ocr: VLM ARCHIECTURE Layer Netware DOS Requester DOS VLM.EXE Redirection AUTO.VLM REDIR.VLM V NWP.VLM FIO.VLM PRINT. Service N CACHEVLM VLM protocol NDS.RSA. BIND. LITE. FO. VLME VLM VLM VLM PBODIVLM VLM Transport M TRAN.VLM protocol PXNCP.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 Iransport, Session, and Presentation layers ofthe ISO/OSI model, NETX.VLM 1S not shown because it handles backward compatibility outside the scope - OfVLM architecture.
