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Wed, 22 Dec 2004
ACAP for data access appears difficult - 20:50
About two years ago when a vulnerability in the default implementation of ASN.1 was discovered, almost every appliance or library using it was found to be vulnerable. Although many important protocols (SSL, LDAP, SNMP, etc) use ASN.1 no one had bothered reimplementing it due to the huge size and complexity of the standard. The ACAP people say their protocol is supposed to fill "niche somewhere between a full-blown directory service, a file system, and specialised single-service protocol support". I still think it is too complex, if you think about basic rss and how much it has taken off, there is no real formal protocol or XML dtd, or anything, rss is simple to implement on both client and server end and it tends to work using standard libraries and tools. I did a CPAN search for ACAP, there was nothing remotely usable available in CPAN to speak ACAP, nor was there a Debian library (apt-cache search acap) or something to make it easier. If you have an IMAP client already however, there are a bunch of vCard libraries in CPAN and Debian, the same applies for the other stuff (email with vCard mime attachments) in Bill's suggestion for an address book in IMAP. The other thing is I have never seen any mention of ACAP support in a feature list for an email client. (though I have not looked explicitly for this) |