Google Tech Talks
January, 14 2008

ABSTRACT

The SIP-based IP Multimedia Subsystem (IMS), while recently introduced, has become one of the primary distinguishing features of the next generation of mobile telecommunication systems. IMS allows mobile operators to offer advanced value-added services – like VoIP, so-called push-to-media, video, interactive gaming, and mobile banking – to their customers timely and efficiently. Google’s plans to enter the wireless world open up a world of possibilities for offering customers and businesses advanced services such as targeted location-based services and advertisements through the IMS framework.

Deploying IMS, however, is a non-trivial task. The core challenge for the telecom industry has been and will be the integration of the current radio access network (RAN) and IP transport infrastructure with the IMS domain. Within standardization bodies, efforts are underway to address the issues for call setup and mobility signaling, while developing unified user profile management and Quality of Service (QoS) architectures. The real goal is a standardized, IMS-centric, end-to-end unified signaling architecture.

To this end, this presentation provides an overview of IMS and QoS signaling over integrated RAN and IMS domains. By using an exemplary family media service, aspects and specifics of the end-to-end QoS invocation, control and policy enforcement, including roaming scenarios, are demonstrated. Based on laboratory measurements performed at Sprint-Nextel aided with simulations, the Post Dial Delay (PDD) delay is evaluated and some practical recommendations for delay reduction are presented. The presentation will conclude with discussion of open issues and viable solutions. This presentation should be of interest to Googlers who work on mobile related projects and intend to have a big picture of next generation mobile systems such as application development, and service and system integration with wireless operators.

This presentation is based on the article S. Zaghloul, A. Jukan, W. Alanqar: “Extending QoS from Radio Access to all-IP Core in 3G Networks – An Operator’s Perspective,” IEEE Communications Magazine, Sept 2007.

Speaker: Said Zaghloul
Fulbright alumnus and former Telecommunication Design Engineer at Sprint-Nextel
Research Staff Member, PhD Candidate
Institute of Computer and Communication Network Engineering
Technical University Carolo-Wilhelmina of Braunschweig, GermanyDuration : 0:56:30

Google Tech Talks
October 5, 2006

William J. Dally

Bill Dally is the Willard R. and Inez Kerr Bell Professor of Engineering and the Chairman of the Department of Computer Science at Stanford University. Bill and his group have developed system architecture, network architecture, signaling, routing, and synchronization technology that can be found in most large parallel computers today.

ABSTRACT
High-radix interconnection networks offer significantly better cost/performance and lower latency than conventional (low-radix) topologies. Increasing radix is motivated by the exponential increase in router pin bandwidth over time. Increasing the radix or degree of a router node is a more efficient…Duration : 1:4:46

Brief description of SONADuration : 0:1:11

La Piscine – les caillebotisDuration : 0:1:16

La Piscine – l’étape de construction par le weekendDuration : 0:1:28

La Piscine – 2ème étape de constructionDuration : 0:1:41

Discussion on Collaborative Architecture with John Gage, Director of Science & Sun Founder and Cameron Sinclair, 2006 TED Prize Winner and Co-Founder & Executive Director of Architecture for Humanity and Open Architecture Network.
(more)Duration : 0:0:44

Hurricane Katrina Relief
Architecture for Humanity
Biloxi Model Home Program
Marlon Blackwell Architect
Model by Keystone Bouchard
for Open Architecture NetworkDuration : 0:1:33

This is a video from the EU-IST funded Amigo project. The Amigo project develops an open service oriented middleware architecture for context-aware networked home environments. This video envisions a day in the life of a family living in such an intelligent home environment.Duration : 0:9:45

This is an animation I have made in my fourth year at Unitec, studying for a Bachelor of Architecture. It is my final animation for my design during studio. I designed a complex consisting of 3 hubs (information, transit and digital), focusing on the information (library) hub. There are two spelling errors- my bad.Duration : 0:6:57