HTTP-based synchronization method and apparatus

US8990429B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8990429-B2
Application numberUS-201213492480-A
CountryUS
Kind codeB2
Filing dateJun 8, 2012
Priority dateJan 22, 2010
Publication dateMar 24, 2015
Grant dateMar 24, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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An HTTP-based synchronization method includes obtaining a first response sent by a source server or a cache in response to an HTTP request for obtaining a file; determining time when the first response is sent in local time at server, according to a value of a Date field and a value of an Age field in the first response; determining time when the first response is sent in local time at client, according to the client time of an event related to the first response; and determining time offset between the server time and the client time according to the time when the first response is sent in local time at server and the time when the first response is sent in local time at client, and setting up a synchronization relationship between the client time and the server time.

First claim

Opening claim text (preview).

What is claimed is: 1. A hypertext transport protocol (HTTP)-based synchronization method comprising: obtaining a first response from a source server or a cache in response to an HTTP request to obtain a file, wherein the first response defines a date value and an age value; after obtaining the first response, determining that the age value is a valid value for an age field; computing a first time based on the date value and the age value, wherein the date value corresponds to…

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What does patent US8990429B2 cover?
An HTTP-based synchronization method includes obtaining a first response sent by a source server or a cache in response to an HTTP request for obtaining a file; determining time when the first response is sent in local time at server, according to a value of a Date field and a value of an Age field in the first response; determining time when the first response is sent in local time at client, …
Who is the assignee on this patent?
Zhang Shaobo, Huawei Tech Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04W56/00. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).