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KR970056350A - Call Control Method Using ATM Transfer Capability Information in ATM Switching System - Google Patents

Call Control Method Using ATM Transfer Capability Information in ATM Switching System Download PDF

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Publication number
KR970056350A
KR970056350A KR1019950052165A KR19950052165A KR970056350A KR 970056350 A KR970056350 A KR 970056350A KR 1019950052165 A KR1019950052165 A KR 1019950052165A KR 19950052165 A KR19950052165 A KR 19950052165A KR 970056350 A KR970056350 A KR 970056350A
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South Korea
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service
bandwidth
call
bit rate
atm
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KR1019950052165A
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KR0153957B1 (en
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김철수
전민희
김광식
권기식
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양승택
한국전자통신연구원
이준
한국전기통신공사
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Priority to KR1019950052165A priority Critical patent/KR0153957B1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/74—Admission control; Resource allocation measures in reaction to resource unavailability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/06—Generation of reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/82—Miscellaneous aspects
    • H04L47/822—Collecting or measuring resource availability data

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

본 발명은 ATM 교환기에서 망 체증시 ATM 전달 능력 정보를 이용하여 호를 제어하는 호 제어 방법에 관한 것으로, 망의 관점에서 사용자가 요구하는 서비스에 대하여 ATM 전달 능력 정보를 근거로 호가 요구하는 서비스 특성이 망자원 이용도를 최대화시킬 수 있는 호를 우선적으로 연결함으로서 망 체증시에도 망자원의 이용을 최대화시킬 수 있는 호 제어 방법을 제공하기 위하여, 망 체증이 발생하면 잔여 대역폭 정보를 수신하고 특정 시간 동안에 접수된 호가 요구하는 대역폭과 ATM 정보 전달 능력 정보를 점검하는 제1단계(8 내지 12); UBR(Unspecified Bit Rate) 서비스, ABR(Available Bit Rate) 서비스, CBR(Constant Bit Rate) 서비스, 및 VBR(Variable Bit Rate) 서비스인지를 판단하는 제2단계(13,15,19,23); 및 상기 제2단계(13,15,19,23)의 판단 결과에 따라 호 처리를 수행하는 제3단계(14,16 내지 18,20 내지 22)를 포함하여 망 체증시에도 망자원의 이용을 최대화시킬 수 있는 효과가 있다.The present invention relates to a call control method for controlling a call by using ATM forwarding capability information in a network congestion at an ATM exchange. In order to provide a call control method that maximizes the use of network resources even in case of network congestion by first connecting calls that can maximize the utilization of network resources, when network congestion occurs, the remaining bandwidth information is received and a specific time is received. A first step (8 to 12) of checking the bandwidth and ATM information transfer capability information required by the call received during the call; A second step (13, 15, 19, 23) of determining whether an Unspecified Bit Rate (UBR) service, an Available Bit Rate (ABR) service, a Constant Bit Rate (CBR) service, and a Variable Bit Rate (VBR) service; And a third step (14, 16 to 18, 20 to 22) of performing call processing according to the determination result of the second step (13, 15, 19, 23). There is an effect that can be maximized.

Description

에이티엠(ATM) 교환기에서 에이티엠(ATM) 전달 능력 정보를 이용한 호 제어 방법Call Control Method Using ATM Transfer Capability Information in ATM Switching System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 ATM 전달 능력(ATM Transfer Capabilities)에 따라 차지하는 시스템 대역폭에 대한 설명도.2 is an explanatory diagram of system bandwidth occupied by ATM Transfer Capabilities.

제3도는 ATM 전달 능력(ATM Transfer Capabilities) 정보를 이용한 호 제어 방법에 대한 흐름도.3 is a flowchart illustrating a call control method using ATM Transfer Capabilities information.

Claims (4)

