Difference between Unnecessary and Redundant

UNNECESSARY vs REDUNDANT: NOUN

Use of more words than required to express an idea
Repetition of same sense in different words
More than is needed, desired, or required
Exceeding what is necessary or natural; superfluous.
Needlessly wordy or repetitive in expression.
Of or relating to linguistic redundancy.
Dismissed or laid off from work, as for being no longer needed.
Of or involving redundancy in electronic equipment.
Of or involving redundancy in the transmission of messages.
Degenerate.
Using more worrds or images than are necessary or useful; pleonastic.
Superfluous; exceeding what is necessary.
Repetitive or needlessly wordy.
Dismissed from employment because no longer needed.
Duplicating or able to duplicate the function of another component of a system, providing back-up in the event the other component fails.

Not necessary; needless; not required by the circumstances of the case; useless: as, unnecessary labor or care; unnecessary rigor.

Repetition of same and identical sense with different and non-identical words
Using or containing more words or images than are necessary or useful: as, a redundant style.
Superfluous; exceeding what is natural or necessary; superabundant; exuberant.
Rolling or flowing back, as a wave or surge.
Noting a condition of the wing membrane in bats when it extends well down on the leg, and on the arm embraces the thumb beyond the first phalanx.

Unnecessarily, Uncalled for, Reserve, Surplus, Supernumerary, Spare, Supererogatory, Excess, Extra, Redundant, Inessential, Gratuitous, Superfluous, Unneeded, Needless

Redundancy, Tautologic, Pleonastic, Surplus, Supererogatory, Spare, Excess, Extra, Wordy, Prolix, Tautological, Supernumerary, Unneeded, Unnecessary, Superfluous

Unnecessarily, Uncalled for, Reserve, Surplus, Supernumerary, Spare, Supererogatory, Excess, Extra, Redundant, Inessential, Gratuitous, Superfluous, Unneeded, Needless

Redundancy, Tautologic, Pleonastic, Surplus, Supererogatory, Spare, Excess, Extra, Wordy, Prolix, Tautological, Supernumerary, Unneeded, Unnecessary, Superfluous

Lincoln undoubtedly hoped thus to avoid unnecessary friction.
This assessment, however, should not introduce unnecessary delay.
His memory of the subject made it unnecessary.
Term limits are unnecessary Term limits are completely unnecessary in the current political environment.
This would reduce unnecessary duplication, prevent wasting the time of additional participants and prevent exposing additional participants to unnecessary burden.
Accept No Unnecessary Risk: Unnecessary risk is that which carries no commensurate return in terms of benefits or opportunities.
This feature prevents an unnecessary credit check with the OCS and unnecessary monitoring of the call when the outcome is already determined.
The court should not require a party to respond to duplicative and unnecessary discovery requests because that would encourage unnecessary litigation.
Hardening involves implementing applicationlevel security approaches, removing unnecessary software, disabling unnecessary services, consulting guidelines and policies that are specific to your applic
This includes nervous or unnecessary hand motions, unnecessary tapping of feet or hands, etc.

Thus, your argument is either unpersuasive or redundant.
In the end, the links without a redundant link and the best links with a redundant link would be in forwarding state.
You cannot remove both member interfaces from the redundant interface; the redundant interface requires at least one member interface.
Depending on who you ask, the definition is either Redundant Array of Inexpensive Disks or Redundant Array of Independent Disks.
Overall redundant topology is a good solution for making a LAN efficient but there are some drawbacks of redundant topology.
Any claim for redundant plant shall be net of any salvage value from the redundant plant or parts.
Servers and storage devices may have redundant paths through one fabric or through separate redundant fabrics with no shared single point of failure.
We know the Torah does not have even one redundant letter, needless to say a redundant word or phrase.
Redundant communication Network routers can be set up in a redundant configuration to ensure maximum uptime.
For redundant SIP Dialers, use a Media Routing PIM on each redundant MR PG.