WO2001047297A2 - Methods and systems for routing messages in a telecommunications network - Google Patents
Methods and systems for routing messages in a telecommunications network Download PDFInfo
- Publication number
- WO2001047297A2 WO2001047297A2 PCT/US2000/034924 US0034924W WO0147297A2 WO 2001047297 A2 WO2001047297 A2 WO 2001047297A2 US 0034924 W US0034924 W US 0034924W WO 0147297 A2 WO0147297 A2 WO 0147297A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- message
- database
- routing
- address
- hlr
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/18—Service support devices; Network management devices
- H04W88/184—Messaging devices, e.g. message centre
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0025—Provisions for signalling
Definitions
- Figure 4 is a network diagram illustrating a prior art GSM wireless telecommunication network architecture.
- flexible routing node 302 includes a high speed Interprocessor Message Transport (IMT) communications bus 304.
- IMT bus 304 Communicatively coupled to IMT bus 304 are a number of distributed processing modules or cards including: a pair of Maintenance and Administration Subsystem Processors (MASPs) 306, an SS7 enabled Link Interface Module (LIM) 308, an IP enabled Data Communication Module (DCM) 336, and a G-FLEXTM Database Module (GDM) 322.
- MASPs Maintenance and Administration Subsystem Processors
- LIM Link Interface Module
- DCM IP enabled Data Communication Module
- GDM G-FLEXTM Database Module
- LIM 308 is comprised of a number of sub-components including, but not limited to: an SS7 MTP level 1 and 2 layer process 310, an I/O buffer or queue 312, an SS7 MTP level 3 layer HMDC process 314, and an HMDT process 316.
- MTP level 1 and 2 layer process 310 provides the facilities necessary to send and receive digital data over a particular physical media / physical interface, as well as to provide error detection / correction and sequenced delivery of all SS7 message packets.
- I/O queue 312 provides for temporary buffering of incoming and outgoing signaling message packets.
- the flexible routing node of the present invention is configured to recognize certain SSN values as indicating the need for a particular type of G-FLEXTM translation service.
- signaling messages requiring routing database processing are first serviced by the exception-based G-FLEXTM database. That is, a lookup is performed in the G-FLEXTM database based on either the IMSI or MSISDN number associated with the incoming signaling message packet.
- the appropriate routing data is returned by the G-FLEXTM database and the signaling message packet is modified accordingly before further routing. No secondary search of the block-based GTT database is required in such a case.
- a secondary search is performed in the range-based GTT database.
- a signaling message is formulated and transmitted to the flexible routing node 302 via the SS7 communication link 320.
- the relevant data content of this originating signaling message is shown in Figure 10a.
- the OPC of the original message is equal to 1- 0-0, the PC of GMSC node 348.
- the DPC of the message is 2-0-0, the PC of the flexible routing node 302.
- the signaling message is received within the flexible routing node 302 by LIM 308.
- SS7 MTP Level 1 and 2 processing is performed on the incoming signaling message packet by the MTP Level 1 and 2 process 310.
- an Entity Address substitution is employed to facilitate subsequent routing address translations by an external routing node.
- An example of such a scenario is provided below.
- step ST9 the G-FLEXTM database 330 is searched using the appropriate mobile identification number (IMSI or MSISDN) as at least a portion of the search key.
- IMSI mobile identification number
- MSISDN mobile identification number
- step ST10 the GTT database 332 is searched using the mobile identification number, 7707883438, as at least a portion of the search key.
- G-FLEXTM and GTT databases contained within flexible routing node 402 do not have the information necessary to identify the actual network address of the target destination node.
- the G-FLEXTM database is populated with information relating to the next network routing node that might have the actual network address of the target destination node.
- the result of the G-FLEXTM database lookup indicates that the signaling message packet should be next routed to STP 404 at PC: 4-0-0.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60014715T DE60014715T2 (en) | 1999-12-23 | 2000-12-22 | METHOD AND SYSTEMS FOR DISTRIBUTING MESSAGES IN A TELECOMMUNICATIONS NETWORK |
AT00988270T ATE279079T1 (en) | 1999-12-23 | 2000-12-22 | METHOD AND SYSTEMS FOR ROUTING MESSAGES IN A TELECOMMUNICATIONS NETWORK |
EP00988270A EP1285545B1 (en) | 1999-12-23 | 2000-12-22 | Methods and systems for routing messages in a telecommunications network |
AU24497/01A AU2449701A (en) | 1999-12-23 | 2000-12-22 | Methods and systems for routing messages in a communications network |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/471,946 US6836477B1 (en) | 1999-12-23 | 1999-12-23 | Methods and systems for routing messages in a communications network |
US09/471,946 | 1999-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001047297A2 true WO2001047297A2 (en) | 2001-06-28 |
WO2001047297A3 WO2001047297A3 (en) | 2002-11-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/034924 WO2001047297A2 (en) | 1999-12-23 | 2000-12-22 | Methods and systems for routing messages in a telecommunications network |
Country Status (6)
Country | Link |
---|---|
US (2) | US6836477B1 (en) |
EP (1) | EP1285545B1 (en) |
AT (1) | ATE279079T1 (en) |
AU (1) | AU2449701A (en) |
DE (1) | DE60014715T2 (en) |
WO (1) | WO2001047297A2 (en) |
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Also Published As
Publication number | Publication date |
---|---|
WO2001047297A3 (en) | 2002-11-28 |
US6836477B1 (en) | 2004-12-28 |
DE60014715T2 (en) | 2005-02-17 |
US20010030957A1 (en) | 2001-10-18 |
EP1285545B1 (en) | 2004-10-06 |
DE60014715D1 (en) | 2004-11-11 |
ATE279079T1 (en) | 2004-10-15 |
US7035239B2 (en) | 2006-04-25 |
AU2449701A (en) | 2001-07-03 |
EP1285545A2 (en) | 2003-02-26 |
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