COS

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Related to Class of service: Quality of service

COS

Abbreviation for Chief of Staff.

COS

Canadian Ophthalmological Society.

cos

site the region formed when the COHESIVE ENDS of certain BACTERIOPHAGES, notably bacteriophage lambda, join together. A cos site is formed when the linear CHROMOSOME of bacteriophage lambda circularizes following infection of a host cell. Concatemeric (see CONCATEMER lambda DNA is cut at cos sites when the DNA is packaged during phage assembly in the LYTIC CYCLE.
References in periodicals archive ?
Delta Air Lines' (NYSE: DAL) SkyMiles members will earn a Class of Service bonus equal to 100 percent of the base miles for paid First Class travel and 50 percent of the base miles for paid Business/BusinessElite(TM) travel from Aug.
MPLS with class of service over DSL closes the large pricing gap between traditional business-class DSL and a full T1 line," Griffiths said.
By establishing a specific class of service for Video over IP, Equant has taken a major step forward in meeting this challenge.
PurePacket preserves the QoS and Class of Service (CoS) levels of traditional circuit-based networks, and provides the resource efficiency of IP transport by dynamically allocating bandwidth between voice, video and data applications.
Developed to deliver IP's benefits without major network migrations, the service runs over Infonet's Global Frame Relay Network, but supports seven different port types to provide Class of Service for multinationals that have applications requiring low to medium levels of meshing and deterministic performance between site pairs.