cisco ultra services platformd2zmdbbm9feqrf.cloudfront.net/2016/usa/pdf/brkspm-2125.pdfcisco ultra...

Cisco Ultra Services PlatformVirtualized Packet Core

Aeneas Dodd-Noble, Vivek Agarwal

BRKSPM-2125

• Mobility Business and Operational Challenges

• Leverage NFV to port Telco to Cloud

• Re-architecting the Packet Core

• Automation and Simplification

• Slicing and Distributing the Network

• 4G Innovation is 5G Ready

Agenda

Mobility Business and Challenges

© 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public

Business ChallengeCompete with Hyper-cloud and other MNO

Cloud Providers have different business model:

More Agile – Lower costs

…and need to support multiple use cases without overbuilding the network

You need:

Increase flexibility and agility (services and schedules)

Automate and simplify Service creation, testing, and activation

Telco-reliability with cloud efficiencies New architecture that is also 5G ready

1

BRKSPM-2125 5


United States Mobile Device Growth by TypeBy 2020, M2M Connections Attain Largest Share Reaching 54%

Source: Cisco VNI Global Mobile Data Traffic Forecast, 2015–2020

Bil

lio

ns

of

De

vic

es

* Figures (n) refer to 2015, 2020 device share

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2015 2016 2017 2018 2019 2020

Smartphones (38%,26%) Phablets (14%,12%)

M2M (17%,54%) Nonsmartphones (19%,0.1%)

Tablets (4%,4%) PCs (6%,3%)

Other Portable Devices (1.5%,0.4%)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

2015 2016 2017 2018 2019 2020

Smartphones (inc. Phablets) (66%,71%)

M2M (3%,11%)

Nonsmartphones (1%,0.004%)

Tablets (15%,12%)

PCs (15%,6%)

Other Portable Devices (0.05%,0.01%)

Ex

ab

yte

s p

er

Mo

nth

42% CAGR

2015–2020

BRKSPM-2125 6


Business ChallengeSupport multiple requirements without over-building

ConsumerHigh performance, high scale, high reliability,

and affordable

MVNORequire centralized control plane integration and

distributed user plane connectivity – and cost

effective wholesale model

EnterpriseCustomized, secured, private network services

with activation and changes on their schedule

IOTConditions vary widely. Require high controller

activity, low user plane data consumption.

Other IoT use cases are quite the opposite.

The answer is an SDN distributed architecture and automated virtualized

services. Reduce costs, improve flexibility, while ensuring ultra-high reliability

2

BRKSPM-2125 7

Leverage NFV to port Telco to Cloud


OSS / BSS

VIM

NFVI

Compute Storage Network

Virtualization

VirtualStorage

VirtualNetwork

VNF

VNF-EM

Ve-Vnfm-em

Ve-Vnfm-vnf

Os-Ma-nfvo

Nf-Vi

Or-Vnfm

VirtualCompute

Vn-Nf

NFV-O

NSCatalog

VNFCatalog

NFVInstances

NFVIResources

Descriptors

NSD VNFFGDVLDVNFD PNFD

Se-Ma

Vi-Vnfm

Or-ViVNFM

ETSI NFV Compliance

ETSI GS NFV

002 V1.1.1 (2013-10)

NFV Reference

Architectural Framework

Cisco® Ultra Services Platform

UltraServices

Framework

UltraPolicy

Platform

UltraGateway

Platform

USP Element Manager

VIM

UCS / Nexus

Cisco® NFVI

Cisco®

Elastic Service Controller

(ESC)

Cisco®

Network Services Orchestrator

(NSO)

BRKSPM-2125 9


Ultra Gateway PlatformControl Function and Session Function VM Description

HW Blade Server

Blade Blade Blade Blade Blade Blade

HyperVisor HyperVisor HyperVisor HyperVisor HyperVisor HyperVisor

VM VM

VM VM VM VM

StarOS StarOS

StarOS StarOS StarOS StarOS

CF CF SF SF SF SF

Standby tasks

Control FunctionPlatform

management tasks

Session FunctionDemux Tasks

IP address

Management

Session Function x2 minimum

Session Tasks

State replication

Session Function

Redundant VM

Network FunctionClassification and

forwarding

Blade Blade

HyperVisor HyperVisor

VM VM

StarOS StarOS

NF NF

BRKSPM-2125 10


• VPC is the main component

• VPC is validated on multiple HW and VIM combinations

• Control/User plane separation

• Service Function Chaining

• VNF Element Manager

• Life Cycle Web UI

• Cisco PCRF included

Ultra Services Platform Components

VIM + HW validation

We

b U

I

CP

S

PC

RF

Sta

rOS

NF

Gi L

AN

VNF-EM

SLA mgr VNFM PrxySrv conf

Sta

rOS

NF

Sta

rOS

NF

User Plane

VM VM

VM VM VM VM

StarOS StarOS

StarOS StarOS StarOS StarOS

CF CF SF SF SF SF

BRKSPM-2125 11


Driving VNF Versatility

• Simplifying a Complex VNF

- Single VNF with multiple VNF Components

- Creation of associations of intra-VNF components (Element Groups)

