wong-ocs 2007 - architecture and design

8/11/2019 Wong-OCS 2007 - Architecture and Design

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Vision

Feature Set

Architecture

Enterprise Deployment


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The Cresting Wave

ommun ca ons rans orma on

18371837 18761876 19841984 2007


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From Silos

Traditional Communications

ging

eM

ail

rprise

phony

ioferenc

ing

ferenc

ing

oferenc

ing

ailan

d

ant

Messa

Vo

iEn

t

Te

lAu

d

Co

We

Co

Vid

Co

E-

Ins

t

Vertically-integrated communication silos

Proprietary architectures, lack of platforms

Multiple databases and directories

e ca e ev ces an c en s, separa e ne wor s

Separate management and skill sets


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From Silos to Integrated Communications

Consistent User Experience

Microsofts approach toUnified Communications

essagin

g

essagin

g

cing

cing

en

t

Un

ifiedM

En

terpris

Telep

hon

Ins

tan

tM

We

b

Co

nferen

A/V

Co

nferen

E-ma

il

dM

anage

Dev PlatformUn

ifie

Presence, SIP, Media

Active Directory, Security, Policies

Horizontally integrated distributed architecture

an ar s- ase common p a orm

Consistent user experience: Office

Unified management plane


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Office Communications

erver oa s

- - -Conferencing Data/App-Sharing and Audio/Video

Rich Contextual Presence and Group IM

Integrated Voice Experience

CommunicationsExperience

Integrated infrastructure for Global Enterprise

Voice deployments

Software-Powered VoIP

Rich platformInfrastructure

- Integrated architectural model

Integrated deployment and operation

Integrated external access

ntegrateOperational

Control


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OCS 2007 End-User Scenariosrea cenar o

Family

escr p on en

Presence/

IMRich Presence

e.g., location, Meeting details,

custom presence; selective

information disclosure; contact

card; interruption

management, contextual

Communicator

integration

Group IMDistribution Lists on contact

lists

Public IM

ConnectivityConnecting to

AOL/MSN/Yahoo

on erenc ng DataConferencing

pp ar ng, ocumen

Sharing, Whiteboards, Poll,

Annotation, Chat; Recording

ve ee ng

Console(unified console for OCS

and LM Service)

PSTN

Conferencing

Linking Data Conference to a

Phone Call hosted on an Audio

Conferencing Provider(ACP) Service

Audio/Video

ConferencingPC Audio/ WebCam or

RoundTable video

Live Meeting

Console

RoundTable

Communicator

IM Communicatoru -par y

Conference

SchedulingScheduling Data or A/V

ConferencesOutlook

VoiceCall Control

Hold/Transfer/Retrieve,

Forwarding, Remote CallCommunicator

Control, etc.

Rich

ExperienceSubject line & importance for

calls, Office Integration

Voicemail/UM MWI, Missed Call Logs, etc.


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Web ConferencingAudio/Video Conferencing

PSTN Conferencing

SIP-based (internal and external)

Communicator Web Access

AJAX APIs Presence

ConferencingConferencing DeveloperDeveloper

-

High Availability

VoiceVoice ManageabilityManageability

High Scale

Guided SetupDelegation

Diagnostics

PSTN connectivity(Mediation Server)

Exchange UM integration

Inbound Routing

Presence/Presence/ OutsideOutside

In-band Provisioning

Client Version Check

CDRs

Com liance

Outbound Routing

Public IM Connectivity

Rich Presence Federation

Web Conferencing Edge Server

Audio/Video Edge Server


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-

Presence/IM

Conferencing


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--MSDE :

Mapping of *all* users

(enterprise-wide) toy

Act ive

Director

y

Each user is assigned to a

Home Server (or Pool), which

maintains Presence State for that user

2b SUBSCRIBE

,

User-specific data for

its own users (e.g.

contact lists, state,

subscriptions)Alice Logs In

1a REGISTER

Alice re isters end oint

1

3b NOTIFY

4b INVITE4e MESSAGE

AlicesOCS Pool

SQL

BobsOCS Pool

SQL

Info (IP address, etc.)

