Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR DELIVERY CONTROL OF ELECTRONIC MAIL AND MAIL SERVER
Document Type and Number:
Japanese Patent JP3866506
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To deliver an electronic mail again while suppressing the increase in traffic in a mobile packet communication network.
SOLUTION: When receiving an electronic mail destined for a mobile machine 10, a gateway server 30 transmits an incoming report to the mobile machine 10. When receiving an acknowledgement (hereinafter referred to as Ack) to this incoming report from the mobile packet communication network, the gateway server 30 recognizes the state of the mobile machine 10 in accordance with the classification of the Ack to determine whether an electronic mail main body should be delivered or not and changes the time interval to retransmission of the incoming report to the mobile machine 10 in accordance with the state of the mobile machine 10 in the case of a failure.


Inventors:
Toshiyasu Yabe
Masaki Kawabata
Kashiwaha Shoji
Taichi Yoshida
Application Number:
JP2000369204A
Publication Date:
January 10, 2007
Filing Date:
December 04, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NTT DoCoMo, Inc.
International Classes:
G06F13/00; H04B7/26; H04L12/58; H04M11/00; H04W4/00; H04W4/12; (IPC1-7): H04L12/54; H04L12/58; G06F13/00; H04B7/26; H04M11/00
Domestic Patent References:
JP4326225A
JP11313083A
JP11163920A
JP11088342A
JP11331234A
JP64078555A
JP6282502A
JP11154121A
JP2000151639A
Attorney, Agent or Firm:
川▲崎▼ 研二