IP Core Network Realization - IEEE 802 Cisco.pdf · IP Core Network Realization ... Core Network...
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1 © 2001, Cisco Systems, Inc. All rights reserved. IP Core Network Realization Ruben Montoya Technical Marketing Engineering Mobile Wireless Group
Transcript of IP Core Network Realization - IEEE 802 Cisco.pdf · IP Core Network Realization ... Core Network...
1© 2001, Cisco Systems, Inc. All rights reserved.
IP Core Network RealizationRuben Montoya
Technical Marketing EngineeringMobile Wireless Group
22© 2001, Cisco Systems, Inc. All rights reserved. 2
IP Core Network Realization - Agenda
• Introduction
• Major Driving Forces
• Industry Migration to all IP
• IP Core Key Elements
• Summary
33© 2001, Cisco Systems, Inc. All rights reserved. 3
Office Unwired
• Mobile• Secure• Access anywhere• Same look and feel• Ease of use• Personalised • Single sign-on• Multiple, billable
sessions
Footprint
Hotspots
Office
Elsewhere
Home
Devices
Web
Intranet
eLearning/eCommunication
Workforceoptimization
Calendar
44© 2001, Cisco Systems, Inc. All rights reserved. 4
• Introduction
• Major Driving Forces
• Industry Migration to all IP
• IP Core Key Elements
• Summary
IP Core Network Realization - Agenda
55© 2001, Cisco Systems, Inc. All rights reserved. 5
Global Deregulation
Voice
Internet Explosion
Data
Open Standards
Technology
Performance/Bandwidth
Price
Major Market Forces
66© 2001, Cisco Systems, Inc. All rights reserved. 6
IP Core Network Realization - Agenda
• Introduction
• Major Driving Forces
• Industry Migration to all IP
• IP Core Key Elements
• Summary
77© 2001, Cisco Systems, Inc. All rights reserved. 7
Wireless Architecture Today
Hosted App.
Hosted App.
ININ
MSCMSCCircuit Backbone
IP
• Services specific to equipment supplier• Hierarchical • Bottlenecks• Inefficient use of bandwidth
PSTN
88© 2001, Cisco Systems, Inc. All rights reserved. 8
Services
Core Network
Access Network(s)
Internet
PTSN
Common IP Architecture
Core IP
UnifiedCommunications
UnifiedCommunications
VoiceFeatures
VoiceFeatures E-CommerceE-Commerce Web
HostingWeb
HostingLocationServicesLocationServices
Other FeatureServers
Other FeatureServers
Network MgtCall Agent
cdmaOnecdmaOne CDMA2000CDMA2000UMTSUMTS OFDMOFDMGSMGSM
MobilityManagement
Radio Network ControllerAccessControl
WLANWLAN
99© 2001, Cisco Systems, Inc. All rights reserved. 9
Wireless Internet Architecture
• Distributed• Service and
transport independence
• Services ecosystem • Bandwidth efficient• Options for
integrated services IP
Third-Party ApplicationsThird-Party
Applications
Open IP Standards
Hosted Applications
Hosted Applications
Internet
Enterprise
PSTN
ININ
1010© 2001, Cisco Systems, Inc. All rights reserved. 10
IP Core Network Realization - Agenda
• Introduction
• Major Driving Forces
• Industry Migration to all IP
• IP Core Key Elements
• Summary
1111© 2001, Cisco Systems, Inc. All rights reserved. 11
The Benefits of Integrating IPv6
Large Address Space
Enhanced Mobility
The UbiquitousThe UbiquitousInternetInternet
“Plug-and-Play”
1212© 2001, Cisco Systems, Inc. All rights reserved. 12
Explosion of New Internet Appliances
1313© 2001, Cisco Systems, Inc. All rights reserved. 13
Mobility using Mobile IPMobility using Mobile IP
The movement is transparent to all other devices
FA
FA
10.31.1.1
10.31.2.1 HA
Old Data Path
New Data PathNo changeis propagated tocorresponding nodes
FA
10.31.3.1
MN
1.1.1.7
1.1.1.7
MN
1414© 2001, Cisco Systems, Inc. All rights reserved. 14
IP Core QoS ArchitectureIP Core QoS Architecture
• Classification• Marking• Policing and Shaping• Scheduling• Congestion Avoidance
No state
Best effort
Per-flow state
RSVP v1/IntServ
Aggregatedstate
Diffserv
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Multicast Services Are Efficient
Source
C
BA
D
San FranciscoTokyo
New York
Paris
Network
! Bandwidth Conservation! One source to few groups! Multiple sources to
different groups
MulticastMulticast
Chicago
Broadcast: EntireEntire Network Receives the PacketNetwork Receives the Packet
ChicagoChicago
ParisParis
New YorkNew YorkSan San FranciscoFrancisco
TokyoTokyo
Network
ChicagoChicago
ParisParis
New YorkNew YorkSan San FranciscoFrancisco
TokyoTokyo
Unicast::Many Copies of the Same Packet SentMany Copies of the Same Packet Sent
Network
1616© 2001, Cisco Systems, Inc. All rights reserved. 16
IP Core Network Realization - Agenda
• Introduction
• Major Driving Forces
• Industry Migration to all IP
• IP Core Requirements
• Summary
1717© 2001, Cisco Systems, Inc. All rights reserved. 17
• Mobile• Secure• Access anywhere• Same look and feel• Ease of use• Personalised • Single sign-on• Multiple, billable
sessions
Footprint
Office Unwired – New World Operator
Hotspots
Office
Home
Devices
Intranet
Workforceoptimization
E-Learning
Calendar
End to End IP Core
Radio Router
18© 2001, Cisco Systems, Inc. All rights reserved.
