Live Mesh and Live Framework - orand

Live Mesh and Live Framework

Oran Dennison

@
orand

orand.blogspot.com

odennison@gmail.com

the consumer experience

the developer experience

future experiences

What is the mesh?

Live Mesh

Live Framework

Wild Speculation

Live Mesh on the Mac

Live Framework


the developer experience

•
What’s new

•
The platform

•
The programming model

Live Framework as a Platform

•
User
-
centric data & services

–
Over 460M users, 30B relationships

•
Simple standards
-
based web architecture

•
Sync, communications, and P2P

•
Identity,
authN
,
authZ

•
App management

•
Analytics





User
-
centric data

•
Users own their data

–
Can grant access to:

•
Other users

–
Roles: Full, Writer, Reader

•
Devices

•
Apps

–
Can see who has access to what

–
Can revoke access

•
Apps & devices access data
on behalf of
users

User
-
centric services

•
Contacts

•
Profiles

•
Calendar

•
Mail

•
Photos

•
Groups

•
Favorites

•
Geospatial

•
And much more…

Standards
-
based architecture

•
HTTP

–
REST

•
Atom, RSS, JSON, POX

•
Atom Publishing Protocol (
AtomPub
)

•
FeedSync

Verbs

•
Standard HTTP methods

–
POST


Create a new resource entity

–
PUT


Update an existing resource entity

–
GET


Read a resource entity/collection

–
DELETE


Delete a resource entity

–
OPTIONS


Discover the capabilities

–
HEAD


{GET
–

entity body}

•
Consistent across the entire Resource Model

•
AtomPub

for CRUD and
FeedSync

for sync

•
URI
-
LINQ mappings for queries



Uses HTTP 1.1 semantics for…

•
Caching

•
Change notification

•
Incremental state transfer

REST In The Mesh

Resources, collections and links

resource

collection

resource

Uri

EntityTag

SubscriptionUri

…

Uri

LastUpdateTime

…

resource

link

Uri

Title

RelationshipType

…

FeedSync

•
Synchronization via RSS and Atom feeds

•
Bi
-
directional sync (multi
-
master)

•
Preserves conflicting data

•
Creative Commons

•
Microsoft Open Specification Promise

<
rss

version="2.0">

<channel>

<title>To Do List</title>

<description>A list of items to do</description>

<link> http://example.com/partial.xml </link>

<item>

<title>Buy groceries</title>

<description>Get milk, ... </description>

<
sx:sync

id="item_1_myapp_2005
-
05
-
21T11:43:33Z" updates="3">

<
sx:history

sequence="1" when="2005
-
05
-
21T09:43:33Z" by="a9"/>

<
sx:conflicts

...>


<item>


...


</item>

</
sx:conflicts
>

</
sx:sync
>

</item>

</channel>

</
rss
>

FeedSync

example

It’s feeds all the way down!

News

Contacts

Folders and files

Custom app data

Apps

Devices

Sharing

User presence

Change notifications


Live Framework Resource Model

Devices

Media
Resources

Data Entry

Members

Mappings

Data Feeds

News

Subscription

Applications

News

Notification
Queue

Mesh
Objects

Scripts

Profiles

Mesh

Contacts

Live Operating
Environment

Data Entry

Live Operating Environment

•
Live Framework’s service composition engine

•
Takes care of the hard problems…

–
Offline and sync

–
Communication

–
Device management, user/device presence, notifications

•
Exists in cloud and on all devices

–
All the incarnations look and feel the same

•
Provides a unified and consistent programming model


“I consider lack of data sync in Gears one of my greatest
personal failures. I was not able to convince Google to
take on the data sync problem. So I moved on.”


“Live
Framework imposes a data schema (Atom) on you,
but for that price of admission you get free automatic data
sync between devices and the cloud, as well as cloud
storage and associated services such as authentication
.”


Sync is a big deal.

Danny Thorpe
–

founding member of Google Gears, now at Microsoft working on Live Framework tools

Live Operating Environment


WL
Services



WL
Services



WL
Services




Web Apps

Device

Cloud

Always Online

Live Operating
Environment

(https://user.windows.net)



WL
Services



WL
Services



WL
Services



Device

Cloud

Occasionally Connected

P2P to

another device

Live Operating
Environment

(https://user.windows.net)

Mesh Resource

Partitioning

https://accounts.mesh.com/Identities/FKEXBSLJR3VUXEXMTPSSOVO6GM/DeviceClaims/CSOW2TEBYUSE5BD3I5QOS724UU

each resource lives in a ‘home’ datacenter

each resource has a stable canonical
URI based on its resource identifier

each resource has a location URI that routes
requests directly to its ‘home’ datacenter

https://accounts.clus9.bay.mesh.com/Identities/FKEXBSLJR3VUXEXMTPSSOVO6GM/DeviceClaims/CSOW2TEBYUSE5BD3I5QOS724UU

requests to the ‘wrong’ datacenter get redirected,
and clients cache the redirect URI for future use

mapping a resource identifier to its ‘home’
datacenter requires a lookup in a replicated database

you are here

Authentication & Authorization

Mesh Apps Overview

Mesh
-
Enabled
Web Application

•
Pre
-
authenticated

•
Pre
-
authorized to only
access data in its own
Mesh Object

•
Pre
-
authorized to only
access user data that it
is granted access to

Web Apps

•
App runs with specific
permissions
specifically granted by
the user (Delegated
Authorization)

