CA2171567C - Logical channel setting system for atm network - Google Patents
Logical channel setting system for atm networkInfo
- Publication number
- CA2171567C CA2171567C CA002171567A CA2171567A CA2171567C CA 2171567 C CA2171567 C CA 2171567C CA 002171567 A CA002171567 A CA 002171567A CA 2171567 A CA2171567 A CA 2171567A CA 2171567 C CA2171567 C CA 2171567C
- Authority
- CA
- Canada
- Prior art keywords
- terminal adapter
- transmitting
- message
- terminal equipment
- adapter
- 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.)
- Expired - Fee Related
Links
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Abstract
A logical channel setting system is applied to an asynchronous transfer mode (ATM) network which is coupled to terminal equipments which are in conformance with a high performance parallel interface (HIPPI) via respective terminal adapters which are in conformance with the HIPPI. The logical channel setting system includes a call part, provided in a transmitting terminal adapter, for setting a logical channel in the ATM network in response to a request signal which is ON
and is received from a transmitting terminal equipment which is coupled to the transmitting terminal adapter, and a disconnect part, provided in the transmitting terminal adapter, for releasing the logical channel which is previously set in the ATM network in response to a request signal which is OFF and is received from the transmitting terminal equipment which is coupled to the transmitting terminal adapter.
and is received from a transmitting terminal equipment which is coupled to the transmitting terminal adapter, and a disconnect part, provided in the transmitting terminal adapter, for releasing the logical channel which is previously set in the ATM network in response to a request signal which is OFF and is received from the transmitting terminal equipment which is coupled to the transmitting terminal adapter.
Claims (15)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A logical channel setting system for an asynchronous transfer mode (ATM) network coupled to corresponding terminal equipment via a respective terminal adapter, the system comprising:
call means operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel in the ATM network, said logical channel having a narrow band in the order of Kbps;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the corresponding terminal equipment, for transmitting to the ATM network a band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the corresponding transmitting terminal equipment, for transmitting to the ATM network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
call means operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel in the ATM network, said logical channel having a narrow band in the order of Kbps;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the corresponding terminal equipment, for transmitting to the ATM network a band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the corresponding transmitting terminal equipment, for transmitting to the ATM network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
2. The logical channel setting system as claimed in claim 1, wherein said call means sets the logical channel by transmitting a call setup message to the ATM network requesting the logical channel and the narrow band to the receiving terminal adapter and corresponding receiving terminal equipment via the ATM network.
3. The logical channel setting system as claimed in claim 2, wherein:
the ATM network, in response to receipt of the call setup message from the call means of the transmitting terminal adapter, transmits a call procedure message to the transmitting terminal adapter and, further, in response to a connect message from the receiving terminal adapter, transmits a connect message to the transmitting terminal adapter and a connect acknowledge message to the receiving terminal adapter and, further, in response to the band change message transmitted thereto by the first transmission means, transmits a band change message to the receiving terminal adapter;
the receiving terminal adapter transmitting a request ON message to the corresponding receiving terminal equipment and, in response thereto, the receiving terminal equipment transmitting a connect ON message to the receiving terminal adapter and, in response thereto, the receiving terminal adapter transmitting a band width confirmation message to the ATM network; and the ATM network transmitting the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmitting a connect ON message to the corresponding transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the corresponding transmitting terminal adapter for transfer over the ATM network to the receiving terminal adapter and corresponding receiving terminal equipment.
the ATM network, in response to receipt of the call setup message from the call means of the transmitting terminal adapter, transmits a call procedure message to the transmitting terminal adapter and, further, in response to a connect message from the receiving terminal adapter, transmits a connect message to the transmitting terminal adapter and a connect acknowledge message to the receiving terminal adapter and, further, in response to the band change message transmitted thereto by the first transmission means, transmits a band change message to the receiving terminal adapter;
the receiving terminal adapter transmitting a request ON message to the corresponding receiving terminal equipment and, in response thereto, the receiving terminal equipment transmitting a connect ON message to the receiving terminal adapter and, in response thereto, the receiving terminal adapter transmitting a band width confirmation message to the ATM network; and the ATM network transmitting the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmitting a connect ON message to the corresponding transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the corresponding transmitting terminal adapter for transfer over the ATM network to the receiving terminal adapter and corresponding receiving terminal equipment.
4. The logical channel setting system as claimed in claim 1, wherein the transmitting terminal equipment transmits an OFF request signal when a data transmission being performed thereby ends.
