Greening ICT: Part 4; New revenue opportunities for research and education networks

One of the growing challenges for many campuses around the world is how to accommodate the power and cooling requirements of cyber-infrastructure facilities such as high performance computers (HPC) and storage facilities. Increasingly, the costs of the bricks and mortar, power and cooling to house these facilities significantly outweigh costs of the actual cyber-infrastructure equipment. In Canada, for example, many universities who are part of the HPC consortium called Compute Canada will have to make significant investments in the coming year to install and upgrade power and air conditioning systems to host a range of new computation facilities funded at various institutions. The carbon emission impact has yet to be even taken into consideration in many of these plans. The carbon footprint of a modern HPC facility can easily exceed the average use of several SUVs. Researchers and funding bodies need to take into consideration the carbon dioxide emission impact of all these cyber-infrastructure facilities. Building the fastest and best supercomputer regardless of its environmental impact is simply not an option any more. Universities and computing science researchers should be playing a leading role in identifying new cyber-infrastructure solutions which not only address their research requirements but also take into account the carbon emission impact of these facilities. Perhaps deploying energy efficient grids, sharing under-used computational facilities, or utilizing virtual computing is a better answer than building a physical cyber-infrastructure facility at every campus. We also need to address the ongoing proliferation of computer clusters throughout various computer departments. Unfortunately, most of these departments don't pay for the power and cooling costs associated with these facilities, and so don't appreciate their true impact on the overall energy use of the university or the associated carbon emissions. For example, using Amazon's EC2/S3 service in many cases can be cheaper than the power costs alone of a modern computational cluster, never mind the operational and overhead costs of operating such a facility. Embracing and profiting from carbon offsets This is where regional and national research networks can play an important role. There are now many carbon offset companies who will audit programs that are designed to reduce carbon emissions. They will also broker payment of real dollars for the carbon reductions that result from the program. If an organization sets up a tele-commuting program and demonstrates real and auditable reduction in carbon emissions it can earn revenue through the sale of carbon offsets to energy companies and other organizations. A good example is where IBM is working with a carbon offset company which is offering up to $1 million in carbon offsets for organizations to move away from their physical servers to high energy efficiency virtual servers operated by IBM. Research and education (R&E) networks, like CANARIE, are ideally positioned to negotiate and implement these carbon offsetting solutions. Network organizations are essential for implementing any carbon offset strategy. As well, the carbon impact of an optical R&E network is miniscule compared to the carbon footprint of many HPCs and other facilities. The more we can use network bits and bandwidth for advanced science instead of physical facilities, the greater the potential for earning valuable offset dollars, and the better the science community will be served. Another potential carbon offset revenue opportunity is with distance learning and tele-medicine. Although the jury is still out on the pedagogical value of distance learning, encouraging students to undertake some of their course program work at home can be just as effective as tele-commuting in terms of earning carbon offset dollars. The same goes for tele-medicine. If companies can earn carbon offset dollars to implement telecommuting programs, universities and R&E networks should be able to earn carbon offsets for offering distance learning and tele-medicine programs. Finally, R&E optical networks have an important role in redefining the entire value chain of the network itself, with many R&E networks being largely underutilized in terms of traditional measures of traffic volumes. But nobody yet has measured the carbon impact of these various optical, wavelength and customer-owned networks. I would argue that the carbon footprint of dark fibre, wavelengths and customer-controlled networks with optical switches is significantly less than a traditional carrier with expensive high end switches and (especially) routers which collectively consume the power of a small nuclear reactor. Universities should be at the forefront in our society in finding solutions and new business models to address global warming. At a minimum, they should not be the worst offenders in terms of all these high carbon emission cyber-infrastructure facilities that are now being deployed at our campuses. Bill St. Arnaud is chief research officer at CANARIE Inc. and a passionate advocate of green broadband. To learn more visit his blog at : http://green-broadband.blogspot.com/

Greening ICT: Part 4; New revenue opportunities for research and education networks

News | 04/24/2008 9:15 pm EDT

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