From: mark_cruzNOTFORSPAM@hotmail.com   
      
   Hello   
      
   I think this question ahould be fine with this group, not only it applies to   
   comp.programming.   
   I need to implement IGMP snooping and suppression on a layer2 device with 24   
   ports. To do so I'm planning to store in memory the hosts exchanging IGMP   
   messages with multicast router, there might be thousands of hosts behind   
   each port.   
      
   My question is what data structure will be more appropriate for this, on the   
   ground of the IGMP protocol behavior? I should consider how often will hosts   
   leave IGMP groups and join to another, i.e. depending on how often the   
   elements will be added, deleted etc. the linked lists, trees or hashes will   
   be selected. I understand it might be a tradeoff.   
      
   Thanks in advance.   
      
   --   
   Mark   
      
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