mobile cloud talk for wwrf.pdf

© British Telecommunications plc

MobileCloud

Networking

Supporting mobility in the RAN cloud

Michael FitchBT

23rd October 2012


MobileCloud

Networking

Cloud basics• On-Demand Self-Service

– A consumer can provision computing capabilities, such as server time and network storage, automatically as needed

• Broad Network Access– Network capabilities and accessed through mobile phones, tablets,

laptops, and workstations• Resource Pooling

– Physical and virtual resources dynamically assigned and reassigned according to consumer demand.

• Rapid Elasticity– Capabilities can be elastically provisioned and released to scale

rapidly with demand• Pay-As-You-Go

– Leveraging a metering capability at some level of abstraction appropriate to the type of service

Taken mostly from NIST definition of Cloud Computing, special publication 800-145, September 2011


MobileCloud

Networking

Service delivery models

• Infrastructure as a Service (IaaS). Processing, storage, networks etc. The consumer can deploy, manage and run arbitrary software, including operating systems and applications.

• Platform as a Service (PaaS). Consumer applications created using programming languages, libraries, services, and tools supported by the provider.

• Software as a Service (SaaS). Consumer uses the provider’s applications running on a cloud infrastructure. Accessible from client devices such as a web browser or a programmable interface.


MobileCloud

Networking

Business Relevance / Advantages • Network Virtualization

– Enable Cloud paradigm (� IaaS/NaaS)�New business models

– Easy service deployment– High flexibility– Easy scalability– Optimal resource utilization– Energy saving

• Decentralization of processing and storage resources– Cost-reduction due to backhaul capacity savings– High QoE (low delay)– Access to local or location-based services


MobileCloud

Networking

Mobile architecture reminder

SAEgateway

MME

eNodeB

PCRF

HLR / HSS

SGSN

BSC RNC

BTS NodeB

GbS3lu

S4

S5

S6

S7

SGi

S1

Non-3GPP

S2

IP Services (IMS, Internet etc)

System Architecture EvolutionPolicy Control and Routing FunctionServing GPRS Support NodeMobility Management EntityIP Multimedia Subsystem

2G 3G 4G ? WiFi etc


MobileCloud

Networking

Mobile operators are suffering…. 1/3

• Difficult deployment/roll-out of new services: • IMS is still not rolled out and can only offer traditional operator services• Roll-out of new Internet-like operator services (e.g. online storage, VoD)

only possible through deployment of dedicated HW at central locations• 3rd party services (e.g. Google caches/docs) can only be hosted in central

data centers and based on special arrangements and/or custom solutions • Value-added services (e.g. based on location or proximity) is very difficult

due to lack of network/service integration� Operators lack truly flexible(!) service deployment /delivery platforms

Note: Flexibility in terms of no restrictions on protocols (e.g. SIP) or platform specific APIs, but rather on the level of Virtual Machines.

6


MobileCloud

Networking


• High CAPEX/OPEX with disproportionate RoI• Due to the explosive growth of mobile data traffic, operator network

infrastructure needs to be constantly upgraded�Operators are considered mere ‘bit-pipe’ providers

• Difficult to dimension network entities deployments • Current network entities typically serve a ‘single-purpose’�Unused resources can not be made available to other services• Flexible scale-up of resources/performance (e.g. processing

power, memory, etc.) is lacking �Operators must carefully plan and dimension current ‘single-

purpose’ network entities to avoid bottlenecks and high investment for under-utilized equipment

7


MobileCloud

Networking

• Excluded from the revenue value chain of the Internet ecosystem

� Operators are considered mere ‘bit-pipe’ providers

8

Subscribers

revenue

Mobile NetworkOperator

Subscribers

API

3rd partyService Provider

3rd partyService Provider

Mobile NetworkOperator

service



MobileCloud

Networking

Ingredients of a successful solution • Decentralization of Service Processors / Information Storage

– Enables operators to offer (network) services close to user• Advantages

� Low delay – fast service experience� Significant cost saving in backhaul � Optimum resource utilization in the backhaul

• Cloud/Virtualization Technology:– Extension of existing infrastructure for multi-purpose use– Enables operators to flexibly and dynamically deploy new (network)

services• E.g. Network as a Service (NaaS), Internet-like operator services, 3rd

party services and Telco services– Enable new business models and revenue streams – go beyond bit-pipe

provider– Facilitates more optimal resource utilization– Facilitates flexible and dynamic scale-up of resources– Lower investment risks

9


MobileCloud

Networking

1st Step: Decentralized Mobile Carrier Cloud

LTELTE

LTE LTE

LTE

Local P+S-GW

Decentralize Mobile Cloud

Local P+S-GW

Local P+S-GW

P + S GW = PDN Network +Serving Gateway


MobileCloud

Networking

1st Step: Decentralized Mobile Carrier Cloud

LTELTE

LTE LTE

LTE

Local P+S-GW

Decentralize Mobile Cloud

Move Cloud Nodes close to the Radio Node (i.e. into the

Backhaul NW)

Local P+S-GW

Local P+S-GW

Carrier’s Cloud server are provided

close to the user �acceleration!

Carrier Cloud services are provided close to

the user �acceleration!

• Fast service experience • Optimal routing• Reduction of traffic in

backbone/core network


MobileCloud

Networking

2nd Step: Mobile Carrier Network Cloud

LTELTE

LTE LTE

LTE

Virtual Mobile Core

Nodes/Gateways

Virtualize Mobile Core Nodes and Gateways (e.g. P/S-GWs, MMEs, PCRFs)


MobileCloud

Networking

Mobile Carrier Network Cloud

• The carrier network cloud allows for IaaS/NaaS• Example services

– Mobile operators can run their Mobile Core Network functions as a network cloud service (e.g. SGSN, GGSN, MMEs, S-GWs)

• Advantages– Single, integrated platform for both end-user and network

services– Reduced time for network functionality/service development

and deployment– Reduced infrastructure cost– Enables new business models


MobileCloud

Networking

Moving the cloud edge towards the air interface


MobileCloud

Networking

Centralised virtualisation needs fibreto all BSs

RRH

RRH

RRH

DatacentreFibres


MobileCloud

Networking

There is not fibre on all links….

RRH

RRH

RRH

DatacentreCloud edge

Maybe fibreMaybe not

- There may be bandwidth restrictions on backhaul links,so what should run at the cloud edge and what in the DC ?- How big should clusters be ?

Fibres


MobileCloud

Networking

Virtualising the mobile network - how far ?

SAEgateway

MME

eNodeB

PCRF

HLR / HSS

SGSN

BSC RNC

BTS NodeB

GbS3lu

S4

S5

S6

S7

SGi

S1

Non-3GPP

S2



MobileCloud

Networking

SAEgateway

MME

eNodeB

PCRF

HLR / HSS

SGSN

BSC RNC

BTS NodeB

GbS3lu

S4

S5

S6

S7

SGi

S1

Non-3GPP

S2




MobileCloud

Networking

SAEgateway

MME

eNodeB

PCRF

HLR / HSS

SGSN

BSC RNC

BTS NodeB

GbS3lu

S4

S5

S6

S7

SGi

S1

Non-3GPP

S2



BBU, antenna processing, radio resource allocation can be moved to a cloud processor


MobileCloud

Networking

Envisioned Mobile Cloud Architecture

© SAP 2007 /

Data Center 1

Data Center 2

Data Center 3

Decentralized Evolved Packet Core

P-GW 1

S-GW 1P-GW 2

S-GW 2

P-GW 3

S-GW 3

DistributedCloud

Flat Mobile Network

Consumerdevices

Mobile data services provided by geographically distributed data centers , administrated by the same and/or different cloud providers

Decentralized Mobile Carrier Network, provided as a cloud service (NaaS)

Heterogenou UEs, UEs implementing specific application logic that minimizes user’s intervention to receive the service


MobileCloud

Networking

Follow Me Cloud Concept“Service Mobility”

© SAP 2007 /

Data Center 1

Data Center 2

Data Center 3

Distributed EPC

P-GW 1

S-GW 1 P-GW 3

S-GW 3

DistributedCloud

Flat Mobile Network

Consumerdevices

Access to Mobile Cloud Service

User Mobility

P-GW 2

S-GW 2

Seamless Service Migration

Service continuity

Material thanks to NEC


MobileCloud

Networking

IaaS API

Infr

astr

uctu

re P

rovi

der

Dom

ain

CN CN

CNCN

Configuration Enforcement APIs

(e.g., GMPLS, OpenFlow, etc.)

