Added comments around network resilience

DESIGN

@@ -1,3 +1,5 @@
+palloc defines blobs within a medium
+
 Old blob layout
 
   header
@@ -36,13 +38,16 @@ During GET of a certain key
 Transaction sync idea (part of keveat, not kvsm):
 
   Nodes have predefined connections (--join <ip>:<port> on cli?)
+    To start, just a tcp connection, newline-delimited messages
+    We should maintain a lax approach to syncing data, as udp (future) may lose packets
+      Hint: bittorrent-like request from multiple, packets declare what they are (like, "parents of I are H[]", instead of "response H[]")
 
-  Node (A) requests current head list from node (B) (GET /api/v1/transactions/HEAD/parents)
-    Request for parents of virtual transaction 0/HEAD
-  (B) responds with parents/heads and their height
+  Node A requests current head list from node B
+    Maybe request heads of null for "current" heads?
+  B responds with current heads with their increments
 
   While received heads contain unknown identifiers:
-    (A) requests parent list of identifier I (GET /api/v1/transactions/&lt;I&gt;/parents)
+    (A) requests parent list of identifier I
     (B) responds with I's parent identifiers
     (A) follows unknown parent path until all parents are known for I
     (A) requests contents of I (GET /api/v1/transactions/&lt;I&gt;/contents)
@@ -62,4 +67,4 @@ Compaction:
 
   Iterate every transaction in storage
   Keep transactions with reachable entries
-  Discard transactions with no reachable entries
+  Discard transactions with no reachable entries (update surrounding pointers)