Leverage SDN Principles in LTE to Meet Future Network Demands
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1 Leverage SDN Principles in LTE to Meet Future Network Demands
2 PLATFORM FOR PROFITABLE GROWTH The Role of SDN in LTE Networks SDN refers to specific technologies considered promising for mobile network evolution Separation of the control and data planes - allows sophisticated traffic management to be driven by software, rather than purely by hardware routers Network virtualization - the implementation of network components in software and the replacement of dedicated, proprietary hardware with commoditized IT platforms Service exposure - : although not strictly overlapping with SDN, service exposure seems to be integrated in current vendor strategies to help operators expose network functionality to third parties more effectively
3 SURVEY RESULTS How Does The Market Perceive The role of SDN in Mobile Networking
4 BUILDING THE NEW MOBILE NETWORK Leverage SDN Principles to Meet Future Network Demands Dramatic Growth Accelerated Change Increase Service Velocity Bandwidth usage generally grows to meet capacity. Smartphone users consume more data over time. Beyond smartphones and tablets, M2M will drive increased network usage. To manage growth, mobile network operators are faced with near constant change. The new mobile network must simplify the deployment, provisioning and management of new services/ capacity The traditional business model for mobile providers is shifting from voice/sms to data. Networks must evolve to become platforms for service delivery open, dynamic, flexible.
5 Demand CAPACITY ON DEMAND Leverage SDN Principles to Meet Future Network Demands 1 Dramatic Growth Planned Investment Actual Demand Planned Demand 2 3 Accelerated Change Increase Service Velocity Time Capacity on demand, better resource utilization.
6 ADD CAPACITY, NOT COMPLEXITY Leverage SDN Principles to Meet Future Network Demands Dramatic Growth Accelerated Change Increase Service Velocity Linear network growth drives exponential provisioning complexity. Adding capacity as VMs dramatically reduces provisioning.
7 OPEN PLATFORM FOR SERVICES Leverage SDN Principles to Meet Future Network Demands Dramatic Growth Accelerated Change Increase Service Velocity Standard VM platform supports services from variety of vendors.
8 SDN DEPLOYMENT IMPLEMENTATIONS Different Parts of the Network will be Subject to Different Benefits 2G/3G LTE TDM/ ATM/ IP IP/ MPLS Ethernet ACX Portfolio Cell site router Metro Transport MX Portfolio Mobile Control Gateway SGSN, MME Policy Manager PCRF, OCS, OFCS Internet Mobile Data Center Small Cells Wi-Fi WLAN Controller Trusted Wi-Fi Access SRX LTE Security IPsec Termination Gn Firewall Mobile BB Gateway S-GW, P-GW, SAE GW, GGSN, WAG In-Line Services Service Delivery Gateway In-Line Services SRX Gx Firewall Gi Firewall Enterprise Cloud RAN Flexible new air interfaces Backhaul/Access Security Packet Core Less over-provisioning Adaptive traffic management Fast introduction of new elements LTE Sec Gateway Native IP transport exposed Simplified packet core architecture Consolidation of Value Add Services Platform for innovation Service exposure VAS BSS and OSS virtualisation Billing flexibility MVNO interfacing
9 PLATFORM FOR PROFITABLE GROWTH The Role of SDN in Mobile Networks (e.g. Juniper E2E Virtualisation) Services DPI / TRAFFIC DETECTION POLICY CONTROL CACHING & VIDEO CARRIER GRADE NAT Internet RAN FIREWALL IPSec JunosV App Engine IPS/ IDS SECURITY SaMOG SGSN /MME JunosV App Engine SUBSCRIBER MANAGEMENT LOAD BALANCING WAN OPTIMIZATION JunosV App Engine FIREWALL Mobile Data Center Small Cells Wi-Fi ACX Portfolio Cell site router Enterprise MX Portfolio Forwarding/Networking LTE/ Access Security Mobile Broadband Gateway Service Delivery Gateway Backhaul Security Packet Core Value Added Services
10 SGSN/MME EXAMPLE USE CASE VIRTUAL MME Significant operational benefits in the EPC Traditional Mobile Control Gateway Virtual Mobile Control Gateway MCG ATCA chassis JunosV App Engine MX 3D VSEs (x86) 10M active users 32 ATCA chassis 3 zones (11 ATCA per zone) 300K subscribers per chassis 10M active users 54 VSE appliances backup 3 zones (1 MX 3D/zone) 3.3M users per MX 3D, 400K users per VSE virtual Mobile Control Gateway Benefits Financial Benefits 54% lower TCO 65% lower OpEx 53% lower CapEx Development Time & Cost 87% faster capacity additions 92% less capacity addition cost
11 EXAMPLE USE CASE - VIRTUAL SDG Transform Service Velocity Core Enablers PCRF OCS e.g. Openet Juniper Virtual Network System Automation of Service Chain creation Data Center Mobile / fixed edge Fixed Edge PGW-GGSN Per subscriber Application awareness and Control Policy controlled Steering to service chains Service chain execution (VNS controlled) VAS 1 HE Value Added Services on the cloud VMs VAS 1 HE VAS 2 VidOpt VAS 2 VidOpt VAS 2 VidOpt Service chain VMs execution (VNS controlled) Servers / OS/Hypervisor VPN MX Value Added Services complex (e.g. Colocated with edge, distributed) Virtual SDG Benefits Financial Benefits Rapid new service deployment Third part service exposure Lower cost service architecture Juniper Service Delivery Gateway Service chain execution (VNS controlled) VAS 3 LB VAS 1 HE VAS 6 IPSEC VAS 2 VAS 3 LB VidOpt VAS 2 VidOpt VAS 1 VAS HE VAS 4FW VAS 6 IPSEC VAS 5 CGNAT Juniper MX VAS 5 CGNAT
12 FUTURE MNO ORGANISATIONAL MODEL Leverage SDN Principles to Meet Future Business Model Last mile access Last mile access More physical Operating Company Network Operating Company Network TCO control Connectivity Network Operations Infrastructure Control Backbone Infrastructure Services Service control Infrastructure = physical+virtual resources Capability abstraction/exposure Service network Monetization Business/Consumer Operations Less physical Business Value Business-driven control of corporate and consumer services (leveraging resources distributed across several OpCos networks) Business customer apps Consumer customer apps Automated optimization of resources usage (physical or virtualized, across multiple opcos) Service-oriented capability exposure
13 CALL TO ACTION The Role of SDN in Mobile Networks SDN may introduce new types of services and breath new life into MNO business models Although SDN and virtualisation technologies are not yet standardised the software nature of the concepts allows MNO s to deploy now and upgrade to standardised components via software when available Service opportunities and integration with third parties are considered a major opportunity Start in the data centre, OSS and BSS and core networks to drive down TCO and offer new types of services whilst exploring more complex deployments in the edge and RAN
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