I don't think this is so much a networking questions as it is a terms and services question. Basicly, Verizon DSLs FAQ says: Verizon Online DSL packages include unlimited DSL usage, allowing you to ...

Will my DSL service eventually deteriorate though lack of support? Will Verizon raise my DSL fees ? Will I be forced to migrate to a more expensive service? Will I have a supported DSL service for the ...