Application Layer Gateway Problem Statement
China Mobile
China Mobile
Application Layer Gateway (ALG) has been widely implemented and used to support address and port translation in the payload for some well- known protocols. Due to the lackness of standardization on addressing ALG related issues, a number of serious problems are faced by service deployments and upgrades. This document specifies the common problems for ALG in various aspects. In addition, some collected feedbacks are also listed as the next steps to tackle these problems.