Ronan Kelly - Adtran
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1) The document discusses the opportunities of SDN/NFV including disaggregated standardized hardware, virtualized network functions, and a fault tolerant modular software environment. 2) It explains why these concepts are relevant now due to trends like gigabit internet speeds and more data usage. 3) The document advocates for an open platform for service innovation using open source SDN/NFV and standardized interfaces to simplify network programming and automation.
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Ronan Kelly - Adtran
- 2. Ultrafast Broadband The SDN /NFV Opportunity Ronan Kelly CTO EMEA APAC 06 17
- 3. 2016 © ADTRAN, Inc. 3 Principles of an Open SD-Access Network Disaggregated Standardised Hardware Virtualised Network Functions Fault Tolerant Modular Software Environment Standardised Data Models Centralised vs Distributed Control Platform for Service Innovation
- 4. 2016 © ADTRAN, Inc. Why Is This Relevant Now? Always On Superfast 30Mbps Ultrafast Sub 300Mbps Gigabit Society
- 5. 2016 © ADTRAN, Inc. POTS (H.248/SIP) Line Card ADSL2+ Line Cards SuperVectoring Line Cards CXU Modules (Switching Fabric/Control Card) Disaggregated Standardized Hardware SLV Unit VDSL2 Line Cards PM or CIU Module PWR Modules… Fan Modules Vectoring Line Cards HD SLV Unit Compute Storage ToR Aggregation PON OLT Carrier Ethernet G.fast DPU LineCardsBackplaneControl
- 6. 2016 © ADTRAN, Inc. 6 Utilize Existing or 3rd Party Compute Resources Ethernet Foundation for All Access Granular Success Based Investments Compute Storage ToR Aggregation PON OLT Carrier Ethernet G.fast DPU LineCardsBackplaneControl
- 7. 2016 © ADTRAN, Inc. Virtualize Network Functions Proprietary Hardware with Embedded Software Traditional Network Elements PE Router WAN Acceleration Firewall Carrier Grade NAT Service AssuranceBNG Session Border Controller DPIMessage Router vBNG vRouter vSBC Virtual Network Functions Commodity Storage Commodity Compute
- 8. 2016 © ADTRAN, Inc. 8 vBNG vRouter vSBC Virtual Network Functions Commodity Storage Commodity Compute Lower Cost Compute Cycles Locate Network Functions at the Optimal Location Faster Innovation Cycles
- 9. 2016 © ADTRAN, Inc. Fault Tolerant Modular Software Environment 9 Software Architecture Details • Micro Services Architecture • Independent, component-based software packages • APIs Interconnect and designed for resiliency and high scalability • Pioneered by companies like Amazon, Google and Netflix DHCP ARP IGMP Clustering Protected Aggregation
- 10. 2016 © ADTRAN, Inc. 10 Clustering Protected Aggregation Increase Service Availability with Fault Tolerance Service Portability for Ease of Maintenance & Capacity Management Dynamic Creation & Relocation of VNFs
- 11. 2016 © ADTRAN, Inc. vCPEStandardised Data Models Aggregation Switch Disaggregated OLTs Remote OLTs & DPUs vOLT vSG Virtual Network Functions
- 12. 2016 © ADTRAN, Inc. Develop Automation Once Introduce Mixed HW Vendors with Ease Shorten Time to Cash vCPE Aggregation Switch Disaggregated OLTs Remote OLTs & DPUs vOLT vSG Virtual Network Functions
- 13. 2016 © ADTRAN, Inc. Distributed vs. Centralized Control 13
- 14. 2016 © ADTRAN, Inc. 14 Network Wide Informed Decision Making Potential to Introduce New Means to Monetise Services Network Slicing to Attract Broader Wholesale Customer Base Consumer Data is Becoming the New Currency
- 15. 2016 © ADTRAN, Inc. New Commercial Model Required
- 16. 2016 © ADTRAN, Inc. The Current Commercial Model
- 17. 2016 © ADTRAN, Inc. The Necessary Commercial Model
- 18. 2016 © ADTRAN, Inc. Open Platform for Service Innovation Open Source SDN Control and Orchestration (multi-vendor and multi-technology -- ONOS or ODL; OSM or Open-O, etc.) Open, programmable API Mgmt Apps Control Apps Orchestration Apps Simplified, abstracted network API native device integration Customer Portal App-based network programming Mosaic Cloud Open, programmable hardware Modular, app-based OS for physical or virtual networking functions MosaicOS OSS Adapter Virtual Network Functions Physical Network Functions
- 19. 2016 © ADTRAN, Inc. 19
Editor's Notes
- In summary 5th Gen Access is referring to technologies capable of delivering an Ultrafast broadband experience. Ultrafast broadband, According to Ofcom is any broadband service that offers in excess of 300Mbps. If we look at the 4th generation technologies, it is clear that many of them do not make the cut.
- We start out with a system that meets our immediate needs. As demand increases, and technology advances, we are presented with new capabilities that from the same location, levering the same investment in chassis, we can add a line card and deliver new services. And this happens many times in the systems life cycle, and each time we are faced with the dilemma, do I take an incremental upgrade or do I invest in a quantum leap that will fundamentally change my service offering? So why do we keep doing things this way, if better ways exist?????????
- Why – Reliability – Availability – Security Focus shifts from the impossible of never breaking, towards breaking gracefully so that services are not impacted.
- In an exchange based deployment we have thousands of nodes, increasing to 10s of thousands when we go to the cabinet, and if we go to the DP or basement, this increases to hundreds of thousands if not millions. OSS systems will not, I repeat, will not, scale to that level. All that compute resource our at the edge costs money in silicon, in increased power consumption, and in human resource costs in programming.
- Does anybody doubt that the forces I just described are going to have a major impact on our industry? We all agree that these forces are going to drive the need for ever more network investment to deliver the capacities needed, right? From everything I described, how are you going to monetize them so that returns from the necessary investment can be extracted?
- The current commercial model sees all the monetization focused towards the consumer. The consumer funds everything. Now they might be residential or enterprise, but either way they fund the operators today. Now keeping in mind the rising use of OTT for exclusive content distribution and the Cloudification of existing telco services as well as all software, this will have a negative impact on ARPU growth. And to add insult to injury, the declining ARPUs will be coupled with rising operational costs as bandwidth usage is driven higher by OTT streaming.
- The necessary commercial model would see network operators being able to monetize their network assets in both directions. The consumers continue to pay for the services they take from the operators, albeit with revenue losses to some of the OTT sources. However in the new model, the network operator has the means to provide the OTT producers with a value proposition that they are willing to pay for. Whether it is gaming companies seeking lower latency for their top tier customers, or enterprise applications providers seeking to offer SLAs to augment their cloud proposition, we should not try to guess evert use case that will emerge with this capability, because history has proven that we cannot. How many of you guessed last year that your networks would be carrying a bucket load of Pokemon traffic?