KR960027905A - Call and connection control method in ATM user network interface - Google Patents

Call and connection control method in ATM user network interface Download PDF

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Publication number
KR960027905A
KR960027905A KR1019940039554A KR19940039554A KR960027905A KR 960027905 A KR960027905 A KR 960027905A KR 1019940039554 A KR1019940039554 A KR 1019940039554A KR 19940039554 A KR19940039554 A KR 19940039554A KR 960027905 A KR960027905 A KR 960027905A
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South Korea
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read
counter
data
octets
blli
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KR1019940039554A
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Korean (ko)
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KR0133786B1 (en
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이규택
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배순훈
대우전자 주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • H04L2012/5653—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

본 발명은 ATM망으로부터 신호적응계층을 통해 수신된 셋업(SETUP)메세지에 저장된 BLLI 정보요소를 찾아 사용자 오거나이징 유니크 식별자(OUI: Organizing Unique Identifier)를 식별하기 위한 방법에 관한 것으로, 상기 셋업 메세지의 길이정보(Ls)구하는 제1단계; 상기 카운터의 카운트 값을 증가시키면서“9510”와 비교하여 BLLI 정보요소를 구하는 제2단계; 상기 카운터값이 상기 메세지 길이를 초과하는지 비교하여 에러를 검출하는 제3단계; 카운터를 증가시키며 비트7, 비트8이“11”인 사용자 정보 계층 3 프로토콜(UIL3: User Information Layer 3 Protocol)데이터를 상기 BLLI 정보요소로부터 독출하는 제4단계; 및 상기 제4단계에서 독출된 사용자 정보 계층 3 프로토콜 데이터가“1110”이면 카운터를“3”증가시켜 제8.1옥텟의 데이터를 읽어온 후 좌로 시프트하고, 다음 제8.2 옥텟의 데이터를 읽어와 가산하며 다시 8번 좌로 시프트한 후,다음 제8.3 옥텟의 데이터를 읽어와 가산하여 24비트의 오거나이징 유니크 식별자(OUI: Organizing Unique Identifier)를 출력하고, 독출된 사용자 정보 계층 3 프로토콜 데이타“1110”아니면“0”을 출력하는 제5단계를 구비한다.The present invention relates to a method for identifying a user organizing unique identifier (OUI) by finding a BLLI information element stored in a setup message received through a signal adaptation layer from an ATM network. A first step of obtaining length information Ls; Obtaining a BLLI information element by comparing it with " 95 10 " while increasing the count value of the counter; A third step of detecting an error by comparing whether the counter value exceeds the message length; A fourth step of incrementing a counter and reading User Information Layer 3 Protocol (UIL3) data having bits 7 and 8 of “11” from the BLLI information element; And if the user information layer 3 protocol data read in step 4 is “11 10 ”, increase the counter to “3”, read the 8.1 octets of data, shift it to the left, and read and add the next 8.2 octets of data. After shifting to the left eight times again, the next 8.3 octets are read and added to output a 24-bit organizing unique identifier (OUI), and the read user information layer 3 protocol data “11 10 ”. Otherwise, a fifth step of outputting "0" is provided.

Description

ATM 사용자망접면에서 호 및 접속 제어 방법Call and Connection Control Method in ATM User Network Interface

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

제7도는 본 발명이 수행되는 하드웨어 구성을 개략적으로 도시한 블럭도, 제8도는 본 발명이 적용되는 BLLI 정보요소의 포맷을 도시한 구조도, 제9도는 본 발명에 따라 수신된 셋업 메세지로부터 오거나이징 유니크 식별자(OUI)를 식별하는 방법을 도시한 흐름도이다.FIG. 7 is a block diagram schematically showing a hardware configuration in which the present invention is performed, FIG. 8 is a structural diagram showing a format of a BLLI information element to which the present invention is applied, and FIG. 9 is from a setup message received in accordance with the present invention. A flowchart illustrating a method of identifying an easing unique identifier (OUI).

Claims (1)

ATM 망으로부터 신호적응계층을 통해 수신된 셋업(SETUP) 메세지를 메모리에 저장한 후 카운터를 이용하여 상기 셑업 메세지에 저장된 BLLI 정보요소를 찾아 사용자 오거나이징 유니크 식별자(OUI: Organizing Unique Identifier)를 식별하기 위한 방법에 관한 것으로, 상기 셋업 메세지의 길이정보(Ls)구하는 제1단계; 상기 카운터의 카운트 값을 증가시키면서“9510”와 비교하여 BLLI 정보요소를 구하는 제2단계; 상기 카운터값이 상기 메세지 길이를 초과하는지 비교하여 에러를 검출하는 제3단계; 카운터를 증가시키며 비트7, 비트8이“11”인 사용자 정보 계층 3 프로토콜(UIL3: User Information Layer 3 Protocol)데이터를 상기 BLLI 정보요소로부터 독출하는 제4단계; 및 상기 제4단계에서 독출된 사용자 정보 계층 3 프로토콜 데이터가“1110”이면 카운터를“3”증가시켜 제8.1옥텟의 데이터를 읽어온 후 좌로 시프트하고, 다음 제8.2 옥텟의 데이터를 읽어와 가산하며 다시 8번 좌로 시프트한 후,다음 제8.3 옥텟의 데이터를 읽어와 가산하여 24비트의 오거나이징 유니크 식별자(OUI: Organizing Unique Identifier)를 출력하고, 독출된 사용자 정보 계층 3 프로토콜 데이타“1110”이 아니면“0”을 출력하는 제5단계를 구비하는 것을 특징으로 하는 ATM 사용자망접면에서 호 및 접속 제어방법.Identifying a user organizing unique identifier (OUI) by storing the setup message received through the signal adaptation layer from the ATM network in memory and finding the BLLI information element stored in the setup message using a counter. A first step of obtaining a length information (Ls) of the setup message; Obtaining a BLLI information element by comparing it with " 95 10 " while increasing the count value of the counter; A third step of detecting an error by comparing whether the counter value exceeds the message length; A fourth step of incrementing a counter and reading User Information Layer 3 Protocol (UIL3) data having bits 7 and 8 of “11” from the BLLI information element; And if the user information layer 3 protocol data read in step 4 is “11 10 ”, increase the counter to “3”, read the 8.1 octets of data, shift it to the left, and read and add the next 8.2 octets of data. After shifting to the left eight times again, the next 8.3 octets are read and added to output a 24-bit organizing unique identifier (OUI), and the read user information layer 3 protocol data “11 10 ”. Otherwise, a fifth step of outputting "0" is provided. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940039554A 1994-12-30 1994-12-30 Method of controlling call and connection uni of atm system KR0133786B1 (en)

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Application Number Priority Date Filing Date Title
KR1019940039554A KR0133786B1 (en) 1994-12-30 1994-12-30 Method of controlling call and connection uni of atm system

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Application Number Priority Date Filing Date Title
KR1019940039554A KR0133786B1 (en) 1994-12-30 1994-12-30 Method of controlling call and connection uni of atm system

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KR960027905A true KR960027905A (en) 1996-07-22
KR0133786B1 KR0133786B1 (en) 1998-04-27

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