Stanford Clean Slate Internet Design Program

Stanford Clean Slate Internet Design Program

Reinventing the Internet

Guru Parulkar, Executive Director, Clean Slate Internet Design

Funded by Cisco, Deutsche Telekom, DoCoMo, Ericsson, LightSpeed, MDV, NEC, NSF, Xilinx

Stanford Clean Slate Program •

What is Common Among These Companies?

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BIG CHANGES ON THE HORIZON

3

Stanford Clean Slate Program • 4

Revolution in Mobile Computing Millions Billions

Entirely new uses of mobile computing

Democratization of computing

Power-limitation of handheld computation will move to the cloud

Need to back up and refresh our lost data data will move to the cloud


Internet with hugeComputing & Storage Infrastructure

Internet

C

S SSS

SSS

SSS

S

SC

S

S

Computing and Storage Moving Into the Cloud


Cyber-Physical World

New Machines

New Environments New Applications

New Scale Billion to trillion devices!


Network Centric Critical Infrastructures

Transportation

TelecommunicationsBanking & Finance

Essential Utilities

Internet Architectureis NOT robust enough

to support these


Persistent Problems: Making Internet Infrastructure Worse

“… in the thirty-odd years since its invention, new uses and abuses, …, are pushing the Internet into

realms that its original design neither anticipated nor easily accommodates.”

“Freezing forevermore the current architecture would be bad enough, but in fact the situation is

deteriorating.”

Overcoming Barriers to Disruptive Innovation in Networking, NSF Workshop Report, 05.


BIG CHANGES REPRESENT BIG OPPORTUNITIES

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Big Changes Represent Big Opportunities

Opportunities for

Research groups to shape future Internet

Startups to create new product categories

Incumbents to get into new markets and grow

Newcomers to leapfrog

Not the time to sit on the sidelines


Stanford Clean Slate Program

To reinvent Internet infrastructure and services

by creating key platforms for innovations and deploying and making them available to

research and user communities

with emphasis on mobile computing


Stanford Team

Networking

Radio

Economics

Languages

OS

SecurityHCI

Applications

Architecture

Education

D. Boneh

M. LamD. Mazieres

M. RosenblumP. Levis

L. GuibasS. Klemmer

A. Paulraj

N. McKeown

R. Johari

J. Mitchell

K. Kozyrakis

F. Tobagi

P. Kim

Distributed Systems

G. Parulkar

A. Goldsmith

B. Girod

V. Koltun

B. Prabhakar L. Kazovsky

J. Ousterhout


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ArchitecturalBlueprint of Future Internet?

Backbone(Lightflow)

Prog OpenMobile Internet

(POMI) 2020??

Net forVW

Security(Ethane)

Wireless(Spectrum)

CongestionControl(RCP)

Example Projects

Energy AwareNetworking


Revolution in Mobile Computing Millions Billions

Entirely new uses of mobile computing

Democratization of computing

Power-limitation of handheld computation will move to the cloud

Need to back up and refresh our lost data data will move to the cloud


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TodayToday

Where we will go otherwise

Where we will go otherwise

Vision

Barriers1. Big-brother portals will own our data2. We will be locked-in to applications3. Wireless capacity will stay closed4. Network will stay ossified

Big-brother portals luring us to their repository We have to provide an alternative Healthcare, Financial: May never take off

Big-brother portals luring us to their repository We have to provide an alternative Healthcare, Financial: May never take off

When they’ve got our data, they’ve got us! When they’ve got our data, they’ve got us! Surrounded by capacity we can’t use Inefficient: Costs more, poorer quality We need an alternative

Surrounded by capacity we can’t use Inefficient: Costs more, poorer quality We need an alternative

Problem with the network. 3G: Cellular networks IP IP: Bad for mobility, security, management Need a network that continually evolves

Problem with the network. 3G: Cellular networks IP IP: Bad for mobility, security, management Need a network that continually evolves


Stanford Clean Slate Program

To reinvent Internet infrastructure and services

by creating key platforms for innovations and deploying and making them available to

research and user communities

with emphasis on mobile computing


The Big Picture

Handheld

Energy efficient Secure OS

Secure mobile browser

UI

HW Platform

ApplicationsPocketSchool, Virtual Worlds, Augmented Reality


Data SubstratePRPL Virtual Data System


WEB/Computing SubstrateNetwork of VMs, Mobile VMs


Network SubstrateOpenFlow


Radio technologyMulti-Gb/s, 99% coverage


Econom

icsE

conomics


•Many cellular networks visible (5-7 common), many wifi networks visible (10-15 common).

•But not practically available to me – closed infrastructures.

•Seamless mobility impossible

Why can’t I use of all the infrastructure around me?

