diff options
Diffstat (limited to 'Documentation/networking/xfrm_sync.txt')
| -rw-r--r-- | Documentation/networking/xfrm_sync.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.txt index d7aac9dedeb4..8d88e0f2ec49 100644 --- a/Documentation/networking/xfrm_sync.txt +++ b/Documentation/networking/xfrm_sync.txt @@ -4,7 +4,7 @@ Krisztian <hidden@balabit.hu> and others and additional patches from Jamal <hadi@cyberus.ca>. The end goal for syncing is to be able to insert attributes + generate -events so that the an SA can be safely moved from one machine to another +events so that the SA can be safely moved from one machine to another for HA purposes. The idea is to synchronize the SA so that the takeover machine can do the processing of the SA as accurate as possible if it has access to it. @@ -13,7 +13,7 @@ We already have the ability to generate SA add/del/upd events. These patches add ability to sync and have accurate lifetime byte (to ensure proper decay of SAs) and replay counters to avoid replay attacks with as minimal loss at failover time. -This way a backup stays as closely uptodate as an active member. +This way a backup stays as closely up-to-date as an active member. Because the above items change for every packet the SA receives, it is possible for a lot of the events to be generated. @@ -163,7 +163,7 @@ If you have an SA that is getting hit by traffic in bursts such that there is a period where the timer threshold expires with no packets seen, then an odd behavior is seen as follows: The first packet arrival after a timer expiry will trigger a timeout -aevent; i.e we dont wait for a timeout period or a packet threshold +event; i.e we don't wait for a timeout period or a packet threshold to be reached. This is done for simplicity and efficiency reasons. -JHS |