Protobuf comes with a minor problem: it does not have support for handling "type tagged structures", that is, something reminiscent of objects in OOP lingo, so if one is going to have a heterogeneous sequences of messages, you have to roll it yourself. For that reason, I added a transport frame for the messages in the binary log that wraps each with some extra information. In addition to allowing the binary log to be a sequence of messages, it also adds some integrity-checking data and simplifies some administrative tasks.
| Length |
|---|
| Type Tag |
| Message |
| Checksum |
The format of each message in the sequences is given in the table in the margin. where the length is a specially encoded …
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