on Alices server

1b SERVICE

Alice sets own

presence to online Bob changes

3Alice sends Bob

an IM

4

Alice Adds Bob

to contact list

2

online

3a SERVICE

Bob sets own presence

To online

4a INVITE

Alice sends to Alices server

4b INVITE

Alices server relays to

Bobs server

4c INVITE

Alice subscribes toBobsPresence

Alices server does

DB lookup to identify

Bobs server

3b NOTIFYBobs server notifies

Alices server

3c NOTIFY

Alices server

notifies Alice

Bobs server relays to Bob

4d-f MESSAGE

Follows INVITE path

Alice Bob2b SUBSCRIBE

Alices server relays

to Bobs server

(Simplified)(Simplified)


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--

n erpr sen erpr seEnterpriseEnterprise

OOCS 2007CS 2007OOCS 2007CS 2007

OOCS 2007CS 2007 OOCS 2007CS 2007Edge ServerEdge Server

Edge ServerEdge Server

Alice Bob

Each Home Server routes outward via Edge Server

ge ervers a ver se emse ves v a

Call Flow similar to Intra-Enterprise


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Rich Presence Architecture Watchers

3PCCPhone

VoIP/VideoState

OC

Presentity

CoMo

CWA

Tanjay

Machine

State


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Conferencing Architecture: Scenario

11 22 Join MeetinJoin Meetin

User opens Calendar in Outlook:User opens Calendar in Outlook: Attendee clicks on link received in eAttendee clicks on link received in e--mailmail

33 Upload deck,Upload deck, flipflip slideslide

Through Meeting ConsoleThrough Meeting Console

44 Start videoStart video

Through Meeting ConsoleThrough Meeting Console


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Conferencing Architecture:

u ng oc sFrontFront--End toEnd to

scheduling databasescheduling database

SQLSQL stores allstores all

Conference stateConference stateOutlookOutlook

--

ConferencingConferencingServersServers

FocusFocusFactoryFactoryWebWeb

MixMix specific media typesspecific media types

ConferenceConferenceDatabaseDatabase

Meeting ConsoleMeeting Console

AppApp--sharingsharing

Office documentsOffice documents

Whiteboard/PollWhiteboard/Poll

FocusFocus

ConferencingConferencing

Group IMGroup IM

Audio/VideoAudio/VideoConferencingConferencing

Audio & videoAudio & video

mixingmixing

Switchboard for conferenceSwitchboard for conference

state, Authentication,state, Authentication, PolicyPolicy

enforcement, Call controlenforcement, Call control

Si nalin flowsSi nalin flows

Media flowsMedia flows


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Conferencing Architecture: Scheduling

Create aConference: ID

OutlookOutlook FactoryFactory DatabaseDatabase

11

ExchangeExchange

UserOpens

Outlookand

Clicks

Create aConference: ID

a LiveMeeting

Send MeetingInvitations

SIPSIP

HTTPHTTP

PSOMPSOM


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22

INVITEUser Clicks

On Join Link in

-

Console Focus

SUBSCRIBE

Meet: URI

launches

Meetingconsole

handshake

200 OK

BENOTIFYBENOTIFY

Console subscribesto Focus

For conference state

HTTPHTTP

PSOMPSOM


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MeetingMeeting33

PSOM: Upload Slide

HTTP: Upload Content to IIS

UploadUpload

Deck/Deck/Flip slideFlip slide

: ange o e

SIP: INVITE

(Audio/Video) SIP: INVITE (Audio/Video)

SIP: 200 OK

SIP: 200 OK

SIP: ACK

SIP: ACK

StartStart

VideoVideo

(S)RTP Stream Established(S)RTP Stream Established

HTTPHTTP

PSOMPSOM


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Voice Architecture: Inbound Routing

UC phone UC client

BoPSTN

SIP URIs +

SIP TEL URIs

Exchan e UM

Routing for

incoming phone

calls

Office

Communicator 2.0

by user

calls even if the

user is logged out

Initiates MissedCall Notifications

Incoming call

INVITE

Forked

INVITE

Call

forwardingVoicemail

via Exchange 2007

Unified Messaging

and Outlook

Inbound Routing Live Server

Endpoints ring

Call forward ring


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Voice Architecture: Outbound

ou ng

Routing & Auth

ES

Translations

OC UC phone

SIP Stack

OCS 2007

.

location specific normalization rules

RNL: Reverse Number Lookup enables mapping of a number to a

Routing: Based on number pattern, applies dialing authorization

and selects appropriate gateway to route to destination


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Voice Architecture: A Sample

a - roug o a s on sclient or UC device to reacha PSTN destination.

UC endpoin ts

with location profile

Server Applies normalization

rules

Server Invokes routing rules and

based on rules corresponding to

user policy, picks the appropriate

InboundInbound

RoutingRouting

OutboundOutbound

RoutingRouting

Voice MailVoice MailRoutinRoutin

Mediation Server Does any

necessary transcoding, and

re laces From header with

FE Server(s)

(Registrar/Proxy/

Presence Server)

Backend

SQL server

AdvancedAdvanced ExchangeExchange

contents ofp-asserted-identity and routes to

GW

Media GWMedia GW2007 UM2007 UM

Voice mailVoice mail(Mediation(MediationServer)Server)

Gateway Based on topology,

applies any local dialing rules

or PBX dialing rulesPSTN


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AD

Standard EditionStandard Edition


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Simple Deployment, External Access

o ce ng e vo ce oca on

A

D

External/External/

Federated/Federated/

AnonymousAnonymous

UsersUsers

PerimeterPerimeter

NetworkNetwork

Enterprise - small/initial/regional deployment

IM/Presence & Conferencing

External/Federation/PIC/Anon mousEdge ServerEdge Server

HTTP ReverseHTTP Reverse

ProxyProxy

Voice Call Control & Voice Mail Single Location

No High Availability

AD, HTTP Reverse Proxy (e.g. ISA)

Standard EditionStandard Edition

IPIP--PSTNPSTN

AAPSTNPSTN

Exchange UMExchange UM

Server *Server *

"Plan A" IP-PSTN GW (e.g. Dialogic)

Exchange 2007 mail environment

3 Servers (3 Roles)

GatewayGatewayFew Thousand users (goal)

Voice location: unique inbound PSTN

termination point (e.g. one per area code)

xc ange e a can no e co-

located with Exchange 2007 mailbox

Mailboxes may need to scale out independently


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AD

Enterprise Edition FrontEnterprise Edition Front--End Servers:End Servers:

ConsolidatedConsolidated

SQL

Enterprise Pool: ConsolidatedEnterprise Pool: Consolidated


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AD

Active Passive

Enterprise Edition Front-End Servers:

Expanded

Enterprise Pool: Expanded

IIS Servers A/V Conferencing ServersWeb Conferencing Servers


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RoleRole ScenarioScenario PurposePurposeStandard Edition All All-in-one functionality for simplest deployments

Enterprise Edition:

Front End AllManages SIP communications with client and

other servers

Back EndAll SQL Server: State of the System

Director All Authentication of external users

Edge Server All Remote access, federation, PIC, media traversal in DMZ

Mediation Server Voice Interop with existing IP-PSTN Gateways

Archiving Server All Compliance and Call Detail Records

Communicator Web AccessIM and

PresenceWeb Access for IM and Presence functionality


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Expanded Server Roles

or arge ep oymen s

Web Conferencing Server Conferencing Dedicated MCU for web (data) conferencingin high-scale deployments

Audio/Video Conferencing Dedicated MCU for Audio/Video conferencing

Server in high-scale deployments

IIS Server All

Dedicated IIS Server for Conferencing functions

e.g., slide access, DL Expansion, etc. in high

Web Conferencing

Edge ServerConferencing

Transports Web Conferencing (PSOM) traffic

through the Perimeter Network for

external/anon/federated access

A/V Conferencing Edge Server ConferencingTransports A/V traffic (RTP) through the Perimeter