- Internalize complex lifecycle controls (Dedicated Lifecycle Management process within the VNF)

• Simplifying the Onboarding Process

- GUI-based VNF composition process

- Automated generation of a single VNF Descriptor (VNFD)

• Abstracting Life Cycle Management Complexity

- Pluggable framework for a variety of ETSI MANO VNFMs

- Decomposition of tasks by leveraging well known ETSI MANO iterative workflows (VNF-EM Led VNF Expansion)

- Varying levels of life cycle complexity depending on VNFM level of sophistication (Ve-vnfm-em Ref Point)

• Custom Automation

- Automation code to onboard and instantiate the VNF in a specific environment

BRKSPM-2125 12


ETSI MANO Integration

• Single ETSI MANO Virtual Network Function (VNF) with multiple VNF Components (VNFCs) and an Element Manager (VNF-EM)

• Three VNF Components (VNFCs) with common management and orchestration:

• Gateway Functions

• Policy Functions

• Service Functions

• Each VNFC will have different types of VMs with descriptors describing each (VDUs)

OSS/BSS

VIM

NFV-I

VNF

VNF-EM

Compute Storage Network

Virtualization

Virtual

Storage

Virtual

Network

VNF

VNF-EM

VNF

VNF-EM

Ve-Vnfm-em

Ve-Vnfm-vnf

Os-Ma-nfvo

Nf-Vi

Or-Vnfm

Virtual

Compute

Vn-Nf Vn-Nf

NFV-O

NSCatalog

VNFCatalog

NFVInstances

NFVIResources

Descriptors

NSD VNFFGDVLDVNFD PNFD

Se-Ma

Vi-Vnfm Or-Vi

VNFMUltra

ServiceFramework

UltraPolicy

Platform

UltraGatewayPlatform

Cisco Ultra Service Platform

USP Element Manager

BRKSPM-2125 13

Re-architecting the Packet Core


Mobility and IP anchor

Mobility

Control

AAAPolicy Charging

MME

SAEGW

HSS

Radius BillingVoLTESPRBack office and

3rd party systems

3GPP policy and

control systems

3GPP Signaling

plane

3GPP Bearer

plane

3GPP Layers

BRKSPM-2125 15


AAAPolicy Charging

SAE-GW

ControlMME

User Plane

HSS

Ent AAA BillingVoLTESPR

Simple SDN VPC use case with no

impact on back office and use cases

Abstract and distribute the User Plane

BRKSPM-2125 16


AAAPolicy Charging

SAE-GW

ControlMME

User Plane

HSS

PCEF-U

Ent AAA BillingVoLTESPR

Extend the bearer plane capabilities

to support PCEF capabilities

and in-line services

Add IP services to User Plane

IP

Services

BRKSPM-2125 17


Cisco Ultra Services Platform

Ultra Services Function

• Pluggable framework for in-

line, subscriber-aware,

enhanced services

• Integrated as separately

upgradeable software

packages

• Native life-cycle management

and automated configuration

Ultra Policy Platform

• Carrier-grade policy, charging,

and subscriber data

management solution

• Rapid service creation

environment

• Monetization opportunities for

3G, 4G, 5G and IMS service architectures

Ultra Gateway Platform

• Cloud ready VNF, fully

featured packet core

functionality

• Multiple EPC/PC elements

• CUPS - Separated control and

user-planes

• Remotely deployable user

plane for ultimate elasticity and

scalability

VNF Element Manager, VNFM Proxy, Service Manager, Monitoring

BRKSPM-2125 18


Ultra Services Platform

Management Plane

VM VM

Control Plane

VM VM

Service

Component

Service

Component

Service

Component

User Plane

VM VM

Central Data Center

Service

Component

Service

Component

Service

Component

User Plane

VM VM

Service

Component

Service

Component

Service

Component

User Plane

VM VM

Remote Data Center Remote Data Center

Ultra Services PlatformCo-Located Network Architecture

Ultra Services PlatformRemote Network Architecture

BRKSPM-2125 19


Management Plane

Three Tier Gateway Hierarchy

Control Plane

BRKSPM-2125 20

