Termination of network connections in absence of a dynamic...

Details Termination of network connections in absence of a dynamic... Termination of network connections in absence of a dynamic...

2007-06-08

2010-10-12

Vu, Huy D (Department: 2461)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S474000

Reexamination Certificate

active

07813376

ABSTRACT:
A network access device is described that uses a modified lower layer two (L2) software interface that is enhanced to operate as a proxy for a dynamic upper L2 software interface when the upper L2 software interface has been torn down, i.e., terminated unbeknownst to a subscriber device. The lower L2 software interface may, for example, be extended to incorporate certain features of the upper L2 software interface to detect such a condition. In the absence of the upper L2 software interface, the lower L2 interface may output a simulated termination request on behalf of the upper L2 interface and in accordance with the upper L2 protocol.

REFERENCES:
patent: 2002/0167909 (2002-11-01), Balazinski et al.
patent: 2007/0195780 (2007-08-01), Cabeca et al.
D. Grossman et al., “Multiprotocol Encapsulation over ATM Adaptation Layer 5,” RFC 2684, The Internet Society, Sep. 1999, 20 pgs.
U.S. Appl. No. 11/402,145, filed Apr. 11, 2006, entitled “Dynamic Building of VLAN Interfaces Based on Subscriber Information Strings,” by Cabeca et al.
U.S. Appl. No. 11/540,923, filed Sep. 29, 2006, entitled “Forwarding Traffic to VLAN Interfaces Built Based on Subscriber Information Strings,” by Vinokour et al.
D. Grossman et al., “Multiprotocol Encapsulation over ATM Adaption Layer 5,” RFC 2684, The Internet Society, Sep. 1999, 20 pgs.

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