Labels:text | screenshot | number | font | parallel OCR: VLM ARCHITECTURE Layer NetWare DOS Requester DOS VLM.EXE Redirection AUTO.VLM 0 REDIR.VLM N NWP.VLM FIO.VLM PRINT. Service IN CACHE VLM protocol V NDS RSAZ BIND LITE FIO. VLM VLM YLME VLM PBODI.VLM VLM Transport M TRAN.VLM protocol IPXNCP.VLM Other transport protocols Figure 1. The NetWare DOS Requester may be envisioned as a three-layer model. The three layers are analogous to the Transport, Session, and Presentation layers of the ISO/OSI model. NETX. VLM is not shown because it handles backward compatibility outside the scope of VLM architecture.