Re: Basic QOS Frame MPLS question [7:66210]
If your traffic (voice or data) is within the contract, the Provider must transport it without drops. That is quality of service. It is why it is recommended to set up Be =0 when transporting voice over a PVC. If you need to use the Frame Relay characteristic of transmitting bursts higher than the contracted, the Frame Relay network will discard your packets when congestion occurs. You can set up the CLP bit for lower priority traffic so the Provider will discard those packets first; but it will discard the other packets if the network is still congested. I can not see a relation between change from Frame Relay to MPLS to provide QoS. The Provider must offer the guaranteed quality contracted, use it Frame Relay, ATM or Dedicated Lines. For dedicated circuits you can just transmit the bandwidth; for Frame Relay you have some flexibility. I do not know if there is a Service Provider that offers MPLS circuits with guaranteed bandwidth just for high priority traffic. Is there? From what I know, the advantage of implementing MPLS on the Provider4s network is to offer isolated services based on layer 3. Without MPLS, the Provider needs layer 2 technologies to transport isolated networks. On private networks, MPLS helps you choose links and routers without the limitation of routing protocols, based on the best metric. Am I missing something ? Paul em 26/03/2003 18:15:30 Para: cc: Assunto:Re: Basic QOS Frame MPLS question [7:66210] Wow .. thanks very much for the links . We just got someone trying to sell us an MPLS solution and I don't know much about it . I got a lot of reading to do :) Thanks again . - Original Message - From: To: Sent: Wednesday, March 26, 2003 2:08 PM Subject: Re: Basic QOS Frame MPLS question [7:66210] I don4t think so. There are many QoS tool that you can use without MPLS. For example, you can use ip rtp priority, so the priority traffic will go to a high priority queue. Also, the fragmentation options will help you to avoid 'big' frames from starving the voice frames. Low Latency Queueing for Frame Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121 t/121t2/dtfrpqfq.htm#wp1033474 Link Fragmentation and Interleaving with Frame-Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos _c/fqcprt6/qcflfifr.htm Frame Relay Header compression http://www.cisco.com/univercd/cc/td/doc/product/software/ios112/rtphead.htm# xtocid63548 Paul @groupstudy.com em 25/03/2003 19:59:20 Favor responder a Paul Enviado Por: [EMAIL PROTECTED] Para: [EMAIL PROTECTED] cc: Assunto:Basic QOS Frame MPLS question [7:66210] Hi, Quick question to everyone At work I have a Frame Cloud that links all our sites together in a hub and spoke manner. At some of the sites I would like to extend our IP Telephony and perhaps introduce Video Conferencing. Assume I have adequate bandwidth throughout for video and IP telephony. I would like to implement QOS. Am I correct in assuming that I can only prioritise voice/video over the frame circuit, and that if I want to implement QOS I would have to 'swap' Frame for MPLS/Layer 4 Switching ??? Kind regards Paul Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=66327t=66210 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Basic QOS Frame MPLS question [7:66210]
I don4t think so. There are many QoS tool that you can use without MPLS. For example, you can use ip rtp priority, so the priority traffic will go to a high priority queue. Also, the fragmentation options will help you to avoid 'big' frames from starving the voice frames. Low Latency Queueing for Frame Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t/121t2/dtfrpqfq.htm#wp1033474 Link Fragmentation and Interleaving with Frame-Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt6/qcflfifr.htm Frame Relay Header compression http://www.cisco.com/univercd/cc/td/doc/product/software/ios112/rtphead.htm#xtocid63548 Paul @groupstudy.com em 25/03/2003 19:59:20 Favor responder a Paul Enviado Por: [EMAIL PROTECTED] Para: [EMAIL PROTECTED] cc: Assunto:Basic QOS Frame MPLS question [7:66210] Hi, Quick question to everyone At work I have a Frame Cloud that links all our sites together in a hub and spoke manner. At some of the sites I would like to extend our IP Telephony and perhaps introduce Video Conferencing. Assume I have adequate bandwidth throughout for video and IP telephony. I would like to implement QOS. Am I correct in assuming that I can only prioritise voice/video over the frame circuit, and that if I want to implement QOS I would have to 'swap' Frame for MPLS/Layer 4 Switching ??? Kind regards Paul Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=66252t=66210 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Basic QOS Frame MPLS question [7:66210]
At 02:08 PM 3/26/2003 +, [EMAIL PROTECTED] wrote: I don4t think so. There are many QoS tool that you can use without MPLS. For what it's worth, MPLS is not a QOS tool. It can be used as a component in a QOS strategy, but by itself, provides no QOS. For example, you can use ip rtp priority, so the priority traffic will go to a high priority queue. Also, the fragmentation options will help you to avoid 'big' frames from starving the voice frames. Low Latency Queueing for Frame Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121newft/121t/121t2/dtfrpqfq.htm#wp1033474 Link Fragmentation and Interleaving with Frame-Relay http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fqos_c/fqcprt6/qcflfifr.htm Frame Relay Header compression http://www.cisco.com/univercd/cc/td/doc/product/software/ios112/rtphead.htm#xtocid63548 Paul @groupstudy.com em 25/03/2003 19:59:20 Favor responder a Paul Enviado Por: [EMAIL PROTECTED] Para: [EMAIL PROTECTED] cc: Assunto:Basic QOS Frame MPLS question [7:66210] Hi, Quick question to everyone At work I have a Frame Cloud that links all our sites together in a hub and spoke manner. At some of the sites I would like to extend our IP Telephony and perhaps introduce Video Conferencing. Assume I have adequate bandwidth throughout for video and IP telephony. I would like to implement QOS. Am I correct in assuming that I can only prioritise voice/video over the frame circuit, and that if I want to implement QOS I would have to 'swap' Frame for MPLS/Layer 4 Switching ??? Kind regards Paul Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=66261t=66210 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Basic QOS Frame MPLS question [7:66210]
Paul wrote: I would like to implement QOS. Am I correct in assuming that I can only prioritise voice/video over the frame circuit, and that if I want to implement QOS I would have to 'swap' Frame for MPLS/Layer 4 Switching ??? Kind regards Paul In a traditional FR type network, the FR switches cannot prioritize your traffic because it cannot tell the difference between a high priority packet.. So the QoS you would apply only gets applied to your router's WAN interface. There might be 10 FR switches in between your 2 routers, and none of them can prioritize because it cannot distinguish traffic. With MPLS, you can do QoS even within the cloud because for example, if you set your VOIP to be prec 5 and require high priority, your MPLS cloud (routers) can tell the difference and will treat your prec 5 traffic better (if the provider has it congiured this way). That is the key difference. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=66271t=66210 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Basic QOS Frame MPLS question [7:66210]
Hi, Quick question to everyone At work I have a Frame Cloud that links all our sites together in a hub and spoke manner. At some of the sites I would like to extend our IP Telephony and perhaps introduce Video Conferencing. Assume I have adequate bandwidth throughout for video and IP telephony. I would like to implement QOS. Am I correct in assuming that I can only prioritise voice/video over the frame circuit, and that if I want to implement QOS I would have to 'swap' Frame for MPLS/Layer 4 Switching ??? Kind regards Paul Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=66210t=66210 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
