5 MB
768Kb - 1.5 MB
256 - 384 Kb
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POTS Plain Old Telephone Service
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New Trends
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Frame Relay/ATM
Leased Line
ISP
Public
Time evolution
Virtual network
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Key Trends
Historical future

• Traffic patterns predictable chaotic
• WAN boundariesseparate integrated
• mission critical separate integrated
• data volume defined exponential
• requirement data information

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Key Necessities

• increased bandwith
• extended reach
• enhanced smart applications
• controlled behavior

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New Evolutions
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1. Development of WAN access is more customer
satisfaction orientated
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2. Integration of legacy networks
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_at_
New apps impact mission-critical apps
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3. Bandwith policies
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Based on
Packet loss round trip delay troughput packet
jitter one-way delay reachability networdk
service availability duration of outage lenght of
outages
Source Framework for metrics for SLA
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Every cube will be a VPN
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4. L2 versus L3 solutions
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1. Switching ltgt Routing advantages and
disadvantages. Is the world willing to adapt
Benefits gt development cost and investments
? Is the world able to adapt Backbone
support ? 2. IP and ATM
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IP packet
Packet switching gt no quality control
Cell switching Priority indication
ATM
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Quality-driven
Bandwith-driven
Connection oriented switching
Connectionless routing
Semi-Connection oriented routing
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Actual Challenges
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1. Integration of legacy networks, creation of
Intelligent Global Infonet
Switched circuit networks
ATM/BB/SCL/IP Network
Gateway
Gateway
IP Networks