RE: application-oriented network design [7:42933] VG200 [7:44246]
Hello every body, I start searching about somebody talking about VG200 Gateway and I found this discussion I have a question and I know its silly one but I have no time to read about VoIP technology as I have dead line at 18-5-2002 to propose a solution to one of my customers The scenario is: Two sites in Saudi Arabia, the distance between those two sites is 22.5 Km, the contractor scope is to establish wireless connection with VOIP; in each site PBX is available. They mentioned that they want 4-pair lines from each PBX to be connected to the VOIP Gateway. At the first site they want FXS lines and in the second site they FXO lines, the VOIP Gateway will be connected to the LAN Switch and the LAN Switch will be connected to the Wireless LAN Bridge. They have confined me with a certain features to be available in the VOIP Gateway, the features is: 1. Supplied equipment shall fully comply with VOIP Industry standard ITU-H.323 Protocol. 2. The offered VoIP gateway shall provide Four (4) voice/fax channels for communication over the WLAN link under this project. 3. Equipment shall support 10/100 BaseT Ethernet connectivity and full IP compatibility with existing routers and LAN infrastructure. 4. Equipment shall provide Voice compression support for multiple algorithms including ITU G.723 AND G.729 5. Equipment shall support Voice prioritization using industry-standard Differentiated service (Diffserv) protocol or an alternative standard QIS protocol. 7. Equipment shall provide (4) FXS ports at the second site for analog connection to existing PBX Central Office (CO) Trunk Card. 6. Equipment shall provide (4) FXO ports in the first site for connection to existing PBX. 8. The offered VoIP gateway shall provide Dial, Busy, Fast busy, and ring back tones 9. Equipment shall be remotely configurable and manageable via SNMP The question here: Is VG200 suitable for this scenario ?? Note: I do not think we need routing here as the LAN bridge will do the job of routing. Your Help please. Ismail Al-shelh. -Original Message- From: Larry Letterman [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 01, 2002 4:28 AM To: [EMAIL PROTECTED] Subject: Re: application-oriented network design [7:42933] Talk to me offline and I'll describe to how all that was done here at cisco.. We have implemented just about everything you mentioned on our campus. Larry Letterman Cisco Systems [EMAIL PROTECTED] - Original Message - From: "Tom Scott" To: Sent: Tuesday, April 30, 2002 5:47 PM Subject: application-oriented network design [7:42933] > I'm reading Priscilla's "Top-Down Network Design". I recommend it as a > complement to the Semester 7 BCMSN books. > > Is there a design strategy or methodology that I can use to diagram > application layers into the logical topology? The application I have > in mind is AVVID. Suppose the implementation was to take place in two > phases: integration of data and IP telephony in phase I, adding video > conferencing in phase II. Suppose also that the design included > several VG200's and the MCS 7800 (either 7825-800 or 7835-1000), also > a switching backbone consisting of 6509 switch with supervisor engine > in module 1 and 48-port IP phone blades in modules 2, 3, etc. Phase I > would use external 2600 routers; in phase II routing would be moved to > the 6509, keeping one or more of the 2600's as backup. > > Is there a standard technique for incorporating AVVID applications > such as this in the logical and/or physical network diagram? I'd > especially like to find a template of the logical components and how > they interact with each other. That might help explain how to select > the hardware and software, and where to locate them in the logical and > physical topologies. > > -- TIA, TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=44246&t=44246 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
"Howard C. Berkowitz" wrote: > I've > always found it a graphic challenge that telephony really has two > communications paths: the control/signaling path for call setup and > the like, and the information transfer path. Amen to that. Way back in the dark ages (early 1990's) I did an FSM analysis of ISDN BRI UNI signaling. The first part of the project was to gather and summarize the CCITT and ANSI diagrams ( http://vedatel.com/Isdn/bri-uni-signaling.pdf ). It was a straightforward exercise to diagram the D-channel signaling (control plane). The only way I could get the data plane (B channels) into the picture was to use a 3-D tool, so I took the easy way out. I refer you to the bottom right-hand corner of the diagram where the B channels are indicated. Talk about minimalism! I think there's a reasonable way to approach this AVVID diagramming. I'll post when I've got a better grasp of the situation (need to follow up on suggestions from Larry and Priscilla). BTW I'd like to cast my vote of confidence and appreciation for your postings to this list. I'm unconcerned about what letters you append or prepend to your name. It's knowledge I'm after and I'm grateful to say that you share it in abundance. -- TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=43158&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
At 9:31 AM -0400 5/1/02, Tom Scott wrote: >Priscilla Oppenheimer wrote: > >> Do you know about the "Cisco IP Telephony Network Design Guide" here: >> >> >http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/index.htm > >Thanks for the reference. Oddly enough, I had it in my bookmarks. For >whatever reason >it didn't get through my knowledge (read "ignorance") filters. l'll pay >attention this >time. > >-- TT I'm not sure, Tom, if this is one of the confusing things, but I've always found it a graphic challenge that telephony really has two communications paths: the control/signaling path for call setup and the like, and the information transfer path. These paths may share the same medium at times, whether copper pair or LAN, but they diverge at some point to Call Manager, SS7, etc. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42990&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
Priscilla Oppenheimer wrote: > Do you know about the "Cisco IP Telephony Network Design Guide" here: > > http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/index.htm Thanks for the reference. Oddly enough, I had it in my bookmarks. For whatever reason it didn't get through my knowledge (read "ignorance") filters. l'll pay attention this time. -- TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42973&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
