CCAP Converged Cable Access Platform Gerry White, Distinguished Engineer CTO Group CABU With material shamelessly stolen from multiple industry wide CCAP Sources July 2014 © 2012 Cisco and/or its affiliates. All rights reserved. 1 • Why CCAP? • What is CCAP? • Differences to current CMTS • CCAP components & implementation • Distributed CCAP / Remote PHY • NFV & Virtualized CCAP © 2012 Cisco and/or its affiliates. All rights reserved. 2 © 2012 Cisco and/or its affiliates. All rights reserved. 3 • More Video • More Devices Keep up with unprecedented bandwidth growth © 2012 Cisco and/or its affiliates. All rights reserved. • More Personal • More Interactive Pressure to reduce rack space and power Migrate to an all-IP network with the existing infrastructure 4 © 2012 Cisco and/or its affiliates. All rights reserved. 5 • Converged multi-service platform - single port per SG • Increased DOCSIS capacity / SG • Reduced cost-per-downstream • Reduce rack space per system • Scaleable deployment options © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 66 • Separate CMTSs & EQAMs • Limited channel capacity per platform broadcast narrowcast Router • Multiple platforms for each CMTS • Complex combining • Scaling problems as add SGs OOB UEQAM analog OOB combining Laser © 2012 Cisco and/or its affiliates. All rights reserved. Rcvr Cisco Confidential 77 • Combine CMTS & EQAM Router • Higher performance • Single port per SG Digital Video and data • Simpler combining • Easier scaling CCAP OOB analog OOB combining Laser © 2012 Cisco and/or its affiliates. All rights reserved. Rcvr Cisco Confidential 88 • Include optics and combining Router • Further space reductions Digital Video and data OOB analog CCAP OOB Analog optics © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 99 • Integration of services • One port per SG • High capacity & density • Lower costs • Efficiency & scale • Centralization of resources • Hub in box © 2012 Cisco and/or its affiliates. All rights reserved. 10 • Goals Achieve 10+ Gbps in the DS. Achieve 1+ Gbps in the US Backward compatibility story with DOCSIS 3.0, 2.0, & 1.1. Better spectral efficiency. • Technology OFDM, OFDMA, LDPC New DS and US spectrum Re-use of D3.0 MAC concepts • This will allow D3.1 to offer services competitive with FTTH. © 2012 Cisco and/or its affiliates. All rights reserved. 11 Exabytes per month 80 • Converged multi-service platform - single port per SG 70 • Increased DOCSIS capacity / SG 60 • Reduced cost-per-downstream 50 • Reduce rack space per system 40 30 • Scaleable deployment options 20 • + DOCSIS 3.1 10 0 2000 2005 © 2012 Cisco and/or its affiliates. All rights reserved. 2010 2015 Year Cisco Confidential 12 12 IP Services Data VoIP IP Video CMTS DOCSIS EQAM DOCSIS Combining Network VoD EQAM VoD Combining Network SDV EQAM SDV Combining Network Broadcast EQAM Bcast Combining Network F C o o n r r m e d w b r a i HFC SG 1 F C o o n r r m e d w b r a i HFC SG N Digital Video Services Linear VoD NPVR Inefficient EQAM capacity utilization, complex combining networks © 2012 Cisco and/or its affiliates. All rights reserved. 13 Integrated CCAP IP Services Data VoIP IP Video Digital Video Services Linear VoD NPVR CMTS Universal EQAM F C o o n r r m e d w b r a i HFC /PON SG 1 F C o o n r r m e d w b r a i HFC /PON SG N Increase capacity & reduce cost, rack space and power consumption One port per SG © 2012 Cisco and/or its affiliates. All rights reserved. 14 © 2012 Cisco and/or its affiliates. All rights reserved. 15 Generic CCAP Components Routing Packet engines Control & management DOCSIS + EQAM Supervisor & packet engine DOCSIS lineDOCSIS cards line Active line cards cards Spare line card(s) BH PIC RF PIC Timing Northbound interfaces To core 10G Ethernet Southbound interfaces To HFC RF or optical External timing Digital and RF mid-planes © 2012 Cisco and/or its affiliates. All rights reserved. 16 Supervisor Cards • Integrated backhaul capacity • 1+1 redundancy • N * 10G interfaces RF Line Cards • Port per SG • Full spectrum per port • DS + US on one card or • DS cards + US cards • N+1 redundancy with integrated RF Switch Power Supplies • 5 -> 10KW © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 17 17 RF Line Card PICs High density connectors Integrated analog optics Remote PHY digital optics Supervisor PICs N x 10 GE ports Management Timing Power Connections Cooling Exhaust fans © 2012 Cisco and/or its affiliates. All rights reserved. 