Transcript Alternative Backbone Technology

Alternative Backbone
Technology
Presented by: Joseph Piscetta, William Hoffman, John
Finneran, Bonnie Judge, Shawn McCaffrey, Andrew Jobs,
Shane Behmer
Alternative Backbone Technology
 Villanova University plans to replace existing campus
telephone system
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Withdrawn from market – End of Life 5 years ago
Parts are difficult to obtain
 Circuit Switched Network
 Establishes a dedicated connection between two users
before they may communicate
 Packet Switched Network
 Packets are routed between users over data links
shared with other traffic
 Optimizes the use of bandwidth available in a network
Current Data Network
 New Technologies being Evaluated
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Would allow phone calls to be delivered over a
packet switched network like our data network
They require that the data network have a high
degree of fault tolerance
The current data network does not have the
degree of fault tolerance that we need
 The University needs to improve its network’s
redundancy before any upgrades to the
phone system are made
Alternate Path
 Commuting into New York City
 Many alternate paths
 Used Simultaneously
 Active/Active
 Load Balancing
 Resembles a Packet Switched
Network
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Minimizes time it takes to pass
through the network
Increases the strength of
communication
Wireless!
 Our solution calls for the use of Wireless
Technology
 Wireless technology will enable Villanova
University to gain the redundancy needed to
support a Packet Switch Network
 Is this technology feasible for Villanova
University?
Analytical Hierarchy Process
 Goal: Create a reliable, low-cost point to point
redundancy system efficiently and effectively
 Evaluation
 Technological Architecture
 Cost
 Implementation
 Training
 Vendor Viability
Wireless Technologies
 Radio Frequency (RF)
 Uses radio waves to send a signal.
 Not affected by normal weather patterns.
 Can use reserved frequency.
 Signal needs to be tightly focused.
 Free Space Optics
 Uses lasers to communicate between two
points.
 Subject to interference by rain or snow.
 Line of sight more of an issue.
Radio Frequency
 Bridgewave GE60x
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Operates on 60GHz Unlicensed Frequency
Highly secure, narrow antenna beamwidths
$24,900 per link with installation
Used as Primary Campus Link
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The only problem I have encountered was a severe snowstorm which caused
the link to go down but I imagine that would be the case with any such
system. Seattle had the rainiest season on record this past November but
that did not affect the link.- Clint Dicus, Network Engineer, Seattle University
 GigaBeam WiFiber
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Operates on 80GHz Licensed Frequency
$50,000 per link with installation
Used at Dartmouth as primary hospital link.
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GigaBeam's support has been phenomenal. They do not want to see
any hiccups with their service and are out here if there is one. If there is
an occasional outage is it very brief and due to very bad weather. –
David Bucciero, Director of Dartmouth Technical Services
Free Space Optics
 MRV Communication- TereScope 5000
 MRV was the early leader in FSO with 6000 installed
links.
 $32,000 per link, including installation
 Used at schools such as:
 New York University
 UCLA
 Canon- Canobeam DT-130
 Fifteen years in FSO optics, $50 billion dollar company.
 Installation and maintenance arranged by Canon.
 Due to lack of information sharing, we were unable to
fully evaluate Canon
Conclusion
 AHP Model
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Multiple wash criterion
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Lack of separation between alternatives
 Wireless vs. Wired
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Cost of digging vs. wireless installation
No longer an emerging technology
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Good feedback & references
Thank you
Question or concerns?