Hello Sebastian, > Applications can already map IPs to ASNs using information from a BGP
> Looking Glass. To do so, they must download a file of about 1.5MB > when compressed (as of October 2008, with all information not needed > for IP to ASN mapping removed) and periodically (perhaps monthly) > refresh it. |This sounds rather vague to me ... which protocol do I have to use for |download from which address? Which file format is it, i.e., what kind |of parser do I need? |As your protocol proposal is based on HTTP anyway why not just always |offer the file for download from the ALTO server? I think what Penno means here is that download BGP maptable is just a currently used method to map IPs to ASNs. But in ALTO protocol, this mapping can be implemented by the interface of GetNetworkMap. So this mapping to download the BGP file does not belong to ALTO protocol. To avoid the complications arises if an ALTO client does not know how to handle ASNs or maps them in a wrong way, we might choose the way to map by the GetNetworkMap identifier for ALTO clients. Regards, ——Tao Ma Beijing University of Posts and Telecommunications, Mobile life and new media lab.
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