KR960003783B1 - 광대역 종합정보통신망 가입자 액세스 장치의 비동기 전달방식(atm) 다중화 처리 장치 및 방법 - Google Patents
광대역 종합정보통신망 가입자 액세스 장치의 비동기 전달방식(atm) 다중화 처리 장치 및 방법 Download PDFInfo
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- KR960003783B1 KR960003783B1 KR1019930023534A KR930023534A KR960003783B1 KR 960003783 B1 KR960003783 B1 KR 960003783B1 KR 1019930023534 A KR1019930023534 A KR 1019930023534A KR 930023534 A KR930023534 A KR 930023534A KR 960003783 B1 KR960003783 B1 KR 960003783B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
- H04J3/247—ATM or packet multiplexing
-
- 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
-
- 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
- H04L2012/5651—Priority, marking, classes
-
- 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
- H04L2012/5672—Multiplexing, e.g. coding, scrambling
-
- 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
- H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
- H04L2012/5679—Arbitration or scheduling
-
- 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
- H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
- H04L2012/5681—Buffer or queue management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (3)
- 다수의 입력 선로들을 통하여 각 입력단에 들어오는 셀을 일시 저장하는 입력 버퍼링 수단(1); 상기 입력 버퍼링 수단(1)으로부터 입력 셀 데이타(바)를 입력받아 연결 설정 정보(가), QOS(Quality Of Service) 등급 정보(라) 및 상기 입력 셀 데이타(바)의 헤더 정보에 따라 상기 입력 셀 데이타를 QOS 등급별로 분류하여 ATM 셀 데이타(아)와 입력 트래픽 정보(나)를 출력하는 셀 식별 수단(2); 상기 셀 식별 수단(2)으로부터 입력받은 ATM(Asynhcronous Transfer Mode) 셀 데이타(아)를 각각의 등급별로 저장하고 버퍼 상태 정보(다)를 출력하는 QOS 등급 버퍼링 수단(3); QOS 파라미터(자)를 입력받고 상기 셀 식별 수단(2)으로부터 입력 트래픽 정보(나)를 입력받고 상기 QOS 등급 버퍼링 수단(3)로부터 버퍼 상태 정보(다)를 입력받아 스케듈링 순서 정보(마)를 출력하고, 상기 셀 식별 수단(2)으로 연결 설정 정보(가)와 QOS 등급 정보(라)를 출력하고, ATM 다중화 처리 장치의 모든 동작과 상기 입력 트래픽 정보(나)를 출력하는 스케듈링 제어 수단(5); 상기 스케듈링 제어 수단(5)으로부터 입력받은 스케듈링 순서 정보(마)에 따라 상기 QOS 등급 버퍼링 수단(3)의 셀을 외부로 출력하는 스케듈링 수단(4); 및 연결 상태 정보와 망운용자의 가중치에 따라 상기 스케듈링 제어수단(5)으로 QOS 파라미터(2)를 출력하고, ATM 다중화 처리 장치의 모든 동작과 상기 입력 트래픽 정보(나)를 운용자에게 전달하는 연결 상태 관리 수단(6)을 구비하는 것을 특징으로 하는 광대역 종합정보 통신망 가입자 액세스 장치의 ATM 다중화 처리장치.
- 버퍼링 수단(1), 셀 식별수단(2), QOS 등급버퍼링 수단(3), 스케듈링 제어수단(5), 다중 데이타 전송수단(4), 연결상태 관리수단(6)을 구비하는 광대역 종합정보통신망 가입자 액세스 장치의 ATM 다중화 처리 방법에 있어서, 전송할 셀이 있으면 셀을 QOS 등급에 따라 분류하여 상기 QOS 등급 버퍼링 수단(3)에 저장한 후에 상기 QOS 버퍼링 수단(3)중 버퍼풀(full)인 QOS 등급 버퍼가 있는가를 판단하는 제 1 단계(18 내지 20); 상기 제 1 단계(18 내지 20) 수행 후, 버퍼 풀인 QOS 등급 버퍼가 있으면 1순위 버퍼로 한 후에 서비스한 셀 수가 임계치(QOS 등급별로 다른 값을 할당)와 같아질 때까지 선입선출 원리에 따라 1순위 버퍼에 있는 셀을 출력한 다음에, 차 순위의 QOS 등급 버퍼에 셀이 있는가를 확인하여 셀이 있으면 선입선출의 원리에 따라 출력하는 제 2 단계(21 내지 24, 26 내지 35); 및 상기 제 1 단계(18 내지 20) 수행 후, 버퍼 풀인 QOS 등급 버퍼가 없으면 1순위 버퍼에 있는 모든 셀을 선입선출의 원리에 따라 출력한 후에, 차 순위의 QOS 등급 버퍼에 셀이 있는가를 확인하여 셀이 있으면 해당 QOS 등급 버퍼에 있는 모든 셀을 선입선출의 원리에 따라 출력하는 과정을 모든 QOS 등급 버퍼에 대하여 순차적으로 실행하고 리턴하는 제 3 단계(21 내지 28, 31)를 포함하는 것을 특징으로 하는 광대역 종합정보통신망 가입자 액세스 장치의 ATM 다중화 처리방법.