5. The logical channel setting system as claimed in claim 3, wherein the transmitting terminal equipment transmits an OFF request signal when a data transmission being performed thereby ends.
6. A logical channel setting system for a communication network carrying fixed bit length cells over a selected one of plural routes from a transmitting terminal to a receiving terminal and which cells contain, respectively and selectively, plural different types of information, the system comprising:
plural terminal adapters and plural, respectively associated terminal equipments operable in conformance with a high speed digital transmission interface for transmitting burst digital information, each terminal equipment being coupled by the respectively associated terminal adapter to the communication network and each terminal adapter and respectively associated terminal equipment being selectively operable, in a transmitting mode, as a transmitting terminal adapter and a respectively associated transmitting terminal equipment;
each terminal adapter further comprising:
call means, operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel having a narrow band in the order of Kbps in the communication network;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the respectively associated transmitting terminal equipment, for transmitting to the communication network and band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the respectively associated transmitting terminal equipment, for transmitting to the communication network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
plural terminal adapters and plural, respectively associated terminal equipments operable in conformance with a high speed digital transmission interface for transmitting burst digital information, each terminal equipment being coupled by the respectively associated terminal adapter to the communication network and each terminal adapter and respectively associated terminal equipment being selectively operable, in a transmitting mode, as a transmitting terminal adapter and a respectively associated transmitting terminal equipment;
each terminal adapter further comprising:
call means, operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel having a narrow band in the order of Kbps in the communication network;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the respectively associated transmitting terminal equipment, for transmitting to the communication network and band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the respectively associated transmitting terminal equipment, for transmitting to the communication network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
7. The logical channel setting system as claimed in claim 6, wherein each terminal adapter and respectively associated terminal equipment is selectively operable, in a receiving mode, as a receiving terminal adapter and a respectively associated receiving terminal equipment, and wherein the call means of each respectively associated terminal adapter sets the logical channel by transmitting a call setup message to the communication network requesting the logical channel and the narrow band to the receiving terminal adapter and respectively associated receiving terminal equipment via the communication network.
8. The logical setting system as claimed in claim 6, wherein each terminal adapter and respectively associated terminal equipment is selectively operable, in a receiving mode, as a receiving terminal adapter and a respectively associated receiving terminal equipment, and the communication network, in response to receipt of the call setup message from the call means of the transmitting terminal adapter, transmits a call procedure message to the transmitting terminal adapter and, further, in response to a connect message from the receiving terminal adapter, transmits a connect message to the transmitting terminal adapter and a connect acknowledge message to the receiving terminal adapter and, further, in response to the band change message transmitted thereto by the first transmission means, transmits a band change message to the receiving terminal adapter;
the receiving terminal adapter transmits a request ON
message to the respectively associated receiving terminal equipment and, in response thereto, the receiving terminal equipment transmits a connect ON message to the receiving terminal adapter and, in response thereto, the receiving terminal adapter transmits a band width confirmation message to the communication network; and the communication network transmits the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmits a connect ON message to the respectively associated transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the respectively associated transmitting terminal adapter for transfer over the communication network to the receiving terminal adapter and respectively associated receiving terminal equipment.
the receiving terminal adapter transmits a request ON
message to the respectively associated receiving terminal equipment and, in response thereto, the receiving terminal equipment transmits a connect ON message to the receiving terminal adapter and, in response thereto, the receiving terminal adapter transmits a band width confirmation message to the communication network; and the communication network transmits the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmits a connect ON message to the respectively associated transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the respectively associated transmitting terminal adapter for transfer over the communication network to the receiving terminal adapter and respectively associated receiving terminal equipment.
9. The logical channel setting system as claimed in claim 6, wherein the transmitting terminal equipment transmits an OFF request signal when a data transmission being performed thereby ends.
10. The logical channel setting system as claimed in claim 8, wherein the transmitting terminal equipment transmits an OFF request signal when a data transmission being performed thereby ends.
