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I am looking for a library (or a combination of libraries) to build a java distributed system, made of several applications exchanging data through several pairwise connections (no mapreduce). For the moment I did an expolration of existing libraries and I could only discard what I'v found. Here are my requirements:

  • Easy discovery of systems at runtime (possibly through a central server/directory)
  • Lightweight and low latency messages (no CORBA, RMI, SOAP,. etc.)
  • Decentralized communications (no LINDA like)
  • Easy enough to use and learn (no JXTA)
  • Compatible with GPL license (so GPL, BSD, etc.)

Do you have any suggestion ? Thanks in advance

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7 Answers 7

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Are you familiar with JGroups? You could use it to design your own architecture. They provide easy-to-use multicast abstraction.

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You could always try it, and find out!
5

I'm a big fan of JGroups, but I recently discovered hazelcast and will probably give it a try. It might be what you're looking for.

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3

You might want to take a peek at Terracotta ( http://www.terracotta.org/ )

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2

You could take a look at Jade if you like multi-agents paradigm http://jade.tilab.com/

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2

I think Apache River (formerly Jini) should at least be mentioned. It never received too much attention, probably also because it had (don't know if it still has) a rather steep learning curve. Anyhow, it is under active development:

http://river.apache.org/

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1

JBoss, ok, ok, it is not a framework but they have a number of projects that sound just like what you want.

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1

You may use Redisson - distributed and scalable Java data structures (BitSet, BloomFilter, Set, SortedSet, Map, ConcurrentMap, List, Queue, Deque, BlockingQueue, BlockingDeque, ReadWriteLock, Semaphore, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, RemoteService, ExecutorService, LiveObjectService, ScheduledExecutorService) on top of high performance Redis server.

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