Mikrotik supports MPLS.
---------- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com ----- Original Message ----- From: "Tom DeReggi" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, August 18, 2008 7:44 PM Subject: Re: [WISPA] VLan or VPN to multiple points > Ok..... > > When someone designs an end to end transport network they are committing > to > being a layer3 or a layer2 network by design. > Sure you can have bridged components on a routed network, and you can have > routed end devices on a bridged network, and you can do it differently on > your WAN, MAN, Last mile Relays. But functionally all-in-all, your city > transport that transposts the VPN is either are layer2 or layer3 network. > This is what defines what VPN alternative you have to offer. > > One of the benefits I sell is Office to Office connectivity, BYPASSING the > Public Internet, with a controlled On-Net path across my LAyer3 network. > Adding the benefit of one connection to accomplish both Internet and > private > network functionality. This is both a QOS and Cost advantage, but all in > all, I price it like Internet access, because its functionally routed like > Internet traffic using Layer3. > > Its important to under stand the difference between Layer2 and Layer3 > VLANs. > LAyer3 generally offers shortest path, via the same rules that apply to > all > customer's traffic. Layer2 VLANs offer something different. Layer2 > generally provides a static path (not necessarilly shortest path) > engineered > between two points. When at Layer2, a defines capacity can be > provisioned, > without concern for distance and quality that might come into play to > effect > real world throughput if had done at layer3 w/ native re-transmission and > Congestion avoidence mechanisms. There are many efficiency benefits of > LAyer3, that will never be achieved at Layer2, and Layer2 offers many > things > Layer 3 will never deliver. > > The point I'm making is, the provider needs to determine the factors that > are most beneficial to them as a provider and their prospective market. > Those decissions are so much more important than the type of VPN or VLAN > used. And that is what you are really comparing when comparing two > providers' VPN Connectivity offerings. > > To offer basic VLAN redundancy it requires all paths to be connected at > layer2 so the Spanning tree protocols talk and work. But layer2 > redundancy > protocols can fuinctionally break LAyer3 redundancy (such as OSPF and > IBGP). > So its really choosing one or the other. > > MPLS solves all this, by adding VPN, Layer2, QOS, preferred path, all in a > single platform of protocols. Sorta the best of both worlds (LAyer2 and > LAyer3). > The problem is MPLS is not cost effective to deploy in most cases, because > the MPLS manufacturers charge to high an inflated markup on MPLS enabled > gear. There is no technical reason why MPLS gear needs to cost more. But > it > still does. Its the difference between buying a new $20,000 MPLS router > and > a used $500 thirdparty or used non-MPLS router. Sure there are exceptions > all over the place to get a deal, but the whole network needs to talk MPLS > for it to really be beneficial, so if you can't find 100% of it cheap, the > reast you pay top dollar. > > Many of the MPLS open source products are developing, but its scary > endorsing a platform, that is not widely supported yet by several open > source router systems. > It locks you into a platform that may or may not ever get complete or work > 100% correctly. I think OPENSOURCE MPLS is exciting to watch, but its not > quite there yet. > > Layer3 VPN is a great way to get your IP space to securly end up from one > side of your network to the other. This is benefical when someone has > chosen > a LAyer3 transport design, because itworks voer layer3 :-) > > If you chose a LAyer2 VLAN as a replacement for VPN that is also OK, but > its > a complete change of network design. > > We use VLAN all the time, but we route between VLANs, apposed to use the > VLAN to cross our entire network as a VPN. > > Personally, if everything cost the same, my whole network would be MPLS > based, but it doesn't cost the same. And I can undercut my competitors on > price by atleast a factor of 10x, because I'm not using MPLS. So to do it > with MPLS, you really have to be focused on marketing to the segment of > the > population that udnerstands the difference and will pay for it. > > Hope that helps. > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > ----- Original Message ----- > From: "Patrick Nix Jr." <[EMAIL PROTECTED]> > To: "WISPA General List" <wireless@wispa.org> > Sent: Monday, August 18, 2008 9:05 AM > Subject: Re: [WISPA] VLan or VPN to multiple points > > >> We already run some VPNs across our network but I am under the >> impression that VLans may be a little more efficient way of transporting >> data where the points all reside within our network. Is this true? >> >> __________________________________________ >> >> Patrick Nix, Jr., >> csweb.net >> (918) 235-0414 >> http://www.csweb.net >> E-Mail: [EMAIL PROTECTED] >> >> ==================================================================== >> ATTENTION: This e-mail may contain information that is confidential in >> nature. If you are not the intended recipient, please delete this e-mail >> and notify the sender immediately. Thank you. >> ==================================================================== >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >> Behalf Of Mike Hammett >> Sent: Sunday, August 17, 2008 6:35 PM >> To: WISPA General List >> Subject: Re: [WISPA] VLan or VPN to multiple points >> >> This is MPLS's bread and butter. >> >> >> ---------- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> >> ----- Original Message ----- >> From: "Patrick Nix Jr." <[EMAIL PROTECTED]> >> To: "WISPA General List" <wireless@wispa.org> >> Sent: Friday, August 15, 2008 11:09 AM >> Subject: [WISPA] VLan or VPN to multiple points >> >> >>> Is anyone capitalizing on offering VLan services to companies with >>> multiple sites within your network. We have a couple of opportunities >>> to provide this type of service and wondering the best way to approach >>> it and charge for it >>> >>> Thanks >>> >>> __________________________________________ >>> >>> Patrick Nix, Jr., >>> csweb.net >>> (918) 235-0414 >>> http://www.csweb.net >>> E-Mail: [EMAIL PROTECTED] >>> >>> ==================================================================== >>> ATTENTION: This e-mail may contain information that is confidential in >>> nature. If you are not the intended recipient, please delete this >> e-mail >>> and notify the sender immediately. Thank you. >>> ==================================================================== >>> >>> >>> >> ------------------------------------------------------------------------ >> -------- >>> WISPA Wants You! 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