Customer(e.g. Mobile Service Provider, Virtual

MN Operator)

Cloud Resource Manager(sorts out the right NaaS/PaaS configuration based o n customer request)

IaaS Service Level Request/Negotiation(e.g. to launch of new service/virtual network/platform, increase capacity, change QoS)

BBU BBU MME SGW

PGW

CE-APIs

FMC FMC

NaaS Configuration Ex. 1

(LTEaaS)

NaaS Configuration Ex. 2

(EPCaaS)

PaaS Configuration Ex. 3

(FMCaaS)

CloudProbes

NW Probes

Statistical Profiling Of Cloud and NW


MobileCloud

Networking

Research Challenges towards a Decentralized Mobile Carrier Cloud

• Infrastructure / Network Virtualization – Generic node/platform design for network/service cloud

• What network functionality is needed?• How are network functionality (native?) and virtual platform integrated?

– Service deployment/control API for 3rd parties (incl. SLAs)– Resource management of physical infrastructure/resources

• Slicing• Load balancing / concentration • Real-time migration mechanisms

– Energy saving• Decentralization of physical “cloud nodes”

– Self-management for decentralized cloud infrastructure– Self-organization/optimization for Service Placement & Migration (mobility-

aware)– Virtualization of mobile network functions (e.g. MME, S-GW, P-GW)– Distributed Mobility Management – New roaming paradigm


MobileCloud

Networking

PresentingMobileCloud Networking Project


MobileCloud

Networking

Objectives – to define / evaluate / design• A cloud-based mobile network architecture to bring mobile

communication and mobile cloud services to the mobile end-user.

• Business models that indicate commercial potential• A novel virtualisation layer, general monitoring system, and

general provisioning across the various domains namely Radio Access Network, Mobile Core Network, and Data Centre.

• A worked example mobile network (Radio Access + Mobile Core) based on 3GPP LTE/EPC. In particular, BBU-pooling, EPCaaS, and Distributed Mobility Management, will be proven.

• A platform for services and applications. In particular, Follow-Me Cloud, Cross-Domain QoE, Rating and Charging

• Test beds among partners to prove above concepts• Dissemination etc


MobileCloud

Networking

Overall MobileCloud Networking architecture


MobileCloud

Networking

Macro datacentres will evolve towards microdatacentres


MobileCloud

Networking

MobileCloud Networking vital statistics

• EC Framework 7 call 8 Integrating Project• 16.2m Euro budget with 10.8m funding from EC• 36 months from 1st November 2012• 18 partners


MobileCloud

Networking

Mobile cloud workpackages and their interactions


MobileCloud

Networking

Co-ordinatorTechnicalco-ordinator


MobileCloud

Networking

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There is an upcoming "MobileCloud Networking" workshop co-located

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June 9-13 in Budapest


MobileCloud

Networking

Follow the MobileCloud Networking project atwww.mobile-cloud-networking.eu

Thankyou for listening


MobileCloud

Networking

Spare slides


MobileCloud

Networking

© SAP 2007 /

Vision of Mobile Cloud- Unified Architecture for Mobile Cloud Infrastructure

End User Mobile & Cloud Operator

LTE

Wi-Fi

WiM

AX

Cloud Provider

Cloud Service Platform

Cloud

Controller

SVC Mgt

SLA Mgt

Billing

Image DB

Cloud Provider


Cloud

Controller

SVC Mgt

SLA Mgt

Billing

Image DB

SLA

Internet


Cloud

Controller

SVC Mgt

SLA Mgt

Billing

Image DB

Mobile Network Services

AAA

DM

SLA Mgt

BillingCRM

HA

CDN

ResourceLimited, Mobile Devices

Flat Mobile Network Architectures

Mobile cloud access acceleration

New business models

Mobile Cloud API for dynamic deployment and control of (network) services (e.g. PaaS, NaaS)

SLA-based E2E QoE

End-to-end “Service on-demand” Experience

Personalized rich cloud services infrastructure

Prosumers


MobileCloud

Networking

Mobile Carrier Cloud Acceleration• Cloud technology combined

with decentralized deploymenthas the potential to greatly reduce latency for data-rich and QoS sensitive mobile Cloud services

• Example cloud services:– Enterprise applications

(e.g. Thin Client)– Content delivery– Application, product and

service delivery

35

High-speed & cost-efficient

Mobile Carrier Cloud

Cloud Technology

Mobile Carrier

Network

Decen-tralization

mobile cloud talk for wwrf.pdf

Documents

new network services

network storage

new services

party services

telco services

services flexible scale

service naas

service iaas