Nimbus: Flexible Personal Cloud Storage

HiPEAC Mini Workshop, Cambridge

Malte Schwarzkopf

January 14th/15th 2010

Introduction

ubiquitous

computing

mobile services

the grid

the cloud

Onwards into the Cloud

(Image source: Intel P4 marketing material)

So what about storage?

?(Image source: Apple xSan marketing material, http://images.apple.com/au/xsan/deployments/images/storage_icon20080208.jpg)

But it’s there already?

… and more.

Not quite.

Classic “cloud storage” Wider sense

The Taxonomy of Storage.

Where does the cloud fit in with this?

?

It doesn’t, really.

Rackspace SkyDrive

Intra-service variance Inter-service variance

No, really.

Introducing: Nimbus

“a cloud, aura, atmosphere, etc., surrounding a person or thing”

The Nimbus Architecture

The Nimbus Hourglass.

Web UI

Nimbus

File System Application

Mobile Device

Online Service

The Semantics of Nimbus.

put(chunkID, data)

get(chunkID) data

Performance, Partition Tolerance and Privacy.

Striping

Encoding

Encryption /

Deniability

Growing Nimbus.

(Image source: http://en.wikipedia.org/wiki/File:Wagga-Cumulonimbus.jpg)

Discussion.

Exceptionally clearly developed single-cell Cumulonimbus incus

(Image source: http://en.wikipedia.org/wiki/File:Cumulonimbus_NOAA_gov.jpg)