KR970056281A - Primitive Handling in LAPD for ISDN User-Network Connections - Google Patents

Primitive Handling in LAPD for ISDN User-Network Connections Download PDF

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Publication number
KR970056281A
KR970056281A KR1019950052766A KR19950052766A KR970056281A KR 970056281 A KR970056281 A KR 970056281A KR 1019950052766 A KR1019950052766 A KR 1019950052766A KR 19950052766 A KR19950052766 A KR 19950052766A KR 970056281 A KR970056281 A KR 970056281A
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KR
South Korea
Prior art keywords
lapd
primitive
state
timer
isdn user
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KR1019950052766A
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Korean (ko)
Inventor
정용길
이종대
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배순훈
대우전자 주식회사
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Priority to KR1019950052766A priority Critical patent/KR970056281A/en
Publication of KR970056281A publication Critical patent/KR970056281A/en

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Abstract

본 발명은 ISDN 사용자-망 접속의 LAPD에서 프리미티브 처리방법에 관한 것으로, 계층 2내부에서 T203타이머가 만료되어 발생된 T203 EXPIRY 프리미티브를 수신하는 단계(201); 상기 수신된 프리미티브의 링크엔티티를 식별하여 해당 링크 엔티티의 현재 상태를 판별하는 단계(202,203); 및 상기 판별결과 상태 7이면 확인대기절차를 수행한 후 재송카운터를 클리어시키고 타이머 복원상태로 천이하는 단계(204~207)로 구성되어 처리절차를 단순화하여 처리시간을 단축할 수 있는 효과가 있다.The present invention relates to a method for processing primitives in LAPD of an ISDN user-network connection, comprising: receiving a T203 EXPIRY primitive generated by an expired T203 timer in Layer 2 (201); Identifying (202,203) the current state of the link entity by identifying the link entity of the received primitive; And if the determination result state 7, the steps (204 to 207) of clearing the retransmission counter and performing the transition to the timer restoration state after performing the confirmation waiting procedure can be simplified to shorten the processing time.

Description

ISDN 사용자-망 접속의 LAPD에서 프리미티브 처리방법Primitive Handling in LAPD for ISDN User-Network Connections

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

제6도는 본 발명에 따라 LAPD를 구현하는 하드웨어의 예를 도시한 도면.6 illustrates an example of hardware for implementing LAPD in accordance with the present invention.

제8도는 본 발명에 적용되는 계층 2에서의 환경변수 테이블을 도시한 도면.8 is a diagram showing an environment variable table in Layer 2 applied to the present invention.

제10도는 본 발명에 따른 프리미티브 처리절차를 도시한 SDL 도면이다.10 is an SDL diagram illustrating a primitive processing procedure according to the present invention.

Claims (1)

종합정보통신망에서 ISDN단말기를 계층화된 프로토콜에 따라 망(Network)에 접속하기 위하여 LAPD를 구현하는 방법에 있어서, 계층 2내부에서 T203 타이머가 만료되어 T203 EXPIRY 프리미티브를 수신하는 단계(201); 상기 수신된 프리미티브의 링크 엔티티를 식별하여 해당 링크 엔티티의 현재 상태를 판별하는 단계(202,203); 및 상기 판별결과 상태 7이면 확인대기절차를 수행한 후 재송카운터를 클리어시키고 타이머 복원상태로 천이하는 단계(204~207)를 포함하는 ISDN 사용자-망 접속의 LAPD에서 프리미티브 처리방법.A method for implementing a LAPD to connect an ISDN terminal to a network according to a layered protocol in an integrated telecommunication network, the method comprising: receiving a T203 EXPIRY primitive after the T203 timer expires in layer 2; Identifying (202, 203) the link entity of the received primitive to determine the current state of the link entity; And clearing the retransmission counter and transitioning to a timer recovery state if the determination result state is 7, and performing transitioning to a timer recovery state (204 to 207). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950052766A 1995-12-20 1995-12-20 Primitive Handling in LAPD for ISDN User-Network Connections KR970056281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950052766A KR970056281A (en) 1995-12-20 1995-12-20 Primitive Handling in LAPD for ISDN User-Network Connections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950052766A KR970056281A (en) 1995-12-20 1995-12-20 Primitive Handling in LAPD for ISDN User-Network Connections

Publications (1)

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KR970056281A true KR970056281A (en) 1997-07-31

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KR1019950052766A KR970056281A (en) 1995-12-20 1995-12-20 Primitive Handling in LAPD for ISDN User-Network Connections

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