its.unc.edu Mobility and Personal Computing Michael Barker, Ph.D. Assistant Vice Chancellor and Chief Technology Officer University of North Carolina at Chapel Hill

its.unc.edu 2  Mixture of communities Residential students Off-campus students Privileged access workers, onsite and remote Non-privileged access workers, onsite and remote Guests  Mixture of contexts “Academic Use” – e.g., classrooms, laboratories “Administrative Use” – e.g., registration, payroll, fee payment “Guest Use” – e.g., parents, donors, vendors  Mixture of “businesses” The Environment

its.unc.edu 3 Key trends, undergraduates  84% of undergraduates own a laptop; only 46% own desktops  Average 21.2 hours per week on internet  Handhelds 63% own an internet capable handheld (51% in 2009) 67% of those use it to access the internet at least once a week (29% in 2009, 43% in 2010) 77% who own an internet capable handheld, use it to access social networking sites  Cloud 36% have used web-based productivity application 33% use wikis SOURCE: ECAR Study of Undergraduate Students and Information Technology 2010 (October 2010)

its.unc.edu 4 Student usage trends  Daily use of text messaging Increasing 53% (2008); 66% (2009); 73% (2010)  Daily use of instant messaging (e.g., Jabber, AOL, Yahoo, MSN) Decreasing 48% (2007); 33% (2008); 28% (2009); 24% (2010)  Daily use of social networking sites Increasing 49% (2007); 57% (2008); 61% (2009); 59% (2010) SOURCE: ECAR Study of Undergraduate Students and Information Technology 2010 (October 2010)

its.unc.edu 5 Some wireless numbers  Wireless Access Points Approx 2000 at present approx 5000 needed for pervasive coverage (excluding residence halls)  Devices: distinct devices  Concurrency Peak last academic year: 10,021 distinct users Peak so far this academic year: 13,409 distinct users  Bandwidth Peak aggregate outgoing so far: 129 Mbps Peak aggregate incoming so far: 536 Mbps

its.unc.edu 6 Challenges  Security E.g., laptop with ~16,000 viral signatures Leakage of sensitive data Policy protections / guidance  Exposing same services in various delivery modalities Directory search Add/drop Course management system Etc…  E.g., one person with 4 mobile devices (or 5)  Pervasive cellular versus pervasive wireless, versus both  Next generation voice services

its.unc.edu 7 Strategies  Distributed Antennae System (and “Neutral Hosting”) “personal” wireless will continue to grow in cellular networks “business / academic / administrative” wireless will continue to grow in networks  Bring (some of) your tools: faculty / staff cell phone stipend…  Design/architect for remote users Remote capability for privileged access users the greatest challenge Exposing services across network borders, to multiple platforms next greatest challenge  No other choice but to support standards and protocols, not specific devices nor specific mobile operating sys

its.unc.edu 8 Cell phone stipend  Forcing conceptual review/analysis On-call Mobile worker  Remote wipe/erase  Modem cards  Tablets, netbooks, etc.  Porting numbers Personal Business  Erosion of traditional landlines, or not…

its.unc.edu 9 Things to consider  What is king? Contents? Applications? Media?  Public Privacy Is there a mobile watercooler? Of special concern for public entities Public records, and “fixing” to a “medium”  Context commingling Location no longer determines context Does content drive context? Does source / target drive context?

its.unc.edu 10 And more things to consider  Communications across modalities SMS text Browser Thick-client, mobile-style…  Technology-transformation and social-movement 40 years (1970s) SMS: years (1990s) http: years (1990s)

its.unc.edu 11 To infinity and beyond  Mobile-2-mobile Pacemaker data Medical alerts Where is your car?  Data/persona portability  DRM for business-owned content