User and Control Plane Separation Implemention


Ultra Services PlatformUltra Services Framework – Collocated CUPS + Gi-LAN

HSS/SPR

PCRF

AAA

Server

SAE-GWu

MME

LTE

eNB

Untrusted

Non-3GPP

ePDG

S6a

S1-MME

S1-U

S11Gx

Sp

S6b

Swm

S2b

SGi

SAE-GWc

Openflow+

DPI NAT FW

VNFM

BRKSPM-2125 22

Ve-vnfm-vnf / VNF proprietary

VNF EM


Ultra Services PlatformUltra Services Framework – Remote CUPS + Gi-LAN

HSS/SPR

PCRFAAA

Server

SAE-GWu

MME

LTE

eNB

Untrusted

Non-3GPP

S6a

S1-MME

S1-U

S11Gx

Sp

S6b Swm

S2bu

SGi

SAE-GWc

PGWcOpenflow+

GTP-C (pending CT4)

DPI NAT FW

ePDGcS2bc

Openflow+

GTP-C (Pending CT4)

DPI NAT FWSGi

PGWuePDGu

ICAP

Server

Swx

VNFM

BRKSPM-2125 23

Ve-vnfm-vnf / VNF proprietary

S2b-u S5

HTTP

VNF EM

Demonstrate USP-CUPSUltra Services Platform Control User Plane Separation


Session Establishment Flow

MME

S11Control Plane

GTP Demux

SessionManager

IP Address Manager

AAA Manager

Policy and Charging

AAA PCRF OCS

Diameter (Gx, Gy, S6b)

eNB

S1-C

User Plane

S1-U

OpenFlow

SGiUE

Session Request

Profile Request

Policy RequestIP Addr RequestQuota

RequestProgram

UPF

✔

SessionCreated

Ultra Packet Core

• Maintains same connections and

procedures to the RAN and policy

• Control plane performs all session

management and mobility

procedure

• Once all policy and charging rules

have been determined is the user

plane selected and programmed

• OAM, KPI, alerts are handled

through control plane simplifying

operations

BRKSPM-2125 25


• Ultra Packet Processor 1 is configured as active and UPP2 as standby

• UPP1 advertises GTP-U IP address and pool subnet

Ultra User Plane Redundancy

eNodeB

Gz

SGi

PCRF

Gx

OFCS

Content

MME

PSU

2

770 W A C

P P

770 W A C

P P

! ! ! ! !M 12

SS

PC

Ie 2

PC

Ie 1

ACT LINK AC T LINK

PO RT

1

PO RT

2

UCS

C 240 M 3

!

PSU

2

770 W A C

P P

770 W A C

P P

! ! ! ! !M 12

SS

PC

Ie 2

PC

Ie 1

ACT LINK AC T LINK

PO RT

1

PO RT

2

SGi

UCS

C 240 M 3

! SAEGW

Control Plane

S1-c

S1-u

S11

S1-u

S1-u

SBI

SBI

Ultra Packet Processor 1

Active

Ultra Packet Processor 2

Standby

Advertise

pool route

Advertise

S1-u GTP IP

IP

HSS

S6a

• Health check detects UPP1 failure

• Controller configures UPP2 and BGP advertises the same GTP-U and IP pool addresses

• Flows are programmed into UPP2 and traffic restored with no changes to eNB or UE IP addresses

BRKSPM-2125 26

Automation and Simplification


USP Element Manager

Service Configuration Manager

USP Management & Automation Framework

• VNF deployment two ways:

• Using a descriptor on-boarded into an ETSI NFV-O

• Built-in deployment automation framework

• VNF service level configuration handled internally by the VNF-EM’s built-in configuration manager

• USP management components are deployed as 1:1 redundant pairs

• VNF-EM handles both management and service monitoring

Control Function

Ultra Policy

Platform

Management Monitoring

Ultra

Gateway

Platform

Ultra

Services

Framework

OSS / BSS

NFV-O

VNFM

ETSIMANO

VN

FM

Pro

xy

USP Deployment Automation Framework

Automated

deploy

framework with

the ability to

emulate an

NFV-O and

VNFM for

deployments

without an

ETSI MANO

environment

BRKSPM-2125 28


VNFM Proxy Details

USP Element Manager

Service Configuration Manager

• Component of the USP Element Manager (VNF-EM)

• Abstraction function to standardize the connection between VNF and VNFM

• Extensible platform to support multi-vendor VNFMs

• Plug-ins for different VNFM vendors

• ETSI MANO (Ve-vnfm-em) reference interface implementation for VNF lifecycle management:

