Microsoft Skype for Business Architectural Models

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Microsoft Skype for The Skype for Business Online, on-premises, and hybrid configurations that BDMs and Business Architectural architects need to know about

Models This topic is 1 of 6 in a series 1 2 3 4 5 6

Introduction to Skype for Business Architectural Models

This series is intended for the IT Pro audience to raise awareness of the different fundamental architectural models through which Skype for Business Online and Skype for Business on premises can be consumed. Start with whichever configuration best suits your organization s needs and future plans. Consider and use others as needed. For example, you might want to consider integration with Exchange and SharePoint or a solution that takes advantage of Microsoft s Cloud PBX offering.

Three Architectural Models

 Skype for Business Online – You consume Skype for Business  Skype for Business hybrid solutions – You combine a Skype for through a Software as a Service (SaaS) subscription model. Business Online subscription with your on-premises Skype for Microsoft hosts your user accounts and manages your Skype for Business offering. You can incorporate Skype for Business Online Business infrastructure. You can take advantage of Microsoft s services into your overall Skype for Business offering, start cloud-hosted Private Branch Exchange (PBX) offerings and Public building SaaS management skills in your organization, and move Switched Telephone Network (PSTN) Calling service. your Skype for Business users to the cloud at your own pace. You can take advantage of Cloud PBX for your users who are homed online while retaining your on-premises PSTN connectivity.  Skype for Business on premises – You plan, deploy, maintain and customize your Skype for Business environment in a datacenter that you maintain.

Skype for IT responsibilities IT Responsibility Business Online Hybrid On premises Data governance & Skype for Business provides a rich set of capabilities no matter how you rights management architect your deployment. The architecture you choose will determine which Client endpoints IT responsibilities you own, and which you pay Microsoft to support through your subscription. Account & access management No matter which architecture is best for your organization, there are five core Identity and directory responsibilities that you will always own: infrastructure

Network controls  Networking and connectivity – Ensure network capacity and availability through firewalls, proxy servers, gateways, and across WAN links by Applications performing a network assessment or by contracting with a partner to do the assessment. Operating system  Data governance & rights management – Classify your sensitive data and ensure it is protected and monitored wherever it is stored and while it is in transit. Physical hosts  Client Endpoints – Establish, measure, and enforce modern security Physical network standards on devices that are used to access your data and assets.

 Account & access management – Establish a profile for normal Physical datacenter account activity and alert on unusual activity.  Identity - Use credentials secured by hardware or Multi-Factor Authentication (MFA) for all identities. Microsoft Customer

More Microsoft cloud IT architecture Microsoft cloud identity for Get your organization ready for resources enterprise architects Office 365 Enterprise information http://aka.ms/clouditarch http://aka.ms/cloudidarch http://aka.ms/O365EntPrep

© 2016 Microsoft Corporation. All rights reserved. To send feedback about this documentation, please write to us at [email protected]. Microsoft Skype for The Skype for Business Online, on-premises, and hybrid configurations that BDMs and Business Architectural architects need to know about Models This topic is 2 of 6 in a series 1 2 3 4 5 6

Skype for Business Online

Let Microsoft host your user accounts and manage your Skype for Business infrastructure.

Office 365 On premises Gain efficiency and optimize for cost

Directory with Office 365 multitenant plans synchronization Skype for Business Online Active Directory Most enterprises will have an on- Domain Services premises directory, which can be Microsoft integrated and synchronized with the Azure online directory. Microsoft Azure Active Directory Tenant

Overview Best for...  Take advantage of the reliable and flexible Unified Communications  Communication capabilities of Skype for Business Server as a enabled by the Microsoft Cloud. cloud-based service.  Simplify communications infrastructure, rollout, and adoption.  Software as a Service (SaaS); rich feature set is always up to date.  Reduce your IT costs and free up IT resources.  Microsoft hosts and manages the IT infrastructure; you manage your information and users.  Reduce the cost of infrastructure and hardware.  No operational burden of Skype for Business on-premises servers  Automatic patching and rapid upgrade to new features. or server software.  Great for geographically-dispersed organizations or organizations  Includes a Microsoft Azure Active Directory tenant. with primarily mobile employees.  Client communication over the Internet is encrypted and authenticated.  Take advantage of Microsoft-hosted Cloud PBX functionality.  Public switched telephone network (PSTN) connectivity available Licensing requirements through Microsoft PSTN Calling service or third-party providers (check availability for your area).  Subscription model, no additional licenses needed.  Take advantage of Skype Meeting Broadcast.  Take advantage of PSTN conferencing.

