A Practical Approach for Providing QoS: MPLS and DiffServ Thomas Telkamp Director Data Architecture and Technology Global Crossing Telecommunications, Inc. [email protected]MPLS Maximizing the Performance and Profitability of Optical and Data Networks July 12 - 13, 2001 Dublin, Ireland
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A Practical Approach for Providing QoS: MPLS and DiffServ Thomas Telkamp Director Data Architecture and Technology Global Crossing Telecommunications,
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A Practical Approach for Providing QoS: MPLS and
DiffServ
A Practical Approach for Providing QoS: MPLS and
DiffServ
Thomas TelkampDirector Data Architecture and TechnologyGlobal Crossing Telecommunications, [email protected]
MPLSMaximizing the Performance and
Profitability of Optical and Data Networks
July 12 - 13, 2001
Dublin, Ireland
AgendaAgenda
•Global Crossing MPLS deployment•Quality of Service?•A Practical Approach
Network Design and Capacity Planning Differentiated Services MPLS for Traffic Engineering Fast Reroute and Per-Class TE Queuing and Scheduling
•Conclusion
Based on announced network
SAC
PAC
MAC
AC-1PEC
North American Crossing
PC-1
EAC
AC-2
Global Crossing IP Backbone NetworkGlobal Crossing IP Backbone Network
GBLX MPLS DeploymentGBLX MPLS Deployment
•Operational since 2Q 1999 Traffic Engineering IP TTL issues
•Worldwide MPLS mesh 1Q 2001•Currently over 6000 LSPs•Network:
Cisco and Juniper routers OC-48 wavelengths Covering Asia, US, South America and Europe
•New Services: VPN (L2/L3)
MPLS Traffic EngineeringMPLS Traffic Engineering
Quality of Service?Based on a paper with XiPeng Xiao (Photoris, Inc.) and Lionel M. Ni (Michigan State University)
Quality of Service?Based on a paper with XiPeng Xiao (Photoris, Inc.) and Lionel M. Ni (Michigan State University)