The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2018
Filed:
Jan. 27, 2015
Nec Corporation, Tokyo, JP;
Masato Kudou, Tokyo, JP;
Hisashi Mizumoto, Tokyo, JP;
NEC CORPORATION, Toyko, JP;
Abstract
A node device (A) receives a second ACK list in communication with an adjacent node (B) and updates a first ACK list and a first summary vector on the basis of the second ACK list. The first summary vector, which indicates messages stored in a message buffer of the node device (A), is transmitted to the adjacent node (B) prior to transmission of the messages in the communication with the adjacent node (B). The first ACK list indicates ACK messages recognized by the node device (A). The second ACK list indicates ACK messages recognized by the adjacent node (B). Each ACK message represents a message of arrival at an ultimate destination node via a DTN (). In this way, for example, a copy having the same content as a message having arrived at an ultimate destination node can be prevented from being scattered in the Disruption Tolerant Network (DTN).