Greetings everyone
I and another MOSES developer are going to be looking at the
client/server network stack, as well as the processing queue's used for
incoming and outgoing packets. I am going to see if I can implement a
client stack on opensim and firestorm that uses the traditional TCP/UDP
pairing for this type of client<->server relationship. I have two
thoughts, but I am interested in hearing if you have ideas or insight
into this particular space.
Idea 1:
Add a dedicated tcp port next to the UDP port, and move reliable
transport transmissions to the tcp port. I am uncomfortable increasing
the required ports for each region, but the http server is in the way.
I can look to move all communications from http to a tcp socket-server
type of deployment, at the expense of simple POST/GET operations
idea 2:
Look into increasing the performance of the http server of the
regions, as well as testing/implementing a full websockets
implementation, and using the websockets upgrade for consistent client
connections. This could eventually lead to javascript-based clients,
and does not remove http functionality.
Either idea would see any traffic requiring reliable transport shifted
off of the current UDP stack, and onto the tcp reliable transport.
Either idea also will require modifications to a client to match. I,
and another developer here, would be developing the client code, the
region code, and testing against a MOSES deployment. As we are MOSES
developers, we would be working against simian instead of Robust; so
there would be a gap for regular Robust-based grids.
If you could lend me your opinions about these ideas, the management
queues, associated problems in opensim, etc, I would really appreciate
it. We would be working completely in the open on github, and obeying
all licensing. We would welcome any and all cooperation, and we will
cooperate ourselves wherever we are welcome, but we are not interested
in avoiding positive changes to maintain SecondLife compatibility.
Thanks.
--
Michael Heilmann
Research Associate
Institute for Simulation and Training
University of Central Florida
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