Title:
SESSION CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/030983
Kind Code:
A1
Abstract:
The present invention addresses the problem of achieving more reliable session migration. This session control device 1 serves to control a session constituted by a logical communication path established between a base station 4b and a gateway device 5 in a network 8. When the session control device 1 determines that migration of a relay operation performed by relay function 2a currently relaying the session to relay function 2b currently not relaying the session would result in the session path after migration being shorter than that before migration, the session control device 1: transmits an instruction to relay function 2a to transmit information about the session currently relayed by relay function 2a to relay function 2b; and transmits an instruction to the base station 4b and the gateway device 5 to migrate the relay operation from relay function 2a to relay function 2b.
Inventors:
KATAYAMA YOUHEI (JP)
ZORIG ANAR (JP)
FUKUI KENJI (JP)
KUREBAYASHI RYOUSUKE (JP)
IWASHINA SHIGERU (JP)
ZORIG ANAR (JP)
FUKUI KENJI (JP)
KUREBAYASHI RYOUSUKE (JP)
IWASHINA SHIGERU (JP)
Application Number:
PCT/JP2018/015543
Publication Date:
February 14, 2019
Filing Date:
April 13, 2018
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04L12/721
Domestic Patent References:
| WO2016051236A1 | 2016-04-07 |
Foreign References:
| JP2002064562A | 2002-02-28 | |||
| JP2016063456A | 2016-04-25 |
Other References:
TAKASUGI KOICHI ET AL: "Continuous technology of seamless service in ubiquitous network environment", NTT GIJUTU JOURNAL, vol. 15, no. 6, 2003, pages 66 - 69, XP055574684
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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