Monday, January 14, 2013

DS3 Bandwidth Meets Business Network Needs

What applications and/or situations are good candidates for deploying DS3 bandwidth into your business network? Given that business ethernet would likely be the prefered choice for business data/voice networks today ... if it's available (e.g. metro ethernet...USA). My opinion is that DS3 bandwidth still has a place as costs have dropped dramatically in recent years making it much more cost effective....and business ethernet is not always available even if it may be prefered from a cost persepective if nothing else.

For example - - - a medical campus network with a major requirement for medical imagery (e.g. PACS, tomography), in addition to HIPPA, patient record management, and diagnostic data transfer ... an engineering firm with a heavy CAD load and video conferencing ... a financial entity with sensitive requirements for large transaction traffic, security, and data storage ... a resort/hotel complex with conferencing center, retail/restaurant section, high end business clientele, and significant daily business requirements (e.g. reservations, billing, vendor tracking, supply chain, etc.). These are just a few of many applications where DS3 bandwidth makes a lot of sense as a network solution.

A DS3 line is usually ordered by a business as a T3, “DS” and “T” mean the same thing to the user. DS technologies are “built-up” from DS0 – in other words, a DS0 will have 56K of bandwidth if the underlying “line encoding” is “AMI” and it will have 64K if the line encoding is B8ZS. AMI and B8ZS usually used different “framing” – so with the terms there will be a Super Frame (SF) or Extended Super Frame (ESF).

In the US, there are 24 DS0 to a T1 for 1.54Mbs of synchronous bandwidth, and there are 28 T1’s in a T3 for about 45Mbs. In UK and EU they are called E1’s and E3’s, the E1 has 32 DS0’s for about 2Mbs, and the E3 has 16 E1’s for about 34Mbs

A T3 gives you 45 Mbs of bandwidth, in 28 T1’s. The advantage of the T3 over other technologies is the underlying frames are transmitted regardless of whether or not they contain data. The T3/DS3 carries the 45 Mbs of data to a carrier Point of Presence (POP), where it attaches to a DAC’s or HLI/MX panel, where it’s aggregated to fiber to leave the PO for further routing. At this, or any subsequent point, it may terminate into a switch or router.

While you can take advantage of the fact the DS3/T3 is made up of DS0, which can be “rerouted” individually from the POP – you may also just treat the T3/DS3 as just 45 Mbs of bandwidth to use however you choose.

An example would be sending videos around the country over ATM. Many large companies would buy one at HQ, and then split each T1 to a remote offices either P2P or doing an ATM (on the DS3) to Frame Relay (at the remote) conversion (you can also do this with MPLS). The DS3 line can also be attached to Internet routers as a 45Mbs path, analog Voice (or SIP/VoIP), or Point-to-Point lines between sites.

An advantage of the DS3 over Ethernet service delivery is it can carry packet data and analog data at the same time. It is a vastly superior interface to Ethernet, not withstanding the more complex installation. It can do anything an Ethernet delivered service can do, and more.

For help designing a network solution to meet your business needs using DS3 bandwidth .... and including free quotes from available providers .... simply ask here:

DS3 Bandwidth

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