Community-Lab introduction

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    45     45   * Requirements and challenges
    46     46   A testbed has requirements that are challenged by the unique characteristics
    47     47   of CNs.  For instance, how to *##*
    48     48   
    49     49   ** Simple management vs. Distributed node ownership
    50     50   - manage devices belonging to diverse owners? *##*
    51     51   
    52         -** Features vs. Lightweight, low cost
           52  +** Features vs. Lightweight & low cost
    53     53   - support devices ranging from PCs to embedded boards? *##*
    54     54   
    55     55   ** Compatibility vs. Heterogeneity
    56     56   - work with devices which allow little customization?
    57     57   - support diverse connectivity models and link technologies including
    58     58     wireless, wired and fiber? *##*
    59     59   
................................................................................
    64     64     - keep nodes stable to avoid in-place maintenance? *##*
    65     65   
    66     66   ** Flexibility vs. Network stability
    67     67   - Remember that network experiments run on a production network.
    68     68   - allow interaction at the lowest possible layer of the CN while not
    69     69     disrupting or saturating it? *##*
    70     70   
    71         -** Traffic collection vs. Privacy of CN users
           71  +** Traffic collection vs. Privacy of community network users
    72     72   - allow experiments performing traffic collection and characterization?
    73     73   - While avoiding researchers spying on users' data? *##*
    74     74   
    75     75   ** Management robustness vs. Link instability
    76     76   - deal with frequent network outages in the CN when managing nodes? *##*
    77     77   
    78     78   ** Reachability vs. IP address provisioning

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