Modify Language around use of $ topics

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    • Type: Improvement
    • Resolution: No Action
    • Priority: Critical
    • None
    • Affects Version/s: 3.1.1
    • Component/s: futures
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      Change Section 4.7.2 - 'The Server SHOULD prevent Clients from using such Topic Names to exchange messages with other Clients' to 'The Server MAY prevent Clients from using such Topic Names to exchange messages with other Clients'.

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      Change Section 4.7.2 - 'The Server SHOULD prevent Clients from using such Topic Names to exchange messages with other Clients' to 'The Server MAY prevent Clients from using such Topic Names to exchange messages with other Clients'.

      Section 4.7.2 Topics beginning with $ states 'The Server SHOULD prevent Clients from using such (where 'such' means topics beginning with $) Topic Names to exchange messages with other Clients'. We think this is a bit restrictive and should not necessarily be strictly enforced by the broker.

      Instead we would prefer the 'SHOULD' be changed to a 'MAY'. This is consistent with the Non normative comment which states that "Applications cannot use a topic with a leading $ character for their own purposes".

      We would prefer a language that leads broker implementations to may allow the use of $ topic namespaces through configurable options rather block such topics in an hard-coded way.

            Assignee:
            Unassigned
            Reporter:
            Marco Carrer (Inactive)
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              Created:
              Updated:
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