Re: [idn] draft about Evaluation of various ACEs with existing Chinese (BIG5) Domain Names

[Erin Chen <[e-mail]>]

Dear all

Till now I did not see this draft have been announce by IETF IDN WG.
Neither find it on the IETF I-Draft web site.
Would some one please help me to check it?

Erin Chen

Erin Chen ¼g¤J¡G

> Dear IETF & IDN WG:
>
> Attached is the draft of :
> Evaluation of various ACEs with existing Chinese (BIG5) Domain Names
>
> This document offer an overview of the results of various ACEs that
> being
> applied to Chinese (BIG5) Domain Names. And give a brief summary of
> the evaluation result.
>
> Thanks for any suggestion and comment!
>
> Erin Chen
> TWNIC
>  
>
>   ------------------------------------------------------------------------
> Internet Draft                                                 Abel Yang
> draft-ietf-idn-ace-eval-tw-00.txt                              Erin Chen
> Jul 13, 2001                                                       TWNIC
> Expires Jan 13, 2002
>
>    Evaluation of various ACEs with existing Chinese (BIG5) Domain Names
>
> Status of this memo
>
>     This document is an Internet-Draft and is in full conformance with
>     all provisions of Section 10 of RFC2026.
>
>     Internet-Drafts are working documents of the Internet Engineering
>     Task Force (IETF), its areas, and its working groups.  Note that
>     other groups may also distribute working documents as
>     Internet-Drafts.
>
>     Internet-Drafts are draft documents valid for a maximum of six
>     months and may be updated, replaced, or obsoleted by other documents
>     at any time.  It is inappropriate to use Internet-Drafts as reference
>     material or to cite them other than as "work in progress."
>
>     The list of current Internet-Drafts can be accessed at
>     http://www.ietf.org/ietf/1id-abstracts.txt
>
>     The list of Internet-Draft Shadow Directories can be accessed at
>     http://www.ietf.org/shadow.html.
>
> Abstract
>
>     In order to help the ACE (ASCII Compatible Encoding) Design Team in
>     IDN Working Group to selecting an appropriate ACE proposal. This
>     document offer an overview of the results of various ACEs that being
>     applied to Chinese (BIG5) Domain Names. And give a brief summary of
>     the evaluation result.
>
> 1. Test data and tools
>
>     The sample data were come from TWNIC registration database. All of
>     them are in BIG5 encoding. The amount of the data is 28454. And the
>     data distribution by the length is:
>
>       Length of data     quantity of BIG5 Domain Names
>         2 chars                 3762
>         3 chars                 3914
>         4 chars                 4613
>         5 chars                 1723
>         6 chars                 1851
>         7 chars                 4282
>         8 chars                 1621
>         9 chars                 1254
>        10 chars                 2075
>        11 chars                 1215
>        12 chars                  753
>        13 chars                  646
>        14 chars                  745
>
>                         amount=28454
>
>     TWNIC just accept 2 to 14 BIG5 chars in a Chinese Domain Name. Those
>     data are all in local encoding of BIG5 ( or CP950 ). Base on those
>     data, apply them to various ACEs. There are RACE-03 [RACE], BRACE-00
>     [BRACE], LACE-01 [LACE], UTF-6-00 [UTF6], DUDE-02 [DUDE],
>     AMC-ACE-M-00 [AMCACEM], AltDUDE-01 [AltDUDE], AMC-ACE-O-00 [AMCACEO],
>     and AMC-ACE-R-01 [AMCACER].
>
> 2. Result of each ACE length
>
>     The CHN_len is the length of Chinese (BIG5) domain name in byte
>     before apply ACE encoding. All of the data in the same CHN_len, the
>     max_len is the maximum length, the min_len is the minimum length,
>     the aver_len is the averager length of them after apply ACE encoding.
>
>   2.1 AMC-ACE-M
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               11       6      11
>         4               17       8      14
>         5               17      11      17
>         6               21      11      20
>         7               24      13      22
>         8               27      15      25
>         9               30      16      28
>         10              33      18      31
>         11              36      22      34
>         12              39      19      37
>         13              42      21      40
>         14              45      23      43
>
>   2.2 AMC-ACE-O
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       6      11
>         4               20       9      15
>         5               20      11      18
>         6               24      11      22
>         7               27      13      25
>         8               31      15      29
>         9               35      16      32
>         10              39      18      36
>         11              42      24      38
>         12              46      19      41
>         13              50      21      44
>         14              54      23      48
>
>   2.3 AMC-ACE-R
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       6      12
>         4               20       9      16
>         5               20      11      19
>         6               24      11      23
>         7               28      13      26
>         8               32      15      30
>         9               36      16      34
>         10              40      18      38
>         11              44      24      41
>         12              48      19      44
>         13              52      21      48
>         14              56      24      51
>  
>
>   2.4 AltDUDE
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       6      11
>         4               20       8      16
>         5               20      13      19
>         6               24      11      23
>         7               28      14      26
>         8               32      15      30
>         9               36      18      34
>         10              40      21      38
>         11              44      26      41
>         12              48      26      46
>         13              52      25      48
>         14              56      30      53
>
>   2.5 BRACE
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                7       5       7
>         3               10       7      10
>         4               17       8      14
>         5               17      11      17
