WO2014107516A2 - Mécanismes de support de gestion de mobilité distribuée de protocole internet - Google Patents
Mécanismes de support de gestion de mobilité distribuée de protocole internet Download PDFInfo
- Publication number
- WO2014107516A2 WO2014107516A2 PCT/US2014/010081 US2014010081W WO2014107516A2 WO 2014107516 A2 WO2014107516 A2 WO 2014107516A2 US 2014010081 W US2014010081 W US 2014010081W WO 2014107516 A2 WO2014107516 A2 WO 2014107516A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wtru
- interface
- signaling
- data traffic
- traffic flow
- Prior art date
Links
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- 238000000034 method Methods 0.000 claims abstract description 70
- 230000011664 signaling Effects 0.000 claims description 78
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- 238000005516 engineering process Methods 0.000 description 20
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- 238000004220 aggregation Methods 0.000 description 15
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0019—Control or signalling for completing the hand-off for data sessions of end-to-end connection adapted for mobile IP [MIP]
Definitions
- the architecture 100 includes a home public land mobile network (HPLMN) 102 that communicates with the Internet 104.
- the architecture 100 also includes several distributed gateways (D-GW) 106a-e.
- D-GW is a logical entity placed at an edge of the network, close to a wireless transmit/receive unit (WTRU) 140a, 140b. Multiple D-GWs exist in a DMM domain, anchoring mobility sessions of the WTRUs attached to the domain.
- Each D-GW 106a-e provides network services 108a-e to a network section llOa-e.
- the HPLMN 102 includes a multi-hop cellular network (MCN) 120 and one of the D-GWs (shown in Figure 1 as D-GW 106e).
- the MCN 120 includes several nodes 122 to communicate within the MCN, a packet data network gateway (PGW) 124, a home subscriber server (HSS) 126, an authentication, authorization, and accounting server (AAA) 128, a serving gateway (SGW) 130, and a mobility management entity (MME) 132.
- PGW packet data network gateway
- HSS home subscriber server
- AAA authentication, authorization, and accounting server
- SGW serving gateway
- MME mobility management entity
- a method for splitting a data traffic flow in distributed mobility management is described.
- a WTRU is attached to a first D-GW via a first interface.
- the WTRU is attached to a second D-GW via a second interface, wherein the second interface is different from the first interface.
- a first data traffic flow between the WTRU and the first D-GW is sent via the first interface.
- a second data traffic flow between the WTRU and the second D-GW is sent via the second interface.
- Figure 1 is an example of a DMM-based network architecture
- Figures 6A-6C show an example of a network-based DMM solution to provide robustness
- Figures 7A and 7B show an example of a signaling sequence of the network-based DMM robustness solution
- Figure 10 is an example of a signaling sequence of the network- based DMM offloading solution
- Figure 11 is an example of a split/aggregation use case
- the core network 206 may also serve as a gateway for the WTRUs
- FIG. 2C is a system diagram of the RAN 204 and the core network 206 according to an embodiment.
- the RAN 204 may be an access service network (ASN) that employs IEEE 802.16 radio technology to communicate with the WTRUs 202a, 202b, 202c over the air interface 216.
- ASN access service network
- the communication links between the different functional entities of the WTRUs 202a, 202b, 202c, the RAN 204, and the core network 206 may be defined as reference points.
- the RAN 204 may include base stations
- the WTRU 906, equipped with the logical interface capability, may attach to two different D-GWs (D-GWl 904a and D-GW2 904b), configuring two IPv6 addresses (PrefA::UEl/64 and PrefB::UEl/64), each locally anchored at the respective D-GW.
- D-GWl 904a may detect congestion on its access link, it may want to offload some traffic to another access interface available on the WTRU 906. To do so, D-GWl 904a may first need to know that the WTRU 906 is simultaneously attached to D-GW2 904b, and then may need to negotiate with D-GW2 904b about the offloading.
- the flow split signaling request message includes a modified proxy binding update message.
Abstract
La présente invention se rapporte à un procédé permettant d'obtenir de la robustesse dans une gestion de mobilité distribuée. Une unité d'émission/réception sans fil (WTRU pour Wireless Transmit/Receive Unit) est fixée à une première passerelle distribuée (D-GW pour Distributed GateWay) par l'intermédiaire d'une interface. Un tunnel entre la première passerelle D-GW et une seconde passerelle D-GW est préfourni. L'unité WTRU est fixée à la seconde passerelle D-GW et détachée de la première passerelle D-GW. Le tunnel entre la première passerelle D-GW et la seconde passerelle D-GW qui a été préfournie, est créé. Un trafic de données entre l'unité WTRU et la première passerelle D-GW est envoyé par l'intermédiaire de l'interface sur la seconde passerelle D-GW et en utilisant le tunnel entre la première passerelle D-GW et la seconde passerelle D-GW, ce qui permet d'obtenir de la robustesse.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361748927P | 2013-01-04 | 2013-01-04 | |
| US61/748,927 | 2013-01-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2014107516A2 true WO2014107516A2 (fr) | 2014-07-10 |
| WO2014107516A3 WO2014107516A3 (fr) | 2014-10-16 |
Family
ID=50031530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2014/010081 WO2014107516A2 (fr) | 2013-01-04 | 2014-01-02 | Mécanismes de support de gestion de mobilité distribuée de protocole internet |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2014107516A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11070973B2 (en) | 2013-02-15 | 2021-07-20 | Interdigital Patent Holdings, Inc. | Network-controlled WTRU address/anchor selection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014008427A1 (fr) * | 2012-07-05 | 2014-01-09 | Interdigital Patent Holdings, Inc. | Systèmes et procédés pour le pré-enregistrement permettant la gestion de la mobilité |
-
2014
- 2014-01-02 WO PCT/US2014/010081 patent/WO2014107516A2/fr active Application Filing
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11070973B2 (en) | 2013-02-15 | 2021-07-20 | Interdigital Patent Holdings, Inc. | Network-controlled WTRU address/anchor selection |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014107516A3 (fr) | 2014-10-16 |
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