Architecture tasks IT Pro tasks  Ensure network capacity and availability through firewalls, proxy  Ensure you have a Microsoft Office 365 tenant with Skype for servers, gateways, and across WAN links by performing a network Business Online enabled. assessment or by contracting with a partner to do the assessment.  Plan and implement internal and external DNS records and  Acquire third-party SSL certificates to provide enterprise-security routing. for Office 365 service offerings.  Configure your proxy or firewall for Office 365 IP address and  Decide if you want to connect to Office 365 with Internet Protocol URL requirements. version 6 (IPv6).  Administer user accounts and Skype for Business Online  If you have an existing on-premises directory, determine your settings. directory integration and synchronization requirements.  If you have an existing on-premises directory, implement your directory integration and synchronization plan.

Office 365 admin overview Get your organization ready for Set up Skype for Business More Office 365 Enterprise Online information https://aka.ms/abouttheadmincenter https://aka.ms/office365enterprise https://aka.ms/setupskypeforbusinessonline

© 2016 Microsoft Corporation. All rights reserved. To send feedback about this documentation, please write to us at [email protected]. Microsoft Skype for The Skype for Business Online, on-premises, and hybrid configurations that BDMs and Business Architectural architects need to know about This topic is 4 of 5 in a series 1 2 3 4 5 Models This topic is 3 of 6 in a series 1 2 3 4 5 6 Skype for Business on premises Maintain complete control of your environment

On-premises You own everything

You have control of the platform and the solution, including connecting to Skype for Business Active Directory the Public Switched Telephone front end pool Domain Services Network (PSTN) and integrating with Edge Server Private Branch Exchanges (PBXs).

Storage Skype for Business users

Overview Best for...  You own everything.  Highly customized solutions.  Capacity planning and sizing.  Legacy solutions with third-party components that depend on  Server acquisition and setup. hardware and software that are not supported by Skype for Business Online. For example, Survivable Branch Appliance  Deployment. (SBA) configurations.  Scaling out, patching, and operations.  Privacy restrictions that prevent synchronization of Windows  Backing up data. Active Directory accounts with Office 365.  Maintaining failover and disaster recovery.  Organizations that desire control of the entire platform and  Connecting your Skype for Business Server infrastructure to the solution. Public Switched Telephone Network (PSTN).  Integration with existing phone equipment, such as Private Branch Exchanges (PBXs). Licensing requirements  Take advantage of PSTN conferencing.  Server Operating System  SQL Server Architecture tasks  Skype for Business 2015 Server License  Skype for Business 2015 Client Access License Design the Skype for Business environment in an existing on-premises environment:  Plan the Skype for Business topology and networking for central and IT Pro tasks branch offices.  Plan for server hardware, including virtualization. Deploy and manage the Skype for Business on-premises environment:  Design integration with Windows Server Active Directory and DNS.  Provision servers.  Plan for load balancing for Skype for Business Server pools.  Deploy the Skype for Business topology.  Plan for failover and disaster recovery.  Update Skype for Business servers.  Add or remove topology servers as needed based on utilization.  Implement the failover and disaster recovery environment.

Plan for your Skype for Requirements for your Skype More Business Server deployment for Business environment information https://aka.ms/planyourdeployment https://aka.ms/planyourrequirements

© 2016 Microsoft Corporation. All rights reserved. To send feedback about this documentation, please write to us at [email protected]. Microsoft Skype for The Skype for Business Online, on-premises, and hybrid configurations that BDMs and Business Architectural architects need to know about This topic is 3 of 5 in a series 1 2 3 4 5 Models This topic is 4 of 6 in a series 1 2 3 4 5 6

Skype for Business hybrid configurations

Skype for Business supports several hybrid configurations, including integrating with Exchange Online and SharePoint Online, and taking advantage of Microsoft Cloud PBX. This diagram shows how you can add Skype for Business Online into your existing on-premises Skype for Business environment, allowing you to move users to the Cloud at your own pace. Combine the benefits of Office 365 with an on-premises deployment Office 365 On premises of Skype for Business Server.

For information about other hybrid Skype for solutions, including solutions that Edge Server Skype for Business Business Online front end pool do not require a Skype for Business server deployment, see Cloud PBX. Microsoft Azure Microsoft Azure Active For information about hybrid Directory Tenant solutions with Exchange and Active Directory Directory Domain Services synchronization SharePoint, see Integration with Exchange and SharePoint.

Overview Best for...

Use Skype for Business Online for integration with  Some users are homed on premises and some users are homed  online, but the users share the same Session Initiation Protocol subsidiaries. (SIP) domain, such as contoso.com.  Facilitate a migration from Skype for Business on premises to Skype for Business Online.  Take advantage of Microsoft-hosted Cloud PBX functionality for those users who are homed online.  Support remote sites without using a branch office appliance.  Migrate from Skype for Business on premises to Skype for  Easily add Skype for Business support for new business Business Online over time, on your schedule. acquisitions.  Integrate with other Microsoft Office 365 applications, including Exchange Online and SharePoint Online.  Integrate with Exchange and SharePoint.  Take advantage of Skype Meeting Broadcast. Licensing requirements  Take advantage of PSTN conferencing.  Office 365 — Subscription model  On premises — on-premises licenses Architecture tasks

