Each server you're using for Skype for Business, provides 1 or more server roles. You don't need all server roles - only deploy the roles which you need.F or most server roles, you can deploy pools so as to provide scalability and reliability. Hardware and/or DNS load balancers are required to spread resources around a pool.
Standard Edition Server is for smaller organisations, or pilot projects in larger ones - you can run Skype For Business entirely on one server including the necessery databases along with IM, presence, conferencing, enterprise voice.
Front End and Back End servers work together. Back end servers provide the SQL databases used by Skype for Business, but do not run and Skype For Business functions SQL mirroring, clustering or always-on is recommended at the enterprise level. The front end servers are the core server roles, providing SfB functions.
Edge Servers allow communication and collaboration to users outside the organisation's firewall. This can include offsite works, federated users and outside users included in conferences. There is also connectivity to public IM such as Skype.
Mediation Servers are used for translation between internal SfB infrastructure and a IP PBX, PSTN Gateway or a SIP trunk. This can be a standalone pool or run on the front end server.
A Director server does not hold any services or account and most useful in enhancing security by authenticating requests to prevent DOS attacks.
Persistent Chat servers and provide and provides multi party and topic-based conversations which persist over time. The back end server stores, the chat data and information about categories and rooms.
Video Interoperability Server - this can allow you to integrate to 3rd party video conferencing. It's a standalone server role. Acts as an intermediary between Skype for Business, and Cisco conferencing systems.
Skype For Business is a realtime service. Different work styles enhanced and impacted
Outcomes of delivery realised when they use SfB and use it to enhance business processes.
Quality is underpinning usage. If it’s delivering a quality service that delights people, teams gain confidence in using the technology and they find new ways of doing things to drive business benefits.
Key Services of Skype for Business:
• Group Collaboration
• Fixed and Mobile Telephony Capabilities
• Instant messaging and presence
• Video and Screen sharing
Traditional users of legacy offerings in these areas expect always available, highly reliable experiences. As such you want to treat SfB as a first class citizen, alongside other communication and collaboration investments. Priorities should be built on traffic, on a peer level with voice, conferencing and other collaboration tools.
By understanding the environment, you’ll minimise disruptions which can be avoided. When planning a realtime service, it’s key to understand the activities and outcomes that the project needs to take care of.
• Preparation – getting the environment setup right to deliver quality
• Driving User Adoption – helping people understand why this technology change is being made, and what’s in it for them – drive a desire to change and adopt the new platform
• Execute ongoing management – ensure quality and reliability are delivered, and any issues introduced by the service are detected and remediated.
Some activities and outcome are common across all cloud services and some are unique to real time services.
Planning is key to drive a common, shared vision to achieve the business outcome – which minimises surprises.
1. Envision – shared vision of direction
2. Asses – understanding the lay of the land
3. Design – working through the design of the solution
4. Prepare – schedule sites and the types of persona rollout.
5. Plan Operations
Takes place on a site by site basis.
Before any kind of pilot takes place, ensure monitoring and support operations – for clear eyes on the enviornment, and which metrics make up quality, measuring them and what to do if you’re not getting them.
Ongoing long term user experience with adoption, usage and ROI. Identify quality and reliability hot spots and execute remediation.
You plan for new features, expanding sites, Monitor, report, support and run.
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