Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
1998-08-19
2001-07-03
Ton, Dang (Department: 2732)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S230000
Reexamination Certificate
active
06256310
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a method for controlling call under use of ATM (Asynchronous Transfer Mode) transfer capabilities call gap during the overload of an ATM switching network. In particular, the present invention relates to the method for controlling call under use of the ATM transfer capabilities call gap during the overload of the ATM switching network, wherein there is applied to the overload of the network a call control algorithm which is capable of providing maximum benefits to a network businessman in view of a fact that service charges added are different depending upon the ATM transfer capabilities requested by a user.
2. Description of the Prior Art
The PSTN (Public Switch Telephone Network) according to the prior art has have two call control methods, i.e., a percentage based method and a call gapping method. The percentage based method is to connect only some percentage out of calls made in a specific time to the user, since the bandwidth needed in calls are all the same. The call gapping method is to connect services made in the specific time. For example, when the network is under congestion, the percentage based method is to accept the service needed per unit time by percentage designated by an operator. The call gaping method is to accept only one call in a given call gap, i.e., one second, 2.5 seconds.
SUMMARY OF THE INVENTION
Therefore, an object of the present invention is to provide a method for controlling call under use of ATM transfer capabilities call gap during the overload of an ATM switching network in which there is applied during the overload of the network call control algorithm which is able to provide maximum benefits to a network businessman, in view of a fact that service charges added is different according to the ATM transfer capabilities.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objective and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
To achieve the above object in accordance with the present invention, as embodied and broadly described, the method for controlling call under use of the ATM transfer capabilities call gap during the overload of the ATM switching network comprises the steps of accepting a high priority call need first by means of call priority in a given time gap; and accepting the call in an order of DBR, SBR, ABR (ABT), and UBR service, in case that the call priority is the same, or in case that there is no call priority.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
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Kim Chul Soo
Kim Hae Sook
Yoon Byung Nam
Cohen & Pontani, Lieberman & Pavane
Electronics and Telecommunications Research Institute
Sam Phirin
Ton Dang
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