February 2006 Archives

PARC - still innovating after all this time

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TIPPINST - When we discuss the history of the internet and computing in our software development and multimedia we refer to Xerox Palo Alto Research Center as being the brainchild for some of the technologies that we take for granted such as ethernet, GUI's, laser printing, client/server. The research center is now known as Palo Alto Research Center Incorporated and is still innovating and researching, it has not been confined to history and continues to be at the bleeding edge of technological developments.

A forum that may be of interest to some readers is taking place on March 2nd 2006 titled "High Performance Throughput Computing" This will be published online at http://www.parc.com/events/forum/archive.php There is usually a video and audio format. Here are some details:

High Performance Throughput Computing
Dr. Marc Tremblay, Sun Fellow, Vice President, and Chief Architect, Sun's Scalable Systems Group

This is the first Forum in a three part series exploring the benefits and challenges of Multicore computing. Marc Tremblay will be talking about the performance enhancements achieved using Sun's 8 core Niagara computer chip.

Throughput Computing, achieved through a new generation of microprocessors composed of multiple multi-threaded cores, can lead to performance improvements that are 10 to 30x those of conventional processors and systems. In this talk I will discuss how the value of a robust, high-performance single thread leads to even higher throughput rates. I will also describe some of the techniques we are implementing in future mainstream processors that accomplish the somewhat conflicting goal of attacking both latency and throughput.

More details can be found here

Reducing the tax on Irish Broadband

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TIPPINST - The Irish Business and Employers Confederation (IBEC) have come up with a number of recommendations to stimulate broadband and pc ownership in Ireland. These include:

* Reduction of the VAT rate on broadband services from 21% to 13.5%;
* Introduction of an innovative SME broadband programme;
* Implementation an Employee PC Purchase Programme with an innovative tax model to provide wider access to technology in the home and in society;
* A full review the County and Group Broadband Scheme to ensure a more streamlined approach to broadband roll out in rural areas

I would agree with the reducing the VAT on broadband as it is more akin to a service than a product and should therefore reflect the appropriate VAT rate. Streamlining the county and group broadband scheme is also a good idea as some schemes were approved early in the Summer of 05 while the majority had to wait until Autumn 05. The more cynical people out there pointed out the relationship between the order of schemes announced and key cabinet members constituencies.

The Group broadband schemes are proving to be a success as it allows the communities and the various providers to get on with the job. One of the problems with the scheme however was that providers could not start on the roll out until approval was granted as invoices prior to the approval date would not be considered as part of the scheme. In the future issues such as this and the one mentioned above will hopefully be addressed.

Network processors being utilised in VOIP

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TIPPINST - Its a sign of the times that Network Processors are playing a central role in the delivery of VOIP. This market segment has huge potential for NP manufacturers. One of the first manufacturers of the block is AMCC. AMCC's nP7250 network processors and nPX5710 and nPX5720/25 traffic managers are being utilized in Acme Packet's Net-Net(R) SR (session router) and Net-Net(R) SD (session director) devices.

AMCC's nP7250 offers Layer 2, 3, 4, and above packet and cell processing at wire speed for multi-service cell/packet switching and routing systems in both clear channel (OC-48c) and multi-channel (OC-48, 4xOC-12, 2xGE, 16xOC-3) modes. The nP7250 combines gluelessly with AMCC's traffic manager, switch fabric, framer, MAC, and search coprocessor products.

The two-chip nPX5700 platform is comprised of the 10-Gbps nPX5710 Traffic Manager and nPX5720/25 Data Manager. The nPX5710 is responsible for admission control, scheduling and queuing functions while the nPX5720/25 manages cell payload memory. Each nPX5710 provides one half of a 10-Gbps full-duplex, fully programmable packet or cell processing solution.

Press Release

Survey of the Common frog in Tipperary

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TIPPINST - Now for something completely different. A colleague of mine is involved in carrying out a survey of the common frog in Tipperary.

Tipperary Biological Records Centre is undertaking a major survey of the Common Frog (Rana temporaria) in County Tipperary.

What are they looking for? If you see any Frogs (dead or alive), Frog spawn or Tadpoles please let them know where and when you saw them.

The aim is - to gather information on the distribution of the common frog in Tipperary and to determine which types of habitats are important for breeding and survival.

What will happen the information? Your sighting will be recorded on the Tipperary Biodiversity Data Base. At the moment they have over 3,000 national records with only 75 from Co. Tipperary.

They plan to publish a map of frog distribution in Co. Tipperary. If you send information to them you will be credited in the publication.

You can fill outr own survey card, available from www.tippinst.ie and return it to the address below.

Tipperary Biological Records Centre,
Rural Development,
Department Tipperary Institute,
County Tipperary.
or email : mmaunsel at tippinst.ie

so HOP to it!

Buzzblog - Network world news editor's blog

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TIPPINST -Paul McNamara who is the Network World News editor and writes the NetBuzz column maintains Buzzblog. Network world would feature quiet highly on my list of industry news sources. Paul's topics includes both business and technical and makes for a nice mix. Recommended.

Robocode 2006 - Call for Sponsors

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Tipperary Institute are hosting Robocode 2006 on Thu March 23rd, this is our third year running the event which aims to promote and encourage programming and software development skills. see http://www.robocode.ie for more details.

The competition is open to first year students of third level colleges on the island of Ireland. We will have about 11 colleges taking part this year.

Every year we endeavour to ensure that as many participants as possible bring home some momentos/goodies/prizes. To this end your truly has the unenviable task of organising prizes etc.

If you our your company are interested in being associated with Robocode 2006 through the provision of sponsorship or prizes. Please contact me at lnoonan_blog@yahoo.ie or robocode_team@tippinst.ie

802.11 calculator

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TIPPINST - If you ever had to calculate antenae gain or power settings for your wireless equipment you can appreciate the maths involved. Radio labs have simplified this process with a calculator page. It also includes a fresnel calculator for placement of equipment

IGRP dropped from CCNA material


TIPPINST - Cisco have dropped the IGRP routing protocol from CCNA 2. Cisco is finally acknowledging that their proprietary protocol is past its sell by date. Even though IGRP introduced some nice features it was always dwarfed by the original distance vector protocol RIP.

Cheap Cisco Cables - dantrakuk

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TIPPINST - Our popular CCNA courses, as well as our datacomms and networking subjects has created a demand for short cross over cables DCE/DTE. The standard cisco cables are too long and expensive. Dantrakuk supply 3 ft cross over cables for about 12 - 15 Euro approx. The cables are of good construction and an excellent price.

Network Resilience - is it just a pretty picture?

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TIPPINST --Some times when things go very wrong with a network you may ask your self, "why are we completely cut off?". "Where is our fall back that this nice drawing/map depicts?". Then you discover that the sales people for the ISP know how to draw pretty diagrams, but the engineers never got to implement them.

I have seen this occur at least half a dozen times in the past 10 years, and every time no one can answer or explain, why the pretty picture/ topology did not deliver. The problem with testing your resilience is that no ISP wants to completely cut off a link to demonstrate something to you, as they are afraid they will affect other customers while the links and routes are being recalculated etc.

As part of our networking course in Multimedia and Software development here in Tipperary Institute we examine the whole issue of poison reverse, hold down timers etc and how they facilitate resilience. The only time our students will ever see this in real life will be when something bad happens. It is only then will discover the real resilence of their network.

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This page is an archive of entries from February 2006 listed from newest to oldest.

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