Mobile Network Infrastructure Today

cellular

WiFi


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Network Substrate Goals

• Access to all infrastructure

•Continued connectivity and seamless mobility as I move

•Maximize user choice•Radio•Handoff

• Allow innovation•Handoff mechanisms•AAA, billing, …


OpenFlow Switch specification

Controller

OpenFlow Switch

FlowTableFlowTable

SecureChannelSecure

Channel

PC

OpenFlow

Protocol

SSL

hw

sw

OpenFlow Basics

• Add/delete flow entries• Encapsulated packets• Controller discovery

API

Net Services


Example Network Services

Static “VLANs”

New routing protocol: unicast, multicast, multipath, …

Network access control

Home network manager

Mobility manager

Energy manager

Packet processor (in controller)

IPvX

Network measurement and visualization

These & other services => a very different net substrate


SIGCOMM 2008 Demo


Virtualized OpenFlow Substrate

OpenFlow Switch

OpenFlow Switch

OpenFlow Switch

OpenFlowProtocol

Hypervisor & Policy Control

Nick’sController

API

Net ServicesDave’sController

OpenFlowProtocol

API

Net Services Guido’sController

API

Net Services


OpenFlow and Mobility

Lots of interesting questions

• Management of flows• Control of switches• Access control of users and devices• Tracking user location and motion


• Management of flows• Control of switches• Access control of users and devices• Tracking user location and motion

• Lots of radio networks:WiFi, WiMax, LTE, …• Dumb access points • User choice

• Lots of radio networks:WiFi, WiMax, LTE, …• Dumb access points • User choice


Deployment on Stanford campus

• 100 of WiFi APs in 4 buildings & outdoor locations

• A few Mobile WiMAX femto-cellbase stations

• Deployed in this autumn• All are OpenFlow enabled

& connected by OpenFlow switches

• Plan to have a project class in this autumn/winter quarter

WiFi AP (two radios/box)

Mobile WiMAX AP

We are ready for innovation in our network!


Broader Impact: OpenFlow Network Substrate

Eight switch vendors enabling this capability Cisco, HP, NEC, Juniper, and others

We are starting to demonstrate the key capabilities ACM SIGCOMM08

GENI Engineering Conference

Supercomputing…

We are deploying on our campus: two buildings at Stanford (HP/Cisco)

on other campuses in US and Japan – with NSF support

in national nets: US (Internet2, NLR), Japan (JGN2plus), Europe, …

And enable researchers and network operators to innovate on top

Hope OpenFlow takes off -- on a path of no return


The Big Picture

Handheld



UI

HW Platform











Econom

icsE

conomics


Do you know where your data are?

Samba

NFS, AFS, coda

CVS, SVN

Our data moving into the cloud “owned” by applications and users losing control difficult to share among applications leakage a serious problems

Trends to accelerate unless checked…


PRPL: PRivate-PubLic Data Index

Old & NewData Apps/Services

A unified view of data Separate data ownership, storage, applications Secure, fine-grain sharing Device-independence: caching Interactive data navigation with semantic-web queries

Old & NewData Repositories

data


The Big Picture

Handheld



UI

HW Platform











Econom

icsE

conomics


SQL

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SS

SS

SS

Existing WEB/Computing Substrate

Incremental progress: document sharing to default for all web apps Not designed for all its current and future applications

Scale in terms of type of content, users, data repositories, … Modularity, reusability, interactivity


Clean Slate WEB Framework: Fiz

Enable developer to create applications in days/weeks with

reusable modular components

high interactivity

scalability to millions of users on diverse devices

dynamic and rich content

shared computing & storage in the infrastructure


Fiz Architecture

DataManager

DataManager

DataManager

SQL Database

Remote Feed

EnterpriseApplication

TreeTabs

FormTable

Interactor Interactor

URLs

Front EndBack End

Sections

DataRequests


Execution Environment: Centralized to Distributed

High interactivity, low latency, mobile devices, and multiple data repositories require distributed implementation

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SQL

SS

SS

SSS

S

S

S

S

S


• How to decompose a web app?• What to cache and when to cache?• What type of data consistency? • How to interface to PRPL?


• How to decompose a web app?• What to cache and when to cache?• What type of data consistency? • How to interface to PRPL?


Path to Broader Impact: Fiz

Initial version already taking shape Based on Java servlets + Tomcat

Make open-source releases Starting in summer ’09?

Create a Fiz community Web site Using Fiz itself

Encourage creation of additional components

Biggest challenge: keeping it simple

Iterate: it may take several tries to get this right Major revisions?

Start again from scratch?


Bringing Substrates Together

Vir Net A

Vir Net B

S App AS

S

S

C

S App BS

S

C

S


Content

SSS

SSS

SSS

Client

UI

OS


SSS

SSS

SSS

Content

Client

UI

OS

Computation SubstrateNetwork of VMs, Mobile VMs







SSS

SSS

SSSUI

OS

Content

PrivateData

PrivateData

PrivateDataClient









Energy aware OS


Summary

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Big changes on the horizon Opportunity to rethink the Internet infrastructure

Stanford’s Clean Slate Program Reinvent the Internet by creating platforms for innovations

WEB/Computing substrate: Fiz and network of VMs

Enable scalable, highly interactive, rich media applications

Data substrate: PRPL Platform

Separate data from applications in cloud: give control of data to owners

Allow any application to use any data under the control of its owner

Networking substrate: OpenFlow Platform

Enable users to create their own network services

Network services: access control, routing, mobility management, …

Handheld software: OS, browser, UI platforms

Stanford Clean Slate Internet Design Program

Documents

Transcript of Stanford Clean Slate Internet Design Program