I think the experience of that first year of parenting is very different for different people, and depends a lot on your baby. Our first was a super non-sleeper, so we were really sleep deprived, but we still did a lot of things with her. You're going to have an infant at home or an infant abroad, so the question is just if things are systematically harder abroad. Which again, depends on the situation but doesn't seem to be the case for your trip.
We've done a decent amount of travel with our kids, including camping when they were young infants, Spain and Morocco with a 15 month old and Cuba with an 11 month old. I totally agree with
@Freedomin5, a lot depends on your style of travel and how hard you make it. Traveling light and minimizing the baby-specific gear goes a long way toward making things easier. In Spain and Morocco we didn't bring a stroller at all, just a baby carrier, and it worked out fine. Cuba we brought a travel stroller and it was more useful for the 3 year old than the 11 month old.
At six months, you'll be introducing solid foods, but they don't eat much at that age and we did baby-led weaning so we fed them chunks of real food rather than pureed baby food. And if you want to feed pureed food it should be readily available.
For car seats, it depends a lot on the country and the situation. In Spain we avoided taxis and just took public transit. In Morocco we arrived after the airport bus had stopped running, so we took a cab and held her in our lap. Cuba was...well Cuba was interesting. We didn't bring a car seat and held him in our laps because seat belts are rare in Cuban cabs, especially the old classic cars. But we chose to take a long distance bus over a taxi when we had one long highway trip, because buses are generally safer without car seats than cars. In Vienna with a six month old, I'd use a infant car seat and no base - just use the seat belt to install in taxis, and use public transit most of the time.
The other thing I'd consider is the timing of well visits and vaccines. Ideally you'll get baby their 6 month vaccines before traveling, and then you don't have to worry about vaccines again until the 12 month visit. But if the timing doesn't work out, talk to your pediatrician and they can figure something out.
Finally, see if you can make some local connections and find a babysitter to get some alone time with your spouse and explore things that aren't baby friendly. Parenting is sort of an "always on" proposition, and it's nice to have a break once in a while.