This whitepaper describes the AlbatrOSS approach to secure and seamless roaming between different administrative domains and different access technologies. It explains what seamless roaming is, what mechanisms are needed to achieve it, and which technologies are suitable to address the requirements. The focus of the paper is on end-user authentication and mobility management within heterogeneous IP-based access networks. The requirements for authentication and mobility are identified, and solutions are briefly described.
Related white papers
Is Now the Time to Migrate to IP Telephony? Re-evaluating the Risks and Rewards
If your business finds itself with one or more aging digital PBXs, you are facing the challenge of deciding when a migration to a new telephony environment makes sense for...
St Helens College Selects RAD's TDMoIP to Deliver Voice and Data to Staff and Students
St Helens College is one of the ten largest colleges in the UK, based in the North of England. The college wanted to provide high quality voice and data services...
RAD's Pseudowire Gateways Reduce Communications Costs
Yorkshire Water has won many awards for customer service and holds the British government's Charter Mark for Service Excellence. The company wanted to reduce leased line costs while retaining proven...
TechNet Webcast: Deploying and Managing Your Unified Communications Devices (Level 300)
Devices are critical for ensuring an excellent voice and video experience. Microsoft Unified Communications (UC) devices, such as Microsoft Office Communicator Phone Edition and Microsoft RoundTable, are plug-and-play devices; hence...
Live Webcast: Telecoms 2.0 - Where is telecoms heading?
UK telecoms is at a crossroads. IT managers face new demands to enable flexible working, deliver converged networks and provide support for multiple applications employing voice, video and media rich...
Choosing the UMTS Air Interface Parameters, the Voice Packet Size and the Dejittering Delay for a Voice-over-IP Call between a UMTS and a PSTN Party
In this paper we develop a methodology to set the VoIP application parameters (voice packet size and dejittering delay) and the UMTS air interface parameters in such a way that...
Empowering Teleworkers through VoIP
The Internet era is creating a real-time economy that lets companies of all sizes break out of the geography box and tap markets and resources anywhere in the world. This...

