RE: [ActiveDir] Replication Satellite Links
Two things. First - why is SMTP replication not an option? That seems like needlessly removing the correct answer to the problem. SMTP replication is designed for high latency, low bandwidth links. Second - Have you considered not putting a DC there at all? If it's a small site, it might be worth having them authenticate across the Wan. The more I think about it, that's probably not a great option, however. -- Roger D. Seielstad - MCSE Sr. Systems Administrator Inovis - Formerly Harbinger and Extricity Atlanta, GA -Original Message- From: David Rudolph [mailto:david_rudolph;anadarko.COM] Sent: Thursday, November 14, 2002 5:58 PM To: '[EMAIL PROTECTED]' Subject: [ActiveDir] Replication Satellite Links Our company is considering options for supporting a new branch office location. Connectivity to the office can only be accomplished via a satellite link. I'm aware of the problems of RPC-based replication over high latency links. SMTP-based replication is not an option. The link in question would be 512K. My question is does anybody know the threshold where latency will begin to adversely affect replication? I'd like to be able to tell management that we could live with x latency but nothing more. Thanks in advance. David Rudolph Anadarko Petroleum Corporation List info : http://www.activedir.org/mail_list.htm List FAQ: http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
RE: [ActiveDir] Replication Satellite Links
Title: Message I am guessing you have but just in case. Have you looked for recommendations from the Branch Office Guide? http://www.microsoft.com/technet/treeview/default.asp?url="/technet/prodtechnol/ad/windows2000/deploy/adguide/DEFAULT.asp I have found it pretty helpful. I am interested in the answer to Rogers question as well, why is SMTP not an option? Kevin -Original Message- From: David Rudolph [mailto:[EMAIL PROTECTED]] Sent: Thursday, November 14, 2002 5:58 PM To: '[EMAIL PROTECTED]' Subject: [ActiveDir] Replication Satellite Links Our company is considering options for supporting a new branch office location. Connectivity to the office can only be accomplished via a satellite link. I'm aware of the problems of RPC-based replication over high latency links. SMTP-based replication is not an option. The link in question would be 512K. My question is does anybody know the threshold where latency will begin to adversely affect replication? I'd like to be able to tell management that we could live with x latency but nothing more. Thanks in advance. David Rudolph Anadarko Petroleum Corporation
RE: [ActiveDir] Replication Satellite Links
If you're not going to put a DC there replication is irrelevant. I don't, however, remember what the timeouts for logins are - but they're usually pretty long, IIRC -- Roger D. Seielstad - MCSE Sr. Systems Administrator Inovis - Formerly Harbinger and Extricity Atlanta, GA -Original Message- From: David Rudolph [mailto:david_rudolph;anadarko.COM] Sent: Friday, November 15, 2002 12:58 PM To: '[EMAIL PROTECTED]' Subject: RE: [ActiveDir] Replication Satellite Links Roger, In answer to your first question--SMTP is not desirable because it would necessitate a separate domain. We currently have only 2 domains (one of which is an empty root) and prefer not to add another if at all possible. We've invested a lot of time to clean up our NT domains and don't want to head down the road of multiple domains again. Second- My intention is not to put a DC at the location. The location is fairly small (50). I'd still like to have a better idea of what is acceptable latency in case other options for connectivity become available (i.e., microwave). Dave -Original Message- From: Roger Seielstad [mailto:roger.seielstad;inovis.com] Sent: Friday, November 15, 2002 7:16 AM To: '[EMAIL PROTECTED]' Subject: RE: [ActiveDir] Replication Satellite Links Two things. First - why is SMTP replication not an option? That seems like needlessly removing the correct answer to the problem. SMTP replication is designed for high latency, low bandwidth links. Second - Have you considered not putting a DC there at all? If it's a small site, it might be worth having them authenticate across the Wan. The more I think about it, that's probably not a great option, however. -- Roger D. Seielstad - MCSE Sr. Systems Administrator Inovis - Formerly Harbinger and Extricity Atlanta, GA -Original Message- From: David Rudolph [mailto:david_rudolph;anadarko.COM] Sent: Thursday, November 14, 2002 5:58 PM To: '[EMAIL PROTECTED]' Subject: [ActiveDir] Replication Satellite Links Our company is considering options for supporting a new branch office location. Connectivity to the office can only be accomplished via a satellite link. I'm aware of the problems of RPC-based replication over high latency links. SMTP-based replication is not an option. The link in question would be 512K. My question is does anybody know the threshold where latency will begin to adversely affect replication? I'd like to be able to tell management that we could live with x latency but nothing more. Thanks in advance. David Rudolph Anadarko Petroleum Corporation List info : http://www.activedir.org/mail_list.htm List FAQ: http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ: http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir% 40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ: http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
RE: [ActiveDir] Replication Satellite Links
Title: Message I had 240 branches over 256K and latency was around 45 minutes...But I did have replication at every 30 minutes over the 256K links. When we started we were at 2hrs for replication and that was not a good scenario. -Original Message-From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of David RudolphSent: Thursday, November 14, 2002 4:58 PMTo: '[EMAIL PROTECTED]'Subject: [ActiveDir] Replication Satellite Links Our company is considering options for supporting a new branch office location. Connectivity to the office can only be accomplished via a satellite link. I'm aware of the problems of RPC-based replication over high latency links. SMTP-based replication is not an option. The link in question would be 512K. My question is does anybody know the threshold where latency will begin to adversely affect replication? I'd like to be able to tell management that we could live with x latency but nothing more. Thanks in advance. David Rudolph Anadarko Petroleum Corporation
