tag:blogger.com,1999:blog-1329449351744515518.post2156196990522585780..comments2023-09-16T01:28:38.178-07:00Comments on Wired n Wireless: LTE Flat Architecture or Insane Architecture?Santosh Dornalhttp://www.blogger.com/profile/08888256274707899999noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-1329449351744515518.post-53925403087030080182009-09-16T07:46:53.008-07:002009-09-16T07:46:53.008-07:00Working on it. A white paper should be out soon!Working on it. A white paper should be out soon!Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-14695885915612296812009-09-16T07:04:11.092-07:002009-09-16T07:04:11.092-07:00In the above architecture diagram we have a view o...In the above architecture diagram we have a view of all the protocols over each interfaces and how each is communicating.Its much informative and organised.It would be interesting if the protocol present in each element is also shown like MME has NAS and how interaction happens with NAS on MME and S-11 and to SGW.Ranjeeta Nathhttps://www.blogger.com/profile/02797402956348179171noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-63215519953398670122009-09-01T21:54:37.969-07:002009-09-01T21:54:37.969-07:00Hi Tom!
Interesting question! My thought is that ...Hi Tom!<br /><br />Interesting question! My thought is that when SGW and PGW are intergrated the functionalities will also be integrated. So in this scenario if SGW has to change then obviously the PDN GW has to change which leads in a IP address change.Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-35779076264961097842009-09-01T11:39:23.636-07:002009-09-01T11:39:23.636-07:00Hi Santosh,
If SGW and PGW are integrated, is the...Hi Santosh,<br /><br />If SGW and PGW are integrated, is the handset forced to get a new IP address on SGW handover? (as a PGW will handle a certain subnet)<br /><br />Thanks for the great blog!Tomnoreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-14475364347976584682009-08-28T03:02:15.144-07:002009-08-28T03:02:15.144-07:00Hi Kostubh,
Verizon has mandated that the UE shoul...Hi Kostubh,<br />Verizon has mandated that the UE should have dual stack. This makes the EPC vendors to go for PMIPv6, so that they can send ipv4 HOA or ipv6 HNP to UE. For the sake of flexibility they want their EPC should support ipv6 as well.Sripada Kameshhttps://www.blogger.com/profile/00445759034700149316noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-73316954517511617562009-08-28T02:54:47.351-07:002009-08-28T02:54:47.351-07:00I am not sure about Verizon but most of the other ...I am not sure about Verizon but most of the other companies are starting the deployment with PMIP over IPv4 and they surely have long term plans to move for PMIP over IPv6 finally.Kostubhnoreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-54698544135856659102009-08-28T02:36:34.632-07:002009-08-28T02:36:34.632-07:00That is basic idea. SGW=MAG and PGW=LMA. But IPv6 ...That is basic idea. SGW=MAG and PGW=LMA. But IPv6 I am not sure and you can be correct. Unfortunately people dont give out these things so its quite tough to predict.Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-88339513401584702692009-08-28T02:33:05.735-07:002009-08-28T02:33:05.735-07:00As far as i know verizon which is planning for nea...As far as i know verizon which is planning for near LTE deployment, is going for PMIPv6 over ipv6 between SGW and PGW. In this case, SGW sould act as MAG and PGW as LMA.Sripada Kameshhttps://www.blogger.com/profile/00445759034700149316noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-58863887623683087922009-08-28T02:26:08.318-07:002009-08-28T02:26:08.318-07:00I will not say that IPv6 is not needed in EPC, but...I will not say that IPv6 is not needed in EPC, but I will say that considering the pace at which LTE is deployed there will not be IPv6 any sooner in EPC. <br /><br />The same applies to PMIP to. Initial deployments will be over IPv4 (trust me on this, my source is solid :-) ). Once we see everything is on IPv6 then we shall also see PMIP running on v6.Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-30925792643818567302009-08-28T02:07:05.932-07:002009-08-28T02:07:05.932-07:00May be u are talking abt the near term effects. Bu...May be u are talking abt the near term effects. But in long run,operators have to concentrate on Pmipv6 over ipv6 only. But for now they can deploy with ipv6 within ipv4. Its not at all a permanent solution.<br /><br />Coming to ur comment, r u saying there is no need of going for ipv6 implementation in EPC..???Sripada Kameshhttps://www.blogger.com/profile/00445759034700149316noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-30781506740179308172009-08-28T00:00:11.106-07:002009-08-28T00:00:11.106-07:00Yes, IPv6 is one thing to look at. But what is the...Yes, IPv6 is one thing to look at. But what is the need for having IPv6 in the core network? A UE may be get an IPv6 address but I dont see a need to completely have EPC on IPv6. Mandating IPv6 is one thing but implementation is another. <br /><br />Look at the S5 interface above where PMIPv6 running. But my guess is vendor will go for PMIPv6 over IPv4 when it comes to deployment.Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-58573197083716994132009-08-27T23:47:18.490-07:002009-08-27T23:47:18.490-07:00Hi Santosh,
I think its time for us to spend time...Hi Santosh,<br /><br />I think its time for us to spend time on discussing about ipv6 also. As most operators are mandating their vendors to support ipv6, its a point to be considered.Sripada Kameshhttps://www.blogger.com/profile/00445759034700149316noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-15289479324507897992009-08-27T06:20:56.148-07:002009-08-27T06:20:56.148-07:00Absolutely true! Only PMIP is the reason why these...Absolutely true! Only PMIP is the reason why these two entities are seperate, else they can be put in one device. Will correct the post. Thanks for pointer.Santosh Dornalhttps://www.blogger.com/profile/08888256274707899999noreply@blogger.comtag:blogger.com,1999:blog-1329449351744515518.post-40851550749078473502009-08-27T06:17:27.140-07:002009-08-27T06:17:27.140-07:00Hi Santosh,
I would like to discuss on your statem...Hi Santosh,<br />I would like to discuss on your statement "we just cannot integrate PGW and SGW into a single entity":<br /><br />I think that we can still make it happen if we use GTP instead of PMIP over S5 interface.<br /><br />Does my thinking correct?<br /><br />- Kostubh SharmaKostubh Sharmanoreply@blogger.com