Moving To IP Backhaul


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Presentation I gave at the NVTel show in August of 2012 to small, rural, telcos. Discussed the advantages of moving to a converged network using IP/MPLS.

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Moving To IP Backhaul

  1. 1. Moving to IP Backhaul August 22nd, 2012 Matt Reath, Director of Sales Engineering
  2. 2. CCI • Presales, System Integration, Engineer/Design, Outside Plant Construction, and Wireless • Start-to-Finish Solutions/Whole Product Solutions • Optical, Routing/Switching, CMTS, Video, and WiFi • A leader in the telecommunications industry for over 50 years (since 1955) • Cisco Partner (focused on SP)
  3. 3. Agenda • Introduction • What is backhaul? • Current/Legacy backhaul solutions • Challenges • Future backhaul solutions • Q & A
  4. 4. What is backhaul? • Moving information/data from a remote site to a central site • Physical medium may differ; fiber, microwave, leased line, etc. • Quick, transparent • As cellular data becomes more IP based, the backhaul starts to look very similar to backhauling other data traffic
  5. 5. Backhaul Drivers • Increased number of mobile devices • Increased mobile data usage (3G, 4G/LTE, WiFi) • Increased overall data usage for wireline and wireless • Large wireless companies contracting out IP/TDM backhaul portion of 3G/4G. • Providers usually only have a small number of “Internet” connected POPs. All Internet traffic needs to be backhauled to those POPs.
  6. 6. Growth in Mobile Data Usage
  7. 7. Growth in Internet Bandwidth Usage
  8. 8. Current/Legacy Backhaul Solutions Separate Networks SONET/TDM • Voice services • Legacy data (DS1,DS3) ATM • Data services (DSL) • Leased line • Video IP • Data services • Internet routing (BGP) • IPv4 + IPv6 • MetroEthernet
  9. 9. Challenges • Increased TCO of owning multiple networks – Maintenance & Support – Operation (Employee costs) – Training – Initial cost of purchase • TDM/ATM hardware tends to be more expensive • Leasing TDM lines for backhaul purposes can be expensive – Average T1 costs around $400/mo, only providing 1.5Mbps • Less deployment flexibility – different device/network to accomplish tasks – not enough bandwidth
  10. 10. Future • Consolidated Network – Single network, various services – TDM emulation over IP (DS1,DS3,Oc-n) – Cost/TCO savings versus separate networks • Intelligence throughout network • Common transport and core • Varying edge services
  11. 11. Consolidated Network • TDM traffic transported using circuit emulation over MPLS • Ethernet transported using L3VPN, VPLS, Pseudowires, or standard routing • Flexible interface and transport support over a common MPLS infrastructure
  12. 12. Example Edge Device Example Edge Device • 1 port 10GbE • 8 port Copper GbE • 8 port SFP GbE • 16 port T1 **TDM** • 4 port OC-3/1 port OC-12 **TDM** Interfaces Protocols • Ethernet OAM (802.1ag, 802.3ah, Y.1731) • SyncE / BITS • IPv4 + IPv6 • MPLS (LDP, VPN, OAM, TE, FRR, TP) • EoMPLS, CESoPSN, SAToP **The TDM interface modules support the Any Service Any Port (ASAP) concept, including Asynchronous Transfer Mode (ATM) and circuit emulation functionality.
  13. 13. Converged Network What needs to be supported? TDM Services • RFC1588/SyncE Timing • Y.1731 Ethernet OAM • Circuit Emulation Services over MPLS Data Services • Routing protocols • L3VPN • BGP • IPv4+IPv6 • Data prioritization • MEF (E-LINE,E-LAN,E-tree) Video Services • Multicast • Video monitoring (QoE) • Quality of service Voice Services • Priority Queue (QoS) • HQOS • VRF support
  14. 14. Conclusion • Industry moving to network consolidation • IPv4 and IPv6 need to be supported • Network intelligence provides advanced routing, QoS, and network management • Multipurpose devices provide ATM, TDM, and IP over a common backbone • Cost savings through management of a common network • Increased revenue through additional service offerings
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