[Csci551-talk] Start time issue.

[Xi Wang]

Generally a reply with zero group node is valid and you should send such 
a reply.


rashmi chandrasekhar wrote:

> Just to clarify .. wont the tracker add node IDs of every request (be it assignment or interest) to the 'peer' table ? (since the tracker does not really care who has the file, he is just interested in knowing who is interested in a file) .. If yes, then, the next request from a node for an assignment will invariable result in a reply with its own ID in the reply (if the tracker still hasnt heard from any other node)

Exactly.

  ... So, basically sending a reply would become inevitable in this case.
> 


The tracker can be (not required) designed such that it won't send back 
the requesting node as a group node. Then the first node sending a show 
interest with group request should get reply with zero group node.

> -Rashmi.
> 
> 
> 
>>What should be the output from the tracker if a node (that does 
>>that have the file) asks for a group assignment before a node that 
>>has the file shows interest ? The tracker has no knowlede who has 
>>the file in this case .. should the reply just indicate 0 nodes so 
>>that the node can ask an assignment again after request timeout 
>>period ? 
>>
>>
>>Till the Tracker gets the seed he has nothing to do .. 
>>so client will basically timeout  and tehn resend his request .
>>
>>and if within tht time tracker has a SEED 
>>he can reply back to the request of the client with a groupassign 
>>message
>>hope this helps
>>
>>happy hacking !!!!
>>
>>Tushar
>>
>>
>>
>>
> 
>