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>>> Hallvard B Furuseth <h.b.furuseth@usit.uio.no> 1/3/04 7:31:14 AM >>>
>> 4. Elements of Protocol > >> In order to support future Standards Track extensions to this >> protocol, extensibility is implied where it is allowed (per ASN.1). >> In addition, ellipses (...) have been supplied in ASN.1 types that >> are explicitly extensible as discussed in [LDAPIANA]. Because of the >> implied extensibility, clients and servers MUST (unless otherwise >> specified) ignore trailing SEQUENCE components whose tags they do not >> recognize. > >Can you explain what 'extensibility is implied where it is allowed' >means, or would that take more words than ought to be used here? >Most of the draft can be read without detailed knowledge of ASN.1 - If I remember right, it applies to SEQUENCE, SET and CHOICE. I'll try to dig it out of X.680 again and add some clarifying text.
Jim |