Post on 24-Jun-2015
description
Future for Policy Enforcement and Network Probes
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Today’s Presenters
Simon Stanley Analyst at Large
Heavy Reading
Karl Wale Director Product Line Management
Radisys
Agenda
• Market Trends and Network Architectures
• Multicore Processor Options and
Standardized Platforms
• PCEF Market and Implementations
• Traffic Management
• Conclusions
Mobile Market Trends
• Mobile broadband growing rapidly • Faster smartphones • Network intensive applications • New subscribers with broadband service
• Operators investing heavily • Network capacity • Network performance • LTE is key technology
• Operators need to maintain ROI • Maximize revenue per user • Optimize network configuration
Mobile Broadband Market Growth
Source: Pyramid Research
Policy Control
• Policy Enforcement • Control usage
• Subscription plan
• Network loading
• Type of application
• Allows application aware charging
• Network Probes • Passive systems • Monitor and record mobile network usage • Profile user behavior • Results used to refine subscription plans and optimize
network configuration
3G/LTE Network Architecture
Serving
Gateway
PDN
Gateway
RNC
S1-u
Internet
OFDMA
HSPA
NodeB
Radio Access Network Packet Core IMS / Internet
S5
luPS
HSPA
eNodeB
PCRF
SGSN
MME
HLR / HSS
GGSN
PCEF
Gn
Source: Earlswood Marketing
Multicore Processor Options
• General purpose multicore processors • X86 architecture • 4, 6 or more cores (12 or more virtual cores) • Closely coupled memory banks • DPI enhanced by SIMD cores and instruction extensions • Intel Data Plane Development Kit (DPDK)
• Integrated multicore processors • Up to 100 real or virtual cores (MIPS or PowerPC) • Enhanced DPI performance with new 64-bit cores • Integrated cross connect switch • High speed memory and networking interfaces • Offload engines & network accelerators
• Network Processors
• FPGAs
Standardized Platforms
• Carrier Grade Server Systems • Rack mount or blade servers • Based on x86 multicore processors • Need discrete switching and load
balancing systems
• ATCA • Carrier grade telecom platform • Widely used for IMS and 3G/4G
packet core • Support for all types of multicore
processor • Scalable platform • Integrated 10Gbit/s or 40Gbit/s
switching
DPI Market
• Standalone market growth • 30-50% CAGR
• Key trends • Fixed drove market early on • Mobile most significant 2012+ • Strong Far East growth • Includes PCRF
• Take-aways • Existing networks key, especially 3G • Fixed vs mobile architectures
Source : Infonetics 2011
Others available at
http://broabandtrafficmanagement.blogspot.com/p/dpi-market-size-forecast.html
Radisys Role in PCEF & DPI
55+ Licenses ~40% ATCA Market Share ATCA Leader ~60% Share
Macro -> Femto
Small Cells
10G ATCA -> 40G ATCA
SEG: Secure Backhaul Dumb -> Smart Pipe
Better QoE
VoLTE
A/V VAS
Expanding PCEF Capabilities
Policy Enforcement
Point
Access Aware
(Macro vs. Femto)
RAN Congestion
Aware
Tiered SLA Aware
(Platinum vs. Gold)
Application Aware
(Conversational vs. Streaming Video)
Device Aware (Tablet vs.
Smartphone)
DPI = Different Classes of Service + Traffic Optimization + Tiered SLA
DPI Applications Beyond PCEF
DPI
Subscriber
Mgmt
PCEF
Mobile Fixed
Security
LI
Monitoring
Offload Video
IOG
FGW
Charging
PCRF
…in reality market opportunity for DPI significantly larger than PCEF
…plus many of these inter-connect or leverage same architectures
Data Growing…is Gap Reducing ?
Text
Traffic Doubling every 12 months
Video = Operators’ Albatross
End of ‘unlimited’ plans
Revenue increase : sharing business
models & tiered services introduced
Moores law : lower cost/bit
Source: Cisco VNI Source: Heavy Reading
Revenues
Traffic
Revenues &
Traffic Gap
Narrow (?)
Revenue vs. Traffic Growth
Voice Era
Data Era
PCEF Scalability Paradigm
Cost / CapEx
Ca
pa
cit
y
3G
10-40G
LTE
100G+
Fixed
300-500G
Integrated
Edge Routers
10-40GbE
40-100GbE
Number of Ports
Port Speed 10-40-100G
Overall Platform Cost
Expansion Capabilities
Protecting existing CapEx
Audience Poll #1
When will PCEF systems require 100GbE ports?
