Packet forwarding apparatus suitable for forwarding extended...

Details Packet forwarding apparatus suitable for forwarding extended... Packet forwarding apparatus suitable for forwarding extended...

2011-04-12

2011-04-12

Hoang, Thai D (Department: 2463)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C370S468000, C370S470000

Reexamination Certificate

active

07924882

ABSTRACT:
A packet forwarding apparatus (L2SW) having a frame segmentation function of converting a extended Ethernet frame such as a MAC-in-MAC frame into a plurality of fragment frames when a payload length of the received frame exceeds a standard MTU size communicable in an Ethernet network to be a forwarding destination, by segmenting the received frame into a plurality of data blocks having a size not longer than the MTU size, and a frame assembling function of restoring an original extended frame from a series of fragment frames received from the Ethernet network.

REFERENCES:
patent: 7130303 (2006-10-01), Hadzic
patent: 7752324 (2010-07-01), Hamadeh et al.
patent: 2006/0285548 (2006-12-01), Hill et al.
patent: 2007/0118677 (2007-05-01), Swartzentruber et al.
patent: 2008/0095368 (2008-04-01), Iida et al.
patent: 2008/0138067 (2008-06-01), Beshai
“An outline of next-generation wide-area Ethernet standard IEEE802.1ah”, NTT Technical Journal, Jan. 2006.
“An outline of IEEE 802.1ah provider backbone bridge”, NTT Technical Journal, Apr. 2006.

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