>         6               20      11      20
>         7               23      13      23
>         8               28      14      26
>         9               30      15      30
>         10              33      17      33
>         11              36      22      36
>         12              39      18      39
>         13              42      20      42
>         14              46      23      46
>
>   2.6 DUDE
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       6      11
>         4               20       8      16
>         5               20      13      19
>         6               24      11      23
>         7               28      15      26
>         8               32      15      30
>         9               36      18      34
>         10              40      21      38
>         11              44      27      41
>         12              48      26      46
>         13              52      25      48
>         14              56      30      53
>
>   2.7 LACE
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       7       8
>         3               12       8      12
>         4               18      10      15
>         5               18      18      18
>         6               21      16      21
>         7               24      21      24
>         8               31      23      28
>         9               31      24      31
>         10              34      26      34
>         11              37      34      37
>         12              40      29      40
>         13              44      31      44
>         14              47      36      47
>
>   2.8 RACE
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       7      12
>         4               18       8      15
>         5               18      18      18
>         6               21      20      21
>         7               24      24      24
>         8               31      28      28
>         9               31      31      31
>         10              34      34      34
>         11              37      37      37
>         12              40      40      40
>         13              44      44      44
>         14              47      47      47
>
>   2.9 UTF-6
>
>     CHN_len    max_len  min_len  aver_len
>     -----------  -------- -------- --------
>         2                8       5       8
>         3               12       6      12
>         4               20       9      16
>         5               20      14      20
>         6               24      14      24
>         7               28      18      28
>         8               32      20      32
>         9               36      21      36
>         10              40      23      40
>         11              44      30      44
>         12              48      28      48
>         13              52      29      52
>         14              56      33      56
>
> 3. Result of each ACE conversion speed
>
>                 UTF-6   RACE    LACE    BRACE   DUDE    ALTDUDE
>         MAX     0.80    0.75    0.82    0.86    0.74    0.70
>         MIN     0.56    0.55    0.52    0.62    0.53    0.53
>         AVERAGE 0.68    0.64    0.62    0.73    0.64    0.62
>
>                 AMC-ACE-M       AMC-AMC-O       AMC-ACE-R
>         MAX     1.12            1.92            0.99
>         MIN     0.86            1.69            0.67
>         AVERAGE 0.98            1.81            0.82
>
> 4. Summary of the result
>
>     All the ACE max_length is less than 64, because the Chinese
>     Domain Name is limited from 2 to 14 BIG5 chars. For those sample
>     data, the result of LENGTH and SPEED, it seems the LACE and RACE
>     are better than others.
>
> 5. Acknowledgements
>
>     This ACE evaluation testing tool was provided by JPNIC.
>     TWNIC provide the real registered Chinese ( BIG5 ) domain names.
>     Hsu Nai-Wen <[e-mail]> and TWNIC MDNS technical team give
>     a lot of suggestion.
>
> 6. Author's Address
>
>     Abel Yang
>     Taiwan Network Information Center (TWNIC)
>     4F-2, No. 9, Sec. 2, Roosevelt Rd., Taipei, 100 Taiwan.
>     Email: [e-mail]
>     Tel: [phone]#505
>
>     Erin Chen
>     Taiwan Network Information Center (TWNIC)
>     4F-2, No. 9, Sec. 2, Roosevelt Rd., Taipei, 100 Taiwan.
>     Email: [e-mail]
>     Tel: [phone]#502
>
> 7. References
>
>     [RFC1035]  "DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION",
>                RFC1034, Nov 1987, P. Mockapetris
>     [RACE]     "RACE: Row-based ASCII Compatible Encoding for IDN",
>                draft-ietf-idn-race-03.txt, Nov 2000, P Hoffman
>     [BRACE]    "BRACE: Bi-mode Row-based ASCII-Compatible Encoding
>                for IDN version 0.1.2"
>                draft-ietf-idn-brace-00.txti, Sep 2000, A Costello
>     [LACE]     "LACE: Length-based ASCII Compatible Encoding for IDN"
>                draft-ietf-idn-lace-01.txt, Jan 2001, M Davis, P Hoffman
>     [UTF6]     "UTF-6 - Yet Another ASCII-Compatible Encoding for IDN"
>                draft-ietf-idn-utf6-00, Nov 2000, M Welter, B Spolarich
>     [DUDE]     "Differential Unicode Domain Encoding (DUDE)"
>                draft-ietf-idn-dude-02.txt, Jun 2001, M Welter,
>                B Spolarich, A Costello
>     [AMCACEM]  "AMC-ACE-M version 0.1.0"
>                draft-ietf-idn-amc-ace-m-00.txt, Feb 2001, A Costello
>     [AltDUDE]  "AltDUDE version 0.0.2"
>                draft-ietf-idn-altdude-00.txt, Mar 2001, A Costello
>     [AMCACEO]  "AMC-ACE-O version 0.0.3"
>                draft-ietf-idn-amc-ace-o-00.txt, Mar 2001, A Costello
>     [AMCACER]  "AMC-ACE-R version 0.2.1"
>                draft-ietf-idn-amc-ace-r-01.txt, May 2001, A Costello
>     [AMCACEV]  "AMC-ACE-V version 0.1.0"
>                draft-ietf-idn-amc-ace-v-00.txt, May 2001, A Costello
>     [AMCACEW]  "AMC-ACE-W version 0.1.0"
>                draft-ietf-idn-amc-ace-w-00.txt, May 2001, A Costello
>     [MACE]     "MACE: Modal ASCII Compatible Encoding for IDN"
>                draft-ietf-idn-mace-00.txt, Jun 2001, M Ishisone, Y Yoneya
>     [LDUDE]    "Improving ACE using code point reordering v0.9"
>                draft-ietf-idn-lsb-ace-00.txt, Jun 2001, Soobok Lee
>     [MDNKIT]   "Multilingual Domain Name tool Kit",
>              http://www.nic.ad.jp/jp/research/idn/mdnkit/download/
>     [NAMEPREP] "Preparation of Internationalized Host Names",
>                draft-ietf-idn-nameprep-03.txt, Feb 2001, P Hoffman,
>                M Blanchet
>