Thanks - I will take all of this into account! -paul
Cristina Videira Lopes wrote: > For "grid mode" things are not as you describe. I can tell you how > things are done currently, but this may/can change very easily, and in > fact things are quite different if C is Grider. > > For the normal LL client, and as of now: C never talks to G/A/I > directly; it talks to U and to Rs only. Upon login, C first contacts U, > which in turn contacts G to know the info about the intended login > Region, and then it informs that region R about the agent. > > On region crossings/TPs G is also not involved that much; it only serves > for the departing region to find the info about the destination region. > Once it gets that info, crosssings/TPs are done region-to-region. It's > also the regions that interact with C during this process. The only > difference in HG is that G is not used for region lookup at all; instead > the info about the destination region is local to the departing region. > But TPs are almost identical, with one extra first step. > > You can find some sequence diagrams here: > http://opensimulator.org/wiki/Teleports > > Paul Fishwick wrote: > >> I am writing a tutorial for a conference, where I'd like to introduce >> them to OpenSim, and I wanted in that tutorial to include some information >> on how services connect. If there is a web page that I have overlooked, >> please let me know where it is. >> >> Here are some assumptions, which may not be right--and I'd like to be >> as accurate as possible. Here are some letters I'll use for servers: >> >> C - Client >> G - Grid >> U - User >> A - Asset >> I - Inventory >> M - Messaging >> Rx - Region # x >> >> ............................. >> >> 1. For StandAlone mode, C connects with one server that contains all of >> the other services >> inside of it, along with N regions. So, this behavior seems more >> straightforward. >> All "other services" are (U,A,I,M, and Rx). I am assuming that >> most LSL commands >> are executed server side, except for some like Rotation, Audio and >> Video Streaming... >> Is there a list of what is server vs. client side? >> >> 2. For Grid mode, here are some guesses - please correct or edit.. >> >> C connects to G and then G serves as a gateway, routing messages to >> the other >> services. For example, if a user logs in, C connects to G which >> connects to U, >> which contains information on all agents and their avatars, >> positions, etc. >> >> A and I require the bulk of the database storage since Regions (R) >> have a UUID >> (pointer) reference and do not contain the bulk of the data (i.e, >> textures, images, >> prim attributes). >> >> If a region crossing is made from, say R1 to R2, R1 sends a message >> to G which >> forwards it to R2. >> >> 3. For HyperGrid mode, there is no "G" and so it is more of a peer to >> peer relationship >> of StandAlones. >> >> Comments and corrections welcome! >> >> paul >> >> > _______________________________________________ > Opensim-dev mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/opensim-dev > > -- Paul Fishwick, PhD Professor and Director, Digital Arts and Sciences Programs University of Florida Computer & Information Science and Eng. Dept. Bldg. CSE, Room 301 P.O. Box 116120 Gainesville, FL 32611 Email: [email protected] Phone: (352) 392-1414 Fax: (352) 392-1220 Web: http://www.cise.ufl.edu/~fishwick _______________________________________________ Opensim-dev mailing list [email protected] https://lists.berlios.de/mailman/listinfo/opensim-dev
