Viet Luu has written 146 articles

Traceroute is a tool to trace the path between two hosts.

Functionality: Traceroute shows all Layer 3 (routing layer) hops between the hosts. This is achieved by sending packets to the remote destination with increasing TTL (Time To Live) value (starting at 1). The TTL field is a field in the IP packet which gets decreased by one at every router. Once the TTL hits zero,…

GCP: Autoscaling, cool-down period and Autohealing

Autoscaling: Dynamically creates or deletes VMs to meet the instance group target. The setting of 80% means that the autoscaler will kick in when operating at 80% of the HTTP(S) Load Balancer’s balancing mode setting. This can be based on connection rate or CPU utilization. Cool-down period: How long to wait before collecting information from…