Mobile network automatic tunnels

Details Mobile network automatic tunnels Mobile network automatic tunnels

2006-11-21

2009-12-15

Zewdu, Meless N (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S310000, C370S328000, C370S351000, C370S392000, C370S393000, C455S445000

Reexamination Certificate

active

07633921

ABSTRACT:
In one embodiment, a received data packet is delivered by a routing resource to a tunnel interface resource in response to determining that the received data packet specifies a destination address starting with a prescribed aggregation prefix. The tunnel interface resource computes a home address for a mobile router based on a second address prefix from a start of the destination address, the second address prefix within the prescribed aggregation prefix and having been assigned as reachable by the mobile router, at least a portion of the second address prefix applied to a prescribed mapping function. The tunnel interface resource determines a care-of address for reaching the mobile router based on the corresponding home address calculated by the tunnel interface resource, and encapsulates the received data packet into an encapsulated packet having a destination address field specifying the care-of address, for output of the encapsulated packet toward the mobile router.

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