The Coast-To-Coast Seminar and Remote Mathematical Collaboration
Total Page:16
File Type:pdf, Size:1020Kb
REPRINTED FROM: HPCS 2007 1 The Coast-to-Coast Seminar and Remote Mathematical Collaboration Jonathan M. Borwein,David Langstroth, Mason Macklem and Scott Wilson, Dalhousie University Veselin Jungic, Simon Fraser University (Invited Paper) Abstract —We describe a shared Simon Fraser University could be done in terms of high-quality content-driven com- (WestGrid) and Dalhousie (ACEnet) seminar series which munication using this new infrastructure. is now two years old, and is gradually expanding to include other Canadian universities. More generally we discuss cur- In late 2003, as WestGrid was built and began to pop- rent and future uses of AccessGrid and related technology ulate its network with users from each member univer- as a production environment. sity, the CoLab research group moved to the Faculty of Index Terms—Remote collaboration, video conferencing, Computing Science at Dalhousie, to construct a new re- AccessGrid. search environment called D-Drive (for Dalhousie Dis- tributed Research Institute and Virtual Environment), and I. Introduction with an additional goal of assisting ACEnet, a WestGrid- style shared network to connect universities throughout The C2C Seminar (short for Coast-to-Coast) is a sem- the Atlantic Provinces. During this same period, the Co- inar run jointly at universities throughout Canada, from Lab environment at Simon Fraser was replaced by a much Simon Fraser University in British Columbia, to the Uni- larger working environment called IRMACS (for Interdisci- versity of Calgary and the University of Saskatchewan in plinary Research in the Mathematical and Computational the West, to Dalhousie, Memorial and other universities Sciences). Once D-Drive and IRMACS were completed, in the Atlantic Provinces. This seminar is simulcast to the potential for a cross-Canada video-conference was ob- all sites via the AccessGrid video-conferencing software, vious, and since 2005 the C2C seminar has enabled audi- and each seminar provides opportunities for questions and ences from throughout Canada to attend lectures by dis- comments from all of the remote locations. tinguished speakers from across the country. The concept of the C2C seminar first originated within In this paper, we will discuss the structure of the WestGrid out of work at Simon Fraser University on an C2C seminar, and will finish by briefly outlining related interactive lab and seminar environment called the CoLab projects, both within Canada and internationally, specifi- (for Collaborative Lab). This lab included a number of cally in the United Kingdom and Australia. We will also tiled touch-sensitive wall-mounted computer monitors, and provide details for how interested people can connect to was used for running courses and meetings, often remotely this seminar from their own local university. A fuller dis- in cases where speakers were unable to attend the events cussion of much of this material can be found in a forth- personally. As WestGrid progressed, the goal was to have coming book-chapter [9]. similar ‘grid-rooms’ at each member university, to serve as local communication points for researchers who were work- II. C2C Seminar: Structure and Content ing together on the WestGrid cluster from different institu- A. Structure tions; for interaction amongst and with technical support staff; for administrative purposes and much more. In order The Coast-to-Coast Seminar is an hour-long presenta- to promote the resources that were available via WestGrid, tion given on a topic from mathematics or computational a semi-regular event needed to be organized to show what science and made accessible to audiences at a number of remote sites through collaboration technology. Seminars J.M. Borwein is with the Faculty of Computing Science, Dal- are held every two weeks throughout the academic year al- housie University, Halifax, Canada,. Phone: +1 650 723–4769, e- ternating between Western Canada and Atlantic Canada1. mail: [email protected] Initially the Western and Eastern sites were IRMACS and D. Langstroth is with the Faculty of Computing Science, Dal- housie University, Halifax, Canada,. Phone: +1 650 723–4769, e- D-Drive exclusively, but as the series grew, and included mail: [email protected] other universities, presentations in the series have also M.S. Macklem is with the Faculty of Computing Science, Dal- come from Edmonton and Calgary in the West, and from housie University, Halifax, Canada,. Phone: +1 650 723–4769, e- mail: [email protected] Acadia, St. Francis Xavier and Math Resources Inc (a S. Wilson is with the Faculty of Computing Science, Dalhousie University, Halifax, Canada,. Phone: +1 650 723–4769, e-mail: 1 The current absence of Ontario and Quebec is not intentional, [email protected] and has arisen in part due to the nature of the presence of the Access V. Jungic is with the Department of Mathematics, Simon Fraser Grid technology on the WestGrid and ACEnet networks. As simi- University, Burnaby, Canada. Phone: +1 604 291–3331, e-mail: larnetworksaresetupinOntarioandQuebec,welookforwardto [email protected] participation from universities from these two provinces. 