[chord] implemention of Chord protocol

[Emil Sit]

On Wed, 19 March 2008 at 19:55 (+0800), Zhoushihao wrote:
>    According to the description of the Chord,each user node has an IP
>    address that can be hashed to a m-bit number(160-bit) using hash
>    function(SHA-1).The result(i'v got a  Hex-string ) is called node
>    identifier. As far as I know the identifiers' order can't be
>    preserved,So how can we compare the two identifiers? how did you
>    make it?I will be very grateful if any ideas you can share with me.

We interpret the 160-bit hash as a 160-bit number.  But if you
compare it lexicographically, it should give you the same results,
especially, if you zero pad the hash.

-- 
Emil Sit / MIT CSAIL PDOS / http://pdos.csail.mit.edu/chord/