11. A terminal adapter for coupling a respectively associated terminal equipment to a communication network, the terminal adapter and respectively associated terminal equipment being operable, selectively, in a transmitting mode and in a receiving mode respectively for transmitting data over the communication network to a remote receiving terminal adapter and a respectively associated, remote terminal equipment and for receiving data, transmitted over the communication network from a remote, transmitting terminal adapter and a respectively associated and remote terminal equipment, the communication network carrying fixed bit length cells over a selected one of plural routes selectively interconnecting a transmitting terminal adapter and a receiving terminal adapter designated by the transmitting terminal adapter, each terminal adapter comprising:
call means, operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel having a narrow band in the order of Kbps in the communication network;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the respectively associated terminal equipment, for transmitting to the communication network a band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the respectively associated transmitting terminal equipment, for transmitting to the communication network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
call means, operable when the terminal adapter is a transmitting terminal adapter, for setting a logical channel having a narrow band in the order of Kbps in the communication network;
first message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an ON request signal from the respectively associated terminal equipment, for transmitting to the communication network a band change message which requests a change of the band width of the logical channel from the narrow band to a broad band in the order of Mbps; and second message transmitting means, operable when the terminal adapter is a transmitting terminal adapter and responsive to an OFF request signal received thereby from the respectively associated transmitting terminal equipment, for transmitting to the communication network a band release message which requests a change of the band width of the logical channel from the broad band to the narrow band.
12. The terminal adapter as claimed in claim 11, wherein the call means sets the logical channel by transmitting a call setup message to the communication network requesting the logical channel and the narrow band to a remote receiving terminal adapter and respectively associated, remote receiving terminal equipment via the communication network.
13. The terminal adapter as claimed in claim 12, wherein:
the communication network, in response to receipt of the call setup message from the call means of the transmitting terminal adapter, transmits a call procedure message to the transmitting terminal adapter and, further, in response to a connect message from the remote, receiving terminal adapter, transmits a connect message to the transmitting terminal adapter and a connect acknowledge message to the remote, receiving terminal adapter and, further, in response to the band change message transmitted thereto by the first transmission means, transmits a band change message to the remote, receiving terminal adapter;
the remote, receiving terminal adapter transmits a request ON message to the respectively associated and remote receiving terminal equipment and, in response thereto, the remote receiving terminal equipment transmits a connect ON
message to the remote receiving terminal adapter, and in response thereto, the remote receiving terminal adapter transmits a band width confirmation message to the communication network; and the communication network transmits the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmits a connect ON message to the respectively associated transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the respectively associated transmitting terminal adapter for transfer over the communication network to the remote receiving terminal adapter for coupling thereby to the respectively associated and remote receiving terminal equipment.
the communication network, in response to receipt of the call setup message from the call means of the transmitting terminal adapter, transmits a call procedure message to the transmitting terminal adapter and, further, in response to a connect message from the remote, receiving terminal adapter, transmits a connect message to the transmitting terminal adapter and a connect acknowledge message to the remote, receiving terminal adapter and, further, in response to the band change message transmitted thereto by the first transmission means, transmits a band change message to the remote, receiving terminal adapter;
the remote, receiving terminal adapter transmits a request ON message to the respectively associated and remote receiving terminal equipment and, in response thereto, the remote receiving terminal equipment transmits a connect ON
message to the remote receiving terminal adapter, and in response thereto, the remote receiving terminal adapter transmits a band width confirmation message to the communication network; and the communication network transmits the band width confirmation message to the transmitting terminal adapter and, in response thereto, the transmitting terminal adapter transmits a connect ON message to the respectively associated transmitting terminal equipment, the transmitting terminal equipment thereupon transmitting data to the respectively associated transmitting terminal adapter for transfer over the communication network to the remote receiving terminal adapter for coupling thereby to the respectively associated and remote receiving terminal equipment.
14. The terminal adapter as claimed in claim 11, wherein the transmitting terminal equipment transmits an OFF
request signal when a data transmission being performed thereby ends.
request signal when a data transmission being performed thereby ends.
15. The terminal adapter as claimed in claim 13, wherein the transmitting terminal equipment transmits an OFF
request signal when a data transmission being performed thereby ends.
request signal when a data transmission being performed thereby ends.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3037660A JPH04276942A (en) | 1991-03-05 | 1991-03-05 | Setting system for logic channel in atm network |
| JP3-37660 | 1991-03-05 | ||
| CA002062311A CA2062311A1 (en) | 1991-03-05 | 1992-03-04 | Logical channel setting system for atm network |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002062311A Division CA2062311A1 (en) | 1991-03-05 | 1992-03-04 | Logical channel setting system for atm network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2171567A1 CA2171567A1 (en) | 1992-09-06 |
| CA2171567C true CA2171567C (en) | 1999-07-06 |
Family
ID=25675007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002171567A Expired - Fee Related CA2171567C (en) | 1991-03-05 | 1992-03-04 | Logical channel setting system for atm network |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2171567C (en) |
-
1992
- 1992-03-04 CA CA002171567A patent/CA2171567C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2171567A1 (en) | 1992-09-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |