open vran ecosystem · &lvfr dqg ru lwv diiloldwhv $oo uljkwv uhvhuyhg &lvfr...
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20-Sept-2018
Overview and Current Activities
Open vRAN Ecosystem
Bob Everson – Global Director, Mobility and 5GSteve Mailey – Consulting Systems EngineerNic Martinez – Consulting Systems Engineer
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Agenda
1
2
3
4
5
Why Open vRAN?
What is the Open vRANEcosystem?
Introduction to RAN and vRAN Architectures
Demos and Production Ready Systems
Wrap-up, Q&A
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Software is Eating the World
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• Disaggregation simplifies scaling of h/w and s/w instances
• Rapidly deploy new capabilities and services
• Infrastructure and location agnostic
• Easier to stich together complex service chains
• Simpler to standardize ops tooling
The Modern CSP has a Software Personality
Transport
Mobile Core
Edge Access
L4-7 Services
Data Center
RAN
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Software Defined Mobile Network
From: To:
Network defined (and constrained) by RAN
Network defined by the services, and desired
operational model
Closed interfaces, limited options
Open, modular solutions
Monolithic, Proprietary Systems
Flexible, Agile Software-Based Solutions
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Ecosystem Overview
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Accelerate the viabilityand adoption of open virtualized RAN
(vRAN) solutions and ensure their extension into a broader software-
defined network architecture
Open vRAN Ecosystem Overview
Technology Economics
Operations Consumption
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Open vRAN Ecosystem Overview
Current Vendor MembersRU
vRAN S/W
NFVI / Compute
Mobile Core
Transport
Automation
Services
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Why Open vRAN End-to-End Solution?
Use Cases• Densification• Reach• Small Cell• 5GNR• Private Mobile Networks
Open• Modular solutions• Cloud infrastructure
flexibility• IP transport
Flexible• New and existing
environments• Adapts to business req’ts
Multi-vendor• Leading innovators• Ecosystem = Choice
and Scale
Ready to Deploy• Pre-validated• Pre-integrated
Synergies• Better end-to end• Network Slicing• MEC• Automation /
Orchestration
Net Benefits• Flexible architecture• Agile service delivery environment• Lower TCO
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RAN and vRAN Architecture Overview
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Internet, Enterprise,
etceNB
Traditional Distributed RAN Architecture
Backhaul Agg/Core
MME
SGW
PGW
BBU
RRH/RU
RRH = Remote Radio HeadRU = Radio UnitBBU = Baseband UniteNB = Evolved Node B (LTE)
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Internet, Enterprise,
etc
CPRIFronthaul BBU
eNodeB
Transition to C-RAN Architecture
Agg/Core
BBU
RRH/RU
Backhaul
MME
SGW
PGW
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Internet, Enterprise,
etc
Centralized RAN Architecture
Backhaul Agg/CoreCPRI
Fronthaul BBURRH/RU
CPRI (Common Public Radio Interface) Fiber Fronthaul:Constant Bit Rate – transmits even when no user traffic, no multiplexingHighly inefficient – scales with number of antennas, not data rate
i.e. 150Mbps data = ~2.5Gbps CPRI trafficRequires very low latency – 200µsOptical transport; RAN vendor proprietary format
MME
SGW
PGW
Remote BBU -typically proprietary closed platform
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Internet, Enterprise,
etc
Virtualized/Cloud RAN Architecture
Backhaul Agg/CoreFronthaulOptions vBBU
RRH/RU
Virtualized Baseband –typically clusters running on COTS H/W
Fronthaul - CPRI or eCRPI (enhanced CPRI, moving to more open splits – i.e. xRAN/ORAN
MME
SGW
PGW
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Internet, Enterprise,
etc
Transition to Split Architecture
Backhaul Agg/CoreFronthaul vBBURRH/RU
MidhaulFront-haul DU CU
MME
SGW
PGW
Further disaggregate vBBU real-time and non-real-time functions into DU – Distributed Unit and CU – Centralized Unit
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Internet, Enterprise,
etc
Split vRAN Architecture
Backhaul Agg/Core
Fronthaul and Midhaul splits discussed more later. One key goal is driving away from vendor proprietary solutions, towards open IP/Ethernet based technologies.
MME
SGW
PGW
MidhaulFront-haulRRH
/RU
DU CU
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Internet, Enterprise,
etc
Midhaul
Split vRAN Architecture, cont.
Backhaul Agg/CoreFront-haulRRH
Split architecture flexibility:Each CU can support multiple DU’sEach DU can support multiple RRH’s
MME
SGW
PGW
RRH
RRHDU
DU
CUDU
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Internet, Enterprise,
etc
Midhaul
Further Control Plane Split
Backhaul Agg/CoreFront-haul
CU
-U
P
RRH/RU
DU
CU
-C
P
Some operators looking to split RAN control plane and user plane to allow them to scale independently and architect their network in
more granular manner
MME
SGW
PGW
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Internet, Enterprise,
etc
Midhaul
Split Architecture – Where to Split?