• Provisioning of VMs as defined in catalogue

• Associate VMs to internal network

• Start required services and monitoring tasks

• Handling of Scale in/out events

• KPI notifications for SLA enforcement

Control Function

Ultra Policy

Platform

Management Monitoring

Ultra Gateway

Platform

Ultra

Services

Framework

OSS / BSS

NFV-O

VNFM

ETSIMANO

VN

FM

Pro

xy

Lifecycle

Plug-in Framework

Vendor 1

Vendor 4

Vendor 2

Vendor 3

BRKSPM-2125 29


Ultra Services Platform Lifecycle Automation

VIM

VNFM

Nova Neutron

NFV-OVNFD Se-ma

1. Instantiate Element ManagerVNF Element Manager

Yang DB

Life

Cycle

Ma

ng

er

SLA Manager

Service

Config Manager

We

b U

I

Control Function

VNF Element Manager

Yang DB

Life

Cycle

Ma

ng

er

SLA Manager

Service

Config Manager

We

b U

I

Control Function

2. Build out signaling and

control plane

API

Standby

Ve-vnfm-em

Ultra Services

Platform (VNF)

3. Build out in-line services

framework

Network

Function

Network

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Network

Function

Network

Function

Application

Function

In-Line

Service

Application

Function

In-Line

Service

Application

Function

In-Line

Service

In-Line

Service

Application

Function

In-Line

Service

Application

Function

BRKSPM-2125 30


VNF Element Manager

Yang DB

Life

Cycle

Ma

ng

er

Service

Config Manager

We

b U

I

SLA Manager

VNF Element Manager

Yang DB

Life

Cycle

Ma

ng

er

SLA Manager

Service

Config Manager

We

b U

I

API

Standby

• Collection of stats from VNF

Components

- Traffic stats

- Transaction stats

- Subscriber stats

- Session stats

• Collection of stats from VIM

/ NFVI

- Guest VMs

- Virtual compute usage

- Virtual memory usage

- Virtual storage usage

- Virtual networking stats

Ve-vnfm-em

Network

Function

Network

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Service

Function

Network

Function

Network

Function

Application

Function

In-Line

Service

Application

Function

In-Line

Service

Application

Function

In-Line

Service

In-Line

Service

Application

Function

In-Line

Service

Application

Function

VNFM

NFV-O

VIM

Nova Neutron

• Collection of stats from 3rd

party in-line services

- Based on SDK definition

- Traffic stats

- Transaction stats

- Subscriber stats

- Session stats

Ultra Services Platform SLA Management

BRKSPM-2125 31


Providing Dynamic In-Line Service Creation

Service Function Chains /

Network Forwarding Paths

VNF VNF

VNF Component (SAE-GW)

Network

Function

Network

Function

Network

Function

Control

Function

Control

Function

Session

Function

Session

Function

Session

Function

Session

Function

Session

Function

VNF Component (Gi-LAN)

Element Group

VNF-EM

SLA Manager Service Config Manager Life Cycle Manager

Application

Function

Application

Function

Application

Function

Application

Function

Application

Function

Chain 4

Path 4

Path 5

Chain 1 Path 1

Chain 2 Path 2

Chain 3 Path 3

BRKSPM-2125 32


Ultra Service Platform – Dashboard View• Aggregated view of the

composite statistics across

all deployed VNFs

• High level health states

• Modular Widgets

• Platform KPIs

• VNF KPIs

• In-Line Service KPIs

BRKSPM-2125 33

Slicing and Distributed network


Cisco Ultra Network Slicing

UltraLegacy

RAT

5G RATs

eLTE

IoT HetNet

Fixed

LTE

Core

Legacy

Core

BRAS

AN

MaaS for Enterprise

MaaS for

Company

Internet

IoT LPWA

IoT

Connected Car

Information Centric

Networking

IMS

BRKSPM-2125 35


Node Selection and Load Balancing

MME

SDN

SAE-GW

Policy

SDN

SAE-GW

Policy

NSLB

• Slice traffic for roaming, enterprise MPN, IOT, MVNO, and

subscriber type (e.g. prepaid/postpaid)

• Simplify operations by automating scale-out and

maintenance of existing EPCs

• Assign traffic to virtual and physical, DevOps and CI/CD

• Aligns with the evolution towards 5G

BRKSPM-2125 36


NSLB: Node Selection / Load Balancer assigns control plane slice based on policy / scale / SLA

