Overview and History of the TCP/IP Internet Standard Management Framework and Simple Network Management Protocol (SNMP)
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Further Development of SNMP and the Problem of SNMP Variations
The description above provides the history of how the first version of SNMP was developed, leading to the publishing of the first Internet Standard Management Framework in 1988; this is now called SNMP version 1 (SNMPv1). This initial version of SNMP achieved widespread acceptance, and it is still probably the most common version of SNMP.
Much of the history of SNMP since that time has been a rather confusing standards nightmare. SNMPv1 had a number of weaknesses, particularly in the area of security. For this reason, shortly after SNMPv1 was done, work began on a new version of SNMP. Unfortunately, this effort became a quagmire, with many competing variations of SNMPv2 being created. After many years of confusion, none of the SNMPv2 variants achieved significant success.
Recently, a third version of the SNMP Framework and Protocol has been published, which adds new features and reunites SNMP back under a single universal protocol again. The topics on SNMP versions and SNMP standards later in this section further explore the history of SNMP since 1988; they can be considered a continuation of this topic, as they help clarify the very confusing story behind SNMP versions over the last decade and a half.
This overview may have put more questions in your mind about the Internet Standard Management Framework and SNMP than it answered. This is part of why I said this stuff isn't really that simple. J The next two topics in this section provide more information about the Framework and its components, and what those components do, so you can understand better what the Framework is all about.
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