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MPLS From a Carrier Perspective

Learn about MPLS adoption and future developments from a carrier's perspective, including challenges and future plans for network integration and service improvement. Explore strategies for cost reduction and service unification.

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MPLS From a Carrier Perspective

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  1. MPLS From a Carrier Perspective Alan Hinds CWO IP Network Planning & Architecture

  2. Agenda • CWO Perspective on MPLS • CWO MPLS Deployments • Future Developments

  3. CWO Perspective on MPLS • A key enabling technology for reducing costs and simplifying networks • Unifying core layer for multiple services • Simplifying protocol layers

  4. CWO MPLS Adoption

  5. Deployment Strategy • Gradual migration of features and products onto MPLS • technological maturity • organisational change

  6. Internet • CWO Internet service runs over an MPLS core • MPLS LSP segregate national and international traffic • POS and GE transmission • fast re-route instead of SDH protection

  7. IP-VPN • Some IP-VPN running over MPLS • RFC2547 based MPLS-VPN • Migrating from MPLSoATM to the MPLSoSDH/GE core • providing VPN connectivity only

  8. Challenges so far • Provisioning systems are immature • Delivery of functions on MPLS-VPN

  9. Future Developments

  10. CWO ICON • Integrated Converged Optus Network • long term direction to provide all services over a single (data) network

  11. Short term • MPLS-VPN to enable single IP edge device for all IP services • no more routers dedicated to a particular service • National, international, bundled Internet, IP-VPNs and transparent LAN

  12. Short Term • VLAN trunking over MPLS • point to point LAN transport over the MPLS core • implement service on same edge device and as IP services

  13. Long Term • ATM over MPLS • ATM and IP over a single MPLS core network may reduce costs • Implementations of ATMoMPLS under active study • expect QoS and network management challenges

  14. Long Term • Voice • packetised voice over IP or (maybe) directly MPLS • significant challenges in providing an IP/MPLS network with voice grade availability

  15. Summary • MPLS is seen as a key enabling technology for reducing network costs and complexity • MPLS in service for Internet and IP-VPN • ATMoMPLS and VLANoMPLS under active study • Voice under study

  16. Questions?

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