IEEE Consumer Electronics Magazine - March/April 2020 - 66
Bits versus Electronics
apartment. If you are in an apartment you may
also want to participate in a resource management plan for the building and run the dryer
only when the price for electricity is low. A
device may be in multiple communities.
The electronic equivalent of a membership
card for the community is a shared secret. The
actual implementation could be nuanced with
different degrees of capabilities, but we want to
allow for the simple case-one just as simple as
to assume if two devices are plugged into the
same network, they can trust each other.
Since you are not dependent upon which
physical network you are connected to, you do
not need an on-boarding process that involves
connecting to the right access point. What we do
need is open connectivity. One part of this can
be achieved by having a public face on the standard router that provides access to the larger
Internet as well as peer devices nearby.
Prisoners of Our Own Device
Accepting this idea does require getting past
the notion that you are "stealing" Wi-Fi if you are
using someone's Internet connection. Xfinity
already offers a form of this for its users-open
access available on the access points it provides.
Public policy should require having an open
access option for APs even if only for public safety.
The idea of providing open connectivity goes
against the traditional (legacy) business model of
telecommunications that's built on the false idea
that bits are expensive. This is why I take pains to
remind readers that bits are not electrons.
It also goes against the idea we need a physical security perimeter. The reality is just the
opposite-once those walls are breached, there
is no safety. And the onboarding process invites
workarounds that create their own vulnerabilities. By having communities of cooperating
66
devices independent of the accidental properties of the underlying physical network, we can
have application-appropriate policies with
meaningful trust. Compromising one device on a
network does not affect other communities.
The Internet has been such a powerful force
because it has allowed us to take advantage of
any available connectivity and create our own
solutions. You just type in a URL and arrive at
the web page.
We are now ready to take the next step and
enable peer connectivity among communities of
devices. For programmers, just naming the other
device means you are effectively connected. No
futzing with sockets and firewalls etc. This is
even more true for users-their devices justwork anywhere without any setup.
The issue of communities and naming is fundamental even in something so simple as which
light bulbs (light sources) are part of the living
room (a physical place) or the Halloween scene
(a logical grouping).
The ability to think in terms of communities
rather than complexing wiring and networking
issues is exciting and enables new classes of
applications that have an even great impact on
society than the web. The uses in healthcare
alone can save many lives.
As we move into a world of connected devices the consumer industry can no longer accept
the pain of onboarding and move to create great
experiences for users.
Bob Frankston is currently with the Microsoft Corporation, Redmond, WA, USA, where he was instrumental in enabling home networking. Today, he
is addressing the issues associated with coming
to terms with a world being transformed by software.
He is best known for writing VisiCalc-the first
electronic
spreadsheet.
Contact
him
at
IEEECE201911@bob.ma.
IEEE Consumer Electronics Magazine
IEEE Consumer Electronics Magazine - March/April 2020
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