Tag: NTP

For the Same Traffic metering

Posted on by lechuck park

From Claude with some prompting
“For the Same Traffic Metering” – Key Points:

  1. Problem: Different collection servers using SNMP may not yield the same results for identical traffic.
  2. Main causes of discrepancy:
    • Network equipment updates traffic information periodically.
    • To get consistent values, SNMP requests must align with the equipment’s update cycle.
    • Difficult to synchronize requests precisely across multiple servers.
  3. Challenges for resolution:
    • Servers need accurate time synchronization.
    • All requests should occur within the same ‘Update Cycle’ of the equipment.
  4. Time synchronization:
    • NTP can partially solve the issue.
    • Perfect (100%) synchronization is not achievable in practice.
  5. Consequence: SNMP data collected from multiple servers may show different results for the same traffic.
  6. Key insight: The image emphasizes the difficulties in accurate data collection using SNMP in network monitoring systems.
  7. Implications: Network administrators and system designers must be aware of these limitations and consider them when collecting and interpreting data.

This summary highlights the complexities involved in ensuring consistent traffic metering across multiple collection points in a network environment.

NTP

Posted on by lechuck park

From DALL-E with some prompting
The image appears to be a visual explanation of the Network Time Protocol (NTP). At the top, there’s a title, “Network Time Protocol,” and below it, there are icons arranged along a line that seems to represent servers, energy symbols, a thermometer, a surveillance camera, and storage devices. These icons are connected by arrows, indicating the flow of synchronization signals for time.

Below these icons, there are two messages. The first message says, “Sync Time of data from all connected Machine,” suggesting the synchronization of time across data from all connected devices. The second message reads, “sequence of events and causal relationship,” referring to the order of events and their causality. Underneath this message, icons representing the universe, Earth, a forest, and a group of people are displayed, which likely denote the concept of “Universal Time.”

Overall, the image emphasizes the importance of using Network Time Protocol to synchronize time across various devices and systems, accurately recording the sequence and causality of events, and maintaining consistent universal time globally. There’s an email address displayed in the top right corner of the image, but personal identity information cannot be shared.