Backhaul Agg/CoreFront-haulRRH/RURRH/RU
DU CU
RAN protocol stack splits are not clear cut…how to determine what
goes where?
MME
SGW
PGW
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Data
RFLow PHY
PDCP RRCHigh PHY
Low MAC
High MAC
Low RLC
High RLC
There are a lot of Split Options
Option 8 Option 7 Option 6 Option 5 Option 4 Option 3 Option 2 Option 1
Greater bandwidth requirements
Higher Latency sensitivity
Increased radio co-ordination
Fronthaul/Lower Layer Split
CPRIMidhaul/
Higher Layer Split
We’ll focus on 2 Initially
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Internet, Enterprise,
etc
Midhaul
Split Architecture – Where to Split?
Backhaul Agg/CoreFront-haulRRH
/RU
DU CU
General thinking is option 7-2x for DU-RU, option 2 for CU-DU. Can vary based on deployment model, service types i.e. Fixed Wireless could do option 2 split to RU with integrated DU, etc. More work to come here + deeper dive presentation on splits coming soon
MME
SGW
PGW
Option 7-2x Option 2
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Open vRAN Ecosystem
Flexible Architecture Options
BackhaulAgg/Core
NGC
EPC
HLSOption 2
LLS (7-2x)
DUCUUPF
MEC
PacketMIdhaul
DUCU UPCU-UPCU CPCU-CP UPF
MEC
PacketMidhaul
DUCUPacketMidhaul
Fronthaul
UPF
MEC
DUCUUPF
MEC
Automation and OrchestrationAutomation and Orchestration
Security, Management, and SupportSecurity, Management, and Support
HLSOption 2
RU
RU
RU
RU
RU
RU
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Open vRAN DemosPre-5G: Let’s Deploy Now5G: It’s Real
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Pre-5G Open vRAN End-to-End SolutionE2E Converged Multi-vendor Pre-5G
‘Network-in-a-box’
• Pre-certified• Pre-integrated• Ready to deploy
Efficiently Delivering High-Quality Video
• CUPS-enabled MEC App Edge Cache• Network Slicing Differentiated Services
MidhaulOption 2
Backhaul Agg/CoreAltiostarRU / DU
Cisco EPC
AltiostarvCU
CiscoUPF
QwiltEdge
Cache
Cisco NFVI
Cisco CPS
Cisco NSO / ESC
IMS
HSS
Cisco NFVI
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MWC Americas – Cisco Meeting Room Tech M Redmond Lab
Edge Compute
Pre-5G Open vRAN End-to-End Solution: Flows
AltiostarRU / DU
Altiostar
vCU
CiscoUPF2
Internet
Cisco NFVI
CiscoUPF1
CiscoPCRF
HSS
IMS
CiscoCPF
QwiltEdge
Cache
QwiltCache
RegularUser
PremiumUser
Qwilt CP / Video Origin
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5G Open vRAN End-to-End PoCE2E Multi-vendor 5G SA PoC• OTA 5G SA Data Call• Cloud-native 5G SA Core• 5G SA Core Deployable on
Any Platform
High-bandwidth OTA Video Streaming
• CUPS-enabled MEC App Edge Cache• Automation Google Cloud Deployment
Backhaul Agg/CorePhazr gNBRU / DU / CU
Cisco5G SA Core
CiscoUPFSynamedia
Edge Cache
Cisco NFVI
Cisco Automation
Orchestration
Cloud Platform
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Cisco BXB Lab / GCP
Cisco Container Platform
MWC Americas – Cisco Meeting Room
5G Open vRAN End-to-End PoC: Flows
PhazrgNB
SMF
AMF
PhazrUE
Dev Hub Repo
Tiller
Prometheus/Grafana
Docker
PCF
NRFNSSF
Kubernetes
Pod Network(Contiv VPP)
AUSF/UDM PATS
Helm Charts/Docker images
Edge Compute
UPF
Edge Cache
Internet
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Enabling New Services
Enhanced Mobile Broadband1000x BW, 10-100x
End User Speed
Ultra Reliable Low Latency Communication~1ms Latency
Massive Machine-type Communications1000x Density
• Vehicle updates, telematics, and infotainment
• Warehouse logistics, automated delivery services
Connected Car / RC Drones
• Police, fire, hospitals with strict SLAs and security
Network Slicinge.g. Public Sector Private Networks
• Augmented, virtual, and mixed reality for learning, gaming, 4K/8K
Augmented / Virtual Reality Delivery
• Smart-sensor enabled
• Waste and recycling, parking, smart grid, homes
Smart CityEnablement
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Accelerating to a truly software-defined mobile network
Open vRAN Ecosystem – Wrap Up
Enabling open, flexible architectures
Technology + Business + Operational + Consumption
Real solutions are possible now
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Questions?
Contact us: [email protected]
https://blogs.cisco.com/sp/open-vran-ecosystem-enabling-a-better-mobile-architecture
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