Business fast migration method and system in communication system

The invention discloses a business fast migration method and system in a communication system. The method comprises the following steps: searching the business meeting a migration condition according to a to-be-migrated equipment name and a to-be-migrated business type specified by the migration condition, and filtering the business meeting the migration condition to obtain the to-be-migrated business; specifying destination equipment of the business migration and a new UNI port of the to-be-migrated business; specifying a migration strategy of a business service layer tunnel, wherein the migration strategy comprises an adjusting strategy for creating a new tunnel between source-side equipment and the destination equipment by taking a limit range from the source-side equipment to the destination equipment as a routing constraint condition, and a replacing strategy for specifying the new tunnel between the source-side equipment to the destination equipment for the to-be-migrated business in batch. By using the