RFC 1599 Summary of 1500-1599 January 1997 1593 McKenzie Mar 94 SNA APPN Node MIB This RFC describes IBM's SNMP support for SNA Advanced Peer-to-Peer Networking (APPN) nodes. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. 1592 Wijnen Mar 94 Simple Network Management Protocol This RFC describes version 2.0 of a protocol that International Business Machines Corporation (IBM) has been implementing in most of its SNMP agents to allow dynamic extension of supported MIBs. This memo defines an Experimental Protocol for the Internet community. This memo does not specify an Internet standard of any kind. 1591 Postel Mar 94 Domain Name System Structure and Delegation This memo provides some information on the structure of the names in the Domain Name System (DNS), specifically the top-level domain names; and on the administration of domains. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. 1590 Postel Mar 94 Media Type Registration Procedure Several questions have been raised about the requirements and administrative procedure for registering MIME content-type and subtypes, and the use of these Media Types for other applications. This document addresses these issues and specifies a procedure for the registration of new Media Types (content-type/subtypes). It also generalizes the scope of use of these Media Types to make it appropriate to use the same registrations and specifications with other applications. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. 1589 Mills Mar 94 A Kernel Model for Precision Timekeeping This memorandum describes an engineering model which implements a precision time-of-day function for a generic operating system. The model is based on the principles of disciplined oscillators and phase-lock loops (PLL) often found in the engineering literature. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind. Kennedy Informational