18 Capacity Convergence Reduced costs Reduced space & power © 2012 Cisco and/or its affiliates. All rights reserved. DOCSIS 3.0 + 3.1 Scale from 1 to 10 Gbps downstream per SG 100 to 200Gbps backhaul initially – more later DOCSIS IP and MPEG video narrowcast and broadcast Next generation silicon – processing, packet forwarding, DOCSIS High level of integration Reduced cost per channel Integration Reduced combining Integrated optics Cisco Confidential 19 19 © 2012 Cisco and/or its affiliates. All rights reserved. 20 • Remove RF from head end / hub • Replace analog fiber from hub to node with digital • Leverage Ethernet / PON and digital optics • Extend IP networking to the node • Simplify operations • Keep the node as simple as possible • Keep the complex s/w central © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 21 21 DOCSIS L2 MAC Common L1 PHY • In a I-CCAP, the CMTS and EQAM share a common PHY RF • PHY provides digital to analog conversion • Clock is local to the CCAP platform Video L2 MAC © 2012 Cisco and/or its affiliates. All rights reserved. clock 22 DOCSIS L2 MAC Remote PHY Video L2 MAC DEPI Ethernet Ethernet Remote PHY UEPI clock R-DTI Common L1 PHY RF clock • The CCAP PHY chip is remotely located and connected over Ethernet • Digital to analog occurs in the Remote PHY node • Remote DTI manages transfer of time and frequency © 2012 Cisco and/or its affiliates. All rights reserved. 23 DOCSIS Signaling Remote PHY Signaling CCAP Core Internet Digital Fiber (IP) L2 and above DOCSIS PacketCable DOCSIS Policy Server DOCSIS Provisioning © 2012 Cisco and/or its affiliates. All rights reserved. CCAP Remote PHY Coax DOCSIS CM • Adapts CCAP to an HFC plant that contains digital fiber instead of linear fiber • DOCSIS signaling remains end-to-end 24 Router • Remove RF from head end / hub Digital Video and data • Replace analog fiber from hub to node with digital • Leverage Ethernet / PON and digital optics OOB CCAP OOB • Extend IP networking to the node • Enabler for virtualization Digital Optics © 2012 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 25 25 © 2012 Cisco and/or its affiliates. All rights reserved. 26 Concept dDOS VM SBC VM Firewall VM NAT VM CGN VM DPI VM IPS VM Virus Scan VM DHCP VM DNS VM PCRF VM Portal VM WLC VM RaaS VM SDN Ctrl. VM BRAS VM NMS VM Caching VM CDN VM WAAS VM Value Proposition Leverage data centre tools and technology Shorter innovation cycle Run network functions in VMs in data centers Improved service agility Enablers Hypervisor and cloud computing technology Improving x86 h/w performance © 2012 Cisco and/or its affiliates. All rights reserved. Reduction in CAPEX and OPEX Applications CCAP? 27 With Remote PHY CCAP -> CCAP core + Remote PHY With no RF interfaces CCAP core is a canditate for virtualization vCCAP runs in VM on standard server platform with Ethernet interfaces CCAP = CMTS +EQAM vCCAP is actually vCMTS + vEQAM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM CCAP VM © 2012 Cisco and/or its affiliates. All rights reserved. CCAP becomes vCMTS + vEQAM + R-PHY 28 NFV is a direction that Service Providers are headed in an effort to reduce OPEX It allows a generic hardware complex with specialized software applications. It trades off specialized hardware for less optimized common platforms It uses standard management and orchestration tools © 2012 Cisco and/or its affiliates. All rights reserved. NFV and Orchestration required is not simple but - It is heavily leveraged from the data center - It is mainstream technology - It could have significant advantages especially for scaling & OPEX Physical versus virtual will be a choice 29 Products Applications & End to End Connectivity Applications Residential & Business Services Applications Evolved Services Platform Orchestration Installed Base + CCAP HFC Plant - - Classic HFC © 2012 Cisco and/or its affiliates. All rights reserved. CCAP-Core NFV FTTx OLT RPHY SHELF RPHY NODE ONT - Small Hub - Linear Fiber - Deep Fiber - Digital Fiber Ethernet NID - High SLA Commercial - Select Residential 30 Thank you. Gerry White gerrwhit@cisco.com © 2012 Cisco and/or its affiliates. All rights reserved. 31