•
Authentication
through Domain, App
ID & Secret

Rich Client Apps

•
App runs as the user,
with same privilege

•
Need Device ID & App
ID

•
Access to Cloud or
Client Live Operating
Environment

Mesh
-
Enabled Web Applications

•
Same app
on website, Live Desktop, and devices

•
HTML/JavaScript,
Silverlight
, Flash, etc.

•
Auto d
eployment and update

•
Socially aware and easily shareable

•
Accessed by originating website with user consent

•
Runs in a sandbox

Mesh
-
Enabled Web App Packaging

YourApp.zip

–
index.html

–
Manifest.xml

–
Logo.png

–
[folders, other static content]

Live Framework Programming

•
HTTP

•
AtomPub

client

•
Microsoft SDKs

•
.NET,
Silverlight
, JavaScript

•
Tools for Visual Studio

•
PHP library

•
Roll your own

Coding time:

Let’s party on the mesh with .NET!

JavaScript SDK


MeshApp.run

=
function

MeshApp$run
() {



Microsoft.LiveFX.MeshApplication.loadAsync
(
windows.location.hostname
,

Delegate.create
(
null
,
function
(
meshApplicationContext
)


{





if

(
meshApplicationContext.state

!==




Microsoft.LiveFX.OperationState.Success
)



{





MeshApp._showError
(
'
MeshApplication

Load Failed'
);





}



else



{



var

meshApplication

=
meshApplicationContext.resource
;



meshApplication.get_runtimeEndpoint
().
get_mesh
().
loadAsync



(
Delegate.create
(
null
,
function
(
meshOperationContext
)



{





MeshApp._onLoadMesh
(
meshOperationContext
);




}));



}



}));


PHP Helpers

<?
php


require_once

'LiveFX.php'
;



$token

=

"<delegated authentication token>"
;


$
livefx

=

new

LiveFX
();


$
loe

=

$
livefx
-
>
connectWithToken
(
$token
);


$contacts

=

$
livefx
-
>
getContacts
(
$
loe
[
'
ContactsLink
'
]);


$
livefx
-
>
printArray
(
$contacts
);

?>


“A whole new world…



A new fantastic point of view…”

•
Data
deeply
owned by users not apps or devices

•
Just feeds? I want my RDBMS/
filesystem
/… back!

–
Hierarchies

–
Transactions

–
Referential integrity

–
Eventually consistent systems

•
Conflict resolution: the dark side of sync

Getting Started

http://developer.mesh
-
ctp.com

Click on Join, Continue, click
click

click
,
type
type

type
, pretend to read
EULAs, Privacy Policies, Terms of Use,
click
click

click
, etc.

This step is the non
-
obvious one.

Tokens are no longer required.

Sign in at
http://developer.mesh
-
ctp.com

Speculative stuff ahead

Warning

^

New Device Types

•
Media Center

•
Ultra Mobile PC

•
Windows Home Server

New Devices
P
rinters

New Devices

Cars,
Zunes
,
XBoxes

Even More Speculative Device Stuff


•
Mesh
-
enabled picture frames

•
Mesh
-
enabled Eye
-
Fi

cards in cameras

•
Mesh
-
enabled NAS appliance

•
Intel Remote Wake Technology

•
Listens to Mesh Services while the device is asleep


Note: this is an early mockup and doesn’t imply actual product plans (but wouldn’t it be cool)

New App Types

MSI,CAB, and more

Visual Resource Script Designer

SDKs for More languages

•
ActionScript

•
Python

•
Ruby

•
Java

•
Perl

New Resource
TYpes

•
Calendar

•
Mail

•
Photos

•
Groups

•
Favorites

•
Mapping / geospatial

•
Search

•
Messenger

More Operating Systems

•
Windows Mobile

•
Zune

•
XBox

•
Embedded

•
Symbian

•
Linux

External Data Sources

•
Custom external service proxies

•
Facebook

•
Twitter

•
Flickr

•
Photobucket

•
SmugMug

•
TripIt

•
Dopplr

•
eHome

ETC.

•
App Marketplace

•
Office

•
Enterprise support

•
Streaming video & P2P

•
WebDAV

Get
meshified
!


As a user
(you, your friends & coworkers, your mom)

http://www.mesh.com


As a developer

http://developer.mesh
-
ctp.com


Live Framework Forum

Thank you.


Any questions?

Oran Dennison

@
orand

orand.blogspot.com

odennison@gmail.com