IP Core Network Realization

Transcription

1 IP Core Network Realization Ruben Montoya Technical Marketing Engineering Mobile Wireless Group 2001, Cisco Systems, Inc. All rights reserved. 1

2 IP Core Network Realization - Agenda Introduction Major Driving Forces Industry Migration to all IP IP Core Key Elements Summary 2001, Cisco Systems, Inc. All rights reserved. 2

3 Office Unwired Office Footprint Hotspots Home Elsewhere Devices Mobile Secure Access anywhere Same look and feel Ease of use Personalised Single sign-on Multiple, billable sessions Intranet Web Calendar Workforce optimization elearning/ ecommunication 2001, Cisco Systems, Inc. All rights reserved. 3

4 IP Core Network Realization - Agenda Introduction Major Driving Forces Industry Migration to all IP IP Core Key Elements Summary 2001, Cisco Systems, Inc. All rights reserved. 4

5 Major Market Forces Data Performance/ Bandwidth Voice Price Internet Explosion Technology Global Deregulation Open Standards 2001, Cisco Systems, Inc. All rights reserved. 5

6 IP Core Network Realization - Agenda Introduction Major Driving Forces Industry Migration to all IP IP Core Key Elements Summary 2001, Cisco Systems, Inc. All rights reserved. 6

7 Wireless Architecture Today Services specific to equipment supplier Hierarchical Bottlenecks Inefficient use of bandwidth Hosted App. IN IP Circuit Backbone MSC PSTN 2001, Cisco Systems, Inc. All rights reserved. 7

8 Common IP Architecture Services Unified Communications Voice Features E-Commerce Web Hosting Location Services Other Feature Servers Core Network Network Mgt Call Agent Core IP Mobility Management Internet PTSN Access Network(s) Access Control Radio Network Controller WLAN GSM cdmaone UMTS CDMA2000 OFDM 2001, Cisco Systems, Inc. All rights reserved. 8

9 Wireless Internet Architecture Distributed Service and transport independence Services ecosystem Bandwidth efficient Options for integrated services Third-Party Applications Hosted Applications Open IP Standards IP IN PSTN Enterprise Internet 2001, Cisco Systems, Inc. All rights reserved. 9

10 IP Core Network Realization - Agenda Introduction Major Driving Forces Industry Migration to all IP IP Core Key Elements Summary 2001, Cisco Systems, Inc. All rights reserved. 10

11 The Benefits of Integrating IPv6 Large Address Space Plug-and-Play The Ubiquitous Internet Enhanced Mobility 2001, Cisco Systems, Inc. All rights reserved. 11

12 Explosion of New Internet Appliances 2001, Cisco Systems, Inc. All rights reserved. 12

13 Mobility using Mobile IP MN FA MN FA FA HA New Data Path Old Data Path No change is propagated to corresponding nodes The movement is transparent to all other devices 2001, Cisco Systems, Inc. All rights reserved. 13

14 IP Core QoS Architecture No state Aggregated state Per-flow state Best effort Diffserv Classification Marking Policing and Shaping Scheduling Congestion Avoidance RSVP v1/ IntServ 2001, Cisco Systems, Inc. All rights reserved. 14

15 Multicast Services Are Efficient Unicast::Many Copies of the Same Packet Sent Tokyo Broadcast: Entire Network Receives the Packet Tokyo San Francisco San Francisco Chicago Network Chicago Network New York Paris New York Paris Multicast Chicago Source San Francisco A Network Tokyo B D C New York Paris! Bandwidth Conservation! One source to few groups! Multiple sources to different groups 2001, Cisco Systems, Inc. All rights reserved. 15

16 IP Core Network Realization - Agenda Introduction Major Driving Forces Industry Migration to all IP IP Core Requirements Summary 2001, Cisco Systems, Inc. All rights reserved. 16

17 Office Unwired New World Operator Devices Footprint Radio Router Intranet Workforce optimization End to End IP Core Mobile Secure Access anywhere Same look and feel Ease of use Personalised Single sign-on Multiple, billable sessions E-Learning Calendar Hotspots Office Home 2001, Cisco Systems, Inc. All rights reserved. 17

18 2001, Cisco Systems, Inc. All rights reserved. 18