[ntp:questions] Peering recommendation
ulf.norberg at banverket.se
ulf.norberg at banverket.se
Fri Jun 29 09:55:54 UTC 2007
Hi.
I've been searching the net for recommendation about peering and how to
avoid synchronisation loops, but I haven't found anything that answers
my questions.
Almost every time I see a picture about NTP, peering is drawn like my
"case1" below, but I never seen an explenation saying, it must look like
this or you have to do it in a certain way.
Can peering be done as described in my case2 and case3 or should anyone
of them be avoided?
Case1
|-------| |-------| |-------| |-------|
|server1| <---> |server2| <---> |server3| <---> |server4|
|-------| |-------| |-------| |-------|
Case2
|-------| |-------|
|server1| <---> |server2|
|-------| |-------|
^ ^
| |
| |
v v
|-------| |-------|
|server3| <---> |server4|
|-------| |-------|
Case3
|-------| |-------|
|server1| <---> |server2|
|-------|< >|-------|
^ \ / ^
| \ / |
| X |
| / \ |
v / \ v
|-------|< >|-------|
|server3| <---> |server4|
|-------| |-------|
Best regards
Uffe
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