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| Our Network Routing |
 Intelligent
Routing - BGP -Border Gateway Protocol
As with any routing protocol, BGP maintains routing tables,
transmits routing updates, and bases routing decisions on
routing metrics. The primary function of a BGP system is to
exchange network-reachability information, including information
about the list of autonomous system paths, with other BGP
systems. This information can be used to construct a graph
of autonomous system connectivity from which routing loops
can be pruned and with which autonomous system-level policy
decisions can be enforced.
Each BGP router maintains a routing table that lists all feasible
paths to a particular network. The router does not refresh
the routing table, however. Instead, routing information received
from peer routers is retained until an incremental update
is received. BGP devices exchange routing information upon
initial data exchange and after incremental updates. When
a router first connects to the network, BGP routers exchange
their entire BGP routing tables. Similarly, when the routing
table changes, routers send the portion of their routing table
that has changed. BGP routers do not send regularly scheduled
routing updates, and BGP routing updates advertise only the
optimal path to a network. BGP uses a single routing metric
to determine the best path to a given network. This metric
consists of an arbitrary unit number that specifies the degree
of preference of a particular link. The BGP metric typically
is assigned to each link by the network administrator.
The value assigned to a link can be based on any number of
criteria, including the number of autonomous systems through
which the path passes, stability, speed, delay, or cost. We
utilize BGP, to provide intelligent, fail-safe routing. When
one of our providers has network issues which may cause connections
to slow down, we route your customers to the fastest available
connection, to ensure maximum connection speed and virtually
eliminate down time. |
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