> Hello everyone, this is my first post on this list. > > I have been aware of SEDA for several years now; I believe I first heard > about it on the Avalon (!) mailing list. Ever since then I have > considered it a great choice for a light weight distributed > architecture, where each stage would represent the basic unit of > computation in a distributed process. > > On the other hand, I have been looking for signs of active development > in SEDA for the longest time. The Sourceforge stats show that the SEDA > CVS repository has not been updated for many years now. > > Is MINA the place were SEDA "lives" now, at least in conceptual form? Is > Matt Welsh aware of MINA? Does he participate in the development of > MINA? Has he ever stated an opinion (good or not so good) about MINA?
MINA is an NIO Framework, based on reactor pattern Matt doesn't participate here. I did contacted him while implementing SEDA, based on the framework he released. Its been a while that he has worked on the framework, and is not currently supporting/developing it. > From what I have been able to gather, MINA goes a long way in easing the > complexity of developing over non-blocking I/O. Does it keep the idea of It sure does :-) > explicit message queues at the entrance of each stage? Queues that could > be controlled from the stage depending on the load perceived? Or is this > implicit in the IoFilterChain? Nope it doesn't, unless you use Executors in between stages or filter/Codecs > > Is there support in MINA for a standard message marshalling protocol? I > am thinking of something like CDR or even some kind of XML-based > formatting. For that matter, is there standard support in MINA for > parsing / generating XML? XML support is being worked upon. Its a Codec for MINA. Please feel free to write your own. Its not too much of the work. MINA does have some Codecs builtin, see if you can reuse them for your purpose. Creating an XML Decoder minimal complexity is less than 100 lines of code. Check out our mailing list for couple of discussions on XML Decoders. -- thanks ashish Blog: http://www.ashishpaliwal.com/blog My Photo Galleries: http://www.pbase.com/ashishpaliwal