ATM(Asynchronous Transfer Mode) 교환기에 적용되는 호 제어 방법에 있어서, 망 체증이 발생하면 잔여 대역폭(Brandwidth) 정보를 수신하고 특정시간 동안에 접수된 호가 요구하는 대역폭과 ATM 정보 전달 능력(ATM Transfer Capabilites) 정보를 점검하는 제1단계(8 내지 12); UBR(Unspecified Bit Rate) 서비스, ABR(Available Bit Rate) 서비스, CBR(Constant Bit Rate) 서비스, 및 VBR(Variable Bit Rate) 서비스인지를 판단하는 제2단계(13,15,19,23); 및 상기 제2단계(13,15,19,23)의 판단 결과에 따라 호 처리를 수행하는 제3단계(14,16 내지 18,20 내지 22)를 포함하는 것을 특징으로 하는 호 제어방법.In a call control method applied to an Asynchronous Transfer Mode (ATM) exchange, when network congestion occurs, the remaining bandwidth (Brandwidth) information is received, and the bandwidth and ATM Transfer Capabilites information required by a call received during a specific time period. A first step (8 to 12) of checking; A second step (13, 15, 19, 23) of determining whether an Unspecified Bit Rate (UBR) service, an Available Bit Rate (ABR) service, a Constant Bit Rate (CBR) service, and a Variable Bit Rate (VBR) service; And a third step (14, 16 to 18, 20 to 22) of performing call processing according to the determination result of the second step (13, 15, 19, 23). 제1항에 있어서, 상기 제1단계(8 내지 12)는, 체증 관리 블록(Congestion Control Block)으로부터 체증 발생 정보를 수신하여 운용자에게 보고하는 제4단계(8,9); 각 루트의 가용 가능(Available)한 잔여 대역폭(Bandwidth) 정보를 수신하는 제5단계(10); 및 소정의 시간 동안에 접수된 호가 요구하는 대역폭과 ATM 정보 전달 능력 정보를 점검하는 제6단계911,12)를 포함하는 것을 특징으로 하는 호 제어 방법.2. The method of claim 1, wherein the first steps (8 to 12) comprise: a fourth step (8, 9) of receiving jam occurrence information from a congestion control block and reporting it to an operator; A fifth step (10) of receiving available bandwidth information of each route; And a sixth step (911, 12) for checking bandwidth and ATM information transfer capability information required by the received call for a predetermined time. 제1항에 있어서, 상기 제2단계(13,15,19,23)는, UBR(Unspecified Bit Rate) 서비스인지를 판단하는 제4단계(13); 상기 제4단계(13)의 판단 결과, UBR 서비스가 아니면 ABR(Available Bit Rate) 서비스인지를 판단하는 제5단계(15); 상기 제5단계(15)의 판단 결과, ABR 서비스가 아니면 CBR(Constant Bit Rate)인지를 판단하는 제6단계(19); 및 상기 제6단계(19)의 판단 결과, CBR 서비스가 아니면 VBR(Variable Bit Rate)인지를 판단하는 제7단계(23)를 포함하는 것을 특징으로 하는 호 제어 방법.2. The method of claim 1, wherein the second step (13, 15, 19, 23) comprises: a fourth step (13) of determining whether an Unspecified Bit Rate (UBR) service; A fifth step (15) of determining whether it is an ABR (Available Bit Rate) service if it is not a UBR service as a result of the determination of the fourth step (13); A sixth step (19) of determining whether the ABR service is a constant bit rate (CBR) if the determination result of the fifth step (15); And a seventh step (23) of determining whether it is a variable bit rate (VBR) if it is not a CBR service as a result of the determination of the sixth step (19). 제1항에 있어서, 상기 제3단계(14,16 내지 18,20 내지 22)는, UBR 서비스인 경우에는 망에서 호를 수락하고 종료하는 제5단계(14); ABR 서비스이면 ABR 서비스가 요구하는 최소 대역폭이 시스템의 잔여 대역폭보다 작은지를 판단하여 요구 대역폭이 잔여 대역폭보다 작은 경우에는 호를 수락하고 종료하며, 요구 대역폭이 잔여 대역폭보다 큰 경우에는 호 접수를 거절하고 종료하는 제6단계(16 내지 18); CBR 서비스이면 CBR 서비스가 요구하는 대역폭이 시스템의 잔여 대역폭보다 작은지를 판단하여 요구 대역폭이 잔여 대역폭보다 작은 경우에는 호를 수락하고 종료하며, 요구 대역폭이 잔여 대역폭보다 큰 경우에는 호 접수를 거절하고 종료하는 제7단계(20 내지 22); 및 VBR 서비스가 아니면 바로 종료하고 VBR 서비스이면 VBR 서비스가 요구하는 대역폭이 시스템의 잔여 대역폭보다 작은지를 판단하여 요구 대역폭이 잔여 대역폭보다 작은 경우에는 호를 수락하고 종료하며, 요구 대역폭이 잔여 대역폭보다 큰 경우에는 호 접수를 거절하고 종료하는 제8단계(20 내지 22)를 포함하는 것을 특징으로 하는 호 제어 방법.2. The method of claim 1, wherein the third step (14,16 to 18,20 to 22) comprises: a fifth step (14) of accepting and terminating a call in the network in case of a UBR service; In case of ABR service, it determines whether the minimum bandwidth required by the ABR service is smaller than the remaining bandwidth of the system. If the requested bandwidth is smaller than the remaining bandwidth, the call is accepted and terminated. If the requested bandwidth is larger than the remaining bandwidth, the call is rejected. Terminating sixth step (16 to 18); In case of CBR service, it determines whether the bandwidth required by the CBR service is smaller than the remaining bandwidth of the system. If the requested bandwidth is smaller than the remaining bandwidth, the call is accepted and terminated. If the requested bandwidth is larger than the remaining bandwidth, the call is rejected and terminated. A seventh step (20 to 22); And if it is not a VBR service, terminates immediately and if it is a VBR service, it is determined whether the bandwidth required by the VBR service is smaller than the remaining bandwidth of the system. If the required bandwidth is smaller than the remaining bandwidth, the call is accepted and terminated. And the eighth step (20 to 22) of rejecting and terminating the call reception. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950052165A 1995-12-19 1995-12-19 Call control method using the atm transferability data at atm switching system Expired - Fee Related KR0153957B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100736937B1 (en) * 2001-02-06 2007-07-10 삼성전자주식회사 Traffic performance analysis apparatus and method of ATM switch and ATM switching system using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100736937B1 (en) * 2001-02-06 2007-07-10 삼성전자주식회사 Traffic performance analysis apparatus and method of ATM switch and ATM switching system using the same

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