Mobility controller can scale by adding VM’s

• Horizontal scale based on session count

Mobility controller can program multiple forwarders

• Connect multiple systems with different capabilities

• User plane server with 10G or 40G NIC

• Scale throughput independently of control plane

Scaling Dimensions

Policy Charging Profile

SAEGW Control planeNSLB

Control Plane

ForwarderControl Plane

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder

Forwarder Forwarder ForwarderUser plane User plane User plane

BRKSPM-2125 37

Evolution to 5G


Centralized

User Plane

Centralized

User Plane

Mobility Session

Controller

Mobility Session

Controller

5G Architecture Proposal

Note: Roaming and Interworking not considered

5G and non 3GPP RAN

Mm

Wave

WLAN

FWA LPWA

5G UE

5G

CPE

WLAN

etc

Centralized

User Plane

Mobility Session

Controller

Policy

Function

Authentication/

Authorization

SPR

LI

NSSF

Distributed

User Plane

IP Services/

Content

IP Services/

Content

3rd Party

Applications

Charging

and billing

Interworking

Function

Optional / Slice specific Components

BRKSPM-2125 39

Distributed vs Central selection based on service type


5G Components

Virtualization, NFV and SDN

Simplicity

Automation

Scaling and distribution

Connections and throughput

Independent dimensioning

Access Agnostic

Licensed and unlicensed

Small Cell

Wi-Fi

Early 5G and FWA

API Exposure

Extract data from the network

Create vertical value

BRKSPM-2125 40


US Ciscolive 2016 @ Las Vegas- SP Mobility SessionsSession ID Time Session Title Speakers

Sunday (10 July 2016)

LTRSPM-2022 01:00 – 05:00 PM Virtual Packet Core Orchestration: Spring to Life Gateways and Services Julie Ann Connary, Amir Ahmadi

Monday (11 July 2016)

BRKSPM-2125 08:00 - 10:00 AM Virtualizing Cisco Mobile Packet Core Aeneas Dodd-Noble, Vivek Agarwal

BRKSPM-2071 01:00 - 03:00 PM 5G Technology Updates Paul Polakos, Prakash Suthar

BRKSPM-2029 04:00 – 05:30 PM Optimizing NFV Performance Ali Bokhari

BRKSPM-2022 04:00 – 05:30 PM Using Telco NFV to Deploy Mobility Networks Dave Clough

BRKSPM-2130 04:00 – 05:30 PM Mobile Packet Core (ASR5500) Troubleshooting Guilherme Correia, Rama Ramachandran

Tuesday (12 July 2016)

BRKSPM-2128 08:00 - 10:00 AM Radio Access Network Virtualization Mark Grayson, Oliver Bull

BRKSPM-2026 01:30 - 03:00 PM AT&T Case study for Managing Customer Experience in Mobile Networks Jeronimo Diez De Sollano, Anwin Kallumpurath

BRKSPM-2065 04:00 – 05:30 PM Mobile and Enterprise Security for the Age of Ubiquitous Encryption Humberto La Roche, Christopher O’Rourke

BRKSPM-2127 04:00 – 05:30 PM Design & Deploying Trusted and Un-Trusted VoWiFi Venkata Reddy Kasu, Arun Gunasekaran

Wednesday (13 July 2016)

BRKSPM-2129 08:00 - 10:00 AM Deploying 4G/LTE branch routers for IOT solutions Vivek Datar, David Mindel

PLNSPM-2021 01:30 – 03:00 PM Network Infrastructure and Operation Transformation Anand Malani, Scott Clark, Vilma Stoss, Rich Plane, Mark Ghattas (Moderator)

BRKSPM-2028 04:00 – 05:30 PM Design and Deployment of Overlay Services on LTE Network Tom Redman

BRKSPM-2122 04:00 – 05:30 PM Virtualizing Mobile Service Providers Transport Network Ravi Narahari, Abbas Abidi

Thursday (14 July 2016)

BRKSPM-2121 08:00 - 10:00 AM Cisco SON and Advanced Analytics Oliver Bull, Ashish Bansal

BRKSPM-2126 04:00 – 05:30 PM Analytics for Large Connected Venues: App Integration with Wi-Fi Infrastructure Matt Swartz, Joshua Suhr

PSOSPM-2505 01:00 – 02:00 PM Cisco Hosted Mobility (Mobility as a Service) Mike Shomaker

WISP Lab (11-14 July)

LABSPM-2011 10:00 - 6:00 PM Cisco Virtualized Packet Core Installation on VMware Amir Ahmadi, William Pedraza

LABSPM-2012 10:00 - 6:00 PM Cisco Virtualized Packet Core Installation on Openstack Christopher Ove, Guilherme Correia

BRKSPM-2125 41


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43BRKSPM-2125

Please join us for the Service Provider Innovation Talk featuring:

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Thursday, July 14th, 2016

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