Re: LookupDiscovery MulticastTimeToLive
Dan Creswell <[email protected]>
| Newsgroups | gmane.comp.java.sun.jini |
|---|---|
| Message-ID | <[email protected]> |
Mark Brouwer wrote: > Rikard Elofsson wrote: >> Mark Brouwer skrev: >>> In case you have shared services they can join the lookup services of >>> all the developers. This way clients see the developer specific services >>> as well as the shared services." >>> If the above is not clear or or there are reasons why this wouldn't work >>> in your environment please let me know. >> >> OK something like that could work I guess or using unicast when >> developing or similar but my problem is that it has to work sooner or >> later when deployed "for real" so an explanation to what is wrong would >> be very nice... Is it a)a bug (unlikely) or is it b)me not understanding >> (more likely)? > > I shamefully admit I've never configured the TTL so I have no experience > with it, but although Dan's response suggest otherwise it was my > understanding too a TTL of 0 wouldn't let the packets escape the host > (some Multicast IPv4 FAQ confirms this), but I've no idea what kind of > issues there are with the various IP stacks and whether there is a > difference with regard to IPv4/IPv6. Yep - there's the rub - I should've been clearer that I was using a "Dan rule of thumb" not "what the specs" say because I've seen various stacks (I have a list somewhere) that don't behave correctly in respect of various aspects of multicast behaviour including TTL..... > -- > Mark > > -------------------------------------------------------------------------- > Getting Started: http://www.jini.org/wiki/Category:Getting_Started > Community Web Site: http://jini.org > jini-users Archive: http://archives.java.sun.com/archives/jini-users.html > Unsubscribing: email "signoff JINI-USERS" to [email protected] > -------------------------------------------------------------------------- Getting Started: http://www.jini.org/wiki/Category:Getting_Started Community Web Site: http://jini.org jini-users Archive: http://archives.java.sun.com/archives/jini-users.html Unsubscribing: email "signoff JINI-USERS" to [email protected]