As the production for Canadian oil sands has increased, Cushing has become a major choke point.
The choke point ripples across the economy, forcing some companies to abandon just-in-time shipping and stockpile goods in case of delays.
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What do you do when you occupy the choke point, the bottleneck?
Financing has been a choke point for the fledging solar industry.
"There's no single 'choke point' to disrupt the service, " he said.
Then there is a second choke point where the cable company aggregates all of this data and there is another one when you actually reach the Internet.
However, all of the data you use, and that of others who are also DSL subscribers, is aggregated at some point along the path, and this point of aggregation is known as a choke point.
If you use a cable modem, your first choke point is much closer to you since you share a maximum amount of bandwidth with other users in your neighborhood, which is why your data rate varies.
But only the United Arab Emirates, with a relatively puny 2.4 million barrels a day, are on the right side of the choke point: on the wrong side are Kuwait, Saudi Arabia, Qatar, Iraq and Iran.
But he also has said that the United States would be able to take steps if Tehran were to attempt to block the Strait of Hormuz, the outlet of the Persian Gulf and a choke point for much of the world's oil.
He says the choke-point remains the local loop, where RBOCs don't need long-distance authority to upgrade their networks.
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