- 제 1 항에 있어서, 상기 셀 식별 수단(2)은, 상기 입력 버퍼링 수단(1)으로부터의 입력 셀 데이타(바)에서 5바이트의 헤더 정보를 추출하고, 다시 헤더 정보로부터 3바이트로 구성된 입력셀의 VPI/VCI 값을 추출하여 ATM 셀 데이타(사)와 입력셀 헤더의 VPI/VCI 필드값을 출력하는 VPI/VCI 추출 수단(9); 상기 VPI/VCI 추출 수단(9)으로부터 입력받은 입력셀 헤더의 VPI/VCI 필드값(카)을 연결 설정된 VPI/VCI 필드값(타)과 비교하여 입력셀마다 VPI/VCI 일치 정보(파)를 출력하는 VPI/VCI 비교 수단(10); 상기 스케듈링 제어 수단(5)으로부터 연결 설정 정보(가)와 QOS 등급 정보(라)를 입력받아 저장후에 상기 VPI/VCI 비교 수단(10)으로 연결 설정된 VPI/VCI 필드값(타)을 출력하고, 상기 VPI/VCI 비교 수단(10)으로부터 입력받은 VPI/VCI 일치 정보(파)에 따라 QOS 등급을 검색하여 QOS 등급 선택 신호(차)를 출력하는 VPI/VCI 별 등급 저장 수단(11); 상기 VPI/VCI 별 등급 저장 수단(11)으로부터 입력받은 QOS 등급 선택 신호(차)에 따라 상기 VPI/VCI 추출 수단(9)으로부터 입력받은 ATM 셀 데이타(사)를 등급별로 분리하여 상기 QOS 등급 버퍼링 수단(3)으로 출력하고 입력 트래픽 정보(나)를 상기 스케듈링 제어수단(5)으로 출력하는 QOS 등급별 셀 분배 수단(12)을 구비하는 것을 특징으로 하는 광대역 종합정보통신망 가입자 액세스 장치의 ATM 다중화 처리장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930023534A KR960003783B1 (ko) | 1993-11-06 | 1993-11-06 | 광대역 종합정보통신망 가입자 액세스 장치의 비동기 전달방식(atm) 다중화 처리 장치 및 방법 |
JP27155094A JPH07193583A (ja) | 1993-11-06 | 1994-11-04 | 広帯域サービス総合ディジタル網加入者アクセス装置の非同期伝送方式多重化処理装置および方法 |
US08/336,650 US5499238A (en) | 1993-11-06 | 1994-11-04 | Asynchronous transfer mode (ATM) multiplexing process device and method of the broadband integrated service digital network subscriber access apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019930023534A KR960003783B1 (ko) | 1993-11-06 | 1993-11-06 | 광대역 종합정보통신망 가입자 액세스 장치의 비동기 전달방식(atm) 다중화 처리 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
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KR950016085A KR950016085A (ko) | 1995-06-17 |
KR960003783B1 true KR960003783B1 (ko) | 1996-03-22 |
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KR1019930023534A Expired - Fee Related KR960003783B1 (ko) | 1993-11-06 | 1993-11-06 | 광대역 종합정보통신망 가입자 액세스 장치의 비동기 전달방식(atm) 다중화 처리 장치 및 방법 |
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US (1) | US5499238A (ko) |
JP (1) | JPH07193583A (ko) |
KR (1) | KR960003783B1 (ko) |
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JPH0683252B2 (ja) * | 1985-03-06 | 1994-10-19 | 株式会社日立製作所 | パケツト優先転送方式 |
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US5499238A (en) | 1996-03-12 |
KR950016085A (ko) | 1995-06-17 |
JPH07193583A (ja) | 1995-07-28 |
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