This post does not really relate to most of the others on this blog. But I just finished a meeting with some network architects for a subway (Metro) system located outside of the United States. What I learned was remarkable. I have changed some of the numbers to protect the privacy and security of the city. Look at these numbers:
- 45 Metro stations
- 160 CCTV color cameras in every station
- Each camera uses 2Mbps of bandwidth or 320Mbps per station
- Archiving of all CCTV cameras for thirty days
- Wireless access for passenger use in every train car and the stations
- Electronic ticketing and transactions
- Train management via network
When you own the tunnels, you have your own fiber for a network of this nature. None-the-less, the bandwidth being managed on this single network is remarkable for anyone who appreciates networking!
