Arrangement and method for delayed re-allocation of addresses

Electrical computers and digital processing systems: multicomput – Computer-to-computer data addressing

Reexamination Certificate

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Details

C709S249000

Reexamination Certificate

active

07925787

ABSTRACT:
The present invention relates to an arrangement, in a communications network, for allocating addresses to users or clients connecting to the network. It comprises at least one address holding means holding a plurality of addresses and allocating control means for, from said address holding means, allocating addresses to the users or clients, and for detecting when an address is released or when a user or a client allocated an address disconnects. It further comprises, for each pool of addresses, delay means for allowing control of the minimum time period to lapse before an address having been allocated to a user is reused, i.e. again allocated to a user, such that a minimum time period before reuse of each address can be guaranteed.

REFERENCES:
patent: 6240464 (2001-05-01), Fijolek et al.
patent: 6246670 (2001-06-01), Karlsson et al.
patent: 6618757 (2003-09-01), Babbitt et al.
patent: 2001/0048686 (2001-12-01), Takeda et al.
patent: 97/48246 (1997-12-01), None
patent: 99/21379 (1999-04-01), None
RFC 2131—Dynamic Host Configuration Protocol (DHCP), Mar. 1997.
R. Droms, Dynamic Host Configuration Protocol, Network Working Group, RFC 2131, Mar. 1997.
Interntional Search Report from corresponding PCT application PCT/EP04/05697.

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