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Re^3: Good IPC Message Protocols?

by BrowserUk (Pope)
on Jan 31, 2009 at 00:49 UTC ( #740362=note: print w/replies, xml ) Need Help??

in reply to Re^2: Good IPC Message Protocols?
in thread Good IPC Message Protocols?

Now you point it out, you're right++.

I got hung up on the "64 characters" bit and completely forgot that the input to the encoding process can contain any byte values.

That said, I still much prefer length prefixing (via pack 'n/a*' etc.) which also allows the data packet to contain all byte values, but has the added advantages of:

  • 4(or 2 or 1)-bytes/per packet transmission overhead rather than 37%.
  • Negligible encoding/decoding overhead.
  • The ability to read for just what is required rather than rely on buffering and buffer management.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

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