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gcp:d [2023/05/06 16:13] fgmgcp:d [2023/05/18 06:30] fgm
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 ====== D ====== ====== D ======
  
 +  * [[wp>DHCP]] = Dynamic Host Configuration Protocol
 +    * Used to allocated the internal IP addresses of [[gcp:v|VM]]s and services depending on VMs like [[gcp:a|AppEngine]] or [[gcp:g|GKE]], with leases renewed every 24 hours
 +  * DEK: Data Encryption Key
 +    * In Cloud KMS, a key actually used to encrypt data, not to encrypt other keys with [[https://en.wikipedia.org/wiki/Advanced_Encryption_Standard|AES-256]] symmetric key encryption
 +    * Compare [[gcp:k|KEK]]
   * Deployment: in Kubernetes, an object for deploying stateless applications like web servers.   * Deployment: in Kubernetes, an object for deploying stateless applications like web servers.
     * Compare [[gcp:s|Service]]     * Compare [[gcp:s|Service]]
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   * DSR = Direct Server Return   * DSR = Direct Server Return
     * A load balancing mechanism in which inbound packets flow from switch to LB to backend, and response (outbound) ones return to the switch, bypassing the LB. This is possible because the LB modifies the [[wp>MAC_address|MAC addresses]] on the inbound packets     * A load balancing mechanism in which inbound packets flow from switch to LB to backend, and response (outbound) ones return to the switch, bypassing the LB. This is possible because the LB modifies the [[wp>MAC_address|MAC addresses]] on the inbound packets
 +    * Preserves the source addresses of the clients, unlike proxy-based LB
     * In GCP, used by the "External TCP/UDP network load balancer"     * In GCP, used by the "External TCP/UDP network load balancer"
     * aka Direct Routing, aka nPath Routing     * aka Direct Routing, aka nPath Routing
gcp/d.txt · Last modified: 2023/05/18 06:33 by fgm