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Table 1 Description of Hello packet field

From: A cluster-based decentralized job dispatching for the large-scale cloud

Field name Bytes Description
Source address 4 The IP address of the host is sending to
Sequence number 2 Unique sequence number of this message
Max. hop count 2 The number of maximum hop count this
   message travel the networks
Hello interval 2 The number of seconds source node waits
   between sending Hello messages
Dead interval 2 The number of seconds a router can be
   ‘silent’ before it is considered to have failed