• Using already
• 2012
• 2013
• Later than 2013
• Never
PCEF Platforms Decisions
Small
<10Gbps
Medium
10-100Gbps
Large
100Gbps
Today
Future
Enterprise Servers
Proprietary Appliance
AdvancedTCA (10G)
Appliance inc. clustering
Integrated Edge Routers
AdvancedTCA (40G)
Integrated Edge Router
Carrier Grade Appliances
Anatomy of PCEF
Policy Mgmt Application
inc. Rules Engine
Usage Reporting &
Statistics
PCRF Network
Management
FlowEngine
Load Balancer
DPI
Signature
Engine
Packet
Shaper
Rate Limit, Block
DPI
Signature
Engine
Packet
Shaper
Rate Limit, Block
DPI
Signature
Engine
Packet
Shaper
Rate Limit, Block
Configuration &
System Mgmt
e.g. Diameter Trillium
Stacks
Policy & Reporting Application
Session Processor(s)
Packet Processor
Load Balancer
Mobile Core
Network
Probes
High End AdvancedTCA PCEF
Port
Density
Up to 64 x
10G
Future
100GbE
ports …
LB
LB
LB
Hub
Switch
IO
IO
IO
LB IO Hub
Switch
16 x 10G
16x 10G
System Mgmt
Policy Engine
Policy Engine
Policy Engine
Policy Engine
Policy Engine
Policy Engine
Policy Engine
Network IO
640Gbps Load Balancer
300-400G Application ID & Policies
~ 320G
Adjust LB vs Policy Engine vs Chassis Size (2-6-14 slots)
To reach given capacity requirements
High End PCEF – The Alternatives
• Proprietary ? • OK if you are Tier 1 with volume – and even then it can
be expensive to re-use inhouse platform • Tier2/3, ROI usually too low unless R&D vs Revenue
significantly increased…shareholder support ?
• Blade Servers • CPU capacity is OK, but with external load balancer • Adding external load balancer introduces significant
cost and complexity
Transitioning to 100GbE
• Market is starting a move towards 100GbE • Catalyst will be widespread introduction of small form
factor, low cost optical modules such as CFP2
• Stand-alone PCEF influenced by edge routers • Connectivity mostly CFP today, which is too large and
costly for commoditization, especially in-building
• 2H 2012 / 2013 sees migration to 100G switches • This is catalyst for stand-alone PCEF to move to 100G • Short term 100G (10/10, 10/12) cables an alternative
Medium Capacity PCEF’s
Commerial
Network Appliances
2U 19” Rack Mountable
NEBS certified
20” deep (600mm cabinet)
Long lifecycle parts
FRU Serviceability
IO, PSU, Fans
HW accelerators
Fully managed
Carrier Grade PCEF for Mobile Networks……
…scalable from 10-40Gbps
…cluster for 100Gbps+
…migration from blades to appliances
Traffic Management
• Critical to overall QoS & efficiency
• Integral part of end to end policy strategy
• LTE expected to drive requirement from software to hardware
Traffic Management
• 5 Level Hierarchy
• Maps flowsports (Millions per system)
• Network processors feature heavily in proprietary integrated solutions (Edge Routers with DPI/PCEF)
• Future PCEF & standards based network elements will need capability
Packet Processor (Load Balancer/Session Processor)
Traffic Management Integration
RT
M
Ethernet Switch
CPU
CPU
Traffic Manager
PCIe x8 / ILA
Fab
ric
DIM
M
DIMM
NPU
Search
Memory
Buffer
Memory
Stats
Memory
Ingress Pre-processing
Egress
Traffic
Shaping
Audience Poll #2
What is your view on PCEF in LTE Networks
• Stand-alone PCEF will be most common
• PCEF function will reside in P-GW
• PCEF will be in separate edge routers
• LTE has enough capacity to not need PCEF
• Traffic management will replace PCEF
Conclusions
• PCEF remains strong, growing market • Stand alone & integrated both have role to play
• Creating & leveraging markets for network probes
• Fixed & mobile PCEF requirements differ, and potentially so do the fulfilment platforms
• Bladed solution gain strength, ATCA diversity key
• New architectures complete solutions • Carrier grade network appliances • Hardware based traffic management solutions
Q&A Session
Simon Stanley Analyst at Large
Heavy Reading
Karl Wale Director Product Line Management
Radisys
Thank you for attending!
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