Solutions for dynamic NAT and firewall traversal
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
Nov 26, 2010
filing date -
Nov 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Solution methods for ensuring control and data packets to traverse network address translators (NATs) and firewalls, when a mobile terminal acquires a new (Internet Protocol) address and may move behind a new NAT/firewall are provided. These solutions form an integral part of seamless mobility and multipath packet delivery in IP networks. The solution approach decomposes the problem into downstream control-plane, downstream data-plane, and upstream data-plane sub-problems. The solution is scalable as it does not require a new routing infrastructure, except in the case of traversing a symmetric NAT, a middle box is used as a relay
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