Browse Prior Art Database

SITE SOFIWARE UPGRADE WHILE MAINTAINING TRUNKING OPERATION

IP.com Disclosure Number: IPCOM000007662D
Original Publication Date: 1996-May-01
Included in the Prior Art Database: 2002-Apr-12
Document File: 1 page(s) / 69K

Publishing Venue

Motorola

Related People

Jeffrey Shroda: AUTHOR [+3]

Abstract

In current trunked systems that utilize a LAN network to allow communication between stations, a remote site must be taken off the air when the remote site's sofiware is upgraded using current meth- ods or Flash technology. The reduction in commu- nication capability is necessary because ofthe poten- tial for messaging incompatibilities between the current version of sofiware and the upgrade version of sofiware. This results in a significant time period in which the site can not provide users with trunked communication capabilities.

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MmROLA Technical Developments

8

SITE SOFIWARE UPGRADE WHILE MAINTAINING TRUNKING OPERATION

by Jeffrey Shroda, Michael Wirtjes and Kristin Cramer

BACKGROUND

  In current trunked systems that utilize a LAN network to allow communication between stations, a remote site must be taken off the air when the remote site's sofiware is upgraded using current meth- ods or Flash technology. The reduction in commu- nication capability is necessary because ofthe poten- tial for messaging incompatibilities between the current version of sofiware and the upgrade version of sofiware. This results in a significant time period in which the site can not provide users with trunked communication capabilities.

  During an upgrade, one station is removed from service and upgraded, while the remaining stations trunk using the old software. The old version sta- tions communicate via LAN messages indicating use ofthe old sofiware version to maintain trunking oper- ation. However, the upgraded station ignores the LAN messages transmitted from the old version stations and begins transmitting LAN messages indicating use of the upgraded software version, which are ignored by the old version stations. Other stations are similarly upgraded on an individual basis until an appropriate number of stations have been upgraded to support a minimum trunking conligu- ration. When the appropriate number of base sta- tions have been upgraded, control of the site is trans- ferred to the upgraded stations and th...