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Introduction to Hosting Exchange 2000 Jeff Strasser Support Engineer Microsoft Business Applications Microsoft Corporation What Is E-mail Hosting? Managed by a provider Outsource IT departments Purchased as a service Economical to Sell, Customize, Provision, Bill, Deploy, Operate,

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Introduction to Hosting Exchange 2000Jeff StrasserSupport EngineerMicrosoft Business ApplicationsMicrosoft Corporation

what is e mail hosting
What Is E-mail Hosting?
  • Managed by a provider
  • Outsource IT departments
  • Purchased as a service
the application service provider asp challenge

Economical to Sell,

Customize, Provision,

Bill, Deploy, Operate,

Quality of Business

Maintain and

Solution

Upgrade

Reliability of Operations

Ease of Troubleshooting

Great ISV / Service

Provider customer service

Standardize then

Automate Everything

The Application Service Provider (ASP) Challenge

Hot Apps

Services

and

Stable ServicesDelivery Platform(SSDP)

TCO / TCSD

Margins

Great

Service

Levels

Customer Satisfaction

what do asps gain from exchange 2000
What Do ASPs Gain from Exchange 2000?

Drive Down Costs

Increase Service Revenues

  • Front end / back end
  • Architecture
  • Active Directory
  • Active / active clustering
  • Partitioned data store
  • Messaging – storage upsell
  • Web store services
  • Document services
  • Unified messaging
  • Conferencing
  • Wireless notification
developed with asps in mind
Developed with ASPs in Mind
  • Manageability
  • Security
  • High availability
  • Scalability
manageability
Manageability
  • Microsoft Management Console (MMC)
    • Exchange System Manager (ESM) snap-in
    • Microsoft® Active Directory™ users and computers snap-in
  • Windows Management Instrumentation (WMI)
  • Third-party applications
simple administration
Simple Administration
  • Organizational Units (OUs)
    • Users
    • Groups
    • Security settings
    • Exchange rules
    • Other information
  • User Principal Names (UPNs)
    • Eliminates namespace collision
tight security
Tight Security
  • Logon authentication
    • Consistent user name and password
  • Directory security
    • Method of controlling the extent to which specific users can access network resources
logon authentication
Logon Authentication
  • Uses Microsoft® Windows® 2000 security
    • Anonymous
    • Basic (clear-text)
    • Basic with Secure Sockets Layer (SSL)
    • Integrated Windows Authentication (formerly NTLM)
directory security
Directory Security
  • Restricts what users can see in Active Directory
    • Users only see information regarding their own company
    • Custom administration tools
high availability
High Availability
  • Network load balancing cluster
    • Availability through redundancy and load distribution
  • Failover clustering
    • Allows failover to a secondary node
scalability via front end back end
Scalability via Front End / Back End

Front end servers

BE Machine B

BE Machine A

Shared Storage

flexibility of clients
Flexibility of Clients
  • Microsoft® Outlook® 2000
  • Outlook Web access
  • Outlook Express
  • Any POP3, IMAP4 clients
designing an exchange 2000 architecture for hosting
Designing an Exchange 2000 Architecture for Hosting
  • Active Directory
  • Storage configurations
  • Administrative groups
  • Routing groups
  • Public folders
active directory design
Active Directory Design
  • Three design models
    • Shared Forest
    • Dedicated Forest
    • Combined Shared/Dedicated
shared forest model
Shared Forest Model

Domain Policies

Domain Security

Domain Devices

Domain Root

Domain Users

Domain Security Groups

OU1 Specific Policies

OU1Specific Security

OU

OU1 Specific Devices

Company1

OU1 Specific Users

OU1 Specific Security Groups

OU2 Specific Policies

OU2Specific Security

OU

OU2 Specific Devices

Company2

OU2 Specific Users

OU2 Specific Security Groups

OU3 Specific Policies

OU3Specific Security

OU

OU3 Specific Devices

Company3

OU3 Specific Users

OU3 Specific Security Groups

combined shared dedicated
Combined Shared / Dedicated

Place

Holder

Root for ASP

Dedicated

Dedicated

Domain 1

Domain 3

Dedicated

Customer 1 OU

Domain 2

Shared

Customer 2 OU

Services

Domain for ASP

Customer 2 OU

storage group database design
Storage Group & Database Design
  • Storage groups
  • Databases

MDB

MDB

MDB

typical asp architecture

Windows 2000 Directory

Windows 2000 Directory

Windows 2000 Directory

Typical ASP Architecture

Router / Packet Filter

/Firewall

Internet

Outlook Client over VPN or OWA over SSL

VPN server

VPN server

Protocol

Protocol

Protocol

Store

Store

Store

Store

Cluster A

Cluster B

administrative group design
Administrative Group Design

Farm 1

Admin Group

Farm 3

(AG)

Farm 2(AG)

routing group design
Routing Group Design

Paris (RG)

NYC

Routing Group

London

(RG)

LA (RG)

public folder design
Public Folder Design
  • Multiple Top Level Hierarchies (TLHs)
    • User mailboxes associated with one PF tree
  • Peer level public folders
    • Each organization sees only its folders
managing exchange 2000
Managing Exchange 2000
  • Microsoft Management Console (MMC)
  • Exchange System Manager (ESM)
  • Custom tools
managing exchange 2000 2
Managing Exchange 2000 (2)
  • Active Directory Services Interface (ADSI)
    • COM objects that represent objects in the directory
    • Variety of tools to interface with ADSI
managing exchange 2000 3
Managing Exchange 2000 (3)
  • Windows Management Instrumentation (WMI)
    • Three layer model
      • Managed system
      • Provider
      • WMI consumer
  • Collaboration Data Objects (CDO) / CDOEXM
    • Programmatic access to management
    • Use in conjunction with ADSI
other services
Other Services

Instant

Messaging

Chat

Conferencing

instant messaging
Instant Messaging
  • IM Domain
    • Logical collection of users and servers
  • IM Home Server
    • Virtual server that hosts IM accounts
    • Maintains ‘presence’ information
  • IM Router
    • Receives messages and routes to appropriate home server
slide28
Chat
  • Chat hosting strategies
    • Small companies
      • Community for each
      • Set access through access control lists (ACLs)
    • Large companies
      • Dedicated chat server
      • Approximately 20,000 concurrent connections/server
conferencing
Conferencing
  • Conferencing hosting considerations
    • Internet latency problems
    • Firewall issues
  • Quality of service (QOS)
    • Guarantees bandwidth
    • Support for real-time multimedia
    • Assures time transfer of large amounts of data
provisioning billing with maps

AD

SCO

Ex SCO

MAPS provisioning framework (XML abstraction)

CDOEX

DDNS

ADSI

Server apps (Exchange, SQL,etc)

OS services and APIs

Provisioning & Billing with MAPS

ISV-developed provisioning, metering, billing, OSS frameworks

exchange 2000 hosting resources
Exchange 2000 Hosting Resources
  • Microsoft Exchange Web site
    • http://www.microsoft.com/exchange/
  • Microsoft Internet Services Network
    • http://www.microsoft.com/isn/
  • Microsoft .NET Web site
    • http://www.microsoft.com/net/