Several additional Request for Comments have proposed various extensions to the core DNS protocols.

Several discrete logarithm-based protocols have been adapted to elliptic curves, replacing the group with an elliptic curve:

Several standardized and proprietary networks ( or mesh ) layer protocols run over 802. 15. 4-based networks, including IEEE 802. 15. 5, ZigBee, 6LoWPAN, WirelessHART, and ISA100. 11a.

Several health clinics in the United States ( e. g. Tom Waddell in San Francisco, Callen Lorde in New York City, Mazzoni in Philadelphia ) have developed “ protocols ” for transgender hormone therapy following a “ harm reduction ” model which increasing numbers of providers have adopted.

Several RFCs mention a physical layer and data link layer, but that is in context of IEEE protocols.

Several ways of categorizing multiple-access schemes and protocols have been used in the literature.

Several versions of the protocols are in widespread use in applications such as web browsing, electronic mail, Internet faxing, instant messaging and voice-over-IP ( VoIP ).

Several interventions previously recommended-such as intravenous atropine and defibrillation-are no longer part of the routine protocols recommended by most major international bodies.

Several models exist to reason about security protocols in this way, one of which is BAN logic.

Several protocols provide the CLNS service:

Several protocols have been standardised including a smart protocol, SDI-12, that allows some instrumentation to be connected to a variety of data loggers.

Several collaborations and working groups have been established in an attempt to create the types of standards and protocols that would be needed to support interoperability between virtual environments, including:

Several organizations in Canada related to the FCM InfraGuide project, including the Federation of Canadian Municipalities, Infrastructure Canada, National Research Council of Canada, and Canadian Public Works Association, seek to achieve sustainability in municipal infrastructure especially large scale urban infrastructure, they advocate environmental protocols and inclusion of ecological and social indicators and factors in decision making at the earliest possible stage.

Several solid-phase protocols utilizing different linker combinations have been published.

Several people have criticized the level of training required to perform behavior modification procedures, especially those that are restrictive or use aversives, aversion therapy, or punishment protocols.

Several times in my youth I voted the Socialist ticket, but less because I was Socialist than because I was not either a Republican or a Democrat, and I voted for Franklin Roosevelt every time he was a candidate.

Several companies also saw possibilities in using the technique for extruding or molding vinyl products with a slight cellular core that would reduce costs yet would not affect physical properties of the end product to any great extent.

( Several times recently I have wondered whether shows were being staged for the sake of the script or just to entertain the audience with the spectacle of scenery being shifted right in front of their eyes.

Several hundred frog species in adaptive radiations ( e. g., Eleutherodactylus, the Pacific Platymantines, the Australo-Papuan microhylids, and many other tropical frogs ), however, do not need any water for breeding in the wild.

Several robot cities have been planned for the country: the first will be built in 2009 at a cost of 500 billion won, of which 50 billion is direct government investment.

Several organizations, such as the American Association of Variable Star Observers and Center for Backyard Astrophysics, exist to help coordinate these contributions.

Several unusual applications, such as a nuclear battery or fuel for space ships with nuclear propulsion, have been proposed for the isotope < sup > 242m </ sup > Am, but they are as yet hindered by the scarcity and high price of this nuclear isomer.

Several possible causes exist for these patterns of neurological dysfunction.

Several additional candidates for written ASL have appeared in over the years, including Sutton SignWriting, Sign Script, ASL-phabet, and Si5s.

Several species are raised for amaranth " grain " in Asia and the Americas.

Several public interest groups, including the Coordinating Body of Indigenous Organizations of the Amazon Basin ( COICA ) and the Coalition for Amazonian Peoples and Their Environment ( Amazon Coalition ) objected.

Several crystal structures are known for AC-II enzymes.

Several studies have shown an increased rate of cancer mortality for workers exposed to 2, 4, 5-T.

Several concepts that provide alternative definitions for the reaction mechanisms involved and their application in solving related problems exist.

Several components that eventually played a key role in the development of the automobile were invented for the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.

Several species of fungi can be used for bioleaching.

Several substyles exist, including maibock or helles bock, a paler, more hopped version generally made for consumption at spring festivals ; doppelbock, a stronger and maltier version ; and eisbock, a much stronger version made by partially freezing the beer and removing the water ice that forms.

* Several computer operating systems have various methods of running software originally designed for older versions or other OSs:

Several proteins coded for in the tra or trb locus seem to open a channel between the bacteria and it is thought that the traD enzyme, located at the base of the pilus, initiates membrane fusion.

Several rating scales for the screening and evaluation of bipolar disorder exist, such as the Bipolar spectrum diagnostic scale.

Several bishops were appointed for Sweden in 1060s, one also for Birka.

Several concepts are essential for the study of chemistry ; some of them are:

Several companies received expedited no-bid contracts for Hurricane Katrina and Iraq war reconstruction purportedly due to having cronies in the Bush administration.

Several object-oriented programming languages directly support object serialization ( or object archival ), either by syntactic sugar elements or providing a standard interface for doing so.

Several of the residents in attendance criticized the Township Board of Trustees for not doing more to maintain the public safety department.

Several hundred Paxtonians marched on Philadelphia in January 1764, where the presence of British troops and Philadelphia militia prevented them from doing more violence.

Several chapters of the most important Taoist text, the Tao Te Ching, attributed to Laozi, allude to " diminishing doing " or " diminishing will " as the key aspect of the sage's success.

Several years following the split of the band, Draper claimed that he was demoted as the band's producer as the rest of the band were no longer comfortable with him producing and the label reportedly wanted to ensure the band didn't go off on another tangent as with " Six ", and was forced to work with an outside producer for the first time, stating that " the management wanted a soft rock album made behind my back for some reason and I got manipulated into releasing it " and that the band were " steamrollered into doing a commercial sounding 3rd album ".

Several appearances singing and doing comedy skits with Frank Sinatra on CBS-TV's The Frank Sinatra Show soon followed.

Several times, she has been caught doing this by the nurse, who at first hesitates to tell Mr. Ferguson about it.

Several bands started performing originals who gradually realized that performing decent originals was more important than doing any magnificent cover songs.

Several Bankers Trust brokers were caught on tape remarking that their client Greetings and P & G, respectively would not be able to understand what they were doing in reference to derivatives contracts sold in 1993.

Several artists re-recorded hit songs in Simlish for the expansion pack Pets, including Aly & AJ doing their " Chemicals React " ( The Simlish version of Chemicals React can be downloaded in iTunes ), The Flaming Lips with " Free Radicals ", The Pussycat Dolls with their top chart hit " Don't Cha ", The Format with " The Compromise ", and Saving Jane with " Girl Next Door ".

Several years later, Barkann started doing backup sports for the network, at age 26.

Several Travelodge properties are doing away with the Sleepy Bear den, citing high costs in maintaining a single type of room that is not consistent with the others.