KR970056296A - Primitive Handling in LAPD for ISDN User-Network Connections - Google Patents
Primitive Handling in LAPD for ISDN User-Network Connections Download PDFInfo
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- KR970056296A KR970056296A KR1019950052749A KR19950052749A KR970056296A KR 970056296 A KR970056296 A KR 970056296A KR 1019950052749 A KR1019950052749 A KR 1019950052749A KR 19950052749 A KR19950052749 A KR 19950052749A KR 970056296 A KR970056296 A KR 970056296A
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Abstract
본 발명은 ISDN 사용자-망 접속의 LAPD에서 프리미티브 처리방법에 관한 것으로, 계층 1로부터 PH_DATA_IND 프리미티브를 수신하는 단계(201); 상기 수신된 프리미티브의 어드레스 필드를 분석하여 수신된 프리미티브가 자신의 것인지 확인하는 단계(202); 상기 수신된 프리미티브의 콘트롤 필드를 분석하여 분석테이블에 저장하고, 상기 어드레스 필드의 SAIP에 따라 계층3으로 전송될 것인지를 판별하는 단계(203); 계층3으로 전송될 프리미티브이면 상기 콘트롤 필드를 분석하여 프레임의 종류를 판별한 후 판별된 프레임 종류에 따라 소정의 처리절차를 수행하는 단계(208~219); 및 관리계층으로 전송될 UI명령이면 MDL_UNITDATA_IND 프리미티브를 생성하여 관리계층으로 전송하는 단계(205,206)로 구성되어 처리절차를 단순화하여 처리시간을 단축할 수 있는 효과가 있다.The present invention relates to a primitive processing method in LAPD of an ISDN user-network connection, comprising: receiving a 201 PH_DATA_IND primitive from Layer 1; Analyzing (202) an address field of the received primitive to determine whether the received primitive is its own; Analyzing (203) the control field of the received primitive and storing it in an analysis table and determining whether to transmit to layer 3 according to the SAIP of the address field; If it is a primitive to be transmitted to layer 3, analyzing the control field to determine the type of a frame and performing a predetermined processing procedure according to the determined frame type (208 to 219); And if the UI command is to be transmitted to the management layer, steps (205 and 206) of generating and transmitting the MDL_UNITDATA_IND primitive to the management layer have the effect of reducing the processing time by simplifying the processing procedure.
Description
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 계층2에서의 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 도면.10 is an SDL diagram illustrating a primitive processing procedure according to the present invention.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019950052749A KR970056296A (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 |
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KR1019950052749A KR970056296A (en) | 1995-12-20 | 1995-12-20 | Primitive Handling in LAPD for ISDN User-Network Connections |
Publications (1)
Publication Number | Publication Date |
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KR970056296A true KR970056296A (en) | 1997-07-31 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019950052749A KR970056296A (en) | 1995-12-20 | 1995-12-20 | Primitive Handling in LAPD for ISDN User-Network Connections |
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KR (1) | KR970056296A (en) |
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1995
- 1995-12-20 KR KR1019950052749A patent/KR970056296A/en not_active Application Discontinuation
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