Product Terms and Definitions for the nuu:bit Platform

 

Term	Description
95/5 percentile	a traffic billing method used by Internet transit providers–see http://en.wikipedia.org/wiki/Burstable_billing for details
browser proxy (BP)	nuu:bit proxy located close to end users (last mile proxy) and performing HTTP proxy and object caching functionality
cache, cache proxy	a nuu:bit server (like BP) providing object caching functionality
cache hit	a cache hit occurs when the requested data can be found in a cache, while a cache miss occurs when it cannot
cache Time-To-Live (TTL)	how long a cached object is considered to be “fresh” and can be used/served without a revalidation
content optimizer (CO)	nuu:bit proxy located close to customer origin servers (first mile proxy) and performing HTTP proxy and content optimization functions
core site	a nuu:bit site hosting nuu:bit management services like customer portal, databases, monitoring, management tools, etc
customer API, API	nuu:bit customer API application designed to provide programmable access to nuu:bit configuration management and traffic reporting functionality
customer origin, customer origin web server, origin web server (OWS)	a web server managed by a nuu:bit customer and used to host/generate content served by the nuu:bit platform
customer portal (CP)	nuu:bit customer portal application designed to provide configuration management and traffic reporting functionality to nuu:bit customers
disaster recovery (DR)	disaster recovery (site)–secondary nuu:bit core site
Dynamically Optimized Transport System (DOTS)	nuu:bit proprietary TCP congestion protocol compatible with standard TCP implementations
edge site, edge server	a nuu:bit site/server located close to end users and hosting nuu:bit BP/CO proxy servers
first mile (FM)	the Internet network part from customer origin websites to the closest nuu:bit edge servers
GB Transfer (GBT)	a traffic billing method primary used for cloud services
HyperDrive (HD)	nuu:bit proprietary technology for data communication between nuu:bit first and last mile servers
last mile (LM)	the Internet network part from end users (cable/ADSL/mobile/Wifi) to the closest nuu:bit edge servers
middle mile (MM)	the Internet network part between nuu:bit edge servers serving an end user request
Mobile Acceleration Platform (MAP)	nuu:bit’s proprietary solution for acceleration of content delivery for mobile apps and web properties
object invalidation	forced TTL expiration for a cache object, so on the request for the object a proxy will need to revalidate it with the customer origin server
object purge, object flush	removal of a customer-specified object from nuu:bit cache servers
object Time-To-Live (TTL)	can be applied to DNS, edge and browser object caching
object, web object	a web file pointed by an unique URL
page view	download of a full web page including all objects that construct the page
proxy, proxy server	a nuu:bit server serving HTTP and NMP requests for end users
real user monitoring (RUM)	passively monitors and collects data from users to give insight into a website performance
real user monitoring (RUM) analytics	analysis and reports from the RUM
request, hit	request or hit is the same thing
request per second (RPS)	the number of requests or hits per second
nuu:bit Mobile Protocol (NMP)	nuu:bit proprietary data transfer protocol optimized for wireless last-mile and used between SDK-enabled mobile apps and nuu:bit edge proxy servers
third-party object	any web object on a web page not served from nuu:bit or customer web origin
Time To First Byte (TTFB) or First Byte Time (FBT)	see http://en.wikipedia.org/wiki/Time_To_First_Byte for details
Varnish Configuration Language (VCL)	see https://www.varnish-cache.org/trac/wiki/VCL for details
Virtual CDN (VCDN)	a nuu:bit functionality which allows to provision, manage and serve nuu:bit customers on a subset of nuu:bit production servers