On 2013-12-12, Chris Angelico <ros...@gmail.com> wrote:
> Now, if you want reliability AND datagrams, it's a lot easier to add
> boundaries to a TCP stream (sentinel or length prefixes) than to add
> reliability to UDP...
It's unfortunate that there's no standardized reliable
connection-oriented datagram protocol. The linux kernel implements
one for Unix domain sockets (SOCK_SEQPACKET), and its really, really
useful.
Adding boundaries to a TCP stream achieves the same goal (and isn't
that hard to do), but since there's no standard for it, people keep
having to reinvent it (often badly and always incompaibly).
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