2 REPRINTED FROM: HPCS 2007 Halifax-based educational mathematics software company) Hyperthreading Considered Vulnerable. in the East. In early 2007 presentations are also planned The presentations to date in the C2C seminar have been from the University of Lethbridge, Memorial University of a mix of mathematical and computational talks, with a Newfoundland and University of New Brunswick, among wide variety of topics within each field. Past talks include: others. • Ron Fitzgerald (President, Math Resources Inc), Audiences for a presentation are located at one or more Learning Infrastructures and Content Authoring - discrete sites at universities across Canada. The collabora- March 2006, presented from the Halifax offices of tion technology enables two way audio and video communi- Math Resources Inc. cation as well as a shared desktop. Thus a presenter is not • Przemyslaw Prusinkiewicz (Computer Science, Uni- only audible and visible to the audience, but can also re- versity of Calgary), Computational Biology of Plants - spond to a raised hand, answer a question or interact with February 2006, presented from the University of Cal- an individual at remote sites through a shared application. gary The number of sites has increased to eight for an average • Jonathan Schaeffer (Computing Science, University of presentation, with the promise of more participants in the Alberta), Solving Checkers - January 2006, presented future. from the University of Alberta To set the stage for the presenter, we describe an out- • Arvind Gupta (Computing Science, Simon Fraser line of what a typical seminar entails. The actual presen- University), The Inverse Protein Folding Problem - tation is expected to be of a high quality, yet accessible November 2005, presented from IRMACS to a fairly general scientific audience. Accordingly, they • Peter Borwein (Executive Director, IRMACS, Si- are widely advertised and attract audiences beyond the mon Fraser University), The Riemann Hypothesis - realms of mathematics and computer science, depending September 2005, presented from IRMACS on the presenter’s topic. We emphasize that we may have • Jonathan Borwein (D-Drive Director, Computer Sci- three or thirty people at one or other of the sites, and that ence, Dalhousie University), Mathematical Visualiza- typically perhaps 60 to 80 people hear each of the talks. tion and Other Learning Tools - September 2005, pre- No one has to come just to ensure a respectable audience sented from D-Drive as is often the case in a departmental colloquium, although Following the success of the C2C Seminar Series over with the distributed nature of the seminar occasionally the the 2005-2006 academic year, we hosted a more intensive audiences may be small at one or two of the remote sites. distributed event, The Coast-to-Coast Miniconference on The main goal of the seminar is to give an opportunity the Mathematics of Computation. This day-long event to scientific communities from various Canadian universi- consisted of a series of six speakers, alternating between ties to collaborate and share their interests. We aim at IRMACS, the University of Calgary, and D-Drive. The an environment which is no less familiar than a new semi- event was attended by audiences in each of these locations nar room. As Ron Fitzgerald crisply puts it, “No one has as well as in some of the other remote sites, according to to explain chalk.” That said, we follow a fixed protocol interest and availability. Since then we have also experi- each time. Roughly 30 minutes before the seminar starts, mented with shared open houses and other ways to expe- designated individuals from each site confirm that all fa- rience ‘presence-at-a-distance’. cilities are working at all sites. An introduction of all sites III. Technical Overview and of the speaker is made from the speaker’s site. The speaker’s presentation is approximately 45 minutes long The technology behind the Coast-to-Coast Seminar is a and is followed by a question and answer (Q&A) session combination of open source software, standard PC hard- with all sites. The Q&A session starts with local questions ware, and audio/video components. The structure is a and then rotates through the remote sites. As with a face- client/server architecture, in which individual sites authen- to-face seminar, the host determines when to stop—and a ticate to a central coordinating server, with audio, video, good host has a first question to start things off with. and presentation data shared between all sites. The choices for the specific technology used in the Coast- The seminar organizers chose to standardize on Argonne to-Coast seminar arose out of two test sessions held during National Labs Access Grid (AG) software as the video- the summer of 2005. The first session consisted of several conferencing suite [1], [2], [7], [8], [10]. This selection was short presentations that ran from both IRMACS and D- made for three primary reasons: Drive and were given by graduate and undergraduate stu- • AG is quite flexible in site configuration, allowing full dents.