In addition to tasks for your on-premises environment: IT Pro tasks  Plan and design identity management requirements, including In addition to tasks for your on-premises environment: integrating on-premises identities with Office 365.  Ensure you have a Microsoft Office 365 tenant with Skype for  Ensure network capacity and availability through firewalls, proxy Business Online enabled. servers, gateways, and across WAN links by performing a network  Implement the identity management plan. assessment or by contracting with a partner to do the assessment.  Plan and implement internal and external DNS records and routing.  Acquire third-party SSL certificates to provide enterprise-security for Office 365 service offerings.  Configure your proxy or firewall for Office 365 IP address and URL requirements.  Decide if you want to connect to Office 365 with Internet Protocol version 6 (IPv6).  Administer user accounts and Skype for Business Online settings.  Determine how much feature integration with on-premises and  Configure the proxy server device, if required. online versions of Skype for Business, Exchange, and SharePoint is  Configure the integration of features with on-premises and online desired. versions of Exchange Server and SharePoint.  Determine which proxy server device will be used for requests from Office 365.

Add Skype for Business Online into your Integrate your on-premises identities More existing Skype for Business Server with Azure Active Directory environment information https://aka.ms/configuresplitdomain https://aka.ms/integrateidentities

Enable call control and Private Branch Exchange (PBX) capabilities in the Office 365 Cloud with Skype for Business Online. If you choose a Skype for Business Online or hybrid solution, you can take advantage of Cloud PBX.

Cloud PBX with PSTN Calling An all-in-the cloud offering that does not require an on-premises server deployment. Provides Microsoft-hosted Cloud PBX functionality with an added PSTN Calling service that enables calling to landlines and mobile phones around the world (depending on the level of service being licensed).

Office 365 including Skype for Business Online Best if...  Your PBX does not offer unique features that you need to retain.  PSTN Calling service is available in your region. PSTN Skype for Business Microsoft  You want to use Microsoft-provided PSTN services. Users Cloud PBX

Cloud PBX with on-premises PSTN connectivity provided by your Skype for Business Server deployment

A hybrid offering that consists of a Skype for Business Server on-premises deployment modified for hybrid PSTN. Users in your organization who are homed in the cloud can receive PBX services from the Microsoft cloud, but PSTN connectivity is provided through Enterprise Voice on your on-premises Skype for Business Server deployment. Best if... On-premises Office 365 including Skype for Business Online  Your PBX does not offer unique features that you need to retain.  PSTN Calling service is not available in your Skype for Existing PBX or Skype for Skype for Microsoft region. Business Users Telco gateway Business Server Business Users Cloud PBX  You have an existing Lync or Skype for Business Server deployment. PSTN

Cloud PBX with on-premises PSTN connectivity provided by Skype for Business Cloud Connector Edition A hybrid offering that consists of a set of packaged Virtual Machines (VMs) that implement on-premises PSTN connectivity. By deploying a minimal Skype for Business Server topology in a virtualized environment, users in your organization who are homed in the cloud can receive PBX services from the Microsoft cloud, but PSTN connectivity is provided through the existing on-premises voice infrastructure. Best if... On-premises Office 365 including Skype for Business Online  Your PBX does not offer unique features that you need to retain.  PSTN Calling service is not available in your Existing PBX or Skype for Business Skype for Microsoft region. Telco gateway Cloud Connector Business Users Cloud PBX  You do not have an existing Lync or Skype for Business Server deployment. PSTN

Plan your Cloud PBX solution Plan Cloud PBX with on- Plan for Skype for Business More premises PSTN connectivity Cloud Connector Edition information https://aka.ms/plancloudpbx https://aka.ms/onprempstnconnectivity https://aka.ms/cloudconnectoredition

Integration with Exchange and SharePoint

Skype for Business Server with Exchange Online and SharePoint Online

Advantages Office 365 On premises  Use the full feature set of Skype for Business Server.  Leverage your existing on-premises phone equipment, such as PBXs. Skype for Business  Use Exchange Online for email, off-loading the burden of Exchange Online Server on-premises email servers and storage. Edge Server  Use SharePoint Online for collaboration, off-loading the burden of maintaining on-premises SharePoint servers.  Use Skype for Business, Exchange, and SharePoint SharePoint Online integrated features, including Unified Messaging (UM) in Office 365.

Exchange Server with Skype for Business Online

Advantages Office 365 On premises  Leverage your existing Exchange infrastructure.  Use Skype for Business Online for presence, IM, and conferencing capabilities. Exchange Server Skype for Business Online

Skype for Business Server with Exchange Server

Advantages On premises  Unified presence information.  Unified contact store.  Unified messaging integration. Exchange Server  Integrated archiving.  Integrated search of archived content.

Skype for Business Server

More Integrate Skype for Business Integrate SkypeMore for Business and Exchange and SharePoint information information https://aka.ms/exchangeintegration https://aka.ms/sharepointintegration