North American Network Operators Group|
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Internet assessment - Sept 12 2001
The day after. As always the priority is on the continuing rescue efforts, and for the families of the victims. Power problems are the concern for Internet services on the second day. Internet reach ability appears to returned near normal, with certain localized exceptions around New York City and circuits through New York City to Germany and other European locations. Rescue efforts may impact the network as debris must be moved or demolished. Reportly some carriers are operating on half-rings now, so additional damage could result in more service disruptions. Verizon lost 10 cell sites, Cingular Wireless lost 6 cell sites. Some cell sites were down to to power outages, some because the land lines connected though equipment in the World Trade Center towers. Verizon and Cingular are deploying additional mobile cell sites where possible, and permitted by authorities. Verizon has re-programmed Verizon owned payphones in Manhattan, providing free local telephone calls. Sprint and ATT Local Services had equipment in/near the World Trade Center. Sprint reports several circuits are down, ATT Local Service reports their equipment survived the inital collapse until the battery plant was exhausted. 25 Broadway is still on generator. 32 Old Slip is back up on generators, after being down overnight. Fuel deliveries may or may not be allowed by emergency authorities. Much of it depends on the conditions of the streets and safety of rescue works. I don't have any first-hand reports from 60 Hudson, but everything appears to be working. The New York City web site www.nyc.gov seems to be down, congested or has routing problems. I can't reach it from any network I have access. Access below 14th street is still restricted. ISP engineers may or may not be allowed access to facilities in lower Manhattan. You should contact the building owner for any special access requirements. The dust in the air creates problems keeping the generators going. If prolonged run-times are required, its likely they will need to be shutdown for maintenance (filter changes, oil changes, etc). This could result in periodic outages of a few hours. The suspension of flights has also meant the suspension of spare parts. Equipment failures (i.e card failures, chassis failures, etc) requiring replacement parts will require swapping parts with other ISPs locally or waiting until deliveries resume. Most circuit repair activity in Manhattan has been suspended, except for emergency circuits to hospitals and similar emergency response locations. ISPs rarely have restoration priority on their circuits, so any circuit failures should be expected to continue for a long-time. Facility based carriers are not subject to restoration priority for their own circuits. However, restoration priority rules apply to any customer circuits of those carriers, including other carriers or ISPs. Several ISPs, Internet colocation facilities and other service providers have offered assistance where possible in New York City, and other locations. I expect most companies are willing to make special arrangements where possible.