JPS57152752A - Packet editing system - Google Patents

Packet editing system

Info

Publication number
JPS57152752A
JPS57152752A JP56037816A JP3781681A JPS57152752A JP S57152752 A JPS57152752 A JP S57152752A JP 56037816 A JP56037816 A JP 56037816A JP 3781681 A JP3781681 A JP 3781681A JP S57152752 A JPS57152752 A JP S57152752A
Authority
JP
Japan
Prior art keywords
packet
dmactl
controller
call control
control memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP56037816A
Other languages
Japanese (ja)
Inventor
Tokio Takai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP56037816A priority Critical patent/JPS57152752A/en
Publication of JPS57152752A publication Critical patent/JPS57152752A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

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

Abstract

PURPOSE:To reduce the quantity of software for packet processings, by rewriting originating side information in the packet header of a packet to terminating side information in accordance with contents of a call control memory when the received packet is transferred to a storage device. CONSTITUTION:When a packet comes to a subscriber's interface part, a start signal ST is inputted to a controller DMACTL, and the controller DMACTL issues the use request for a data bus DB, and the packet is transferred to an RAM when this request is permitted. Since a route number RN, a logical channel group LCGN, and a logical channel number LCN refer to a call control memory LIM, the first and the second bytes of the packet header are set to registers R0 and R1. At this time, an address selector ADSEL selects registers R0 and R1, and the 0th, the first, and the second bytes of the packet are read out from the call control memory LIM, and the controller DMACTL writes them in order from the start address of storage in the RAM.
JP56037816A 1981-03-18 1981-03-18 Packet editing system Pending JPS57152752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56037816A JPS57152752A (en) 1981-03-18 1981-03-18 Packet editing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56037816A JPS57152752A (en) 1981-03-18 1981-03-18 Packet editing system

Publications (1)

Publication Number Publication Date
JPS57152752A true JPS57152752A (en) 1982-09-21

Family

ID=12508042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56037816A Pending JPS57152752A (en) 1981-03-18 1981-03-18 Packet editing system

Country Status (1)

Country Link
JP (1) JPS57152752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60246152A (en) * 1984-05-22 1985-12-05 Nec Corp Data exchange processing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138103A (en) * 1975-05-09 1976-11-29 Western Electric Co Packet exchanger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51138103A (en) * 1975-05-09 1976-11-29 Western Electric Co Packet exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60246152A (en) * 1984-05-22 1985-12-05 Nec Corp Data exchange processing system

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