Network for external/anon/federated access


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components in a customer environmentcomponents in a customer environment

Component Scenario Purpose

Active Directory All Enterprise Directory users & configuration

Load Balancer All Third-party (e.g. F5) Hardware for High Availability

Reverse Proxy (e.g. ISA, or third-Party like CheckPoint)

HTTP Reverse Proxy

presence,

Conferencing

in the DMZ for access to CWA

and Conferencing Web functions.

Hardware or Software.

Third- art atewa to connect enter rise IP network w/- a eway o ce

PSTN. Hardware or Software.

RCC Gateway VoiceThird-party SIP/CSTA gateway for Remote Call Control.

Software.

File share Conferencing Standard Windows File Share for storing meeting content


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PrimaryPrimary

PerimeterPerimeter

NetworkNetworkGlobal Mission-Critical Enterprise

De lo ment

D

ActiveActive PassivePassive

Geographic deployment

Voice Call Control & Voice Mail

Enterprise Pool: ExpandedEnterprise Pool: Expanded

Enterprise Edition FrontEnterprise Edition Front--End Servers: ExpandedEnd Servers: Expanded

IIS ServersIIS Servers A/V Conferencing ServersA/V Conferencing ServersWeb Conferencing ServersWeb Conferencing Servers

PSTNPSTN

RegionRegion

II

IPIP--PSTN GWPSTN GW

AA


BB

BB

MediationMediation

ServerServer

Loc 1Loc 1

Loc 2Loc 2

Loc 3Loc 3

High Availability

AD, HTTP Reverse Proxy (e.g. ISA)" " -

ExchangeExchange

UMUM

ServersServers

SecondarySecondaryDirectorsDirectors

IPIP--PSTN GWPSTN GW MediationMediation

ServerServer

Enterprise Edition FrontEnterprise Edition Front--End Servers:End Servers:

ConsolidatedConsolidated

. .,

Dialogic)

Plan B IP-PSTN GW (e.g.,

Quintum)

Exchange 2007 mail environment

SQL

Enterprise Pool: ConsolidatedEnterprise Pool: Consolidated

NetworkNetwork

PSTNPSTN

RegionRegion

IIII


AA


BB

MediationMediation

Loc 1Loc 1

Loc 2Loc 2

Global

Exchange UM scale depends on


BB

ServerServer

Loc 3Loc 3ma ox oca ons


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Global Deployment With Voice

xamp e

TorontoToronto

LondonLondon

OsloOslo

IPIP--PSTNPSTN

GWGW

BB

MediationMediation

ServerServer

IPIP--PSTNPSTN

GWGW

BB

MediationMediation

ServerServer


AA

ParisParisChicagoChicago

(Global HQ)(Global HQ)Primary PerimeterPrimary Perimeter

NetworkNetwork

DirectorsDirectors

SFOSFO

LAXLAX

LisbonLisbon

DelhiDelhiTokyoTokyo

IPIP--PSTNPSTN

GWGW

BB

MediationMediation

ServerServer

--

BB


AA


AA

(EMEA(EMEA

Datacenter)Datacenter)SecondarySecondary

Perimeter NetworkPerimeter Network

Pool #2Pool #2

Pool #1Pool #1SingaporeSingapore

(APAC(APAC

Datacenter)Datacenter)SecondarySecondary

GWGW ServerServerIPIP--PSTN GWPSTN GW

er meter etworer meter etwor

Pool #3Pool #3

SydneySydney

AA



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Integrated CommunicationsIntegrated CommunicationsExperienceExperience

Office CommunicationsOffice Communications

foundation forfoundation forintegrating enterpriseintegrating enterprise

Integrated OperationalIntegrated OperationalControlControl

SoftwareSoftware--PoweredPoweredVoIP InfrastructureVoIP Infrastructure


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