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Broadcom Speaker Series "Time Sensitive Networking: When “Best Effort” Isn’t Enough"

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What
  • Visitor Seminars
When Feb 29, 2012
from 01:00 PM to 02:00 PM
Where Engr. IV Bldg., Tesla Room 53-125
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Michael Johas Teener

Broadcom Corporation

 

Abstract:

Ethernet, WiFi and other IEEE 802-based network technologies have been hugely successful in a vast number of connectivity applications, but until very recently, there was no way to provide critical time sensitive services in those networks. The result has been a proliferation of specialized networks and connectivity systems for audio/video and real time control applications. This lack of integration is in the process of being remedied by the creation of an IEEE 802 architecture for "time sensitive networking" based on three major advances:

1) Universal time synchronization - or "time awareness" by the network infrastructure. Devices on the network, including switches and routers, can be synchronized very precisely via the IEEE 1588 and IEEE 802.1AS "precision time protocol" standards.

2) Time sensitive queuing and forwarding in all devices to provide lower, and guaranteed, delays for time-sensitive data.

3) Bandwidth and latency reservations so that the time-sensitives queues in the network do not overflow and packets are not dropped.

This presentation will briefly summarize the use cases for time sensitive networking, outline the state of the art, and give a comprehensive overview of the methodologies used in the new standards, including some test results from early implementations. References to various standards, papers, presentations and implementations will be included in an annex.

 

Biography:

Michael Johas Teener is currently a Senior Technical Director at Broadcom with major responsibilities for time-sensitive and high performance/low cost network technologies.  From 2002 to 2004, he was Plumbing Architect at Apple, a title that he also held from 1988 until 1996. Between his two stints at Apple, he was Chief Technology Officer of Zayante, Inc., a FireWire technology provider he co-founded in 1996 acquired by Apple in 2002. He was the chief architect of Apple's Firewire technology, and was a major contributor to much of the technology now consolidated under the 1394 standards. His career began in Santa Monica doing simulation, real-time software and computer hardware design for very leading-edge radar and sonar systems, and was later the primary hardware architect for two early digital PBXs (including the first use of Ethernet in a distributed telephone switching system).

He is the chair of the IEEE 802.1 Audio/Video Bridging Task Group, the co-chair of the IEEE 1722.1 Discovery, Enumeration, Configuration, and Control Working Group, the former chair and editor of IEEE Std 1394-1995, the originator and editor of IEEE Std 1394b -2002 gigabit/long distance supplement, and the chair and editor of IEEE Std 1394c-2006 gigabit/CAT5 supplement. In 2009, Mr. Johas Teener received the IEEE Standards Medallion for "exceptional leadership, clarity of vision, and perseverance in the effort to develop and standardize IEEE 802.1 Audio/Video Bridging".

Mr. Johas Teener received a BS from Caltech in 1971, an MS from UCLA in 1976, and holds 29 patents (and over 20 more in process), mostly related to telecom, FireWire, and time sensitive networking.


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