Title:
POLICY CO-ORDINATION IN A COMMUNICATIONS NETWORK
Document Type and Number:
WIPO Patent Application WO2003047162
Kind Code:
A8
Abstract:
In order to address the problem of allowing a GGSN 16 of a UMTS core network to work towards multiple Policy Control Functions (PCFs) 17 co-located with P-CSCF nodes 18 using the COPS protocol, a policy control function coordinator (PCF-C) 15 is implemented between the GGSN 16 and the P-CSCF 18. A single COPS connection is established between the GGSN 16 and the PCF-C 15, whilst a COPS connection is established between the PCF-C 15 and each of the P-CSCF nodes 18. Decisions made at the PCFs 17 are routed to the GGSN 16 via the PCF-C 17, and responses generated at the GGSN 16 are routed to the appropriate PCFs 17 via the GGSN 17. This architecture avoids conflicts which might otherwise arise with the COPS protocol.
Inventors:
WILLIAMS BRIAN (AU)
GRAF LESLIE (AU)
HOLLIS MARK (AU)
RYTINA IAN (SE)
GRAF LESLIE (AU)
HOLLIS MARK (AU)
RYTINA IAN (SE)
Application Number:
PCT/IB2001/002796
Publication Date:
October 23, 2003
Filing Date:
November 28, 2001
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
WILLIAMS BRIAN (AU)
GRAF LESLIE (AU)
HOLLIS MARK (AU)
RYTINA IAN (SE)
WILLIAMS BRIAN (AU)
GRAF LESLIE (AU)
HOLLIS MARK (AU)
RYTINA IAN (SE)
International Classes:
H04L12/24; H04L12/56; H04L29/06; H04L29/08; H04W76/02; H04W80/00; H04W84/04; H04W92/24; (IPC1-7): H04L29/06
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