The document discusses the new features of Office Web Apps 2013. It begins by describing some of the limitations of Office Web Apps 2010, such as being tightly integrated with SharePoint 2010 and causing unintended downtime during installations and patches. It then outlines some of the key advantages of Office Web Apps 2013, including easy upgrades without downtime, new capabilities like support for Exchange and Lync, and greater browser compatibility. The architecture of Office Web Apps 2013 is also introduced, distinguishing it from the 2010 version by introducing the new Web Application Open Platform Interface and the ability to have dedicated Office Web Apps servers.
5. What We Have in OWA 2010
Couldn’t run OWA on DC
Tightly integrated in SP2010
Unintended downtime for install/patch/removal
Excel web app/excel services confusion
Install on single or multiple servers in farm for service on server
Leveraged as SharePoint feature (turn it on/off per site collection)
Special SQL database permission requirements
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6. Problems with OWA 2010
Adds extra load to installed SP servers
Limited browser support
Limited document editing capabilities
No smartphone support
No tablet support
No touch support
Complex patching cycle
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7. Some OWA 2013 Advantages
• Easy upgrades without downtime
• Scaling without SharePoint impact
• New capabilities to:
◦ Exchange
◦ Lync
◦ File Shares
◦ Custom Sources
• Can now create files within the browser
• Greater browser compatibility
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10. New Terms in OWA 2013
Web application Open Platform Interface (WOPI)
WOPI provides the link between the SharePoint farm and the OWA
farm
WOPI components
◦ WOPI App: Office Web App 2013 farm
◦ WOPI Host: typically your SharePoint farm
Office Web Apps servers can be dedicated to role or All
◦ Front End
◦ Excel Back End
◦ Word Back End
◦ PowerPoint Back End
Master Machine
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12. OWA 2013 Requirements
Windows Server 2008 R2 x64 (+higher version)
All servers must be domain joined
.NET 4.0
IIS 7.0 (role needs to be turned on through the Web Server (IIS) role)
PowerShell 3.0
Load balancer for multi-machine farms
Dedicated server(s) with no other applications installed (that are using
ports 80 or 443)*
◦ Can not install SharePoint/domain controller/Exchange/Lync on the OWA
servers
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