I've done some of the larger designs and installations of AVVID in the world, and especially North America, so let me know exactly what you need. I'm not badmouthing Cisco, but they config a lot of the AVVID stuff wrong, and they invented it! Cisco is good at data implementations, but it's hard to find a good guy in the field who can give good advice on the configs and HW involved. Basically, the AVVID server components go where any other server goes. VG200's go where ever as well, but keep in mind there are two types, the Vg200 gateway and the Vg200 DSP farm. As for implementing the voice first and video second, keep in mind, once you have a good, solid data infrastructure in place that can handle QoS, the video phase is quite easy. Bandwidth over the WAN may be your biggest issue at that point. ""Tom Scott"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > I'm reading Priscilla's "Top-Down Network Design". I recommend it as a > complement to the Semester 7 BCMSN books. > > Is there a design strategy or methodology that I can use to diagram > application layers into the logical topology? The application I have > in mind is AVVID. Suppose the implementation was to take place in two > phases: integration of data and IP telephony in phase I, adding video > conferencing in phase II. Suppose also that the design included > several VG200's and the MCS 7800 (either 7825-800 or 7835-1000), also > a switching backbone consisting of 6509 switch with supervisor engine > in module 1 and 48-port IP phone blades in modules 2, 3, etc. Phase I > would use external 2600 routers; in phase II routing would be moved to > the 6509, keeping one or more of the 2600's as backup. > > Is there a standard technique for incorporating AVVID applications > such as this in the logical and/or physical network diagram? I'd > especially like to find a template of the logical components and how > they interact with each other. That might help explain how to select > the hardware and software, and where to locate them in the logical and > physical topologies. > > -- TIA, TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42941&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
Do you know about the "Cisco IP Telephony Network Design Guide" here: http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/index.htm It might help. P. At 08:47 PM 4/30/02, Tom Scott wrote: >I'm reading Priscilla's "Top-Down Network Design". I recommend it as a >complement to the Semester 7 BCMSN books. > >Is there a design strategy or methodology that I can use to diagram >application layers into the logical topology? The application I have >in mind is AVVID. Suppose the implementation was to take place in two >phases: integration of data and IP telephony in phase I, adding video >conferencing in phase II. Suppose also that the design included >several VG200's and the MCS 7800 (either 7825-800 or 7835-1000), also >a switching backbone consisting of 6509 switch with supervisor engine >in module 1 and 48-port IP phone blades in modules 2, 3, etc. Phase I >would use external 2600 routers; in phase II routing would be moved to >the 6509, keeping one or more of the 2600's as backup. > >Is there a standard technique for incorporating AVVID applications >such as this in the logical and/or physical network diagram? I'd >especially like to find a template of the logical components and how >they interact with each other. That might help explain how to select >the hardware and software, and where to locate them in the logical and >physical topologies. > >-- TIA, TT Priscilla Oppenheimer http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42938&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: application-oriented network design [7:42933]
Talk to me offline and I'll describe to how all that was done here at cisco.. We have implemented just about everything you mentioned on our campus. Larry Letterman Cisco Systems [EMAIL PROTECTED] - Original Message - From: "Tom Scott" To: Sent: Tuesday, April 30, 2002 5:47 PM Subject: application-oriented network design [7:42933] > I'm reading Priscilla's "Top-Down Network Design". I recommend it as a > complement to the Semester 7 BCMSN books. > > Is there a design strategy or methodology that I can use to diagram > application layers into the logical topology? The application I have > in mind is AVVID. Suppose the implementation was to take place in two > phases: integration of data and IP telephony in phase I, adding video > conferencing in phase II. Suppose also that the design included > several VG200's and the MCS 7800 (either 7825-800 or 7835-1000), also > a switching backbone consisting of 6509 switch with supervisor engine > in module 1 and 48-port IP phone blades in modules 2, 3, etc. Phase I > would use external 2600 routers; in phase II routing would be moved to > the 6509, keeping one or more of the 2600's as backup. > > Is there a standard technique for incorporating AVVID applications > such as this in the logical and/or physical network diagram? I'd > especially like to find a template of the logical components and how > they interact with each other. That might help explain how to select > the hardware and software, and where to locate them in the logical and > physical topologies. > > -- TIA, TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42935&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
application-oriented network design [7:42933]
I'm reading Priscilla's "Top-Down Network Design". I recommend it as a complement to the Semester 7 BCMSN books. Is there a design strategy or methodology that I can use to diagram application layers into the logical topology? The application I have in mind is AVVID. Suppose the implementation was to take place in two phases: integration of data and IP telephony in phase I, adding video conferencing in phase II. Suppose also that the design included several VG200's and the MCS 7800 (either 7825-800 or 7835-1000), also a switching backbone consisting of 6509 switch with supervisor engine in module 1 and 48-port IP phone blades in modules 2, 3, etc. Phase I would use external 2600 routers; in phase II routing would be moved to the 6509, keeping one or more of the 2600's as backup. Is there a standard technique for incorporating AVVID applications such as this in the logical and/or physical network diagram? I'd especially like to find a template of the logical components and how they interact with each other. That might help explain how to select the hardware and software, and where to locate them in the logical and physical topologies. -- TIA, TT Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=42933&t=42933 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
