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Data communication method using resouce reservation

A technology of resource reservation and data communication, applied in the field of data communication

Inactive Publication Date: 2003-10-22
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the unnecessary repetition (i.e., ping-pong phenomenon) of the resource reservation process can be endless

Method used

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  • Data communication method using resouce reservation
  • Data communication method using resouce reservation
  • Data communication method using resouce reservation

Examples

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Embodiment Construction

[0020] Referring to the accompanying drawings, a method and device for data communication using a resource reservation protocol in a communication network will be described in accordance with preferred embodiments of the present invention. In the following description of the present invention, when known functions and configurations introduced herein may make the subject matter of the present invention unclear, a detailed description thereof is omitted. Terms described later are defined in consideration of functions in the present invention, and may be changed according to user's or customer's intention. They will be defined according to the content of the entire specification.

[0021] The present invention uses the Resource Reservation Protocol (RSVP) supporting Quality of Service (QoS), and can be applied to a communication network that uses an open shortest path first protocol as a routing protocol.

[0022] Routing protocols enable individual routers to determine to whic...

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Abstract

A data communication method is capable of preventing an endless repetition of a resource reservation procedure due to the change of a link state in a communication network using a resource reservation protocol. The method includes the steps of starting a timer set for a predetermined time period when a link resource for data transmission from a sender to a receiver is reserved in the communication network, determining whether the timer is in operation when the link state of the communication network is changed after the resource is reserved, ignoring the change of the link state and continuing the data transmission when the timer is determined to be in operation, and again reserving the link resource for the data transmission when the timer is determined to be not in operation.

Description

technical field [0001] The invention relates to a data communication method, in particular to a data communication method using a resource reservation protocol in a communication network. Background technique [0002] In a communication network, such as the Internet, information such as text, music, and images can be transmitted between interconnected communication devices. Such information can be divided into small packets according to protocols such as the Internet Protocol (IP), and then transmitted over the network. Each data packet is transmitted to the destination through multiple network transmission devices called routers in the network. [0003] The above data packets may be delayed or lost during transmission, which depends on whether the router has resources (such as bandwidth, delay, etc.) to support the corresponding data packets. Currently, the explosive growth of user needs and diversity of service applications requires data transmission to be reliable and t...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L12/56H04L29/06
CPCH04L29/06993H04L47/724H04L47/826H04L69/28H04L12/5695G06F2209/5014H04L47/70H04L12/28
Inventor 崔日圭崔炳求
Owner SAMSUNG ELECTRONICS CO LTD
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