Monday, August 27, 2007

How Should Converged IP Networks Evolve?

How should converged information science webs evolve? A very interesting inquiry that have an reply in the manner the Telecom criterion bodies, web equipment vendors, and the industry as a whole are moving currently. IMS is potentilly one of these directions, and it is a possible way if the concern lawsuit back ups it. We don't necessitate another WAP or 3G/UMTS ballyhoo again. Unlike baseball game fields, if you construct it, they definitely don't come. Lawsuit in point, one very human race celebrated big Mobile River Operator stated in its yearly study that it would take 17 old age to do a tax return on the investing made on 3G/UMTS. Seventeen years!!!

Should Cellular be portion of this converged information science web evolution? It already is portion of it... especially in the Core and Conveyance parts of the network, and slowly in the Radio Entree Network (although I have got seen some interesting developments from Lake Herring in this area).

How can this be achieved? Well, I don't believe there is enough space here to begin the treatment in detail, but it begins with an internal treatment within your company about cost savings, invention and what you are trying to accomplish by this attempt within the overall concern scheme of the company.

For example, there are cost nest egg that tin be obtained by consolidating assorted IP/MPLS back-bone webs in your organization, followed by the organizational trading operations and systems needed to back up and keep this consolidation. Why? Due to M&A growing in your company, it do more than sense to have got one amalgamate IP/MPLS back-bone and one amalgamate trading operations than assorted separate ones. Of course of study this is a simplistic first start, but a first start towards many more than aims that would have got been discussed internally within your company on "why" and "what" arsenic mentioned earlier.

For most (successful) Carriers/Operators, it's about invention through enhanced capablenesses for the future, while obtaining cost nest egg through organisational consolidation followed by engineering convergence.

I believe people are too focused on the technical side of converged information science networks, when in my sentiment this is not that important, but rather the concern transmutation needed to cover with converged information science web development is ignored or forgotten. This is the difficult portion where more than inquiries should be asked because this is where the majority of the issues and jobs exist.

In world there's two different information science convergences going on right now.

First there's the substructure convergence. Carriers are quickly realizing the value of a package switched substructure over the traditional electrical circuit switched architectures. For illustration pretty much every bearer is, has, or will be converting from electrical circuit switched ss7, to ss7 over IP. But the drive factor isn't so much development of the design, as it is trying to happen cost economy ways to implement the design. Similarly while cellular bearers are starting to barricade services such as as Skype, they're implementing bearer social class VoIP to link their major shift centres to do better utilize of the electrical circuits they already have.

Second, the other convergence going on is with the client data. The ground I separate these, is the client information science information for the most portion is tunneled through the radio infrastructure. While routing of that information is going on, that routing is not based on what information the client is using. For a radio device, hypertext transfer protocol traffic and wap traffic crossbeam the web identically. So where is the convergence here? I believe we're just starting to see bearers unfastened up to evolving this portion of the network. An illustration of this type of convergence is with T-Mobile's 'hot topographic point at home' offer, where your device can do voice phone calls over wifi from an entree point at home, or through the cellular network. To be able to manus off from what is largely still a electrical circuit switched phone call to a VoIP gateway through the cyberspace is a large measure forward.

In a human race where bearers do a penny or two per minute of use, I believe it's the bearers who believe outside the box who will take the way. When they larn to leverage inexpensive outside information science resources (wifi hot spots like above) to support their expensive web core then everyone can benefit.

The simple answer... is that information science webs don't care about the transport. nip (session induction protocal) and IMS (IP Multimedia Subsystem) supply a manner that conveyance suppliers such as as telecoms who previously shunned application connectivity and API's tin now offer integrating with a big scope of applications and web attached computers. In that context, the IMS layer cognizes who you are and what sort of web attached computing machine you're using at the moment, whether that be a personal computer or a mobile handheld. User experience can then be delivered relative to the capablenesses of the device

3GPP and ETSI are working on an architecture called information science Multimedia Subsystem (IMS). This is an architecture to pull off web substructure in a engineering doubter manner to supply a criterion manner to proviso services on top of information science and other web technologies.

Think of it as the SS7/IN criterion which allowed the development sophisticated services (number portability, non-geographic numbers etc...) on top of the criterion telephone infrastructure.

What IMS will make is effectively abstract out the web engineering from the position of the user applications.

Though IMS was initially developed by 3GPP... which is a mobile/cellular criteria group..... it was quickly adopted by ETSI TISPAN for wireline intents with some tweaks. Both groupings work closely now. IMS have gained a batch of involvement from both radio and wireline operators.

Consequently it's not necessary to worry so much about where information science convergence will go. The drift to standardise on information science across the board was driven by the demand to cut down complexness and addition consistent web services. IMS moves as an abstraction layer and thus to a certain extent deflects the thrust for information science convergence. Having said that the cost nest egg accomplishable and capacity additions from a uniform web engineering platform is still a powerful driver. Given that information science is here and plant well, the convergence will continue.

Much of what we have got got in topographic point now was developed as "art of the possible", meaning best with the engineering available at the time.

Once we have invested big amounts of longterm substructure capital, there is a damping consequence on change. The telephone set system is a good illustration of this - synchronous, highly optimized (channelized and compressed) and "service-ized" (it bes more than to publish and direct the telephone measure than it makes to supply the existent connection).

Having said this, it is clear that converged information science webs will happen slowly as benefits are realized by the operators. For example, tons of anchor voice traffic is carried on information science but done over a SONET infrastructure.

Following up on cellular - again we have got immense investment, international route maps, and vested interests. If we were just starting cellular deployment in 2007 (given WiFi and related to technology) would we construct it the manner it is? Probably not, but we have got an existent substructure that must play.

The good side of this consequence is that things like VoIP were well thrashed out before they were deployed (I'm not talking about Skype or Vonage here).

IP will generally rule. It is designed to work over just about anything (smoke signalings anyone?) and have a proved path record. I believe the improvements will come up in the "routing" communications communications protocols rather then in the "routed" protocols there is plenty of room for invention during time periods of wider convergence.

No comments: