RE: stds-80220-requirements: Shall-Will-Should in 802.20 Requirements v5 - C802.20-03-6921

[Joseph Cleveland <JClevela@sta.samsung.com>]

Title: RE: stds-80220-requirements: Shall-Will-Should in 802.20 Requirements v5 - C802.20-03-6921

Hi All,

Thanks to Vladimer Yanover the IEEE has a statement in the style manualSection 5, para 13.1, for use of shall, will, should, etc.  I recommend that we use the IEEE statement, which I have copied below:

"The word shall is used to indicate mandatory requirements strictly to be followed in order to conform to the standard and from which no deviation is permitted (shall equals is required to). The use of the word must is deprecated and shall not be used when stating mandatory requirements; must is used only to describe unavoidable situations. The use of the word will is deprecated and shall not be used when stating mandatory requirements; will is only used in statements of fact.

The word should is used to indicate that among several possibilities one is recommended as particularly suitable, without mentioning or excluding others; or that a certain course of action is preferred but not necessarily required; or that (in the negative form) a certain course of action is deprecated but not prohibited (should equals is recommended that).

The word may is used to indicate a course of action permissible within the limits of the standard (may equals is permitted).

The word can is used for statements of possibility and capability, whether material, physical, or causal (can equals is able to)."

Joseph Cleveland

-----Original Message-----
From: Vladimir Yanover [mailto:vladimir.yanover@alvarion.com]
Sent: Tuesday, July 22, 2003 10:36 PM
To: 'Joanne Wilson '; 'Joseph Cleveland '; 'stds-80220-requirements@ieee.org '
Subject: RE: stds-80220-requirements: Shall-Will-Should in 802.20 Requirem ents v5 - C802.20-03-6921

Hello,
Here is a link that might be useful for the discussion http://standards.ieee.org/guides/style/section5.html
Vladimir

-----Original Message-----
From: Joanne Wilson
To: Joseph Cleveland; stds-80220-requirements@ieee.org
Sent: 7/23/2003 1:01 AM
Subject: RE: stds-80220-requirements: Shall-Will-Should in 802.20 Requirements v5 - C802.20-03-6921

Hi!

I propose the following modification to Joseph's terminology:

2a.  "Should" expresses a provision that is recommended, but is not mandatory

2b.  "May" expresses a provision that is allowed, but is not mandatory

Best regards,

Joanne Wilson
ArrayComm, Inc
+1 202 669-4006  Direct
+1 253 484-0330  Fax
joanne@arraycomm.com

-----Original Message-----
From: owner-stds-80220-requirements@majordomo.ieee.org
[mailto:owner-stds-80220-requirements@majordomo.ieee.org]On Behalf Of Joseph Cleveland
Sent: Tuesday, July 22, 2003 5:00 PM
To: 'stds-80220-requirements@ieee.org'
Subject: stds-80220-requirements: Shall-Will-Should in 802.20 Requirements v5 - C802.20-03-6921

Hi All:

I recommend the following wording for "shall", "will", should", etc. for inclusion in 802.20 Requirements document:

The following terminology identifies the designation of mandatory versus non-mandatory requirements:

1.      "shall" expresses a provision that is binding

2.      "should" and "may" expresses non-mandatory provisions

3.      "will" expresses a declaration of purpose.  It may be necessary
to use "will" in cases where the simple future tense is required

Joseph Cleveland
Director, Systems & Standards
Wireless Systems Lab
Samsung Telecommunications America
Richardson, TX 75081
(O) 972-761-7981  (M) 214-336-8446  (F) 972-761-7909

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