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STPS2L40U Datasheet | STMicroelectronics
Part No. : STPS2L40U
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The following is the IPSec tunnel mode operation example. A host of a network generates an IP packet, the destination address is another network host B. This packet is sent from the originating host to host a secure network edge router or firewall. Firewall packet filtering all out to see which packages need for IPSec processing. If the packet from A to B need to use IPSec, firewall for IPSec processing, and the net bag pack, add the outer IP header. The outer header source address is a firewall, and host B destination address may be the edge of the network firewall. Now the package delivered to the host Bs firewall, the router checks only way the outer IP header. B will host the networks firewall to get rid of the outer IP header, the IP sent to the host B to the inner layer.
Microsoft Chief Research and Strategy Officer Craig? Mundie said: "IDCs research quantifies the software to help the world, including developed country markets for developing country markets and create local employment opportunities and promote global economic growth, tremendous energy. In 2007, Microsoft and its partners in the global ecosystem composed of more than fourteen hundred people employed, and to governments around the world contributed more than 5,000 billion dollars in tax revenue. Microsofts pursuit of cooperation and win-win business model such that: each of its income in the world $ 1, to help its global partners on average get more than 7 U.S. dollars in revenue. in China, India and Russia and other countries, this figure is more than 1:16. "

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