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Design Options (1) Issue: which GIST information should be diagnosed Option 1: MAs in each GIST node Pro: helpful to diagnose the current available MAs Cons: implementation-specific? Possible presence: every MA table in the GIST node Option 2: all MRSs in each GIST node Pro: get info on every active NSIS sessions in each node Cons: too fine granularity? Large message size? Authorization issues? Possible presence: the number of MRSs along the path or detailed MRSs but limit to a domain Open issue: who can query GIST info? NI/NR or any NE? Proposal: sysadmin and limit to his domain only, very limited information given to end user within same domain after authorization |